Active-matrix-type liquid crystal display panel and method of inspecting the same

An active-matrix-type liquid crystal display panel comprising:

• an active matrix substrate including on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate including a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• data-line inspection-use switching elements, individually connected to the plurality of data lines, for controlling a supply of an inspection-use display signal;
• a data-line inspection-use control signal line for inputting control signals for switching on/off the data-line inspection-use switching elements, the data-line inspection-use control signal line being a common data-line inspection-use control signal line provided for the data-line inspection-use switching elements;
• and
• a plurality of inspection-use display signal lines for supplying inspection-use display signals to the data lines through the data-line inspection-use switching elements, the plurality of inspection-use display signal lines being provided for the data-line inspection-use switching elements so that different display signals are inputted to adjacent data lines.

The active-matrix-type liquid crystal display panel as set forth in claim.1, further comprising:

• scanning-line inspection-use switching elements, individually connected to the plurality of scanning lines, for controlling a supply of an inspection-use scanning signal;
• a scanning-line inspection-use control signal line for inputting control signals for switching on/off the scanning-line inspection-use switching elements, the scanning-line inspection-use control signal line being provided for the scanning-line inspection-use switching elements connected to the scanning lines;
• and
• an inspection-use scanning signal line for supplying an inspection-use scanning signal to the scanning lines through the scanning-line inspection-use switching elements, the inspection-use scanning signal line, being provided for the scanning-line inspection-use switching elements connected to the scanning lines.

An active-matrix-type liquid crystal display panel comprising:

• an active matrix substrate including on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate including a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• data-line inspection-use switching elements, individually connected to the plurality of data lines, for controlling a supply of an inspection-use display signal;
• an inspection-use display signal line, provided for the data-line inspection-use switching elements, for supplying an inspection-use display signal to the data lines through the data-line inspection-use switching elements;
• and
• a data-line inspection-use control signal line, provided for the data-line inspection-use switching elements, for inputting control signals for switching on/off the data-line inspection-use switching elements;
• wherein a voltage for switching off the data-line inspection-use switching elements is applied to the data-line inspection-use control signal line while the liquid crystal display panel is driven.

An active-matrix-type liquid crystal display panel comprising:

• an active matrix substrate including on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate including a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• scanning-line inspection-use switching elements, individually connected to the plurality of scanning lines, for controlling a supply of an inspection-use scanning signal;
• an inspection-use scanning signal line, provided for the scanning-line inspection-use switching elements, for supplying an inspection-use scanning signal to the scanning lines through the scanning-line inspection-use switching elements;
• and
• a scanning-line inspection-use control signal line, provided for the scanning-line inspection-use switching elements, for inputting control signals for switching on/off the scanning-line inspection-use switching elements;
• wherein a voltage for switching off the scanning-line inspection-use switching elements is applied to the scanning-line inspection-use control signal line while the liquid crystal display panel is driven.

An active-matrix-type liquid crystal display panel comprising:

• an active matrix substrate including on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate including a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• data-line inspection-use switching elements, individually connected to the plurality of data lines, for controlling a supply of an inspection-use display signal;
• an inspection-use display signal line, provided for the data-line inspection-use switching elements, for supplying an inspection-use display signal to the data lines through the data-line inspection-use switching elements;
• a data-line inspection-use control signal line, provided for the data-line inspection-use switching elements, for inputting control signals for switching on/off the data-line inspection-use switching elements;
• and
• a resistive element between a signal input point of the data-line inspection-use control signal line and the data-line inspection-use switching elements.

An active-matrix-type liquid crystal display panel comprising:

• an active matrix substrate including on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate including a common electrode, the, opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• scanning-line inspection-use switching elements, individually connected to the plurality of scanning lines, for controlling a supply of an inspection-use scanning signal;
• an inspection-use scanning signal line, provided for the scanning-line inspection-use switching elements, for supplying an inspection-use scanning signal to the scanning lines through the scanning-line inspection-use switching elements;
• a scanning-line inspection-use control signal line, provided for the scanning-line inspection-use switching elements, for inputting control signals for switching on/off the scanning-line inspection-use switching elements;
• and
• a resistive element between a signal input point of the scanning-line inspection-use control signal line and the scanning-line inspection-use switching elements.

An active-matrix-type liquid crystal display panel comprising:

• an active matrix substrate including on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate including a common electrode, the opposing substrate being adhered to the active, matrix substrate with a liquid crystal layer therebetween;
• data-line inspection-use switching elements for controlling a supply of an inspection-use display signal, the data-line inspection-use switching elements being individually connected to the plurality of data lines and provided on a side opposite to a region where an external circuit for driving the data lines is provided;
• an inspection-use display signal line, provided for the data-line inspection-use switching elements, for supplying an inspection-use display signal to the data lines through the data-line inspection-use switching elements;
• and
• a data-line inspection-use control signal line, provided for the data-line inspection-use switching elements, for inputting control signals for switching on/off the data-line inspection-use switching elements.

An active-matrix-type liquid crystal display panel comprising:

• an active matrix substrate including on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate including a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• scanning-line inspection-use switching elements for controlling a supply of an inspection-use scanning signal, the scanning-line inspection-use switching elements being individually connected to the plurality of scanning lines and provided on a side opposite to a region where an external circuit for driving the scanning lines is provided;
• an inspection-use scanning signal line, provided for the scanning-line inspection-use switching elements, for supplying an inspection-use scanning signal to the scanning lines through the scanning-line inspection-use switching elements;
• and
• a scanning-line inspection-use control signal line, provided for the scanning-line inspection-use switching elements, for inputting control signals for switching on/off the scanning-line inspection-use switching elements.

An active-matrix-type liquid crystal display panel comprising:

• an active matrix substrate including on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate including a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• data-line inspection-use switching elements for controlling a supply of an inspection-use display signal, the data-line inspection-use switching elements being shaded and individually connected to the plurality of data lines;
• an inspection-use display signal line, provided for the data-line inspection-use switching elements, for supplying an inspection-use display signal to the data lines through the data-line inspection-use switching elements;
• and
• a data-line inspection-use control signal line, provided for the data-line inspection-use switching elements, for inputting control signals for switching on/off the data-line inspection-use switching elements.

An active-matrix-type liquid crystal display panel comprising:

• an active matrix substrate including on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate including a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• scanning-line inspection-use switching elements for controlling a supply of an inspection-use scanning signal, the scanning-line inspection-use switching elements being shaded and individually connected to the plurality of scanning lines;
• an inspection-use scanning signal line, provided for the scanning-line inspection-use switching elements, for supplying an inspection-use scanning signal to the scanning lines through the scanning-line inspection-use switching elements;
• and
• a scanning-line inspection-use control signal line, provided for the scanning-line inspection-use switching elements, for inputting control signals for switching on/off the scanning-line inspection-use switching elements.

An active-matrix-type liquid crystal display panel comprising:

• an active matrix substrate including on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate including a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• data-line inspection-use switching elements for controlling a supply of an inspection-use display signal, the data-line inspection-use switching elements being individually connected to the plurality of data lines, and being subjected to a treatment for positively shifting a threshold value thereof after inspecting the liquid crystal display panel, so that the threshold value is set higher than a threshold value of the pixel switching element when the liquid crystal display panel is driven;
• an inspection-use display signal line, provided for the data-line inspection-use switching elements, for supplying an inspection-use display signal to the data lines through the data-line inspection-use switching elements;
• and
• a data-line inspection-use control signal line, provided for the data-line inspection-use switching elements, for inputting control signals for switching on/off the data-line inspection-use switching elements.

An active-matrix-type liquid crystal display panel comprising:

• an active matrix substrate including on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate including a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• scanning-line inspection-use switching elements, for controlling a supply of an inspection-use scanning signal, the scanning-line inspection-use switching elements being individually connected to the plurality of scanning lines, and being subjected to a treatment for positively shifting a threshold value thereof after inspecting the liquid crystal display panel, so that the threshold value is set higher than a threshold value of the pixel switching element when the liquid crystal display panel is driven;
• an inspection-use scanning signal line, provided for the scanning-line inspection-use switching elements, for supplying an inspection-use scanning signal to the scanning lines through the scanning-line inspection-use switching elements;
• and
• a scanning-line inspection-use control signal line, provided for the scanning-line inspection-use switching elements, for inputting control signals for switching on/off the scanning-line inspection-use switching elements.

An active-matrix-type liquid crystal display panel comprising:

• an active matrix substrate including on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate including a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• a plurality of inspection-use display signal lines for supplying inspection-use display signals, the plurality of inspection-use display signal lines being provided for the plurality of data lines so that different display signals are inputted to adjacent data lines;
• and
• a resistive element provided between the adjacent data lines;
• wherein R<(rd/8)/(n/k) is satisfied where rd is a resistance value of each resistive element, n is a number of the data lines, k is a number of the inspection-use display signal lines, and R is a resistance value of the inspection-use display signal lines.

An active-matrix-type liquid crystal display panel comprising:

• an active matrix substrate including on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate including a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• a plurality of inspection-use scanning signal lines for supplying an inspection-use scanning signal, the plurality of inspection-use scanning signal lines being provided for the plurality of scanning lines so that different scanning signals are inputted to adjacent scanning lines;
• and
• a resistive element provided between the adjacent scanning lines;
• wherein R<(rd/8)/(n/k) is satisfied where rd is a resistance value of each resistive element, n is a number of the scanning lines, k is a number of the inspection-use scanning signal lines, and R is a resistance value of the inspection-use scanning signal lines.

An active-matrix-type liquid crystal display panel comprising:

• an active matrix substrate including on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate including a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• data-line inspection-use switching elements, individually connected to the plurality of data lines, for controlling a supply of an inspection-use display signal;
• a data-line inspection-use control signal line for inputting control signals for switching on/off the data-line inspection-use switching elements, the data-line inspection-use control signal line being a common data-line inspection-use control signal line provided for the data-line inspection-use switching elements;
• a plurality of inspection-use display signal lines for supplying inspection-use display signals to the data lines through the data-line inspection-use switching elements, the plurality of inspection-use display signal lines being provided for the data-line inspection-use switching elements so that different display signals are inputted to adjacent data lines;
• and
• a resistive element provided between adjacent data lines;
• wherein R<(rd/8−2rtr)/(n/k) is satisfied where rd is a resistance value of each resistive element, rtr is a resistance value of each data-line inspection-use switching element, n is a number of the data lines, k is a number of the inspection-use display signal lines, and R is a resistance value of the inspection-use display signal lines.

An active-matrix-type liquid crystal display panel comprising:

• an active matrix substrate including on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate including a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• scanning-line inspection-use switching elements, individually connected to the plurality of scanning lines, for controlling a supply of an inspection-use scanning signal;
• a scanning-line inspection-use control signal line for inputting control signals for switching on/off the scanning-line inspection-use switching elements, the scanning-line inspection-use control signal line being a common scanning-line inspection-use control signal line provided for the scanning-line inspection-use switching elements;
• a plurality of inspection-use scanning signal lines for supplying inspection-use scanning signals to the scanning lines through the scanning-line inspection-use switching elements, the plurality of inspection-use scanning signal line being provided for the scanning-line inspection-use switching elements so that different scanning signals are inputted to adjacent scanning lines;
• and
• a resistive element provided between the adjacent scanning lines;
• wherein R<(rd/8−2rtr)/(n/k) is satisfied where rd is a resistance value of each resistive element, rtr is a resistance value of each scanning-line inspection-use switching element, n is a number of the scanning lines, k is a number of the inspection-use scanning signal lines, and R is a resistance value of the inspection-use scanning signal lines.

An active-matrix-type liquid crystal display panel comprising:

• an active matrix substrate including on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate including a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• a plurality of inspection-use display signal lines for supplying inspection-use display signals, the plurality of inspection-use display signal lines being provided for the plurality of data lines so that different display signals are inputted to adjacent data lines;
• and
• a resistive element provided between data lines connected to a same inspection-use display signal line.

An active-matrix-type liquid crystal display panel comprising:

• an active matrix substrate including on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate including a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• a plurality of inspection-use scanning signal lines for supplying inspection-use scanning signals, the plurality of inspection-use scanning signal lines being provided for the plurality of scanning lines so that different scanning signals are inputted to adjacent scanning lines;
• and
• a resistive element provided between scanning lines connected to a same inspection-use scanning signal line.

An active-matrix-type liquid crystal display panel comprising:

• an active matrix substrate including on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate including a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• data-line inspection-use switching elements, individually connected to the plurality of data lines, for controlling a supply of an inspection-use display signal;
• a data-line inspection-use control signal line for inputting control signals for switching on/off the data-line inspection-use switching elements, the data-line inspection-use control signal line being a common data-line inspection-use control signal line provided for the data-line inspection-use switching elements;
• a plurality of inspection-use display signal lines for supplying inspection-use display signals to the data lines through the data-line inspection-use switching elements, the plurality of inspection-use display signal lines being provided for the data-line inspection-use switching elements so that different display signals are inputted to adjacent data lines;
• and
• a resistive element provided between data lines connected to a same inspection-use display signal line through the data-line inspection-use switching elements.

An active-matrix-type liquid crystal display panel comprising:

• an active matrix substrate including on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate including a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• scanning-line inspection-use switching elements, individually connected to the plurality of scanning lines, for controlling a supply of an inspection-use scanning signal;
• a scanning-line inspection-use control signal line for inputting control signals for switching on/off the scanning-line inspection-use switching elements, the scanning-line inspection-use control signal line being a common scanning-line inspection-use control signal line provided for the scanning-line inspection-use switching elements;
• a plurality of inspection-use scanning signal lines for supplying inspection-use scanning signals to the scanning lines through the scanning-line inspection-use switching elements, the plurality of inspection-use scanning signal line being provided for the scanning-line inspection-use switching elements so that different scanning signals are inputted to adjacent scanning lines;
• and
• a resistive element provided between scanning lines connected to a same inspection-use scanning signal line through the scanning-line inspection-use switching elements.

A method of inspecting an active-matrix-type liquid crystal display panel including:

• an active matrix substrate having on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate having a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• data-line inspection-use switching elements, individually connected to the plurality of data lines, for controlling a supply of an inspection-use display signal;
• an inspection-use display signal line for supplying an inspection-use display signal to the data lines through the data-line inspection-use switching elements, the inspection-use display signal line being a common inspection-use display signal line provided for the data-line inspection-use switching elements;
• and
• a plurality of data-line inspection-use control signal lines for inputting control signals for switching on/off the data-line inspection-use switching elements, the plurality of data-line inspection-use control signal lines being provided for the data-line inspection-use switching elements so that different control signals are inputted to adjacent data lines, the plurality of data-line inspection-use control signal lines being connected to the data lines through the data-line inspection-use switching elements in correspondence with a plurality of display colors of pixels;
• the method comprising the step of displaying colors by sequentially switching control signals supplied to the plurality of data-line inspection-use control signal lines, while supplying the inspection-use display signal to the inspection-use display signal line.

A method of inspecting an active-matrix-type liquid crystal display panel including:

• an active matrix substrate having on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate having a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• data-line inspection-use switching elements, individually connected to the plurality of data lines, for controlling a supply of an inspection-use display signal;
• a data-line inspection-use control signal line for inputting control signals for switching on/off the data-line inspection-use switching elements, the data-line inspection-use control signal line being a common data-line inspection-use control signal line provided for the data-line inspection-use switching elements;
• and
• a plurality of inspection-use display signal lines for supplying inspection-use display signals to the data lines through the data-line inspection-use switching elements, the plurality of inspection-use display signal lines being provided for the data-line inspection-use switching elements so that different display signals are inputted to adjacent data lines, the plurality of inspection-use display signal lines being connected to the data lines through the data-line inspection-use switching elements in correspondence with a plurality of display colors of pixels;
• the method comprising the step of displaying colors by sequentially switching the inspection-use display signals supplied to the plurality of inspection-use display signal lines, while supplying the control signals to the data-line inspection-use control signal line.

A method of inspecting an active-matrix-type liquid crystal display panel including:

• an active matrix substrate having on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate having a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• data-line inspection-use switching elements, individually connected to the plurality of data lines, for controlling a supply of an inspection-use display signal;
• an inspection-use display signal line for supplying an inspection-use display signal to the data lines through the data-line inspection-use switching elements, the inspection-use display signal line being a common inspection-use display signal line provided for the data-line inspection-use switching elements;
• and
• a plurality of data-line inspection-use control signal lines for inputting control signals for switching on/off the data-line inspection-use switching elements, the plurality of data-line inspection-use control signal lines being provided for the data-line inspection-use switching elements so that different control signals are inputted to adjacent data lines;
• scanning-line inspection-use switching elements, individually connected to the plurality of scanning lines, for controlling a supply of inspection-use scanning signals;
• a scanning-line inspection-use control signal line for inputting control signals for switching on/off the scanning-line inspection-use switching elements, the scanning-line inspection-use control signal line being a common scanning-line inspection-use control signal line provided for the scanning-line inspection-use switching elements;
• and
• a plurality of inspection-use scanning signal lines for supplying inspection-use scanning signals to the scanning lines through the scanning-line inspection-use switching elements, the plurality of inspection-use scanning signal lines being provided for the scanning-line inspection-use switching elements so that different scanning signals are inputted to adjacent scanning lines;
• the method comprising the step of sequentially switching the control signals supplied to the data-line inspection-use control signal lines and the scanning-line inspection-use control signal line, while measuring an electric resistance between the inspection-use display signal line and any of the inspection-use scanning signal lines and an input terminal for inputting a signal to the opposing substrate.

A method of inspecting an active-matrix-type liquid crystal display panel including:

• an active matrix substrate having on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate having a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• data-line inspection-use switching elements, individually connected to the plurality of data lines, for controlling a supply of inspection-use display signals;
• a data-line inspection-use control signal line for inputting control signals for switching on/off the data-line inspection-use switching elements, the data-line inspection-use control signal line being a common data-line inspection-use control signal line provided for the data-line inspection-use switching elements;
• a plurality of inspection-use display signal lines for supplying inspection-use display signals to the data lines through the data-line inspection-use switching elements, the plurality of inspection-use display signal lines being provided for the data-line inspection-use switching elements so that different display signals are inputted to adjacent data lines;
• scanning-line inspection-use switching elements, individually connected to the plurality of scanning lines, for controlling a supply of inspection-use scanning signals;
• a scanning-line inspection-use control signal line for inputting control signals for switching on/off the scanning-line inspection-use switching elements, the scanning-line inspection-use control signal line being a common scanning-line inspection-use control signal line provided for the scanning-line inspection-use switching elements;
• and
• a plurality of inspection-use scanning signal lines for supplying inspection-use scanning signals to the scanning lines through the scanning-line inspection-use switching elements, the plurality of inspection-use scanning signal lines being provided for the scanning-line inspection-use switching elements so that different scanning signals are inputted to adjacent scanning lines;
• the method comprising the step of sequentially switching the control signals supplied to the data-line inspection-use control signal line and the scanning-line inspection-use control signal line, while measuring an electric resistance between the inspection-use display signal lines and any of the inspection-use scanning signal lines and an input terminal for inputting a signal to the opposing substrate.

A method of inspecting an active-matrix-type liquid crystal display panel including:

• an active matrix substrate having on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate having a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• data-line inspection-use switching elements, individually connected to the plurality of data lines, for controlling a supply of an inspection-use display signal;
• a data-line inspection-use control signal line for inputting control signals for switching on/off the data-line inspection-use switching elements, the data-line inspection-use control signal line being a common data-line inspection-use control signal line provided for the data-line inspection-use switching elements;
• a plurality of inspection-use display signal lines for supplying inspection-use display signals to the data lines through the data-line inspection-use switching elements, the plurality of inspection-use display signal lines being provided for the data-line inspection-use switching elements so that different display signals are inputted to adjacent data lines;
• scanning-line inspection-use switching elements, individually connected to the plurality of scanning lines, for controlling a supply of an inspection-use scanning signal;
• a scanning-line inspection-use control signal line for inputting control signals for switching on/off the scanning-line inspection-use switching elements, the scanning-line inspection-use control signal line being provided for the scanning-line inspection-use switching elements connected to the scanning lines;
• and
• a plurality of inspection-use scanning signal lines for supplying an inspection-use scanning signal to the scanning lines through the scanning-line inspection-use switching elements, the plurality of inspection-use scanning signal lines being provided for the scanning-line inspection-use switching elements connected to the scanning lines so that different scanning signals are inputted to adjacent scanning lines;
• the method comprising the step of measuring an electric resistance between the plurality of inspection-use display signal lines, and between the plurality of inspection-use scanning signal lines, and/or between any two kinds of wiring of the inspection-use display signal lines, the inspection-use scanning signal line, and the common electrode, while supplying the control signals for switching on the data-line inspection-use switching elements and the scanning-line inspection-use switching elements to the data-line inspection-use control signal line and the scanning-line inspection-use control signal line, respectively.

A method of inspecting an active-matrix-type liquid crystal display panel including:

• an active matrix substrate having on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate having a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• data-line inspection-use switching elements, individually connected to the plurality of data lines, for controlling a supply of an inspection-use display signal;
• a data-line inspection-use control signal line for inputting control signals for switching on/off the data-line inspection-use switching elements, the data-line inspection-use control signal line being a common data-line inspection-use control signal line provided for the data-line inspection-use switching elements;
• a plurality of inspection-use display signal lines for supplying inspection-use display signals to the data lines through the data-line inspection-use switching elements, the plurality of inspection-use display signal lines being provided for the data-line inspection-use switching elements so that different display signals are inputted to adjacent data lines;
• scanning-line inspection-use switching elements, individually connected to the plurality of scanning lines, for controlling a supply of an inspection-use scanning signal;
• a scanning-line inspection-use control signal line for inputting control signals for switching on/off the scanning-line inspection-use switching elements, the scanning-line inspection-use control signal line being provided for the scanning-line inspection-use switching elements connected to the scanning lines;
• an inspection-use scanning signal line for supplying an inspection-use scanning signal to the scanning lines through the scanning-line inspection-use switching elements, the inspection-use scanning signal line being provided for the scanning-line inspection-use switching elements connected to the scanning lines;
• and
• auxiliary capacity wiring provided between adjacent scanning lines in parallel with the scanning lines;
• the method comprising the step of measuring an electric resistance between the plurality of inspection-use display signal lines, and/or between any two kinds of wiring of the inspection-use display signal line, the inspection-use scanning signal line, the common electrode and the auxiliary capacity wiring, while supplying the control signals for switching on the data-line inspection-use switching elements and the scanning-line inspection-use switching elements to the data-line inspection-use control signal line and the scanning-line inspection-use control signal line, respectively.

A method of inspecting an active-matrix-type liquid crystal display panel including:

• an active matrix substrate having on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate having a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• data-line inspection-use switching elements, individually connected to the plurality of data lines, for controlling a supply of an inspection-use display signal;
• an inspection-use display signal line, provided for the data-line inspection-use switching elements, for supplying an inspection-use display signal to the data lines through the data-line inspection-use switching elements;
• and
• a data-line inspection-use control signal line, provided for the data-line inspection-use switching elements, for inputting control signals for switching on/off the data-line inspection-use switching elements;
• the method comprising the step of inspecting the liquid crystal display panel while applying light to the data-line inspection-use switching elements.

A method of inspecting an active-matrix-type liquid crystal display panel including:

• an active matrix substrate having on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate having a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• scanning-line inspection-use switching elements, individually connected to the plurality of scanning lines, for controlling a supply of an inspection-use scanning signal;
• an inspection-use scanning signal line, provided for the scanning-line inspection-use switching elements, for supplying an inspection-use scanning signal to the scanning lines through the scanning-line inspection-use switching elements;
• and
• a scanning-line inspection-use control signal line, provided for the scanning-line inspection-use switching elements, for inputting control signals for switching on/off the scanning-line inspection-use switching elements;
• the method comprising the step of inspecting the liquid crystal display panel while applying light to the scanning-line inspection-use switching elements.

A method of inspecting an active-matrix-type liquid crystal display panel including:

• an active matrix substrate having on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate having a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• data-line inspection-use switching elements, individually connected to the plurality of data lines, for controlling a supply of an inspection-use display signal;
• an inspection-use display signal line, provided for the data-line inspection-use switching elements, for supplying an inspection-use display signal to the data lines through the data-line inspection-use switching elements;
• a data-line inspection-use control signal line, provided for the data-line inspection-use switching elements, for inputting control signals for switching on/off the data-line inspection-use switching elements, the data-line inspection-use control signal line and the inspection-use display signal line having input terminals, the input terminals and an input terminal for inputting a signal to the common electrode in inspecting the liquid crystal display panel being located on a single side or opposing two sides of the active matrix substrate;
• the method comprising the step of inspecting a mother substrate by attaching an inspection-use jig thereto before dividing the mother substrate into a plurality of active-matrix-type liquid crystal display panels, the mother substrate having the plurality of active-matrix-type liquid crystal display panels arranged in rows so that the input terminals of the plurality of the active-matrix-type liquid crystal display panels are aligned in a direction of the side where the input terminals are located.

A method of an active-matrix-type liquid crystal display panel including:

• an active matrix substrate having on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate having a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• scanning-line inspection-use switching elements, individually connected to the plurality of scanning lines, for controlling a supply of an inspection-use scanning signal;
• an inspection-use scanning signal line, provided for the scanning-line inspection-use switching elements, for supplying an inspection-use scanning signal to the scanning lines through the scanning-line inspection-use switching elements;
• and
• a scanning-line inspection-use control signal line, provided for the scanning-line inspection-use switching elements, for inputting control signals for switching on/off the scanning-line inspection-use switching elements, the scanning-line inspection-use control signal line and the inspection-use scanning signal line having input terminals, the input terminals and an input terminal for inputting a signal to the common electrode in inspecting the liquid crystal display panel being located on a single side or opposing two sides of the active matrix substrate;
• the method comprising the step of inspecting a mother substrate by attaching an inspection-use jig thereto before dividing the mother substrate into a plurality of active-matrix-type liquid crystal display panels, the mother substrate having the plurality of active-matrix-type liquid crystal display panels arranged in rows so that the input terminals of the plurality of the active-matrix-type liquid crystal display panels are aligned in a direction of the side where the input terminals are located.

A method of inspecting an active-matrix-type liquid crystal display panel including:

• an active matrix substrate having on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate having a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• data-line inspection-use switching elements, individually connected to the plurality of data lines, for controlling a supply of an inspection-use display signal;
• scanning-line inspection-use switching elements, individually connected to the plurality of scanning lines, for controlling a supply of an inspection-use scanning signal;
• an inspection-use display signal line, provided for the data-line inspection-use switching elements, for supplying an inspection-use display signal to the data lines through the data-line inspection-use switching elements;
• and
• a data-line inspection-use control signal line, provided for the data-line inspection-use switching elements, for inputting control signals for switching on/off the data-line inspection-use switching elements;
• an inspection-use scanning signal line, provided for the scanning-line inspection-use switching elements, for supplying an inspection-use scanning signal to the scanning lines through the scanning-line inspection-use switching elements;
• and
• a scanning-line inspection-use control signal line, provided for the scanning-line inspection-use switching elements, for inputting control signals for switching on/off the scanning-line inspection-use switching elements, the data-line inspection-use control signal line, the scanning-line inspection-use control signal line, the inspection-use display signal line, and the inspection-use scanning signal line having input terminals, the input terminals and an input terminal for inputting a signal to the common electrode in inspecting the liquid crystal display panel being located on a single side or opposing two sides of the active matrix substrate;
• the method comprising the step of inspecting a mother substrate by attaching an inspection-use jig thereto before dividing the mother substrate into a plurality of active-matrix-type liquid crystal display panels, the mother substrate having the plurality of active-matrix-type liquid crystal display panels arranged in rows so that the input terminals of the plurality of the active-matrix-type liquid crystal display panels are aligned in a direction of the side where the input terminals are located.

A method of inspecting an active-matrix-type liquid crystal display panel by attaching an inspection-use jig to a mother substrate having a plurality of the active-matrix-type liquid crystal display panels arranged in rows, before dividing the mother substrate into individual pieces of the active-matrix-type liquid crystal display panels, each of the active-matrix-type liquid crystal display panels including:

• an active matrix substrate having on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate having a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• data-line inspection-use switching elements, individually connected to the plurality of data lines, for controlling a supply of an inspection-use display signal;
• an inspection-use display signal line, provided for the data-line inspection-use switching elements, for supplying an inspection-use display signal to the data lines through the data-line inspection-use switching elements;
• and
• a data-line inspection-use control signal line, provided for the data-line inspection-use switching elements, for inputting control signals for switching on/off the data-line inspection-use switching elements,
• wherein, on the mother substrate, inspection-use wiring of a same kind in adjacent liquid crystal display panels are electrically connected to each other, and input terminals of the data-line inspection-use control signal line and the inspection-use display signal line and an input terminal for inputting a signal to the common electrode in inspecting the liquid crystal display panel are formed in an end section of the mother substrate with regard to a direction the liquid crystal display panels are connected, the end section belonging to none of the liquid crystal display panels.

A method of inspecting an active-matrix-type liquid crystal display panel by attaching an inspection-use jig to a mother substrate having a plurality of the active-matrix-type liquid crystal display panels arranged in rows, before dividing the mother substrate into individual pieces of active-matrix-type liquid crystal display panels, each of the active-matrix-type liquid crystal display panels including:

• an active matrix substrate having on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate having a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• scanning-line inspection-use switching elements, individually connected to the plurality of scanning lines, for controlling a supply of an inspection-use scanning signal;
• an inspection-use scanning signal line, provided for the scanning-line inspection-use switching elements, for supplying an inspection-use scanning signal to the scanning lines through the scanning-line inspection-use switching elements;
• and
• a scanning-line inspection-use control signal line, provided for the scanning-line inspection-use switching elements, for inputting control signals for switching on/off the scanning-line inspection-use switching elements;
• wherein, on the mother substrate, inspection-use wiring of a same kind in adjacent liquid crystal display panels are electrically connected to each other, and input terminals of the scanning-line inspection-use control signal line and the inspection-use scanning signal line and an input terminal for inputting a signal to the common electrode in inspecting the liquid crystal display panel are formed in an end section of the mother substrate with regard to a direction the liquid crystal display panels are connected, the end section belonging to none of the liquid crystal display panels.

A method of inspecting an active-matrix-type liquid crystal display panel by attaching an inspection-use jig to a mother substrate having a plurality of the active-matrix-type liquid crystal display panels arranged in rows, before dividing the mother substrate into individual pieces of active-matrix-type liquid crystal display panels, each of the active-matrix-type liquid crystal display panels including:

• an active matrix substrate having on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate having a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• and
• an inspection-use display signal line, provided for the plurality of data lines, for supplying an inspection-use display signal, wherein, on the mother substrate, a plurality of the active-matrix-type liquid crystal display panels are arranged in a direction of the data line, and a plurality of data lines in each liquid crystal display panel are connected to an inspection-use display signal line thereof via a region of an adjacent liquid crystal display panel.

A method of inspecting an active-matrix-type liquid crystal display panel by attaching an inspection-use jig to a mother substrate having a plurality of the active-matrix-type liquid crystal display panels arranged in rows, before dividing the mother substrate into individual pieces of active-matrix-type liquid crystal display panels, each of the active-matrix-type liquid crystal display panels including:

• an active matrix substrate having on an insulating substrate:
• a plurality of pixel electrodes;
• pixel switching elements individually connected to the pixel electrodes;
• and a plurality of scanning lines and a plurality of data lines, provided in a lattice form, for driving the pixel electrodes through the pixel switching elements;
• an opposing substrate having a common electrode, the opposing substrate being adhered to the active matrix substrate with a liquid crystal layer therebetween;
• and
• an inspection-use scanning display signal line, provided for the plurality of scanning lines, for supplying an inspection-use scanning signal;
• wherein, on the mother substrate, a plurality of the active-matrix-type liquid crystal display panels are arranged in a direction of the scanning line, and a plurality of scanning lines in each liquid crystal display panel are connected to an inspection-use scanning signal line thereof via a region of an adjacent liquid crystal display panel.