Liquid crystal display device, and drive method for liquid crystal display device
AssigneeSakai Display Products Corporation
InventorsKentaro IRIE, Masae KITAYAMA, Nobuyoshi NAGASHIMA
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Abstract
A liquid-crystal display apparatus and a method for driving liquid-crystal display apparatus are provided. Pixels arrayed in a form of a matrix are each defined so as to include an electrode pair consisting of a pixel electrode and a counter electrode facing one another via a liquid-crystal layer, and a scan signal is applied, from a scan-signal line for each line, to a control electrode of a TFT for applying a data signal to the pixel electrode included in the pixel. A signal to be raised when the scan signal for each line falls is applied to a signal line arranged between a pixel in each line and a pixel adjacent to the pixel at one side in the line direction.
Claims5
A liquid-crystal display apparatus comprising:
- pixels each defined so as to include an electrode pair consisting of a pixel electrode and a counter electrode facing one another via a liquid-crystal layer, the pixels being arrayed in a form of a matrix;
- a switching element for applying a data signal to the pixel electrode included in the pixels;
- and
- a signal line arranged between pixels adjacent to one another in a row direction in which rows of the matrix are arranged, wherein a scan signal is applied to a control electrode of the switching element for each row of the matrix;
- wherein
- the pixels comprise at least first and second subpixels being arranged in a direction intersecting the signal line,
- the switching element comprises first and second switching elements to apply the data signal to subpixel electrodes each included in the first and second subpixels respectively,
- an electrode pair consisting of a discharge-capacitance electrode included in the second subpixel and a discharge-capacitance counter electrode connected to a predetermined electric potential is provided, and a third switching element connected between the subpixel electrode in the second subpixel and the discharge-capacitance electrode is provided, and
- for each row of the matrix, a control electrode of the third switching element in one row of the rows is connected to the signal line for a next row of the one row, and a discharge signal is applied to the signal line for the next row, wherein the discharge signal is raised to turn on the third switching element in the one row when the scan signal applied to each control electrode of the first and second switching elements in the one row falls.
2-3. (canceled)
A method for driving liquid-crystal display apparatus, the apparatus comprising:
- pixels each defined so as to include an electrode pair consisting of a pixel electrode and a counter electrode facing one another via a liquid-crystal layer, the pixels being arrayed in a form of a matrix;
- a switching element for applying a data signal to the pixel electrode included in the pixels;
- and a signal line arranged between pixels adjacent to one another in a row direction in which rows of the matrix are arranged, wherein a scan signal is applied to a control electrode of the switching element for each row of the matrix, wherein
- the pixels comprise at least first and second subpixels being arranged in a direction intersecting the signal line,
- the switching element comprises first and second switching elements to apply the data signal to subpixel electrodes each included in the first and second subpixels respectively,
- an electrode pair consisting of a discharge-capacitance electrode included in the second subpixel and a discharge-capacitance counter electrode connected to a predetermined electric potential is provided, and a third switching element connected between the subpixel electrode in the second subpixel and the discharge-capacitance electrode is provided,
- for each row of the matrix, a control electrode of the third switching element in one row of the rows is connected to the signal line for a next row of the one row, and
- the method comprises applying a discharge signal to the signal line for the next row, wherein the discharge signal is raised to turn on the third switching element in the one row when the scan signal applied to each control electrode of the first and second switching elements in the one row falls.
Dependencies are inferred from the claim text.