Open gate line repair in an LCD
AssigneeLG. Philips LCD Co., Ltd.
InventorWoo Hyuk Choi
Life of this patent
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Abstract
An LCD repair method repairs gate opens in a gate line where the gate line intersects with a data line or where the gate open exists at a position where it is not overlapped by a single pixel electrode. The method includes connecting a pixel electrode overlapping a portion of the opened gate line to the gate line, and forming a metal pattern to electrically connect two adjacent pixel electrodes.
Claims18
A method for repairing an open gate line in an LCD, the LCD including a plurality of gate lines arranged on a substrate, a plurality of data lines that intersect with the gate lines to delineate a plurality of pixel areas, thin film switching transistors disposed proximate to gate line and data line intersections, and pixel electrodes disposed at the pixel areas, the method comprising the steps of:
- when a gate line has a gate open at an intersection with a data line, connecting the gate line with a pixel electrode overlapping a portion of the gate line;
- connecting adjacent first and second pixel electrodes together across the gate open;
- and
- electrically insulating the pixel electrode connected with the gate line from the data line.
A method for repairing an open gate line in an LCD, the LCD including a plurality of gate lines arranged on a substrate, a plurality of data lines that intersect perpendicular to the gate lines to delineate a plurality of pixel areas, thin film switching transistors disposed proximate to gate line and data line intersections, and pixel electrodes disposed at the pixel areas, the method comprising the steps of:
- when a gate line has a gate open at a stepped intersection with a first data line, connecting together a first pixel electrode overlapped with a first predetermined portion of the gate line on a first side of the gate line;
- connecting together a second pixel electrode overlapped with a second predetermined portion of the gate line on a second side of the gate line;
- connecting the first and second pixel electrodes;
- and
- where the data line is associated with the second pixel electrode, and where a second data line is associated with the first pixel electrode, and further comprising the step of electrically insulating the first data line from the second pixel electrode and electrically insulating the second data line from the first pixel electrode.
A method for repairing a signal line with an open in an LCD, the method comprising the steps of:
- connecting a first pixel electrode to a first side of the signal line;
- connecting a second pixel electrode to a second side of the signal line;
- and
- connecting the first pixel electrode to the second pixel electrode to establish a current path across the open;
- disconnecting a first data line from the first pixel electrode;
- and
- disconnecting a second data line from the second pixel electrode.
Dependencies are inferred from the claim text.