Liquid display device and driving method thereof

• US 20080186268A1
• Filed: 03/27/2008
• Published: 08/07/2008
• Est. Priority Date: 05/15/2003
• Status: Active Grant

• Current Assignee: Sharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
• Original Assignee: Sharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
• Inventors: Takeuchi, Masakazu, Morimoto, Takashi, Mori, Yasuki
• Granted Patent: US 8,390,548 B2
• Time in Patent Office: Days
• US Class Current: 345/87
• CPC Class Codes: G02F 1/136213 Storage capacitors associated with the pixel electrode

Abstract

A liquid crystal display device includes a group of first signal lines ( . . . , Sm−1, Sm, Sm+1, . . . ) arranged in parallel, a group of second signal lines ( . . . , Gn−1, Gn, Gn+1, . . . ) and a group of auxiliary capacity wirings ( . . . , Csn−1, Csn, Csn+1, . . . ) alternately arranged one by one in parallel so as to intersect with the group of the first signal lines, a plurality of pixel electrodes arranged in a pixel region, an auxiliary electrode connected to each of the pixel electrodes, and a TFT element corresponding to each of the pixel electrodes. The auxiliary electrode has a portion forming a capacitor by overlapping with auxiliary capacity wiring Csn and a portion forming a capacitor by overlapping with second signal line Gn−1.

Claims

1-20. -20. (canceled)

21. A liquid crystal display device, comprising:

a group of first signal lines arranged in parallel;

a group of second signal lines and a group of auxiliary capacity wirings alternately arranged one by one in parallel so as to intersect with the group of said first signal lines;

a plurality of switching elements arranged corresponding to intersection points of said first signal lines and said second signal lines;

wherein

a pixel electrode electrically connected to said switching element;

said pixel electrode has a portion forming a capacitor by overlapping with said auxiliary capacity wiring and a portion forming a capacitor by overlapping with said second signal line, and

a width of said auxiliary capacity wiring is 10 μ

m or larger.