IP Library Granted Patent US 9,116,404
Granted Patent B2
US 9,116,404 · App. 14/012,116 · Granted Aug 25, 2015

Liquid crystal display

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Quick Facts
Patent No.
US 9,116,404
App. No.
14/012,116
Granted
Aug 25, 2015
Kind
B2
Abstract

According to one embodiment, a liquid crystal display includes an array substrate provided with pixel electrodes including a first pixel electrode and a second pixel electrode aligning in a first direction, a first gate line placed on one side of the pixel electrodes in a second direction, a second gate line placed on the other side of the pixel electrodes, a source line extending along the second direction, a first pixel switch for switching connection of the source line with the first pixel electrode by a gate signal provided through the first gate line, and a second pixel switch for switching connection of the source line with the second pixel electrode by another gate signal provided through the second gate line, an counter-substrate provided with an common electrode, and a liquid crystal layer held between the substrates.

Claims (22)

1. A liquid crystal display comprising:

an array substrate provided with a plurality of pixel electrodes including a first pixel electrode and a second pixel electrode aligning in a first direction; first and second gate lines placed on opposing sides of the first pixel electrode and the second pixel electrode in a second direction intersecting the first direction; a source line extending along the second direction; a first pixel switch to switch connection of the source line with the first pixel electrode by a gate signal provided through the first gate line; and a second pixel switch to switch connection of the source line with the second pixel electrode by another gate signal provided through the second gate line;

an counter-substrate provided with an common electrode opposing the pixel electrodes; and

a liquid crystal layer held between the array substrate and the counter-substrate,

wherein the source line includes a first source line and a second source line, which are disposed on opposing sides of the first pixel electrode in the first direction and are provided with a common image signal, and a connecting section electrically connecting the first source line and the second source line between the first pixel electrode and a pixel electrode aligning in the second direction,

the first pixel switch switches connection of the first source line with the first pixel electrode,

the second pixel switch switches connection of the second source line with the second pixel electrode, and

the array substrate further comprises an auxiliary capacity line arranged so as to oppose a portion of the first and second pixel electrodes through an insulation layer and extending in the first direction so as to run in a meandering shape along edges of the first and second pixel electrodes.

2. The liquid crystal display according to claim 1 , wherein the first pixel switch and the second pixel switch are placed on the opposing sides of the first pixel electrode and the second pixel electrode in the first direction, and are each provided with a semiconductor layer; a gate electrode, which extends from either of the first gate line and the second gate line and is placed in a lower portion of the semiconductor layer; and a drain electrode placed at an upper portion of the semiconductor layer,

and the drain electrode extends between a lower portion of either of the first and second pixel electrodes and an upper portion of the semiconductor layer along the first direction.

3. A liquid crystal display comprising:

an array substrate provided with a plurality of pixel electrodes including a first pixel electrode and a second pixel electrode aligning in a first direction, each of the pixel electrodes including four edges, which are a pair of first edges extending substantially in parallel to a second direction intersecting the first direction and a pair of second edges opposed to each other in the second direction; first and second gate lines placed on opposing sides of the first pixel electrode and the second pixel electrode in the second direction; a source line extending along the second direction; a first pixel switch to switch connection of the source line with the first pixel electrode by a gate signal provided through the first gate line; a second pixel switch to switch connection of the source line with the second pixel electrode by another gate signal provided through the second gate line; and an auxiliary capacity line arranged so as to oppose three edges of each of the pixel electrodes including the pair of first edges through an insulation layer and extending in the first direction so as to run in a meandering shape along edges of the pixel electrodes;

a counter-substrate provided with a common electrode opposing the pixel electrodes;

a liquid crystal layer held between the array substrate and the counter-substrate;

wherein

the first pixel electrode and a pixel electrode aligning in the second direction make a column of the pixel electrodes,

the source line includes a first source line and a second source line, which are disposed on both sides of the column of the pixel electrodes in the first direction and are provided with a common image signal,

the first pixel switch switches connection of the first source line with the first pixel electrode,

the second pixel switch switches connection of the second source line with the second pixel electrode; and

wherein the source line further includes a connecting section electrically connecting the first source line and the second source line between the first pixel electrode and a pixel electrode aligning in the second direction.

4. The liquid crystal display according to claim 3 , wherein the first pixel switch and the second pixel switch are placed on the opposing sides of the first and second pixel electrodes in the first direction, and are each provided with a semiconductor layer; a gate electrode, which extends from either for the first gate line and the second gate line and is placed in a lower portion of the semiconductor layer; and a drain electrode placed at an upper portion of the semiconductor layer, and

the drain electrode extends between a lower portion of either of the first and second pixel electrodes and an upper portion of the semiconductor layer along the first direction.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 22, 2025
From: JAPAN DISPLAY INC.
To: MAGNOLIA WHITE CORPORATION
Reel/Frame 072130/0313 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 28, 2013
From: YONEKURA, TOSHIMASA
To: JAPAN DISPLAY INC.
Reel/Frame 031100/0099 →