Liquid crystal display device

Patent metadata

Field	Value
Publication number	US-2016349561-A1
Application number	US-201615158941-A
Country	US
Kind code	A1
Filing date	May 19, 2016
Priority date	Jun 1, 2015
Publication date	Dec 1, 2016
Grant date	—

Abstract

A liquid crystal display device has a liquid crystal display panel that includes a thin-film transistor (TFT) substrate having pixels formed thereon in a matrix pattern and a counter substrate, the two substrates having liquid crystal sandwiched therebetween to constitute a display area having a periphery encircled by a frame area. The display area has a first axis and a second axis perpendicular to the first axis. The liquid crystal display panel is curved along the first axis. The gap between the TFT substrate and the counter substrate is determined by columnar spacers formed on the counter substrate in a manner corresponding to positions of a black matrix over the counter substrate. The center of each of the columnar spacers is displaced in the first axis direction from the center of each of the corresponding positions of the black matrix.

First claim

What is claimed is:

1 . A liquid crystal display device comprising
a liquid crystal display panel comprising a thin-film transistor (TFT) substrate having pixels formed thereon in a display area, a counter substrate, and liquid crystal sandwiched between the thin-film transistor substrate and the counter substrate, and the display area being curved along a first axis; wherein the gap between the TFT substrate and the counter substrate is determined by spacers between the thin-film transistor substrate and the counter substrate; the spacers are arranged at positions corresponding to a light shielding film on the counter substrate; and the center of each of the spacers is displaced from the center of each of the corresponding positions of the light shielding film in the direction of the first axis.

2 . The liquid crystal display device according to claim 1 , wherein, when the liquid crystal display panel is curved toward the TFT substrate, the center of each of the spacers is displaced outwardly of the display area from the center of each of the corresponding positions of the light shielding film in the first axis direction.

3 . The liquid crystal display device according to claim 1 , wherein, in the first axis direction, the center of each of the spacers is displaced from the center of each of the corresponding positions of the light shielding film by an amount that increases progressively from the center of the display area toward the periphery of the display area.

4 . A liquid crystal display device comprising
a liquid crystal display panel comprising a thin-film transistor (TFT) substrate having pixels formed thereon in a display area, a counter substrate, and liquid crystal sandwiched between the thin-film transistor substrate and the counter substrate, and the display area being curved along a first axis; wherein the TFT substrate has a first spacer formed thereon, the first spacer having a long side dimension oriented in the first axis or a second axis which is perpendicular to the first axis; the counter substrate has a second spacer formed thereon, the second spacer having a long side dimension oriented in the second axis or of the first axis in a manner crossing the first spacer in a plan view; and the first spacer or the second spacer having the long side dimension oriented in the first axis is longer than the first spacer or the second spacer having the long side dimension oriented in the second axis.

5 . The liquid crystal display device according to claim 4 , wherein the first spacer or the second spacer having the long side dimension oriented in the first axis has the center of the long side dimension displaced toward the periphery of the display area from the center of a short side dimension of the second spacer or the first spacer having the long side dimension oriented in the second axis.

6 . The liquid crystal display device according to claim 5 , wherein the first spacer or the second spacer having the long side dimension oriented in the first axis has the center of the long side dimension displaced toward the display area periphery from the center of the short side dimension of the second spacer or the first spacer having the long side dimension thereof oriented in the second axis, the displacement increasing progressively from the center of the display area toward the display area periphery.

7 . A liquid crystal display panel comprising a TFT substrate having first pixels formed thereon in a matrix pattern and a counter substrate having second pixels formed thereon in a manner corresponding to the first pixels, liquid crystal sandwiched between the TFT substrate and the counter substrate to constitute a display area of which a second axis is perpendicular to a first axis thereof;
wherein the liquid crystal display panel is bent into a curved shape along the first axis; and the center of each of the second pixels in the direction of the first axis is displaced from the center of each of the first pixels in the first axis direction.

8 . The liquid crystal display panel according to claim 7 , wherein the displacement between the center of each of the second pixels in the first axis direction and the center of each of the first pixels in the first axis direction increases progressively from the center of the display area toward the periphery of the display area.

9 . The liquid crystal display panel according to claim 8 , wherein the displacement between the center of each of the second pixels in the first axis direction and the center of each of the first pixels in the first axis direction increases progressively from the display area center toward the display area periphery, the progressively increasing displacement being defined by a quadratic function regarding the distance from the center in the first axis direction.

10 . The liquid crystal display panel according to claim 8 , wherein the displacement between the center of each of the second pixels in the first axis direction and the center of each of the first pixels in the first axis direction increases progressively from the display area center toward the display area periphery, the progressively increasing displacement being linear relative to the distance from the center in the first axis direction.

11 . A liquid crystal display device comprising the liquid crystal display panel according to claim 7 , wherein the display area is curved.

Assignees

• Japan Display Inc

Inventors

• Shiina Hideki
• Nagasawa Junko
• Shimura Masato

Classifications

• G02F1/13394 Primary

  spacers regularly patterned on the cell subtrate, e.g. walls, pillars (G02F1/133377 takes precedence) · CPC title

• G02F1/133512

  Light shielding layers, e.g. black matrix (G02F1/136209 takes precedence) · CPC title

• G02F1/133305 Primary

  Flexible substrates, e.g. plastics, organic film · CPC title

• G02F2201/56

  Substrates having a particular shape, e.g. non-rectangular · CPC title

• G02F1/1368

  in which the switching element is a three-electrode device {(G02F1/136277 takes precedence)} · CPC title