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LCD device

A technology of liquid crystal display device and liquid crystal layer, which can be applied to instruments, nonlinear optics, optics, etc., and can solve the problems of reduced response speed and deterioration of clarity.

Inactive Publication Date: 2004-03-10
GETNER FOUND L L C
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0025] However, the mutually different cell gaps Dr and Df cause a problem that when an electric field is applied to the liquid crystal layer, liquid crystal molecules are inclined in non-uniform directions at and near the boundary between the first and second regions. , leading to deterioration of clarity and reduction of response speed

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0054] Figure 3A is a partial perspective view of the transflective liquid crystal display device 10 according to the first embodiment.

[0055] Such as Figure 3A As shown, the transflective liquid crystal display device 10 is designed to include an inclined surface or a level-different portion 122 between the first region 120 and the second region 121 . The first and second regions 120 and 121 are continuous with each other by the inclined surface 122 .

[0056] The pixel electrode 111 of the first substrate 101 is designed to have a first opening region 125A in which no pixel electrode 111 exists. The first open area 125A defines a first alignment controller.

[0057] The first open area 125A extends through the inclined surface 122 on the first and second areas 120 and 121 . The pixel electrodes 111A in the first region 120 and the pixel electrodes 111B in the second region 122 are connected by a line 126 extending along the longitudinal direction X of the transflecti...

no. 2 example

[0064] Figure 4A is a partial perspective view of the transflective liquid crystal display device 20 according to the second embodiment of the present invention.

[0065] The structural difference between the liquid crystal display device 20 according to the second embodiment and the liquid crystal display device 10 according to the first embodiment lies in the first opening area.

[0066] The first opening region 125B in the second embodiment is formed in the second region 121 . As a result, the second region 121 includes a rectangular first portion 121a connected to the inclined surface 122 and the pixel electrode 111 formed in the first region 120, a second portion 121b spaced apart from the first portion 121a, and interconnecting the first and second portions. The linear connection portion 121c of 121a and 121b.

[0067] The connecting portion 121c connects the first portion 121a and the second portion 121b to each other at the center of the first portion 121a in the tr...

no. 3 example

[0082] Figure 7 is a partial perspective view of the transflective liquid crystal display device 30 according to the third embodiment.

[0083] The structural difference between the liquid crystal display device 30 according to the third embodiment and the liquid crystal display device 10 according to the first embodiment lies in the first opening area.

[0084]A first opening region 125C according to the third embodiment is formed in the first region 120 . As a result, the first region 120 includes a rectangular first portion 120a connected to the pixel electrode 111 formed in the inclined surface 122 and the second region 121, a second portion 120b spaced apart from the first portion 120a, and interconnecting the first and second portions. Portion 120c connects portions 120a and 120b linearly.

[0085] The linear portion 120c is at the center of the first portion 120a in the transverse direction Y and in the center of the second portion 120b in the transverse direction Y,...

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Abstract

A liquid crystal display device includes a first substrate including a first area in which an incident light is reflected and a second area through which a light passes, and further including a pixel electrode covering the first and second areas therewith, a second substrate including at least an opposing electrode, a liquid crystal layer sandwiched between the first and second substrates and including liquid crystal molecules each having a major axis aligned perpendicularly to the first and second substrates when no electric field is applied thereto, and a first alignment-controller for controlling alignment of the liquid crystal molecules, the first alignment-controller being arranged at a boundary of the first and second areas or in the vicinity of the boundary.

Description

technical field [0001] The present invention relates to a liquid crystal display device, and more particularly, to a transflective liquid crystal display device having the functions of a light transmissive liquid crystal display device and a light reflective liquid crystal display device. Background technique [0002] A liquid crystal display device generally includes two substrates and a liquid crystal sandwiched between the two substrates, wherein the intensity of an electric field applied to the liquid crystal is controlled, thereby controlling the extent to which the backlight passes through the liquid crystal. [0003] A vertical-alignment liquid crystal display device can completely block light when no electric field is applied. That is, the vertical alignment type liquid crystal display device can exhibit a higher contrast ratio than the conventional twisted nematic type liquid crystal display device due to the very low luminance in the off condition in the standard b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/1337G02F1/1333G02F1/1335G02F1/1343G02F1/139
CPCG02F1/133371G02F1/134309G02F1/1393G02F1/133555G02F1/1337
Inventor 石井俊也坂本道昭早川清美
Owner GETNER FOUND L L C