Liquid crystal display device with wide viewing angle

Details Liquid crystal display device with wide viewing angle Liquid crystal display device with wide viewing angle

1998-09-16

2000-06-20

Dudek, James A.

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

349141, G02F 11337

Patent

active

060783753

ABSTRACT:
In an LCD device of an IPS (In-Plane Switching) mode having two alignment films which are subjected to individual aligning treatments and between which liquid crystal molecules are interposed and sealed, the aligning treatments of the two alignment films are carried out in the same directional orientation to put the molecules into a state of splay alignment. Specifically, parts of the molecules adjacent to the two alignment films have pretilt angles each of which has an absolute value not smaller than two degrees due to influence of the aligning treatments. Therefore, an appearance of undesirable light points is suppressed in the manufacturing the LCD device, and the LCD device has a good yield.

REFERENCES:
patent: 5905556 (1999-05-01), Suzuki et al.
patent: 5986735 (1999-11-01), Komatsu

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