Liquid crystal display with three domains wherein molecules in t

Details Liquid crystal display with three domains wherein molecules in t Liquid crystal display with three domains wherein molecules in t

1997-09-11

2000-03-21

Sikes, William L.

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

349130, 349123, 349124, G02F 11337

Patent

active

060408855

ABSTRACT:
A liquid crystal display device comprises: a pair of substrates, each having an electrode on an inner surface of said substrate: an alignment film on each the electrode; a liquid crystal material between the alignment films; a plurality of display cells in the liquid crystal material, each controlled by a voltage applied from the electrodes, each display cell comprising: a plurality of domains, each having mutually different pre-tilt angle, the pre-tilt angle being determined by said alignment films forming the domains; a separator region provided along a boundary of said domains, for preventing an influence of pre-tilt angle of adjacent domain, so that liquid crystal molecules in the separator region are substantially vertical with respect to the alignment film regardless to the voltage applied thereto. The separator region may be constituted by arranging the facing two alignment films such that at the center of the cell both the facing alignment films have the higher pretilt angle.

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patent: 5666178 (1997-09-01), Hirata et al.
patent: 5666179 (1997-09-01), Koma

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