Liquid crystal panel including antiferroelectric liquid crystal

Details Liquid crystal panel including antiferroelectric liquid crystal Liquid crystal panel including antiferroelectric liquid crystal

1996-01-24

1998-02-17

Sikes, William L.

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

349126, 349133, 349174, G02F 11337, G02F 1141, G02F 11339, G02F 113

Patent

active

057196532

ABSTRACT:
Striped electrodes are formed on upper and lower substrates respectively, and a plurality of partition members are formed in a striped fashion so that a plurality of parallel sealed linear interstices R, each having a rectangular section, are formed between the substrates. A upper-side rubbing direction crosses a lower-side rubbing direction at a predetermined angle, and the direction of extension of each of the partition members is caused to fall within the above cross angle. An antiferroelectric liquid crystal is sealed in the linear interstices, and the liquid crystal panel is cooled while proceeding from one end of the linear interstices to the other end thereof. The layer normal direction of liquid crystal molecular layer becoming irregular between the upper and lower substrates is prevented by the employment of the cross rubbing method to thereby avoid the occurrence of defects in the liquid crystal. Further, the occurrence of zigzag defects is prevented by controlling the infiltration of the antiferroelectric liquid crystal and also controlling the cooling.

REFERENCES:
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patent: 5559621 (1996-09-01), Minato et al.
"Structure of Ferroelectric Liquid Crystal and Properties Thereof", Fukuda and Takezoe, published by Corona Publishing Co., Ltd. in 1990, pp. 15-19, pp. 345-349.
"Future Liquid Crystal Display and Its Materials" Fukuda, Published by CMC Co., in 1992, pp. 1-13, pp. 102-113.
"High Resolution, Large Area, FLC Display With High Graphic Performance", Kanbe, et al., Ferroelectrics, 1991, vol. 114, pp. 3-26.

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