Stock material or miscellaneous articles – Liquid crystal optical display having layer of specified... – With charge transferring layer of specified composition
Patent
1998-12-23
2000-08-15
Thomas, Alexander
Stock material or miscellaneous articles
Liquid crystal optical display having layer of specified...
With charge transferring layer of specified composition
349123, 4284735, 528125, 528170, 528172, 528176, 528171, 528185, 528188, 528220, 528353, G02F 11337
Patent
active
061033227
ABSTRACT:
The present invention provides novel polyamic acids and polyimide optical alignment layers for inducing alignment of a liquid crystal medium. The novel compositions comprise crosslinking diamines containing a C.sub.3 -C.sub.20 linear or branched hydrocarbon chains containing 1 to 4 carbon-carbon double bonds. The invention further describes liquid crystal displays comprising the novel polyimide optical alignment layers.
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patent: 5032009 (1991-07-01), Gibbons et al.
patent: 5276132 (1994-01-01), Nishikawa, et al.
patent: 5731405 (1998-03-01), Gibbons et al.
Gibbons Wayne M.
Shannon Paul Joseph
Zheng Hanxing
Elsicon Inc.
Shannon Paul J.
Thomas Alexander
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