Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1997-12-09
2000-05-23
Hampton-Hightower, P.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525179, 525422, 528170, 528353, 428 1, 4284735, 349 1, 349123, 349127, 349193, C08G 7300, C08L 7700, G02F 113, G02F 11337
Patent
active
06066696&
ABSTRACT:
An optical alignment composition including a first polymer selected from a cinnamate-series polymer and a coumarin-series polymer, and a second polymer selected from polyimide having a long-chain alkyl group at its side chains and polyimide having an alkyl group at its both ends, an alignment layer formed using the same, and a liquid crystal display having the alignment layer are provided. According to the present invention, the thermal stability of the alignment layer and pretilt angle characteristic of the liquid crystal are improved.
REFERENCES:
patent: 5145940 (1992-09-01), Wernet et al.
patent: 5800952 (1998-09-01), Wano et al.
Yu Han-sung
Yu Seong-han
Hampton-Hightower P.
Samsung Display Devices Co. Ltd.
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