Stock material or miscellaneous articles – Liquid crystal optical display having layer of specified... – Alignment layer of specified composition
Reexamination Certificate
2011-06-14
2011-06-14
Teskin, Fred M (Department: 1762)
Stock material or miscellaneous articles
Liquid crystal optical display having layer of specified...
Alignment layer of specified composition
C522S151000, C522S152000, C522S154000, C526S172000, C526S273000, C526S279000, C526S282000, C560S045000, C560S194000, C564S182000, C564S383000, C568S665000, C568S667000
Reexamination Certificate
active
07959989
ABSTRACT:
The present invention relates to a novel cyclic olefin compound, a polymer including the cyclic olefin compound, a liquid crystal alignment film including the polymer, and a liquid crystal display device including the liquid crystal alignment film. Since the polymer includes the cyclic olefin compound as a main chain, the thermal stability is excellent and the photoreactive speed is high. Accordingly, the production time can be reduced, the production cost can be reduced, and the anchoring force of the liquid crystal can be increased because the alignment property is stabilized due to the curing.
REFERENCES:
patent: 2002/0132880 (2002-09-01), Choi et al.
patent: 2006/0160970 (2006-07-01), Kim et al.
patent: 2006/0188806 (2006-08-01), Lee et al.
patent: 11-181127 (1999-07-01), None
Rehab, Ahmed; “Studies of Photoreactive Poly(Norbornene Derivatives) Bearing Chalcone Units”; Journal of Macromolecular Science; Jul. 2003, vol. A40, No. 7, pp. 789-703, ISSN 1520-5738; See abstract; Scheme 1; p. 793, preparation of polymers.
Chun Sung-Ho
Jeong Hye-Won
Jo Jung-Ho
Kim Heon
Kim Kyung-Jun
LG Chem Ltd.
McKenna Long & Aldridge LLP
Teskin Fred M
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