Homeotropic alignment layer

Stock material or miscellaneous articles – Liquid crystal optical display having layer of specified...

Reexamination Certificate

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Details

C428S001200, C428S001300, C252S299010, C349S127000

Reexamination Certificate

active

07105209

ABSTRACT:
The invention relates to an alignment layer comprising a polymerized liquid crystal material with homeotrophic orientation, to methods of its preparation, to polymerizable liquid crystal compositions and liquid crystal polymers used for the preparation of the alignment layer, to liquid crystal devices comprising the alignment layer, and to a method of controlling the electrooptical steepness of a liquid crystal display comprising at least one alignment layer by varying the surface anchoring energy of the alignment layer.

REFERENCES:
patent: 4469408 (1984-09-01), Krueger et al.
patent: 5863457 (1999-01-01), Haruyoshi et al.
patent: 6696114 (2004-02-01), Kawatsuki et al.
patent: 6816218 (2004-11-01), Coates et al.
patent: 0506175 (1992-09-01), None
patent: 2324382 (1998-10-01), None
patent: 2000212310 (2000-08-01), None
patent: WO 9800475 (1998-01-01), None
patent: WO 0046635 (2000-08-01), None
Database wpi, section ch, week 200063, Derwent Publications Ltd., London, GB; AN 2000-649476, XP002200474.

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