Stock material or miscellaneous articles – Liquid crystal optical display having layer of specified... – With viewing layer of specified composition
Reexamination Certificate
2005-07-13
2010-02-16
Hon, Sophie (Department: 1794)
Stock material or miscellaneous articles
Liquid crystal optical display having layer of specified...
With viewing layer of specified composition
C345S107000, C430S045330, C428S001200, C427S213340, C264S004700
Reexamination Certificate
active
07662444
ABSTRACT:
A liquid crystal microcapsule, comprising a liquid crystal and a polyurea film encapsulating the liquid crystal, wherein at least one of an alkyl group and a fluoroalkyl group is bonded directly or indirectly via a urethane bond to the polyurea.A method of producing a liquid crystal microcapsule, comprising: forming a polyurea and the film thereof by allowing an aligner, which is a compound having a hydroxyl group and at least one of an alkyl group and a fluoroalkyl group, to react with a polyisocyanate, a polyamine, and water; and encapsulating a liquid crystal with the film.A liquid crystal display device using the liquid crystal microcapsule.
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Hiji Naoki
Yamamoto Shigeru
Fuji 'Xerox Co., Ltd.
Hon Sophie
Oliff & Berridg,e PLC
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