Polymerizable liquid crystalline composition and liquid...

Details Polymerizable liquid crystalline composition and liquid... Polymerizable liquid crystalline composition and liquid...

2007-03-20

2008-08-26

Wu, Shean C (Department: 1795)

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

C252S299010, C252S299500, C252S299610, C252S299620, C252S299630, C252S299640, C252S299650, C252S299660, C252S299670, C252S299700, C428S001300, C428S001330

Reexamination Certificate

active

07416765

ABSTRACT:
A polymerizable liquid crystalline composition comprises a side chain liquid crystalline polymer obtained by radical-copolymerizing a (meth)acrylic compound has an optically active site and a (meth)acrylic compound having an oxetanyl group, and a cation generator and thus have no functional group the synthesis of which is difficult, such as an epoxy group. The use of the polymerizable liquid crystalline composition provides a cholesteric liquid crystal film which is excellent in a capability of retaining the orientation after being aligned and fixed in a liquid crystal orientation and in mechanical strength without the necessity of a complicated operation such as photo irradiation under an inert gas atmosphere.

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