Polymerizable liquid crystal compound, liquid crystal...

Details Polymerizable liquid crystal compound, liquid crystal... Polymerizable liquid crystal compound, liquid crystal...

2006-07-25

2006-07-25

Wu, Shean C (Department: 1756)

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

C252S299630, C252S299670, C560S083000, C560S085000, C560S104000, C560S128000

Reexamination Certificate

active

07081281

ABSTRACT:
The present invention provides a polymerizable liquid crystal compound having an excellent durability against blue laser light and having a small refractive index and small light absorption, a liquid crystal composition containing the compound, and an optical anisotropic material using the liquid crystal composition.The polymerizable liquid crystal compound represented by the following formula (1), provided that R1is a hydrogen atom or a methyl group, Cy is a trans-1,4-cyclohexylene group, X1is a 1,4-phenylene group or a trans-1,4-cyclohexlyene group, and R2is a C1-8alkyl group. The above 1,4-phenylene group and the trans-1,4-cyclohexylene group may be such that a hydrogen atom bonded to a carbon atom in each group may be substituted by a fluorine atom, a chlorine atom or a methyl group.

REFERENCES:
patent: 5858268 (1999-01-01), Niiyama et al.
patent: 10-195138 (1998-07-01), None
patent: 2001-89529 (2001-04-01), None

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