Tetrahydropyran compound, liquid crystal, composition and...

Details Tetrahydropyran compound, liquid crystal, composition and... Tetrahydropyran compound, liquid crystal, composition and...

2005-10-04

2010-11-30

Wu, Shean C (Department: 1795)

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

C252S299610, C252S299630, C549S356000, C549S427000, C549S428000

Reexamination Certificate

active

07842357

ABSTRACT:
A compound represented by the following formula (1):wherein R1and R2are, for example alkyl; T1, T2and T3are independently tetrahydropyran-2,5-diyl or tetrahydropyran-3,6-diyl; A1and A2are, for example 1,4-cyclohexylene; Z1, Z2, Z3and Z4are, for example, a single bond; i, j, k, m and n are, for example 0 or 1; and i+j+k+m+n is, for example 2 or 3.

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