Compound, composition, retardation plate,...

Details Compound, composition, retardation plate,... Compound, composition, retardation plate,...

2011-06-28

2011-06-28

Wu, Shean C (Department: 1722)

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

C428S001300, C544S216000, C544S221000, C546S269400, C548S131000

Reexamination Certificate

active

07968156

ABSTRACT:
A compound useful for fabrication of retardation plates, which is represented by the formula (DI):wherein Y11to Y13represent methine or nitrogen; R11to R13represent a group of the formula (DI-A) below or others:wherein A11to A16represent methine or nitrogen; X1represents oxygen, sulfur, methylene or imino; L11represents —O—, —C(═O)—, —O—CO—, —CO—O—, —O—CO—O—, —S—, —NH—, —SO2—, —CH2—, —CH═CH—, or —C≡C—; L12represents a divalent linking group; Q11represents polymerizable group or hydrogen.

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