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US Patent 7973894 Liquid crystal display

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Patent
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Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7973894
Date of Patent
July 5, 2011
Patent Application Number
12396142
Date Filed
March 2, 2009
Patent Primary Examiner
‌
Wen-Ying P Chen
Patent abstract

A transmissive liquid crystal display including a pair of substrates, a common electrode on one of the substrates, a pixel electrode on the other substrate, a liquid crystal sealed between the substrates, a polymer obtained by polymerizing a polymeric component mixed in the liquid crystal, and a pixel region having areas whose electro-optical characteristics are different from each other because of a difference between cell thicknesses. A distance between the pixel electrode and the common electrode, with respect to a direction of the cell thickness, is different in the areas of different cell thicknesses. Also, a liquid crystal display including a pair of substrates provided opposite to each other; a liquid crystal sealed between the pair of substrates; and an alignment film including a polymeric component and a polymerization initiator in a density that varies in each of a plurality of areas in the pixel region.

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