Vertical alignment mode liquid crystal display

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United States of America Patent

PATENT NO 9081231
APP PUB NO 20120002143A1
SERIAL NO

13256407

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Abstract

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A vertical alignment mode liquid crystal display comprising: a liquid crystal cell; a first polarizer; a second polarizer; a first optical film arranged between the first polarizer and the liquid crystal cell; and a second optical film arranged between the liquid crystal cell and the second optical film, wherein the first and the second optical films each are a resin film having an optically biaxial property, the first and the second optical films meet: Formula (1) Ro1>Ro2; Formula (2) Rth12; Formula (3) DSPRo1Ro2; and Formula (4) DSPRth1Rth, wherein Ro1 and Ro2 represent in-plane retardation values of the first and the second optical films, respectively, Rth1 and Rth2 represent retardation values in the thickness direction of the first and the second optical films, respectively, and DSPRo1, DSPRo2, DSPRth1 and DSPRth2 represent wavelength dispersion properties of Ro1, Ro2; Rth1 and Rth2, respectively.

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Patent Owner(s)

Patent OwnerAddress
KONICA MINOLTA OPTO INCHACHIOJI-SHI TOKYO 192-8505

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Inagaki, Ayako Tachikawa, JP 4 10
Kaneko, Yuki Hachioji, JP 31 102
Oka, Shigeki Kunitachi, JP 11 116
Yano, Kentaro Hachioji, JP 195 3614

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