Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Reexamination Certificate
2004-08-18
2008-09-09
Schechter, Andrew (Department: 2871)
Liquid crystal cells, elements and systems
Particular structure
Having significant detail of cell structure only
C349S117000, C349S118000, C349S120000, C349S121000
Reexamination Certificate
active
07423715
ABSTRACT:
A liquid crystal display device includes a liquid crystal panel having a structure in which a liquid crystal layer LQ is held between a pair of electrode substrates AR, CT, a pair of polarizers PL which hold the liquid crystal panel therebetween, and a pair of optical retardation plates RT arranged between the liquid crystal panel and the pair of polarizers PL. Each optical retardation plate RT has a refractive anisotropy in which average refractive indices nx, ny, and nz in an x-axis direction, a y-axis direction, and a z-axis direction being perpendicular to each other satisfy nx>ny>nz in a state when the z-axis direction conforms to the normal direction. The x-axis direction of each optical retardation plate RT is almost parallel to the transmission axis of the polarizer PL adjacent to a corresponding optical retardation plates RT.
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Nguyen Hoan C
Schechter Andrew
Toshiba Matsushita Display Technology Co., Ltd.
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