Liquid crystal display apparatus

Details Liquid crystal display apparatus Liquid crystal display apparatus

2006-08-08

2006-08-08

Dudek, James A. (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S117000, C349S141000

Reexamination Certificate

active

07088409

ABSTRACT:
A liquid crystal display of a transflective IPS system in which a lateral electric field is applied to a liquid crystal layer. Polarization films are arranged on the entire surface of a transmissive display unit and a reflective display unit in a manner similar to a transmissive IPS system. An inner retardation layer whose retardation is equal to a half wave is formed in the reflective display unit. A retardation of the liquid crystal layer of the reflective display unit is set to a quarter wave. Thus, a reflective display can be performed in a wide range of environment from a light place to a dark place and a transmissive display of a wide viewing angle and high picture quality can be performed.

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patent: 11-242226 (1999-09-01), None
patent: 2003/279957 (2003-10-01), None
patent: 2004/015486 (2004-02-01), None

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