Transflective liquid crystal display device having four...

Details Transflective liquid crystal display device having four... Transflective liquid crystal display device having four...

2007-09-11

2007-09-11

Nelms, David (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S114000, C349S117000, C349S118000

Reexamination Certificate

active

11318072

ABSTRACT:
A liquid crystal display device includes a liquid crystal cell having a pair of transparent substrates opposite to each other and a liquid crystal layer provided between the pair of substrates; first and second retardation plates and a first polarizing plate that are sequentially formed on an outer surface of one of the pair of substrates; and third and fourth retardation plates and a second polarizing plate that are sequentially formed on an outer surface of the other substrate of the pair of substrates. Optical characteristics of the liquid crystal cell, the first to fourth retardation plates, and the first and second polarizing plates are set in predetermined ranges.

REFERENCES:
patent: 6707519 (2004-03-01), Okumura et al.
patent: 6999144 (2006-02-01), Wu et al.
patent: 7110071 (2006-09-01), Matsushima
patent: 2003/0210365 (2003-11-01), Koyama et al.
patent: 2004/0233358 (2004-11-01), Wu
patent: 2005/0134773 (2005-06-01), Park et al.
patent: 2000-171794 (2000-06-01), None
A Search Report dated Apr. 4, 2006 for corresponding European Application No. 05028240.9.

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