Transflective LCD with twist angle less than 90 degrees and...

Details Transflective LCD with twist angle less than 90 degrees and... Transflective LCD with twist angle less than 90 degrees and...

2006-03-14

2006-03-14

Schechter, Andrew (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S119000, C349S121000

Reexamination Certificate

active

07012662

ABSTRACT:
A color filter array panel and a TFT array panel face each other, and a liquid crystal layer is interposed between the two panels such that the liquid crystal molecules of the liquid crystal layer are twisted by 72°. A λ/2 compensation film and a λ/4 compensation film are disposed on outer surfaces of the color filter array panel and the TFT array panel, respectively. Upper and lower polarizers are disposed on the respective compensation films. The λ/2 compensation film and the λ/4 compensation film have predetermined retardations and the drawing axes having predetermined azimuthal angles.

REFERENCES:
patent: 6057901 (2000-05-01), Xu
patent: 6801283 (2004-10-01), Koyama et al.
patent: 6819381 (2004-11-01), Mi et al.
patent: 6825902 (2004-11-01), Kaneko
patent: 6831722 (2004-12-01), Ishikawa et al.
patent: 2004/0135949 (2004-07-01), Maeda
patent: 2005/0105025 (2005-05-01), Ootake

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