Liquid crystal display

Details Liquid crystal display Liquid crystal display

2005-09-20

2005-09-20

Chowdhury, Tarifur R. (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S096000, C349S113000, C349S123000, C349S128000

Reexamination Certificate

active

06947112

ABSTRACT:
The present invention relates to a liquid crystal display, comprising a lower alignment film formed on a lower substrate; an upper alignment film formed on an upper substrates; a liquid crystal layer sandwiched between the lower and upper substrates; a phase compensation film adhered on the outer surface of the upper substrate and a polarizer adhered on the phase compensation film wherein the lower alignment film has an alignment angle of 10-20° with respect to a horizontal line, the upper alignment film has an alignment angle of 40 to 55° with respect to a horizontal line, the liquid crystal layer has a phase delay value (dΔn) of 0.24-0.27 μm, the phase compensation film has a phase compensation function of λ/4 and also has an optical axis making 140-146° with a horizontal line and the polarizer has an absorption axis making 120 to 122.5° with a horizontal line.

REFERENCES:
patent: 5142393 (1992-08-01), Okumura et al.
patent: 5361151 (1994-11-01), Sonehara et al.
patent: 5490003 (1996-02-01), Van Sprang
patent: 5619356 (1997-04-01), Kozo et al.
patent: 6295113 (2001-09-01), Yang
patent: 2002/0093620 (2002-07-01), Itou et al.

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