Liquid crystal display device including a transparent...

Details Liquid crystal display device including a transparent... Liquid crystal display device including a transparent...

2011-04-19

2011-04-19

Nelms, David (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S117000, C349S122000

Reexamination Certificate

active

07929083

ABSTRACT:
A subject of the present invention is to prevent damage to a retardation film, etc. to improve the reliability in a liquid crystal display device including a retardation film on the side of the color filter substrate.To solve the problem, there is provided a liquid crystal display device comprising a liquid crystal display panel which includes a pair of substrates and liquid crystal supported between the pair of substrates, wherein the liquid crystal display panel includes a plurality of sub-pixels; each of the plurality of sub-pixels includes a transparent element and a reflective element; and one substrate of the pair of substrates includes: a diffuse reflection layer formed at a position corresponding to the reflective element of each individual sub-pixel, an oriented film formed on the diffuse reflection layer, a retardation film formed in a region in which the diffuse reflection layer is formed on the oriented film, a color filter formed on the retardation film, and a planarizing film formed on the color filter.

REFERENCES:
patent: 7456916 (2008-11-01), Kaneko
patent: 2004/0004681 (2004-01-01), Ozawa et al.
patent: 2007/0064183 (2007-03-01), Huang et al.
patent: 2007/0085948 (2007-04-01), Kim et al.
patent: 2007/0195235 (2007-08-01), Chang et al.
patent: 2005-338256 (2004-05-01), None

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