Liquid crystal display device

Details Liquid crystal display device Liquid crystal display device

2009-02-11

2011-12-20

Nguyen, Thanh-Nhan (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S110000

Reexamination Certificate

active

08081275

ABSTRACT:
A liquid crystal color display device has a light shielding film formed on a color filter substrate at positions overlying TFT elements formed on a TFT substrate. A color filter provided on the color filter substrate has blue-colored and green-colored layers laminated on the light shielding film at regions corresponding to green display pixels, blue-colored and red-colored layers laminated on the light shielding film at regions corresponding to red display pixels, and a blue-colored layer formed on the light shielding film at regions corresponding to blue display pixels. The laminated colored layers reduce reflection of blacklight by the light shielding film onto the TFT elements to prevent leak current of the TFT elements thereby preventing deterioration of the display quality.

REFERENCES:
patent: 6097467 (2000-08-01), Fujimaki et al.
patent: 7804552 (2010-09-01), Yamazaki et al.
patent: 2001/0026347 (2001-10-01), Sawasaki et al.
patent: 2009/0161047 (2009-06-01), Cho et al.

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