Transflective LCD device having dual thickness color filter

Details Transflective LCD device having dual thickness color filter Transflective LCD device having dual thickness color filter

2006-10-10

2006-10-10

Ngo, Huyen (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S106000, C349S156000, C345S088000

Reexamination Certificate

active

07119864

ABSTRACT:
A transflective LCD device includes first and second transparent substrates spaced apart from each other and having a reflective portion and a transmissive portion, an insulator on the first transparent substrate, a passivation layer on the insulator within the reflective portion, a reflector on the passivation layer, a transparent pixel electrode disposed over the insulator covering the reflector and the passivation layer, a buffer pattern disposed on a rear surface of the second substrate, the buffer pattern having a saw-tooth shape corresponding to the reflective portion, a color filter on the rear surface of the second substrate covering the buffer pattern, the color filter having a first thickness in the transmissive portion and a second thickness in the reflective portion, a transparent common electrode on a rear surface of the color filter, and a liquid crystal layer between the transparent pixel electrode and the transparent common electrode.

REFERENCES:
patent: 6104460 (2000-08-01), Abe et al.
patent: 6522377 (2003-02-01), Kim et al.
patent: 6741308 (2004-05-01), Ha
patent: 6975373 (2005-12-01), Il
patent: 2002/0003596 (2002-01-01), Kim
patent: 2002/0101552 (2002-08-01), Yi et al.
patent: 2002-0064470 (2002-08-01), None

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