Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Reexamination Certificate
2006-10-24
2006-10-24
Nguyen, Dung T. (Department: 2871)
Liquid crystal cells, elements and systems
Particular structure
Having significant detail of cell structure only
C349S113000, C349S129000
Reexamination Certificate
active
07126657
ABSTRACT:
The invention provides a liquid crystal display device capable of realizing a display, which has a high brightness and a wide viewing angle in both transmissive display and reflective display. A liquid crystal display device according to the present invention includes a transmissive display region and a reflective display region, and also is formed of liquid crystal with a negative dielectric anisotropy such that an initial alignment state is vertical. Electrodes to drive the liquid crystal are provided with slit-shaped openings and convex portions to regulate the alignment of liquid crystal molecules, and an insulating film to allow the thickness of the liquid crystal layer in the transmissive display region to be larger than the thickness of the liquid crystal layer in the reflective display region is formed between a substrate and the liquid crystal layer. The insulating film has an inclined plane to continuously vary its layer thickness in the vicinity of the boundary of the transmissive display region and the reflective display region, and a longitudinal direction of the inclined plane intersect a longitudinal direction of the openings and/or the convex portions, as viewed in plan view.
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Nguyen Dung T.
Oliff & Berridg,e PLC
Seiko Epson Corporation
Vu Phu
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