Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Reexamination Certificate
2005-08-16
2008-11-11
Nelms, David C. (Department: 2871)
Liquid crystal cells, elements and systems
Particular structure
Having significant detail of cell structure only
C349S146000
Reexamination Certificate
active
07450202
ABSTRACT:
A liquid crystal display device includes an element substrate; a counter substrate opposite to the element substrate; a liquid crystal layer that is formed between the element substrate and the counter substrate; and dot sections each having a transmissive display section for performing transmissive display and a reflective display section for performing reflective display. The element substrate includes switching elements, an insulating film formed on the switching elements, and pixel electrodes formed on the insulating film. The switching elements are electrically connected to the pixel electrodes through contact holes that are formed in the insulating film. Each of the pixel electrodes has a transparent electrode portion for the transmissive display and a reflective electrode portion for the reflective display. The switching element is arranged below the reflective electrode portion of a second dot section adjacent to a first dot section that is driven by the switching element.
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M. Jisaki, H. Yamaguchi, “Development of transflective LCD for high contrast and wide viewing angle by using homeotropic alignment”, Asia Display/ IDW '01, p. 133-136.
Harness & Dickey & Pierce P.L.C.
Heyman John
Nelms David C.
Seiko Epson Corporation
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