Liquid crystal cells – elements and systems – Particular excitation of liquid crystal – Electrical excitation of liquid crystal
Reexamination Certificate
2006-05-02
2006-05-02
Nguyen, Dung T. (Department: 2871)
Liquid crystal cells, elements and systems
Particular excitation of liquid crystal
Electrical excitation of liquid crystal
C349S043000, C349S139000
Reexamination Certificate
active
07038740
ABSTRACT:
There is provided a liquid crystal display device that can obtain a high light utilization efficiency and a sufficient supplementary capacitance without reducing an aperture rate of pixels and is able to attain higher resolution. A silicon nitride film22that serves as a supplementary capacitance use transparent insulating film is formed under a pixel electrode3. A common electrode21that is made of ITO and is connected to a potential common to an opposite electrode is formed under the silicon nitride film22. The pixel electrode3, the silicon nitride film22and the common electrode21constitute the supplementary capacitance, and the pixel electrode3, the silicon nitride film22and the common electrode21are each made to have a film thickness such that a transmittance is increased by interference at a specified wavelength.
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Nguyen Dung T.
Nixon & Vanderhye P.C.
Sharp Kabushiki Kaisha
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