Electro-optical device having a ratio controlling means for providing gradated display levels

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United States of America Patent

PATENT NO 5200846
SERIAL NO

07837394

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Abstract

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An electro-optical device comprising a display drive system with the display timing related to the unit time t for writing-in a picture element and to the time F for writing-in one picture is disclosed. In the device, a gradated display corresponding to the ratio of the division can be obtained by time-sharing the signal during a write-in of time t without changing the time F.

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Patent Owner(s)

Patent OwnerAddress
SEMICONDUCTOR ENERGY LABORATORY CO LTDKANAGAWA-KEN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hiroki, Masaaki Kanagawa, JP 267 8801
Mase, Akira Aichi, JP 152 7076

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