Touch panel

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United States of America Patent

PATENT NO 9122348
APP PUB NO 20100225615A1
SERIAL NO

12706839

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Abstract

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An embodiment of the present invention provides a touch panel that enable data sensing with multi-gray scale and an electronic device. At least a first pixel including a first photosensor portion detecting light with a first color, a second pixel including a second photosensor portion detecting light with a second color, a first A/D converter performing A/D conversion on an output signal of the first photosensor portion, and a second A/D converter performing A/D conversion on an output signal of the second photosensor portion are included. The voltage resolution of the first A/D converter and the voltage resolution of the second A/D converter are different.

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Patent Owner(s)

Patent OwnerAddress
SEMICONDUCTOR ENERGY LABORATORY CO LTD398 HASE ATSUGI-SHI KANAGAWA-KEN 243-0036

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kurokawa, Yoshiyuki Kanagawa, JP 540 7744

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