Semiconductor display device and method of driving the same

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United States of America Patent

PATENT NO 6597349
SERIAL NO

09162230

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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In a driving circuit of a digital gradation system semiconductor display device, one D/A conversion circuit 208 is provided for a plurality of source signal lines, and the respective source signal lines are driven in a time-division manner. By this, the number of the D/A conversion circuits 208 in the driving circuit can be decreased, and miniaturization of the semiconductor display device can be achieved.

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Patent Owner(s)

  • SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Azami, Munehiro Kanagawa, JP 90 3139
Koyama, Jun Kanagawa, JP 1614 54626
Osame, Mitsuaki Kanagawa, JP 295 7922

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