Light-emitting device

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United States of America Patent

PATENT NO 9748208
SERIAL NO

13167247

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A light-emitting device includes a substrate, and a plurality of light-emitting arrays or light-emitting groups arranged on the substrate. The light-emitting arrays or light-emitting groups include a plurality of LED elements connected in parallel with a pair of adjacent electrodes. The number of the LED elements constituting each of the light-emitting arrays or the light-emitting groups differs in each of the light-emitting arrays or the light-emitting groups. Of the plurality of light-emitting arrays arranged in parallel with each other or the light-emitting groups arranged in a line, the number of the LED elements of the light-emitting arrays or the light-emitting groups positioned inside the substrate is more than the number of the LED elements of the light-emitting arrays or the light-emitting groups positioned outside the substrate.

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Patent Owner(s)

  • CITIZEN ELECTRONICS CO., LTD.;CITIZEN WATCH CO., LTD.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fukasawa, Koichi Fuefuki, JP 47 1377

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