Light-emitting device

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United States of America Patent

PATENT NO 9357593
APP PUB NO 20120104957A1
SERIAL NO

13286401

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A light-emitting device includes a substrate including electrodes, a first group including a plurality of blue light-emitting diode elements that are disposed on the substrate and electrically connected to the electrodes, a second group including a plurality of blue light-emitting diode elements that are disposed on the substrate and electrically connected to the electrodes, a fluorescent layer disposed to receive light from the first group of blue light-emitting diode elements, and a phosphorescent layer disposed to receive light from the second group of blue light-emitting diode elements.

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Patent Owner(s)

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

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Imai, Sadato Minamitsuru-gun, JP 61 1225
Ishii, Kota Fujiyoshida, JP 1 4
Yano, Takakazu Toshima-ku, JP 32 335
Yoshimura, Akio Fujiyoshida, JP 4 49

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