LIGHT-EMITTING DEVICE AND METHOD FOR PRODUCING THE SAME

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United States of America Patent

SERIAL NO

15550624

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Abstract

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A light-emitting device includes a metal substrate, insulative portions, a plurality of LEDs, a support frame, and a light-transmissive encapsulation resin. The metal substrate includes electrode portions. The insulative portions separate the electrode portions from each other so that one serves as an anode and another serves as a cathode. The LEDs are positioned at a surface of the metal substrate. The LEDs each lie over a corresponding one of the insulative portions and are each electrically coupled to corresponding ones of the electrode portions. The support frame surrounds an outer perimeter of the metal substrate, and includes inner and outer wall portions. The inner wall portion is formed within a recessed groove along the outer perimeter of the metal substrate. The outer wall portion covers an outer perimeter surface of the metal substrate. The light-transmissive encapsulation resin encapsulates at least partially the LEDs.

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Patent Owner(s)

Patent OwnerAddress
CITIZEN ELECTRONICS CO LTD23-1 KAMIKURECHI 1-CHOME FUJIYOSHIDA-SHI YAMANASHI 403-0001
CITIZEN WATCH CO LTDTOKYO JAPAN TOKYO METROPOLIS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
HIRASAWA, Koki Yamanashi-ken, JP 34 284
IINO, Takashi Yamanashi-ken, JP 46 364
MATSUMURA, Kazuki Yamanashi-ken, JP 14 37

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