Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Josuke Nakata0
Hiromi Sugimura0
Hiroshi Endo0
Date of Patent
June 17, 2008
0Patent Application Number
105522550
Date Filed
April 2, 2004
0Patent Primary Examiner
Patent abstract
A light-emitting device has spherical photo-electric converting elements that have a substantially spherical acceptance surface, respectively; a light emitting diode powered by the spherical photo-electric converting elements; a control circuit; and a sealing member that integrates the spherical photo-electric converting elements, the light emitting diode and the control circuit. The control circuit is equipped with a light emitting control circuit including a photo-detecting sensor, a charge control circuit and a condenser.
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