Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yuji Sugiyama0
Hitoshi Shoda0
Takehiko Saigo0
Yoshifumi Kawaguchi0
Date of Patent
February 9, 2010
Patent Application Number
11678747
Date Filed
February 26, 2007
Patent Primary Examiner
Patent abstract
An illumination device includes a light emitting element, and a plurality of radially disposed radiation fins for dissipating heat generated by the light emitting element. An aperture may be formed between adjacent ones of the radiation fins for allowing light from the light emitting element to pass therethrough. The radiation fins may further include a reflection surface for reflecting light which is blocked by the radiation fins when passing through the aperture.
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