Title:
発光ダイオード及びそれを用いる発光制御システム
Document Type and Number:
Japanese Patent JP4659414
Kind Code:
B2
Abstract:
A light emitting diode comprises light-emitting elements inside a cup structure and a lens part that condenses the light from these elements. Light-emitting element placed at the center along the optical axis of the lens emits an outgoing beam of light with a narrow directional angle along this optical axis, and light-emitting element placed away from the optical axis emits an outgoing beam of light in an oblique direction. The light-emitting elements are individually turned on and off in accordance with the distance of the subject to be photographed.
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Inventors:
Takekuma
Application Number:
JP2004253795A
Publication Date:
March 30, 2011
Filing Date:
September 01, 2004
Export Citation:
Assignee:
Avago Technologies EBC IP (Singapore) Private Limited
International Classes:
H01L33/48; G02B7/28; G03B13/36; H01L33/58; H01L33/60
Domestic Patent References:
| JP10229221A | ||||
| JP63266410A | ||||
| JP2000244018A |
Attorney, Agent or Firm:
Satoshi Furuya
Takahiko Mizobe
Kiyoharu Nishiyama
Takahiko Mizobe
Kiyoharu Nishiyama