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Title:
LIGHTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2011/096373
Kind Code:
A1
Abstract:
A lighting device (100) comprises a light source; a power supply circuit (6) that supplies electricity to the light source; a radiator unit (3), further comprising an electrical insulating material, which radiates heat from the power supply circuit (6) that is housed therewithin to outside air; and a thermoconductor unit that conducts heat from the power supply circuit (6) to the radiator unit (3). The radiator unit (3) and the thermoconductor unit are thermally connected. In addition to implementing reduced weight upon the lighting device (100), the heat conduction from the thermoconductor unit to the radiator unit (3) is improved thereupon.

Inventors:
YAMAMOTO, Shoji (())
山本 昌史 (())
Application Number:
JP2011/051973
Publication Date:
August 11, 2011
Filing Date:
February 01, 2011
Export Citation:
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Assignee:
SHARP KABUSHIKI KAISHA (22-22, Nagaike-cho Abeno-ku, Osaka-sh, Osaka 22, 〒5458522, JP)
シャープ株式会社 (〒22 大阪府大阪市阿倍野区長池町22番22号 Osaka, 〒5458522, JP)
YAMAMOTO, Shoji (())
International Classes:
F21S2/00; F21V29/00; H01L33/00; F21Y101/02
Foreign References:
JP2004119324A2004-04-15
JP2007323879A2007-12-13
JP2004165053A2004-06-10
JP2008186776A2008-08-14
Other References:
See also references of EP 2535635A4
Attorney, Agent or Firm:
KOHNO, Takao (KOHNO PATENT OFFICE, 4-3 Tsuriganecho 2-chome, Chuo-ku, Osaka-sh, Osaka 35, 〒5400035, JP)
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