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Flashlight

  • US 20070133197A1
  • Filed: 03/16/2006
  • Published: 06/14/2007
  • Est. Priority Date: 12/09/2005
  • Status: Active Grant
First Claim
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1. A flashlight comprising:

  • a battery housing;

    a lamp seat mounted on one end of said battery housing;

    a lamp unit including a substrate having a first side provided with a metal layer, and an LED lamp mounted on a second side of said substrate opposite to said metal layer;

    a heat-conductive casing attached to said one end of said battery housing and disposed around said lamp seat and said lamp unit; and

    a heat-dissipating plate sandwiched between said lamp seat and said metal layer of said substrate, and in contact with said heat-conductive casing, wherein heat generated by said lamp unit is dissipated via said metal layer, said heat-dissipating plate, and said heat-conductive casing.

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