Lighting device

Lighting device

  • CN 103,542,272 B
  • Filed: 07/13/2012
  • Issued: 11/09/2018
  • Est. Priority Date: 07/13/2012
  • Status: Active Grant
First Claim
Patent Images

1. a kind of lighting device (100), including circuit board (1), which is characterized in that the lighting device (100) further includes:

  • ArrangementThe first side of the circuit board (1) first light source (21) and be associated with the first radiator of the first light source (21)(31);

    And the second light source (22) that is arranged in the second side opposite with first side of the circuit board (1) and attachIn the second radiator (32) of the second light source (22), first radiator (31) surrounds the first light source (21)Arrangement, and second radiator (32) is arranged around the second light source (22), in first radiator (31)It is respectively formed with first through hole (311) and the second through-hole (321), first light with the center of second radiator (32)Source (21) is mounted in the first through hole (311), and the second light source (22) is mounted on second through-hole (321)In, first radiator (31) includes the first matrix (312) and extends from the surface of first matrix (312)Multiple first cooling fins (313), second radiator (32) include the second matrix (322) and from second matrix(322) multiple second cooling fins (323) extended on surface, first cooling fin (313) and second cooling fin(323) it is designed to extend annular peripheral wall from the surface of first matrix (312) and second matrix (322) respectively,The annular peripheral wall is arranged concentrically to each other.

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