Patent ID: 8487517
Filing Date: 2013-07-16
Classification: F21K,F21V,F21Y

Abstract:
1. A lamp, comprising: a housing having an assembling opening and an electrical connection member on two ends thereof, wherein the housing further comprises an inner wall and a portion of the inner wall adjacent to the assembling opening is an air-guiding wall; a heat sink having a base disposed at the assembling opening of the housing, wherein the base plate has at least one partitioning board defining an air channel of the heat sink, each of the at least one partitioning board has first and second ends abutting against the air-guiding wall of the housing, a first air-guiding opening is formed between the air-guiding wall and the at least one partitioning board, and a second air-guiding opening is formed between the air channel and the air-guiding wall; a cooling fan coupled with the heat sink and having an impeller; and a light-emitting module coupled with the base plate of the heat sink.