Patent ID: 8334641
Filing Date: 2012-12-18
Classification: F21K,F21V,F21Y

Abstract:
1. A lighting device, comprising: a bottom housing having a bottom surface for supporting a lighting module; a middle housing coupled to a top side of the bottom housing, wherein the bottom housing and the middle housing are stacked in tandem without overlapping; a top housing coupled to a top side of the middle housing, wherein the middle housing is disposed between the bottom housing and the top housing; and a lamp head covering a sidewall of the top housing; wherein an air cell is formed in the bottom housing, the air cell communicating with outside of the lighting device via, an air passage and an air entrance port disposed on a sidewall of the bottom housing; and wherein a punctured hole is disposed on a bottom surface of the middle housing, and an air exit port is disposed on a sidewall of the middle housing, thereby the air exit port and the punctured hole communicating with the air cell of the bottom housing.