Patent ID: 9303856
Filing Date: 2016-04-05
CPC Classification: G02B,G02F,H04N

Claim Text:
1. A lighting device, comprising: a chassis including a light exit portion through which light exits; a light source arranged close to an end portion of the chassis; a light guide member arranged closer to a middle area of the chassis than the light source and configured to guide light from the light source toward a light exit portion side; a duct member arranged on a side of the chassis opposite to the light exit portion side and having an air passage therein; and a dissipative light source attachment portion provided to the duct member and including: wherein the duct member includes: wherein the air passage is a space surrounded and defined by the bottom wall, the at least a pair of sidewalls, and the chassis, wherein the duct member includes an inlet for air intake to the air passage and an outlet for air exhaust from the air passage, each of the inlet and the outlet opening to outside along a wall surface of the bottom wall, wherein at least one of the inlet and the outlet is provided in each sidewall of the at least a pair of sidewalls so as to be displaced from each other in a direction along the wall surface of the bottom wall.