Patent ID: 8985779
Filing Date: 2015-03-24
Classification: F21S,F21V,F21Y,G03B

Abstract:
1. A LED light source box comprising: a case including a body and a cover to hermetically seal an opening of the body; a light source unit including a LED light source and a holder on which the LED light source is mounted; a cooling unit including a first cooling member in contact with the holder of the light source unit, and a second cooling member in contact with the first cooling member, wherein the holder is fixed to the cover by a fixing member in a state where the cooling unit is sandwiched between the holder and the cover; a heat insulation member disposed between the holder and the fixing member; and a gap between an outer peripheral surface of the holder and an inner peripheral surface of the body, wherein the fixing member comprises a screw inserted into a screw hole formed in the cover through a hole bored in the holder; and the heat insulation member has a cylindrical part located between a shaft of the screw and an inner peripheral surface of the hole, and a flange part located between a head of the screw and the surroundings of the hole.