Patent ID: 8591067

Claim:
A light source device, comprising: a first diversion pipe, having a first end and a second end opposite to the first end, and having a first air channel; a second diversion pipe, having a first end and a second end opposite to the first end, wherein the first diversion pipe is sleeved by the second diversion pipe, the first end of the first diversion pipe is adjacent to the first end of the second diversion pipe, a second air channel is formed between the first diversion pipe and the second diversion pipe, and an air-flowing direction of the first air channel is parallel and opposite to an air-flowing direction of the second air channel; a light emitting device, connected to the first end of the second diversion pipe, wherein the first air channel and the second air channel are connected at a place where the light emitting device is located; a fan, disposed at the second end of the first diversion pipe; a base connected to the second end of the first diversion pipe and the second end of the second diversion pipe, wherein the fan is located between the first diversion pipe and the base; and a power connection base, connected to a bottom of the base and electrically connected to the light emitting device and the fan, wherein a bottom surface of the power connection base has a first pore, and the first pore is connected to the first air channel, the base has a second pore, and the second pore is connected to the second air channel.