| 摘要 |
PURPOSE: A cooling device for an LED lamp is provided to minimize the change amount of pressure inside an LED lamp by deforming a buffer member according to the ascending and descending of pressure inside an LED lamp. CONSTITUTION: A metal member is inserted into a water pipe(10). The both ends of the water pipe are sealed up. Refrigerant is filled in the space between the metal member and the water pipe. A first pipe bonding groove is arranged in the rearward of an LED lamp. The water pipe is combined in the first pipe bonding groove. An attachment unit supports the rearward of the LED lamp(30). The LED lamp and the attachment unit are adhered closely to the outer peripheral surface of the water pipe. |
