Patent ID: 7213928
Filing Date: 2007-05-08
Classification: F21V,G02B,H04N

Abstract:
1. A light source device, comprising: a light-emitting tube having a light-emitting portion that discharges electricity between electrodes and emits a light beam, and sealing sections provided on both ends of the light-emitting portion; a reflector that aligns and irradiates the light beam radiated by the light-emitting tube in a predetermined direction; and a sub-reflection mirror of which reflection surface opposes to a reflection surface of the reflector and reflects the light beam radiated by the light-emitting portion of the light-emitting tube toward the reflector, the sub-reflection mirror has an insertion hole in which the sealing section is inserted and at least one cutting portion, an inner circumference of the insertion hole being bonded to the sealing section by an adhesive in a condition that the sealing section is inserted in the insertion hole; and the at least one cutting portion and a portion bonded by the adhesive are at least partially overlapped.