Patent ID: 7230382
Filing Date: 2007-06-12
Classification: F21V,H01J

Abstract:
1. A lamp with a reflector, comprising: a high pressure discharge lamp including a luminous bulb with a luminous substance enclosed therein and a pair of sealing portions extending from the luminous bulb; and a reflector for reflecting light emitted from the high pressure discharge lamp, wherein the reflector has a first opening located in a forward position of the reflector with respect to a light emission direction, the reflector is formed with a second opening into which one of the pair of sealing portions is inserted, and clearance between the one said sealing portion and the second opening is substantially filled, at least one of the pair of sealing portions includes a first glass portion extending from the luminous bulb and a second glass portion provided in at least a portion of the inside of the first glass portion, and the at least one said sealing portion has a portion to which a compressive stress is applied, and when the pair of sealing portions are disposed to extend in the substantially horizontal direction, a part of a region of the reflector located below the sealing portion is formed with an air inlet for introducing an air flow striking against an upper portion of the luminous bulb and then coming into a lower portion of the luminous bulb.