Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shinichi Ushijima0
Toshitaka Fujii0
Atsuji Nakagawa0
Date of Patent
January 20, 2009
0Patent Application Number
115604080
Date Filed
November 16, 2006
0Patent Primary Examiner
Patent abstract
To prevent scattering of broken pieces of a reflecting mirror even if a high pressure discharge lamp with a reflector bursts. A light source device according to the present invention is a light source device 10 that has an arc tube 1 and a reflector 2, and a cover glass 4 is externally fitted and fixed to the rear of the reflector 2 at opposite ends thereof with a gap S therebetween. With such a configuration, even if the arc tube bursts to cause a crack in the reflector, the cover glass prevents scattering of the broken pieces of the reflector.
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