The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 06, 2012
Filed:
Apr. 09, 2010
Tetsuo Shimizu, Matsumoto, JP;
Kaname Nagatani, Matsumoto, JP;
Kunihiko Takagi, Okaya, JP;
Akira Egawa, Shiojiri, JP;
Yuji Takado, Matsumoto, JP;
Satoshi Kinoshita, Shiojiri, JP;
Tetsuo Shimizu, Matsumoto, JP;
Kaname Nagatani, Matsumoto, JP;
Kunihiko Takagi, Okaya, JP;
Akira Egawa, Shiojiri, JP;
Yuji Takado, Matsumoto, JP;
Satoshi Kinoshita, Shiojiri, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A light source device includes a light emitting tube having a light emitting section that emits light, a first sealing section on one side of the light emitting section formed integrally with the light emitting section, and a second sealing section on the other side of the light emitting section formed integrally with the light emitting section. A secondary reflecting mirror having a secondary reflecting surface covers part of a periphery of the light emitting section and reflects light emitted from the light emitting section. A primary reflecting mirror having a primary reflecting surface reflects the light emitted from the light emitting section and the light reflected by the secondary reflecting mirror. The secondary reflecting mirror has a first reference plane defined by a first boundary line as a boundary between the light emitting section and the first sealing section, which does not intersect with the secondary reflecting surface.