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:
Sep. 15, 2015
Filed:
Sep. 25, 2012
Casio Computer Co., Ltd., Tokyo, JP;
Naotsugu Ogura, Hamura, JP;
CASIO COMPUTER CO., LTD., Tokyo, JP;
Abstract
A phosphor device contains phosphor particles for emitting light beams, is shaped like a pyramid or cone and includes first and second faces opposed to each other and having different areas. The first face and the inclined faces have reflection layers configured to reflect light beams emitted from the phosphor particles. The second face a reflection preventing film and is an input face for excitation light and also an output face for the light beams. A first film is provided on the first face and parts of the incline faces, allows passage of excitation light and reflects light beams toward the second face.
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