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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.:

US 9335619 B1

PDFFull Text
Date of Patent:
May. 10, 2016

Filed:

Sep. 15, 2014

Luminescent light emitting device having luminescent material plate that is caused to be luminous by excitation light source and projector including same luminescent light emitting device

Applicant:

Casio Computer Co., Ltd., Shibuya-ku, Tokyo, JP;

Inventor:

Naotsugu Ogura, Hamura, JP;

Assignee:

CASIO COMPUTER CO., LTD., Tokyo, JP;

Attorney:

Holtz, Holtz & Volek PC

Primary Examiner:

William C Dowling

Int. Cl.
CPC ...
F21V 9/10 (2006.01); G03B 21/20 (2006.01); F21V 13/08 (2006.01); F21V 13/02 (2006.01);
U.S. Cl.
CPC ...
G03B 21/2086 (2013.01); F21V 9/10 (2013.01); F21V 13/02 (2013.01); F21V 13/08 (2013.01); G03B 21/204 (2013.01);
Abstract

There is provided a luminescent light emitting device including a mirror layer, a luminescent material plate that is formed on one surface side of the mirror layer, and a conductive thin wire film in which a conductive thin wire is disposed and that lies on the other surface side of the mirror layer, in that luminescent light that is emitted by the luminescent material plate is emitted to the front that is one surface side of the luminescent material plate by the mirror layer, and damage done to the luminescent material plate is detected by a disconnection of the conductive thin wire.

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Ogura, Naotsugu. (2016). Luminescent light emitting device having luminescent material plate that is caused to be luminous by excitation light source and projector including same luminescent light emitting device (U.S. Patent No. 9335619). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9335619

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