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.

Date of Patent:
Jan. 11, 2022

Filed:

Nov. 12, 2018
Applicant:

Maxell, Ltd., Kyoto, JP;

Inventors:

Masatoshi Arai, Kyoto, JP;

Hiroshi Shiina, Kyoto, JP;

Kentaro Sano, Kyoto, JP;

Assignee:

MAXELL, LTD., Kyoto, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 26/00 (2006.01); G03B 21/16 (2006.01); G03B 21/20 (2006.01);
U.S. Cl.
CPC ...
G03B 21/204 (2013.01); G02B 26/008 (2013.01); G03B 21/16 (2013.01); G03B 21/208 (2013.01);
Abstract

A light source device comprises: an excitation light source configured to generate excitation light; a wavelength conversion member including a base and a phosphor layer which is provided on the base and configured to convert the excitation light into fluorescence; and a converging optical system including a converging lens for converging the excitation light on the phosphor layer, wherein the light source device further comprises a housing for accommodating the wavelength conversion member, the excitation light source is provided outside the housing, a wall surface of the housing includes a lens hole into which the converging lens is inserted, and the converging lens which is inserted into the lens hole and the wall surface of the housing isolate an internal space of the housing from an outer space of the housing.


Find Patent Forward Citations

Arai, Masatoshi. (2022). Light source device, projector, and lighting device (U.S. Patent No. 11221552). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11221552

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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