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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 11280477 B1

PDFFull Text
Date of Patent:
Mar. 22, 2022

Filed:

Nov. 22, 2019

Light source device and lighting device

Applicant:

Kyocera Corporation, Kyoto, JP;

Inventors:

Yoshinori Kubo, Omihachiman, JP;

Kazuyoshi Fujimoto, Yasu, JP;

Assignee:

KYOCERA Corporation, Kyoto, JP;

Attorney:

Procopio Cory Hargreaves and Savitch LLP

Primary Examiner:

Alexander K Garlen

Assistant Examiner:

Colin J Cattanach

Int. Cl.
CPC ...
F21V 9/32 (2018.01); F21V 29/502 (2015.01); F21S 43/16 (2018.01); F21V 9/35 (2018.01); F21V 9/30 (2018.01); F21S 41/176 (2018.01); F21Y 109/00 (2016.01); F21K 9/64 (2016.01);
U.S. Cl.
CPC ...
F21V 9/32 (2018.02); F21V 29/502 (2015.01); F21K 9/64 (2016.08); F21S 41/176 (2018.01); F21S 43/16 (2018.01); F21V 9/30 (2018.02); F21V 9/35 (2018.02); F21Y 2109/00 (2016.08);
Abstract

A light source device of the present disclosure includes a sapphire plate having a first surface and a second surface facing each other, a wavelength conversion material located opposite the first surface of the sapphire plate, and a first excitation light source emitting a first excitation light having directivity to the wavelength conversion material through the second surface, in which an angle between the first surface and the second surface, and a c-axis of sapphire is greater than 80°, and an angle between the c-axis and an optical axis of the first excitation light is 20° or more. A lighting device of the present disclosure includes the light source device and a light guide member.

Find Patent Forward Citations

Kubo, Yoshinori. (2022). Light source device and lighting device (U.S. Patent No. 11280477). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11280477

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

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