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:
Sep. 15, 2026

Filed:

Nov. 09, 2023
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventor:

Nobuo Sugiyama, Azumino, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/16 (2006.01); G03B 21/14 (2006.01); G03B 21/20 (2006.01);
U.S. Cl.
CPC ...
G03B 21/16 (2013.01); G03B 21/145 (2013.01); G03B 21/204 (2013.01);
Abstract

A light source device according to the present disclosure includes a light emitting element, a substrate having a first surface and a second surface, a wavelength conversion member which includes a phosphor, a support member having a third surface having contact with the first surface of the substrate, and a fourth surface located at an opposite side to the third surface, and configured to support the wavelength conversion member, a fixation member configured to fix the support member to the substrate, and a spacer member having contact with each of the substrate and the wavelength conversion member to hold the light emitting element and the wavelength conversion member at positions separated from each other. The fixation member is configured including an elastic member, and is configured to fix the support member to the substrate in a state of pressing the third surface toward the first surface.


Find Patent Forward Citations

Sugiyama, Nobuo. (2026). Light source device and projector (U.S. Patent No. 12736862). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12736862

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

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