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:
Feb. 10, 2026

Filed:

Jan. 29, 2025
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventors:

Kiyotaka Maruyama, Matsumoto, JP;

Makoto Zakoji, Matsumoto, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/20 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G03B 21/208 (2013.01); G02B 6/0008 (2013.01);
Abstract

A light source apparatus includes a light guide having a side surface extending in a first direction and first and second end surfaces; an angle converter bonded to the first end surface; a base; a substrate on which a light source configured to output light toward the side surface is mounted and which is fixed to the base; and a cover member fixed to the base and configured to accommodate along with the base the angle converter, the base including a first accommodating section configured to accommodate the light guide in a state in which the side surface is exposed, the light guide fixed to the first accommodating section, and a second accommodating section configured to accommodate along with the cover member an accommodated section that is a portion from the angle converter to a portion of the light guide that faces the angle converter, the second accommodating section and the cover member surrounding a circumference of the accommodated section and form an accommodating space configured to accommodate the accommodated section, a portion of the light guide that is fixed to the first accommodating section being a fixed end, and a portion of the light guide that has the first end surface, to which the angle converter is bonded, and faces the angle converter being a free end.


Find Patent Forward Citations

Maruyama, Kiyotaka. (2026). Light source apparatus and projector (U.S. Patent No. 12547061). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12547061

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

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