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.:
Date of Patent:
Apr. 28, 2026
Filed:
Mar. 10, 2023
Seiko Epson Corporation, Tokyo, JP;
Kunihiko Takagi, Okaya, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
A wavelength conversion apparatus includes a base having a first surface, a wavelength converter disposed at a first surface side of the base and configured to convert first light having a first wavelength band into second light having a second wavelength band different from the first wavelength band, the wavelength converter including a light exiting surface which is provided at the side opposite from the base and via which the second light exits, a liquid metal disposed between the base and the wavelength converter, and a first restrictor holding the wavelength converter at the base and restricting a position of the wavelength converter in a first direction along a normal to the light exiting surface.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile