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:
Sep. 01, 2026
Filed:
Jul. 21, 2023
Seiko Epson Corporation, Tokyo, JP;
Kosuke Tabayashi, Azumino, JP;
Norikazu Kadotani, Azumino, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
A wavelength conversion device includes a rotating body having a disk-like shape, a wavelength converter disposed in a portion at circumferential edge side of the rotating body so as to form a ring-like shape centering on a rotational axis of the rotating body, and a motor configured to rotate the rotating body, wherein the rotating body includes a vapor chamber, the vapor chamber includes a sealed container configured to contain a working fluid changing in phase between a vapor phase and a liquid phase, the sealed container includes a heat receiver which is arranged in an outer circumferential part of the sealed container, and which is configured to receive heat of the wavelength converter, and a heat dissipater which is arranged at the rotational axis side of the heat receiver, and which is configured to release the heat received by the heat receiver.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile