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:
Mar. 24, 2026
Filed:
Jun. 28, 2023
Seiko Epson Corporation, Tokyo, JP;
Kunihiko Takagi, Okaya, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
A wavelength conversion apparatus according to an aspect of the present disclosure includes a wavelength converter that converts first light emitted from a light source and having a first wavelength band into second light having a second wavelength band different from the first wavelength band, a base to which the wavelength converter is fixed, a light collector that causes the first light emitted from the light source to enter the wavelength converter, a holding part that holds the light collector, a rotary driver that rotates the holding part around an axis of rotation, and a support part that is fixed to the base and rotatably supports the holding part, the optical axis of the light collector is separated from the axis of rotation of the holding part, the optical axis of rotation of the holding part is parallel to the axis of rotation of the holding part.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile