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:
Nov. 04, 2025
Filed:
Mar. 28, 2023
Seiko Epson Corporation, Tokyo, JP;
Hidefumi Sakata, Azumino, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
A projector according to the present disclosure is a projector configured to project an image on a projection target in a focus-free state, including a first light source device, and a light modulation element configured to modulate light emitted from the first light source device. The first light source device includes a light emitting element configured to emit first light having a first wavelength band, a wavelength conversion member which includes a phosphor, and which is configured to convert the first light emitted from the light emitting element into second light having a second wavelength band, and an exit part which is disposed along a central axis of the wavelength conversion member, and which is configured to emit the second light generated by the wavelength conversion member.