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:
Jul. 14, 2026
Filed:
Mar. 16, 2023
Seiko Epson Corporation, Tokyo, JP;
Taku Nakamura, Matsumoto, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
A projection device includes a first dichroic mirror configured to transmit light of a first wavelength and reflect light of a second wavelength, a second dichroic mirror configured to transmit the light of the first wavelength and reflect light of a third wavelength, a first self-luminous display device configured to use the light of the first wavelength to emit first image light, a second self-luminous display device configured to use the light of the second wavelength to emit second image light, a third self-luminous display device including a plurality of third light-emitting elements configured to emit the light of the third wavelength, and a projection optical system configured to project, onto a projection target, image light obtained by being combined by the first dichroic mirror and the second dichroic mirror.