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:
Oct. 11, 2022
Filed:
Mar. 24, 2020
Seiko Epson Corporation, Tokyo, JP;
Masatoshi Yonekubo, Suwa-gun, JP;
Koya Shiratori, Matsumoto, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
A display device according to the present disclosure includes an imaging light generating device configured to emit imaging light, a first diffraction element configured to diffract the imaging light emitted from the imaging light generating device, a second diffraction element configured to diffract the imaging light diffracted by the first diffraction element to form an exit pupil, and an optical filter disposed between the imaging light generating device and the exit pupil, and configured to attenuate a band on a short wavelength side of a peak wavelength of red light included in the imaging light emitted from the imaging light generating device.