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:
May. 26, 2020
Filed:
Feb. 09, 2018
Sony Corporation, Tokyo, JP;
Akio Machida, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A display apparatus includes a frame mounted on an observer's head, an image display device attached to the frame and a dimming device, the image display device includes an image forming device and an optical devicehaving a virtual image forming regionwhere a virtual image is formed on the basis of light emitted from the image forming device, the optical deviceoverlaps with a portion of the dimming device, at the time of operation of the dimming device, a light blocking ratio of the dimming deviceis changed over a range of from an upper regionU to a lower regionD and/or over a range of from an inner regionC to an outer regionS, and a virtual image forming region facing regionhas a light blocking ratio higher than the light blocking ratio of the lower regionD or the outer regionS.