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. 05, 2020
Filed:
Mar. 06, 2015
Applicant:
Sony Corporation, Tokyo, JP;
Inventor:
Hiroshi Mukawa, Kanagawa, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/01 (2006.01); G09G 5/10 (2006.01); G02B 27/14 (2006.01); G02B 5/32 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0172 (2013.01); G09G 5/10 (2013.01); G02B 27/144 (2013.01); G02B 2027/0118 (2013.01); G02B 2027/0132 (2013.01); G02B 2027/0178 (2013.01); G09G 2320/0626 (2013.01); G09G 2360/144 (2013.01);
Abstract
A display apparatus includes a frame, an image display device, and a dimming device. The frame is mounted onto a head of an observer. The image display device is attached to the frame. The dimming device is configured to adjust the amount of outside light that comes from the outside. Light transmittance of a partial area of the dimming device is changed based on a signal for displaying an image on the image display device.