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:
Jan. 25, 2019
Applicant:
Sharp Kabushiki Kaisha, Sakai, Osaka, JP;
Inventor:
Masafumi Yashiki, Sakai, JP;
Assignee:
SHARP KABUSHIKI KAISHA, Sakai, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/34 (2006.01); G09G 3/36 (2006.01); G02B 6/00 (2006.01); G02F 1/13 (2006.01); G09F 13/18 (2006.01); G09F 19/12 (2006.01); H04N 5/57 (2006.01); H04N 9/77 (2006.01); F21V 8/00 (2006.01); G02F 1/1362 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3413 (2013.01); G02B 6/0068 (2013.01); G02B 6/0073 (2013.01); G02F 1/136286 (2013.01); G09G 3/3607 (2013.01); G09G 2300/0452 (2013.01); G09G 2310/08 (2013.01); G09G 2320/0666 (2013.01);
Abstract
A display device has a light unit including a light source, and a display panel, which the rear surface of the display panel has transmissive. The display device has a first display mode of turning ON the light source and displaying a color image in a display region of the display panel, and a second display mode of turning OFF the light source and displaying a transmitted light image including a transmissive region in the display region. The display device detects whether or not a observer of the display device exists around and switches into the second display mode upon detection of the observer.