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.

Date of Patent:
Jan. 29, 2019

Filed:

Jun. 09, 2015
Applicant:

Sharp Kabushiki Kaisha, Sakai, Osaka, JP;

Inventors:

Yuichi Kita, Sakai, JP;

Yoshiki Nakatani, Sakai, JP;

Iori Aoyama, Sakai, JP;

Takahiro Sasaki, Sakai, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/34 (2006.01); G02F 1/133 (2006.01); G02F 1/1333 (2006.01); G02F 1/1343 (2006.01); G02F 1/1335 (2006.01); G09G 3/20 (2006.01); G09G 3/00 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3413 (2013.01); G02F 1/133 (2013.01); G02F 1/1333 (2013.01); G02F 1/1343 (2013.01); G02F 1/133621 (2013.01); G02F 1/134363 (2013.01); G09G 3/001 (2013.01); G09G 3/2003 (2013.01); G02F 2001/133622 (2013.01); G02F 2001/134372 (2013.01); G02F 2203/01 (2013.01); G02F 2203/64 (2013.01); G02F 2203/66 (2013.01); G09G 2300/0456 (2013.01); G09G 2310/0235 (2013.01); G09G 2320/064 (2013.01); G09G 2380/00 (2013.01);
Abstract

A display device () includes: a display panel () capable of being in a transparent display state where a background scene is viewable through the display panel; a panel light source () that irradiates the display panel with colored light of a plurality of colors in a time division manner; a rear side light source () placed on a rear surface side of the display panel, the rear side light source being capable of emitting colored light of a plurality of colors in a time division manner; and a control circuit that controls emission timings of the colored light from the panel light source and from the rear side light source, wherein the panel light source and the rear side light source are synchronized by the control circuit such that colored light of different colors are not emitted at a same timing.


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