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:
Nov. 02, 2021
Filed:
Sep. 12, 2017
Applicant:
Sharp Kabushiki Kaisha, Sakai, JP;
Inventor:
Tsuyoshi Ozeki, Sakai, JP;
Assignee:
SHARP KABUSHIKI KAISHA, Sakai, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/34 (2006.01); G09G 3/36 (2006.01); G02F 1/133 (2006.01); H05B 47/10 (2020.01); H05B 45/18 (2020.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133 (2013.01); G02F 1/133612 (2021.01); G09G 3/3426 (2013.01); G09G 3/36 (2013.01); H05B 45/18 (2020.01); H05B 47/10 (2020.01); G09G 2320/041 (2013.01); G09G 2320/045 (2013.01); G09G 2320/064 (2013.01); G09G 2320/0646 (2013.01);
Abstract
Reduction of luminance is suppressed while effectively suppressing temperature rising of an LED of a backlight and a peripheral circuit. A backlight driving control unit () of a control device () included in a liquid crystal display device () according to an aspect of the invention increases and reduces, on the basis of two thresholds, power supplied to a backlight, and makes a time during which the power supplied to the backlight () is reduced longer than a time during which the power supplied to the backlight () is increased.