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:
Jun. 08, 2021
Filed:
Dec. 23, 2019
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventors:
Assignee:
LG Display Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/34 (2006.01); G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3406 (2013.01); G09G 3/3648 (2013.01); G09G 2320/0626 (2013.01);
Abstract
A backlight unit and a display device are provided. The duty or the like of a light source driving signal is adjusted so that a frequency component causing flicker to be visible, among frequency components of luminance appearing in a driving period of low-speed driving mode. Flicker is prevented or reduced in the low-speed driving mode. The display device is driven in the low-speed driving mode to reduce power consumption. The display device is driven at a lower display driving frequency in the low-speed driving mode, thereby improving the efficiency thereof.