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:
Jul. 20, 2021
Filed:
May. 16, 2019
Applicants:
Chengdu Boe Optoelectronics Technology Co., Ltd., Sichuan, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Inventors:
Assignees:
Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/3258 (2016.01); G09G 3/20 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3258 (2013.01); G09G 3/2007 (2013.01); G09G 2320/0233 (2013.01);
Abstract
The invention provides a regulating device and a regulating method for a gray scale voltage, and a display device. The regulating device includes a voltage dividing circuit configured to generate a gray scale voltage according to a first input voltage and a second input voltage; a first voltage regulator configured to regulate a first fixed voltage to output the first input voltage, such that the voltage dividing circuit can generate a predetermined number of gray scale steps for all display brightness.