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. 01, 2022
Filed:
May. 19, 2020
Beijing Boe Display Technology Co., Ltd., Beijing, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Yinlong Zhang, Beijing, CN;
Zhihua Sun, Beijing, CN;
Shulin Yao, Beijing, CN;
Wenpeng Ma, Beijing, CN;
Pengfei Hu, Beijing, CN;
Liangliang Zhao, Beijing, CN;
BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., Beijing, CN;
BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., Beijing, CN;
Abstract
The present disclosure provides a power management device, including an initial voltage input terminal, a power management circuit, and a plurality of gamma correction circuits. The initial voltage input terminal is configured to provide an initial voltage; the power management circuit includes at least one follower amplifier sub-circuit, each follower amplifier sub-circuit is configured to output a corresponding target operating voltage according to the initial voltage, a reference voltage, and a target operating voltage setting parameter; and each gamma correction circuit is configured to output a corresponding gamma correction voltage according to the initial voltage, the reference voltage, and a corresponding gamma parameter. The present disclosure further provides a display device.