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:
May. 12, 2020
Filed:
Oct. 24, 2018
Beijing Boe Display Technology Co., Ltd., Beijing, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Jituo Tang, Beijing, CN;
Guohuo Su, Beijing, CN;
Shulin Yao, Beijing, CN;
Zhihua Sun, Beijing, CN;
Yinlong Zhang, Beijing, CN;
Xu Zhang, Beijing, CN;
Ning Zhang, Beijing, CN;
Wenpeng Ma, Beijing, CN;
BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., Beijing, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
Abstract
A charge pump, a voltage control method for the charge pump, and a display device are provided. The charge pump includes a voltage output end and a first step-up circuitry. The first step-up circuitry includes a first energy storage unit, a second energy storage unit, a first input control unit, a first voltage application control unit, a first output control unit and a first charging path control unit. The first voltage application control unit is configured to enable a first end of the first energy storage unit to be electrically connected to, or electrically disconnected from, a first voltage end, and enable a first end of the second energy storage unit to be electrically connected to, or electrically disconnected from, a second voltage end.