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:
Oct. 08, 2019
Filed:
Sep. 29, 2017
Boe Technology Group Co., Ltd., Beijing, CN;
Beijing Boe Display Technology Co., Ltd., Beijing, CN;
Jianming Wang, Beijing, CN;
Liugang Zhou, Beijing, CN;
Shou Li, Beijing, CN;
Luqiang Guo, Beijing, CN;
Jian Zhang, Beijing, CN;
Chao Zhang, Beijing, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., Beijing, CN;
Abstract
Provided are voltage compensation circuit, voltage compensation method thereof, display panel and display apparatus. The voltage compensation circuit includes counting unit, voltage generation unit, compensation voltage output unit and power supply unit; the counting unit is connected with timing control unit of a display panel and the voltage generation unit, and configured to count rising edges output from the timing control unit and output corresponding control signal based on the counted number of rising edges; the voltage generation unit is connected with the compensation voltage output unit and configured to output corresponding control voltage based on the control signal output from the counting unit; the compensation voltage output unit is connected with feedback terminal and voltage output terminal of the power supply unit and low level terminal, and configured to output corresponding compensation voltage to the voltage output terminal based on the control voltage output from the voltage generation unit.