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.:

US 10403218 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 03, 2019

Filed:

May. 12, 2016
Applicants:

Boe Technology Group Co., Ltd., Beijing, CN;

Hefei Xinsheng Optoelectronics Technology Co., Ltd., Hefei, CN;

Inventors:

Jian Zhao, Beijing, CN;

Mo Chen, Beijing, CN;

Yudong Liu, Beijing, CN;

Xiong Xiong, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01); G02F 1/133 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3648 (2013.01); G02F 1/13306 (2013.01); G09G 3/3688 (2013.01); G09G 3/3696 (2013.01); G09G 2320/0233 (2013.01); G09G 2320/0276 (2013.01); G09G 2320/0693 (2013.01);
Abstract

A Mura compensation circuit and method, a driving circuit and a display device are provided. The Mura compensation circuit comprises: a vertical Mura compensation unit, for providing a corresponding gamma voltage to a vertical block Mura region and a vertical non-Mura region of a display panel respectively, to compensate for a vertical Mura phenomenon; and/or a horizontal Mura compensation unit, for providing a corresponding gate drive signal and/or a corresponding charging/discharging control signal to a horizontal block Mura region and a horizontal non-Mura region of a display panel respectively, to compensate for a horizontal Mura phenomenon. The Mura compensation circuit can make the different regions of the display panel have the same display effect, and improve reduction of display quality caused by impedance difference at different positions of the display panel, thereby raising the quality of a picture, and can be promoted and applied widely.


Find Patent Forward Citations

Loading…