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:
Feb. 04, 2025
Filed:
Dec. 31, 2020
Applicant:
Tcl China Star Optoelectronics Technology Co., Ltd., Shenzhen, CN;
Inventor:
Yan Li, Shenzhen, CN;
Assignee:
TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., Shenzhen, CN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01); G09G 3/34 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3688 (2013.01); G09G 3/3413 (2013.01); G09G 3/3677 (2013.01); G09G 2320/0626 (2013.01);
Abstract
The present application provides a pixel driving circuit and a display device. The pixel driving circuit includes a scanning signal line and a data signal line. A pixel driving circuit unit includes at least two cascaded units, wherein the pixel driving circuit unit is configured to change a connection number of cascaded units that are connected to the data signal line and a light emitting diode, to adjust a brightness of the light emitting diode so as to effectively improve gray level of displayed picture and display quality.