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. 31, 2016
Filed:
May. 31, 2013
Leyard Optoelectronic Co., Ltd., Beijing, CN;
Changjun Lu, Beijing, CN;
Zhiyong Liu, Beijing, CN;
LEYARD OPTOELECTRONIC CO., LTD., Beijing, CN;
Abstract
A Light-Emitting Diode (LED) display includes: an LED display panel; and a display driving circuit, including a switching circuit and a control circuit, wherein the switching circuit comprises first and second switching sub-circuits; the first switching sub-circuit includes one or more field effect transistors; the second switching sub-circuit includes one or more field effect transistors; the control circuit includes a power supply control circuit connected with a third end of the switching circuit through a power supply control port. The switching circuit and the control circuit are integrated in the display driving circuit, and the two switching sub-circuits control the power supply of R/G/B LEDs in an LED particle array with M lines and N columns in the LED display panel respectively, so that the effects of small PCB area occupied by the control circuit, simple design, high refresh rate and low power consumption of the LED display are achieved.