Patent · US Active

Light emitting diode driver systems and associated methods of control

US9035566B2 · kind B2 · utility

9Cited by

1References

13Claims

0Family size

Assignee

Monolithic Power Systems, Inc. · US

Inventors

Lei Du · Beijing, CN
Bairen Liu · Chengdu, CN
Kaiwei Yao · San Jose, US
Junming Zhang · Berlin, DE
Yuancheng Ren · Hangzhou City, CN

Key dates

Filing date	Mar 15, 2011
Grant date	May 19, 2015
Priority date	—
Expiry date	Mar 7, 2034

Classification

Technology area (CPC H)Electricity
CPC primaryH05B45/39
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

Light emitting diode (LED) dimming and driver systems and associated methods of control are disclosed herein. In one embodiment, a system comprises a PFC stage and an LED driver stage. The LED driver stage comprises an isolated converter and a controller responsive to a dimming signal to dim LED strings for backlight. The controller also regulates an output current of the isolated converter.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.