Patent · US Active

LED driving system and driving method thereof

US8884545B2 · kind B2 · utility

0Cited by

2References

14Claims

0Family size

Assignee

MSTAR SEMICONDUCTOR, INC. · TW

Inventors

Song-Yi Lin · Tangxia, CN
Hsuan-I Pan · Taipei, TW
Hung-I Wang · Changhua City, TW

Key dates

Filing date	Jul 5, 2011
Grant date	Nov 11, 2014
Priority date	—
Expiry date	Jul 25, 2033

Classification

Technology area (CPC H)Electricity
CPC primaryH05B45/38
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A light emitting diode (LED) driving system drives a plurality of LED strings. A plurality of current sources are respectively connected to the plurality of LED strings. A multi-phase control signal generator generates a plurality of multi-phase control signals that respectively maintain turn on or turn off states of the current sources so as to selectively conduct the corresponding LED strings.

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