Title:
INTEGRATED HYBRID-TYPE LED DRIVER
Document Type and Number:
WIPO Patent Application WO/2017/202380
Kind Code:
A1
Abstract:
A light-emitting diode (LED) driver includes: a plurality of switches corresponding to a plurality of LEDs; and a controller, configured to switch between operating the LED driver in a linear mode and in a switching mode such that the LED driver is operated in the linear mode when an input voltage is relatively close to an LED voltage level and the LED driver is operated in the switching mode when the input voltage is relatively farther from the LED voltage.
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Inventors:
LI LISONG (CN)
MOK KWOK TAI (CN)
GAO YUAN (CN)
MOK KWOK TAI (CN)
GAO YUAN (CN)
Application Number:
PCT/CN2017/086104
Publication Date:
November 30, 2017
Filing Date:
May 26, 2017
Export Citation:
Assignee:
UNIV HONG KONG SCI & TECH (CN)
International Classes:
H05B37/02
Foreign References:
| CN101483951A | 2009-07-15 | |||
| CN102812780A | 2012-12-05 | |||
| CN102668701A | 2012-09-12 | |||
| CN101427606A | 2009-05-06 | |||
| CN1914575A | 2007-02-14 | |||
| US20080018261A1 | 2008-01-24 |
Attorney, Agent or Firm:
TEE & HOWE INTELLECTUAL PROPERTY ATTORNEYS (CN)
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