Inventor
CHENG YING-CHANG
TW12 patents
Patents
12 patentsUS7786676B2Aug 31, 2010
LED driver structure
ZIPPY TECH CORP8 citations80
US7719202B2May 18, 2010
Light emitting diode driving circuit
ZIPPY TECH CORP15 citations80
US7598940B2Oct 6, 2009
Inverter for boosting rotational image displaying gain
ZIPPY TECH CORP5 citations62
US7688556B2Mar 30, 2010
Arc-discharge detection device
ZIPPY TECH CORP2 citations61
US7436128B2Oct 14, 2008
Driving circuit for hot cathode fluorescent lamps
ZIPPY TECH CORP3 citations61
US7558086B2Jul 7, 2009
Inverter control circuit with a resonant frequency modulation function
ZIPPY TECH CORP2 citations60
US7271551B1Sep 18, 2007
Driver protection circuit for a push-pull type discharge lamp
ZIPPY TECH CORP4 citations60
US7489085B2Feb 10, 2009
Backlight module actuation method
ZIPPY TECH CORP0 citations51
US7633244B2Dec 15, 2009
Method for dimming multiple lamps
ZIPPY TECH CORP0 citations50
US7747891B2Jun 29, 2010
Inverter control circuit
ZIPPY TECH CORP0 citations40
US7545105B2Jun 9, 2009
Driving circuit for piezoelectric lamps
ZIPPY TECH CORP0 citations40
US7974065B2Jul 5, 2011
Electric arc isolation structure for transformers
ZIPPY TECH CORP0 citations39