Inventor
CHA SANG HYUN
KR21 patents
⚠️ This page may combine multiple inventors who share the name “CHA SANG HYUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAMSUNG ELECTRO MECH
13 patentsUS9301353B2Mar 29, 2016
Light emitting diode driving apparatus
SAMSUNG ELECTRO MECH14 citations83
US9287777B2Mar 15, 2016
Average current controller, average current control method and buck converter using the average current controller
SAMSUNG ELECTRO MECH2 citations62
US9173265B2Oct 27, 2015
Light emitting diode driving apparatus and light emitting diode lighting apparatus
SAMSUNG ELECTRO MECH3 citations62
US8030991B2Oct 4, 2011
Frequency tuning and direct current offset canceling circuit for continuous-time analog filter with time divided
SAMSUNG ELECTRO MECH3 citations62
US8981658B2Mar 17, 2015
Apparatus for driving light emitting diode
SAMSUNG ELECTRO MECH2 citations61
US9083248B2Jul 14, 2015
PWM control circuit, flyback converter and method for controlling PWM
SAMSUNG ELECTRO MECH0 citations51
US9024531B2May 5, 2015
Apparatus for driving light emitting diode
SAMSUNG ELECTRO MECH0 citations51
US8975927B2Mar 10, 2015
Gate driver
SAMSUNG ELECTRO MECH1 citations51
US8816589B2Aug 26, 2014
Light emitting diode driving apparatus
SAMSUNG ELECTRO MECH0 citations51
US9204506B2Dec 1, 2015
Light emitting diode driving apparatus
SAMSUNG ELECTRO MECH0 citations50
US9066399B2Jun 23, 2015
Illumination driving apparatus for light emitting diode and method thereof
SAMSUNG ELECTRO MECH0 citations41
US8975824B2Mar 10, 2015
PWM driving circuit and PWM driving method
SAMSUNG ELECTRO MECH0 citations41
US9780771B2Oct 3, 2017
Gate driving circuit including constant current sources, and switching apparatus and power supply apparatus having the same
SAMSUNG ELECTRO MECH0 citations38