Inventor
RYU BEOM-SEON
KR11 patents
⚠️ This page may combine multiple inventors who share the name “RYU BEOM-SEON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RYU BEOM-SEON
5 patentsUS8643289B2Feb 4, 2014
PWM controlling circuit and LED driver circuit having the same
RYU BEOM-SEON7 citations82
US8941327B2Jan 27, 2015
PWM controlling circuit and LED driver circuit having the same
RYU BEOM-SEON6 citations71
US8497726B2Jul 30, 2013
Level shifter
RYU BEOM-SEON6 citations70
US9173260B2Oct 27, 2015
PWM signal generating circuit for DC-DC converter using dimming signal and LED driver circuit using the same in digital PWM method having fixed phase mode
RYU BEOM-SEON2 citations60
US9596723B2Mar 14, 2017
PWM signal generating circuit for DC-DC converter using dimming signal and LED driving circuit having the same in direct digital dimming method
RYU BEOM-SEON0 citations49
MAGNACHIP SEMICONDUCTOR LTD
5 patentsUS9659667B2May 23, 2017
Circuit for reading one time programmable memory
MAGNACHIP SEMICONDUCTOR LTD2 citations70
US9888552B2Feb 6, 2018
Detecting circuit for short of LED array and LED driving apparatus using the same
MAGNACHIP SEMICONDUCTOR LTD0 citations50
US9635746B2Apr 25, 2017
Detecting circuit for open of LED array and LED driver apparatus using the same
MAGNACHIP SEMICONDUCTOR LTD0 citations50
US9521719B2Dec 13, 2016
Circuit for driving lighting apparatus and method thereof
MAGNACHIP SEMICONDUCTOR LTD0 citations48
US10243558B2Mar 26, 2019
Complementary metal-oxide-semiconductor (CMOS) inverter circuit device
MAGNACHIP SEMICONDUCTOR LTD0 citations40