Inventor
EUM HYUN-CHUL
KR24 patents
⚠️ This page may combine multiple inventors who share the name “EUM HYUN-CHUL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FAIRCHILD KOREA SEMICONDUCTOR LTD
15 patentsUS10362643B2Jul 23, 2019
LED driver circuit and LED driving method
FAIRCHILD KOREA SEMICONDUCTOR LTD34 citations93
US9467137B2Oct 11, 2016
Input current control method, switch control circuit and power supply including the switch control circuit
FAIRCHILD KOREA SEMICONDUCTOR LTD45 citations93
US10004121B2Jun 19, 2018
LED driving device
FAIRCHILD KOREA SEMICONDUCTOR LTD13 citations89
US9800136B2Oct 24, 2017
Active damper and power supply including the same
FAIRCHILD KOREA SEMICONDUCTOR LTD4 citations72
US10291130B2May 14, 2019
System and method for controlling output signal of power converter
FAIRCHILD KOREA SEMICONDUCTOR LTD2 citations71
US10241143B2Mar 26, 2019
Sensing resistor short determiner, switch control circuit including the same and power supply including the switch control circuit
FAIRCHILD KOREA SEMICONDUCTOR LTD3 citations70
US10326370B2Jun 18, 2019
Controlling output voltage for power converter
FAIRCHILD KOREA SEMICONDUCTOR LTD0 citations52
US10541617B2Jan 21, 2020
Overload protection for power converter
FAIRCHILD KOREA SEMICONDUCTOR LTD0 citations51
US10231295B2Mar 12, 2019
Multiple linear regulation
FAIRCHILD KOREA SEMICONDUCTOR LTD0 citations51
US9935538B2Apr 3, 2018
Power factor correction circuit and driving method thereof
FAIRCHILD KOREA SEMICONDUCTOR LTD0 citations51
US9748849B2Aug 29, 2017
Power supply
FAIRCHILD KOREA SEMICONDUCTOR LTD1 citations51
US9647564B2May 9, 2017
Power supply device
FAIRCHILD KOREA SEMICONDUCTOR LTD0 citations51
US9502983B2Nov 22, 2016
Power supply device capable of varying switching frequency according to load condition
FAIRCHILD KOREA SEMICONDUCTOR LTD0 citations51
US9979303B2May 22, 2018
Primary side regulation power supply device
FAIRCHILD KOREA SEMICONDUCTOR LTD0 citations49
US9680455B2Jun 13, 2017
Clamping circuit, power supply device including the same and driving method of power supply device
FAIRCHILD KOREA SEMICONDUCTOR LTD0 citations49
SEMICONDUCTOR COMPONENTS IND LLC
8 patentsUS10880966B2Dec 29, 2020
Multiple linear regulation
SEMICONDUCTOR COMPONENTS IND LLC2 citations72
US10516327B2Dec 24, 2019
System and method for controlling switching device in power converter
SEMICONDUCTOR COMPONENTS IND LLC2 citations66
US11031872B2Jun 8, 2021
Controlling output voltage for power converter
SEMICONDUCTOR COMPONENTS IND LLC0 citations62
US11026310B2Jun 1, 2021
LED driver circuit and LED driving method
SEMICONDUCTOR COMPONENTS IND LLC0 citations62
US11025169B2Jun 1, 2021
Overload protection for power converter
SEMICONDUCTOR COMPONENTS IND LLC0 citations62
US10637350B2Apr 28, 2020
Power factor correction circuit and driving method thereof
SEMICONDUCTOR COMPONENTS IND LLC0 citations51
US10826399B2Nov 3, 2020
System and method for controlling output signal of power converter
SEMICONDUCTOR COMPONENTS IND LLC0 citations50
US10530259B2Jan 7, 2020
LED driving device
SEMICONDUCTOR COMPONENTS IND LLC0 citations49