Inventor
LEE CHING-TSAN
TW26 patents
⚠️ This page may combine multiple inventors who share the name “LEE CHING-TSAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LEADTREND TECH CORP
13 patentsUS8044617B2Oct 25, 2011
Motor control circuit and operation method thereof
LEADTREND TECH CORP10 citations83
US9613572B2Apr 4, 2017
Controller and method for dimming light-emitting diodes
LEADTREND TECH CORP2 citations72
US9301364B2Mar 29, 2016
Drivers and driving methods for a LED string, capable of providing LED short protection or avoiding LED flickering
LEADTREND TECH CORP3 citations72
US9974124B2May 15, 2018
LED controllers for dimming at least one LED string
LEADTREND TECH CORP3 citations70
US9774267B2Sep 26, 2017
Power supplies and control methods suitable for sequentially transmitting command bits from secondary side to primary side
LEADTREND TECH CORP2 citations70
US9730283B2Aug 8, 2017
Drivers and driving methods for a LED string, capable of providing LED short protection or avoiding LED flickering
LEADTREND TECH CORP1 citations51
US8823358B2Sep 2, 2014
Calibration apparatus and method thereof, multi-channel driving circuit and current balancing method
LEADTREND TECH CORP0 citations51
US9800135B2Oct 24, 2017
Ripple suppressor
LEADTREND TECH CORP1 citations50
US9215773B2Dec 15, 2015
Control methods and backlight controllers for light dimming
LEADTREND TECH CORP1 citations49
US9408276B2Aug 2, 2016
Short circuit detection circuit and control method thereof
LEADTREND TECH CORP0 citations48
US10571986B2Feb 25, 2020
Power delivery controller applied to a power converter and operation method thereof
LEADTREND TECH CORP0 citations39
US10075082B2Sep 11, 2018
Switching mode power supplies with fast load-transient response
LEADTREND TECH CORP0 citations39
US10186972B2Jan 22, 2019
Controller applied to a secondary side of a power convertor and operation method thereof
LEADTREND TECH CORP0 citations33
LEE CHING-TSAN
7 patentsUS8471605B2Jun 25, 2013
Driving circuit having current balancing functionality
LEE CHING-TSAN8 citations83
US8552710B2Oct 8, 2013
Calibration apparatus and method thereof, multi-channel driving circuit and current balancing method
LEE CHING-TSAN2 citations61
US8860315B2Oct 14, 2014
Integrated circuits, control methods and lighting systems
LEE CHING-TSAN2 citations57
US8829801B2Sep 9, 2014
Power contollers and control methods
LEE CHING-TSAN0 citations50
US8669706B2Mar 11, 2014
Integrated circuits, control methods and lighting systems
LEE CHING-TSAN0 citations50
US8058832B2Nov 15, 2011
Motor driving circuit and method thereof
LEE CHING-TSAN0 citations50
US8581502B2Nov 12, 2013
Circuit for light emitting diodes, related integrated circuit and control method
LEE CHING-TSAN0 citations40
EXCELLIANCE MOS CORP
6 patentsUS10826288B1Nov 3, 2020
Power circuit for reducing inrush current
EXCELLIANCE MOS CORP6 citations72
US10218344B1Feb 26, 2019
Voltage conversion circuit and control circuit thereof
EXCELLIANCE MOS CORP2 citations68
US10186954B1Jan 22, 2019
Voltage converting circuit and control circuit thereof
EXCELLIANCE MOS CORP2 citations68
US10826491B1Nov 3, 2020
Control circuit for load switch
EXCELLIANCE MOS CORP1 citations59
US10693453B1Jun 23, 2020
Power switch circuit
EXCELLIANCE MOS CORP1 citations55
US10892675B2Jan 12, 2021
Voltage converting circuit and control circuit thereof
EXCELLIANCE MOS CORP0 citations49