Inventor
HU QINGCONG
US14 patents
⚠️ This page may combine multiple inventors who share the name “HU QINGCONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CREE INC
13 patentsUS9791110B2Oct 17, 2017
High efficiency driver circuit with fast response
CREE INC30 citations93
US9730289B1Aug 8, 2017
Solid state light fixtures having ultra-low dimming capabilities and related driver circuits and methods
CREE INC37 citations93
US8853958B2Oct 7, 2014
Driving circuits for solid-state lighting apparatus with high voltage LED components and related methods
CREE INC33 citations92
US9303823B2Apr 5, 2016
SEPIC driver circuit with low input current ripple
CREE INC23 citations91
US10141740B2Nov 27, 2018
Auxiliary supply generation for power converters
CREE INC2 citations72
US9330833B2May 3, 2016
Power supply with low electro-magnetic interference and inductor for power supply with low electro-magnetic interference
CREE INC3 citations72
US9998027B2Jun 12, 2018
Dual mode power supply controller with charge balance multipliers and charge balance multiplier circuits
CREE INC0 citations51
US9509215B2Nov 29, 2016
Dual mode power supply controller with charge balance multipliers and charge balance multiplier circuits
CREE INC1 citations51
US9130465B2Sep 8, 2015
Minimum off time control systems and methods for switching power converters in discontinuous conduction mode
CREE INC0 citations51
US9871522B2Jan 16, 2018
Voltage level shifting circuits for signal levels and/or power supply voltage levels using constant voltage circuit elements, lighting apparatuses and methods of operating the same
CREE INC1 citations50
US10508797B2Dec 17, 2019
Luminaire and connection mechanism for connecting multiple luminaires
CREE INC0 citations41
US9484805B2Nov 1, 2016
Dual mode power supply controller with current regulation
CREE INC0 citations41
US9654010B2May 16, 2017
Power converter circuitry with switching frequency control circuitry
CREE INC0 citations40