Qingcong Hu

Person

Morrisville, NC, US

People

Patents Grantslast 30 patents

Information Patent Grant
Auxiliary supply generation for power converters
- Patent number 10,141,740
- Issue date Nov 27, 2018
- Cree, Inc.
- Qingcong Hu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Dual mode power supply controller with charge balance multipliers a...
- Patent number 9,998,027
- Issue date Jun 12, 2018
- Cree, Inc.
- Michael Walters
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Voltage level shifting circuits for signal levels and/or power supp...
- Patent number 9,871,522
- Issue date Jan 16, 2018
- Cree, Inc.
- Qingcong Hu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High efficiency driver circuit with fast response
- Patent number 9,791,110
- Issue date Oct 17, 2017
- Cree, Inc.
- Yuequan Hu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Solid state light fixtures having ultra-low dimming capabilities an...
- Patent number 9,730,289
- Issue date Aug 8, 2017
- Cree, Inc.
- Yuequan Hu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Power converter circuitry with switching frequency control circuitry
- Patent number 9,654,010
- Issue date May 16, 2017
- Cree, Inc.
- Qingcong Hu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Dual mode power supply controller with charge balance multipliers a...
- Patent number 9,509,215
- Issue date Nov 29, 2016
- Cree, Inc.
- Michael Walters
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Dual mode power supply controller with current regulation
- Patent number 9,484,805
- Issue date Nov 1, 2016
- Cree, Inc.
- Michael Walters
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply with low electro-magnetic interference and inductor fo...
- Patent number 9,330,833
- Issue date May 3, 2016
- Cree, Inc.
- Yuequan Hu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
SEPIC driver circuit with low input current ripple
- Patent number 9,303,823
- Issue date Apr 5, 2016
- Cree, Inc.
- Qingcong Hu
- F21 - LIGHTING
Information Patent Grant
Minimum off time control systems and methods for switching power co...
- Patent number 9,130,465
- Issue date Sep 8, 2015
- Cree, Inc.
- Qingcong Hu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Driving circuits for solid-state lighting apparatus with high volta...
- Patent number 8,853,958
- Issue date Oct 7, 2014
- Cree, Inc.
- Praneet Athalye
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Driver circuits for dimmable solid state lighting apparatus
- Patent number 8,810,144
- Issue date Aug 19, 2014
- Cree, Inc.
- Qingcong Hu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
A LUMINAIRE AND CONNECTION MECHANISM FOR CONNECTING MULTIPLE LUMINA...
- Publication number 20180172246
- Publication date Jun 21, 2018
- Cree, Inc.
- Donald Walker
- F21 - LIGHTING
Information Patent Application
AUXILIARY SUPPLY GENERATION FOR POWER CONVERTERS
- Publication number 20170373496
- Publication date Dec 28, 2017
- Cree, Inc.
- Qingcong Hu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SOLID STATE LIGHT FIXTURES HAVING ULTRA-LOW DIMMING CAPABILITIES AN...
- Publication number 20170231045
- Publication date Aug 10, 2017
- Cree, Inc.
- Yuequan Hu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DUAL MODE POWER SUPPLY CONTROLLER WITH CHARGE BALANCE MULTIPLIERS A...
- Publication number 20170077833
- Publication date Mar 16, 2017
- Cree, Inc.
- Michael Walters
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
VOLTAGE LEVEL SHIFTING CIRCUITS FOR SIGNAL LEVELS AND/OR POWER SUPP...
- Publication number 20160322972
- Publication date Nov 3, 2016
- Cree, Inc.
- Qingcong Hu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
POWER CONVERTER CIRCUITRY WITH SWITCHING FREQUENCY CONTROL CIRCUITRY
- Publication number 20160156269
- Publication date Jun 2, 2016
- Cree, Inc.
- Qingcong Hu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
HIGH EFFICIENCY DRIVER CIRCUIT WITH FAST RESPONSE
- Publication number 20150312983
- Publication date Oct 29, 2015
- Cree, Inc.
- Yuequan Hu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
SEPIC DRIVER CIRCUIT WITH LOW INPUT CURRENT RIPPLE
- Publication number 20150312974
- Publication date Oct 29, 2015
- Cree, Inc.
- Qingcong Hu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
MINIMUM OFF TIME CONTROL SYSTEMS AND METHODS FOR SWITCHING POWER CO...
- Publication number 20150123565
- Publication date May 7, 2015
- Cree, Inc.
- Qingcong Hu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MULTIPLE POWER OUTPUTS GENERATED FROM A SINGLE CURRENT SOURCE
- Publication number 20140265885
- Publication date Sep 18, 2014
- Cree, Inc.
- QINGCONG HU
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
POWER SUPPLY WITH LOW ELECTRO-MAGNETIC INTERFERENCE AND INDUCTOR FO...
- Publication number 20140218987
- Publication date Aug 7, 2014
- Cree, Inc.
- Yuequan Hu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Dual Mode Power Supply Controller with Current Regulation
- Publication number 20140119078
- Publication date May 1, 2014
- Cree, Inc.
- Michael Walters
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Dual Mode Power Supply Controller with Charge Balance Multipliers a...
- Publication number 20140117964
- Publication date May 1, 2014
- Cree, Inc.
- Michael Walters
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DRIVER CIRCUITS FOR DIMMABLE SOLID STATE LIGHTING APPARATUS
- Publication number 20130293135
- Publication date Nov 7, 2013
- Qingcong Hu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Driving Circuits for Solid-State Lighting Apparatus With High Volta...
- Publication number 20130127353
- Publication date May 23, 2013
- Praneet Athalye
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Qingcong Hu

Person

Patents Grantslast 30 patents

Auxiliary supply generation for power converters

Dual mode power supply controller with charge balance multipliers a...

Voltage level shifting circuits for signal levels and/or power supp...

High efficiency driver circuit with fast response

Solid state light fixtures having ultra-low dimming capabilities an...

Power converter circuitry with switching frequency control circuitry

Dual mode power supply controller with charge balance multipliers a...

Dual mode power supply controller with current regulation

Power supply with low electro-magnetic interference and inductor fo...

SEPIC driver circuit with low input current ripple

Minimum off time control systems and methods for switching power co...

Driving circuits for solid-state lighting apparatus with high volta...

Driver circuits for dimmable solid state lighting apparatus

Patents Applicationslast 30 patents

A LUMINAIRE AND CONNECTION MECHANISM FOR CONNECTING MULTIPLE LUMINA...

AUXILIARY SUPPLY GENERATION FOR POWER CONVERTERS

SOLID STATE LIGHT FIXTURES HAVING ULTRA-LOW DIMMING CAPABILITIES AN...

DUAL MODE POWER SUPPLY CONTROLLER WITH CHARGE BALANCE MULTIPLIERS A...

VOLTAGE LEVEL SHIFTING CIRCUITS FOR SIGNAL LEVELS AND/OR POWER SUPP...

POWER CONVERTER CIRCUITRY WITH SWITCHING FREQUENCY CONTROL CIRCUITRY

HIGH EFFICIENCY DRIVER CIRCUIT WITH FAST RESPONSE

SEPIC DRIVER CIRCUIT WITH LOW INPUT CURRENT RIPPLE

MINIMUM OFF TIME CONTROL SYSTEMS AND METHODS FOR SWITCHING POWER CO...

MULTIPLE POWER OUTPUTS GENERATED FROM A SINGLE CURRENT SOURCE

POWER SUPPLY WITH LOW ELECTRO-MAGNETIC INTERFERENCE AND INDUCTOR FO...

Dual Mode Power Supply Controller with Current Regulation

Dual Mode Power Supply Controller with Charge Balance Multipliers a...

DRIVER CIRCUITS FOR DIMMABLE SOLID STATE LIGHTING APPARATUS

Driving Circuits for Solid-State Lighting Apparatus With High Volta...