Jianhua Duan

Person

Shanghai, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Circuit and method for driving LED lamp with a dimmer
- Patent number 10,462,868
- Issue date Oct 29, 2019
- BCD Semiconductor Manufacturing Limited
- Jianhua Duan
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High power-factor control circuit and power supply
- Patent number 9,431,895
- Issue date Aug 30, 2016
- Shanghai SIM-BCD Semiconductor Manufacturing Co., Ltd.
- Na Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control circuit and system for switch mode power supply
- Patent number 8,923,021
- Issue date Dec 30, 2014
- BCD Semiconductor Manufacturing Co., Ltd.
- Xuegang Ren
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Circuit and method for driving LED lamp with a dimmer
- Patent number 8,878,448
- Issue date Nov 4, 2014
- BCD Semiconductor Manufacturing Limited
- Jianhua Duan
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Power transistor driving circuits and methods for switching mode po...
- Patent number 8,482,943
- Issue date Jul 9, 2013
- BCD Semiconductor Manufacturing Limited
- Jianhua Duan
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
ELECTRONIC DEVICE FOR SHIFTING A VOLTAGE LEVEL
- Publication number 20250047284
- Publication date Feb 6, 2025
- NEXPERIA B.V.
- Menghan Sun
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
LOAD SWITCH AND POWER SYSTEM
- Publication number 20230378950
- Publication date Nov 23, 2023
- Nexperia Technology (Shanghai) Ltd.
- Menghan Sun
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Stator Disc and Axial Flux Permanent Magnet Apparatus
- Publication number 20160336824
- Publication date Nov 17, 2016
- Hubei Haishan Technology Co., Ltd.
- Jianhua DUAN
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
HIGH POWER-FACTOR CONTROL CIRCUIT AND POWER SUPPLY
- Publication number 20160087523
- Publication date Mar 24, 2016
- Shanghai SIM-BCD Semiconductor Manufacturing Co., Ltd.
- NA LIU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CIRCUIT AND METHOD FOR DRIVING LED LAMP WITH A DIMMER
- Publication number 20150015153
- Publication date Jan 15, 2015
- BCD Semiconductor Manufacturing Limited
- Jianhua Duan
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
POWER TRANSISTOR DRIVING CIRCUITS AND METHODS FOR SWITCHING MODE PO...
- Publication number 20130222044
- Publication date Aug 29, 2013
- BCD Semiconductor Manufacturing Limited
- Jianhua Duan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONTROL CIRCUIT AND SYSTEM FOR SWITCH MODE POWER SUPPLY
- Publication number 20130148387
- Publication date Jun 13, 2013
- BCD Semiconductor Manufacturing Limited
- Xuegang Ren
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CIRCUIT AND METHOD FOR DRIVING LED LAMP WITH A DIMMER
- Publication number 20120056548
- Publication date Mar 8, 2012
- BCD Semiconductor Manufacturing Limited
- Jianhua Duan
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
POWER TRANSISTOR DRIVING CIRCUITS AND METHODS FOR SWITCHING MODE PO...
- Publication number 20110122659
- Publication date May 26, 2011
- BCD Semiconductor Manufacturing Limited
- Jianhua Duan
- G05 - CONTROLLING REGULATING

Jianhua Duan

Person

Patents Grantslast 30 patents

Circuit and method for driving LED lamp with a dimmer

High power-factor control circuit and power supply

Control circuit and system for switch mode power supply

Circuit and method for driving LED lamp with a dimmer

Power transistor driving circuits and methods for switching mode po...

Patents Applicationslast 30 patents

ELECTRONIC DEVICE FOR SHIFTING A VOLTAGE LEVEL

LOAD SWITCH AND POWER SYSTEM

Stator Disc and Axial Flux Permanent Magnet Apparatus

HIGH POWER-FACTOR CONTROL CIRCUIT AND POWER SUPPLY

CIRCUIT AND METHOD FOR DRIVING LED LAMP WITH A DIMMER

POWER TRANSISTOR DRIVING CIRCUITS AND METHODS FOR SWITCHING MODE PO...

CONTROL CIRCUIT AND SYSTEM FOR SWITCH MODE POWER SUPPLY

CIRCUIT AND METHOD FOR DRIVING LED LAMP WITH A DIMMER

POWER TRANSISTOR DRIVING CIRCUITS AND METHODS FOR SWITCHING MODE PO...