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Shanghai, CN
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Patents Grants
last 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
Circuits and methods for increasing power factor of switch mode pow...
Patent number
8,964,415
Issue date
Feb 24, 2015
BCD Semiconductor Manufacturing Limited
Yajiang Zhu
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
Patents Applications
last 30 patents
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
CIRCUITS AND METHODS FOR INCREASING POWER FACTOR OF SWITCH MODE POW...
Publication number
20130343095
Publication date
Dec 26, 2013
BCD Semiconductor Manufacturing Co., Ltd.
YAJIANG ZHU
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