Hyun-Chul Eum

Person

Seoul, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Controlling output voltage for power converter
- Patent number 11,031,872
- Issue date Jun 8, 2021
- Semiconductor Components Industries, LLC
- Hyun-Chul Eum
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Overload protection for power converter
- Patent number 11,025,169
- Issue date Jun 1, 2021
- Semiconductor Components Industries, LLC
- Hyun-Chul Eum
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
LED driver circuit and LED driving method
- Patent number 11,026,310
- Issue date Jun 1, 2021
- Semiconductor Components Industries, LLC
- Young-Jong Kim
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Multiple linear regulation
- Patent number 10,880,966
- Issue date Dec 29, 2020
- Semiconductor Components Industries, LLC
- Hyun-Chul Eum
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
System and method for controlling output signal of power converter
- Patent number 10,826,399
- Issue date Nov 3, 2020
- Semiconductor Components Industries, LLC
- Hyun-Chul Eum
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power factor correction circuit and driving method thereof
- Patent number 10,637,350
- Issue date Apr 28, 2020
- Semiconductor Components Industries, LLC
- Hyun-Chul Eum
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Overload protection for power converter
- Patent number 10,541,617
- Issue date Jan 21, 2020
- Semiconductor Components Industries, LLC
- Hyun-Chul Eum
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
LED driving device
- Patent number 10,530,259
- Issue date Jan 7, 2020
- Semiconductor Components Industries, LLC
- Hyun-Chul Eum
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System and method for controlling switching device in power converter
- Patent number 10,516,327
- Issue date Dec 24, 2019
- Semiconductor Components Industries, LLC
- Seung-Uk Yang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
LED driver circuit and LED driving method
- Patent number 10,362,643
- Issue date Jul 23, 2019
- Semiconductor Components Industries, LLC
- Young-Jong Kim
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Controlling output voltage for power converter
- Patent number 10,326,370
- Issue date Jun 18, 2019
- Semiconductor Components Industries, LLC
- Hyun-Chul Eum
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
System and method for controlling output signal of power converter
- Patent number 10,291,130
- Issue date May 14, 2019
- Semiconductor Components Industries, LLC
- Hyun-Chul Eum
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Sensing resistor short determiner, switch control circuit including...
- Patent number 10,241,143
- Issue date Mar 26, 2019
- Semiconductor Components Industries, LLC
- In-Ki Park
- G01 - MEASURING TESTING
Information Patent Grant
Multiple linear regulation
- Patent number 10,231,295
- Issue date Mar 12, 2019
- Semiconductor Components Industries, LLC
- Hyun-Chul Eum
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
LED driving device
- Patent number 10,004,121
- Issue date Jun 19, 2018
- Semiconductor Components Industries, LLC
- Hyun-Chul Eum
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Primary side regulation power supply device
- Patent number 9,979,303
- Issue date May 22, 2018
- Semiconductor Components Industries, LLC
- Hyun-Chul Eum
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power factor correction circuit and driving method thereof
- Patent number 9,935,538
- Issue date Apr 3, 2018
- Semiconductor Components Industries, LLC
- Hyun-Chul Eum
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Active damper and power supply including the same
- Patent number 9,800,136
- Issue date Oct 24, 2017
- Fairchild Korea Semiconductor Ltd.
- Hyun-Chul Eum
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply
- Patent number 9,748,849
- Issue date Aug 29, 2017
- Fairchild Korea Semiconductor Ltd.
- Hyun-Chul Eum
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Clamping circuit, power supply device including the same and drivin...
- Patent number 9,680,455
- Issue date Jun 13, 2017
- Fairchild Korea Semiconductor Ltd.
- In-Ki Park
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power supply device
- Patent number 9,647,564
- Issue date May 9, 2017
- Fairchild Korea Semiconductor Ltd.
- Hyun-Chul Eum
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply device capable of varying switching frequency accordin...
- Patent number 9,502,983
- Issue date Nov 22, 2016
- Fairchild Korea Semiconductor Ltd.
- Kyung-Oun Jang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Input current control method, switch control circuit and power supp...
- Patent number 9,467,137
- Issue date Oct 11, 2016
- Fairchild Korea Semiconductor Ltd.
- Hyun-Chul Eum
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switch control device, power supply device comprising the same, and...
- Patent number 9,362,843
- Issue date Jun 7, 2016
- Fairchild Korea Semiconductor Ltd.
- Hyun-Chul Eum
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
OVERLOAD PROTECTION FOR POWER CONVERTER
- Publication number 20200119651
- Publication date Apr 16, 2020
- Semiconductor Components Industries, LLC
- Hyun-Chul EUM
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
LED DRIVER CIRCUIT AND LED DRIVING METHOD
- Publication number 20190297694
- Publication date Sep 26, 2019
- Semiconductor Components Industries, LLC
- Young-Jong KIM
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
CONTROLLING OUTPUT VOLTAGE FOR POWER CONVERTER
- Publication number 20190260296
- Publication date Aug 22, 2019
- Semiconductor Components Industries, LLC
- Hyun-Chul EUM
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SYSTEM AND METHOD FOR CONTROLLING OUTPUT SIGNAL OF POWER CONVERTER
- Publication number 20190252984
- Publication date Aug 15, 2019
- Semiconductor Components Industries, LLC
- Hyun-Chul EUM
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SENSING RESISTOR SHORT DETERMINER, SWITCH CONTROL CIRCUIT INCLUDING...
- Publication number 20190170803
- Publication date Jun 6, 2019
- Semiconductor Components Industries, LLC
- In-Ki PARK
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
MULTIPLE LINEAR REGULATION
- Publication number 20190037655
- Publication date Jan 31, 2019
- Semiconductor Components Industries, LLC
- Hyun-Chul EUM
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
SYSTEM AND METHOD FOR CONTROLLING SWITCHING DEVICE IN POWER CONVERTER
- Publication number 20190028016
- Publication date Jan 24, 2019
- Semiconductor Components Industries, LLC
- Seung-Uk YANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LED DRIVING DEVICE
- Publication number 20180278165
- Publication date Sep 27, 2018
- Semiconductor Components Industries, LLC
- Hyun-Chul EUM
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
POWER FACTOR CORRECTION CIRCUIT AND DRIVING METHOD THEREOF
- Publication number 20180183326
- Publication date Jun 28, 2018
- Semiconductor Components Industries, LLC
- Hyun-Chul EUM
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
LED DRIVER CIRCUIT AND LED DRIVING METHOD
- Publication number 20180014369
- Publication date Jan 11, 2018
- FAIRCHILD KOREA SEMICONDUCTOR LTD.
- Young-Jong KIM
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LED DRIVING DEVICE
- Publication number 20170354008
- Publication date Dec 7, 2017
- Fairchild Korea Semiconductor, Ltd.
- Hyun-Chul EUM
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
SYSTEM AND METHOD FOR CONTROLLING OUTPUT SIGNAL OF POWER CONVERTER
- Publication number 20170353167
- Publication date Dec 7, 2017
- Fairchild Korea Semiconductor, Ltd.
- Hyun-Chul EUM
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
OVERLOAD PROTECTION FOR POWER CONVERTER
- Publication number 20170353103
- Publication date Dec 7, 2017
- Fairchild Korea Semiconductor, Ltd.
- Hyun-Chul EUM
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MULTIPLE LINEAR REGULATION
- Publication number 20170354002
- Publication date Dec 7, 2017
- Fairchild Korea Semiconductor, Ltd.
- Hyun-Chul EUM
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
CONTROLLING OUTPUT VOLTAGE FOR POWER CONVERTER
- Publication number 20170353112
- Publication date Dec 7, 2017
- Fairchild Korea Semiconductor, Ltd.
- Hyun-Chul EUM
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER FACTOR CORRECTION CIRCUIT AND DRIVING METHOD THEREOF
- Publication number 20160285359
- Publication date Sep 29, 2016
- Fairchild Korea Semiconductor Ltd.
- Hyun-Chul EUM
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER SUPPLY DEVICE
- Publication number 20160006360
- Publication date Jan 7, 2016
- Fairchild Korea Semiconductor Ltd.
- Hyun-Chul EUM
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER SUPPLY DEVICE
- Publication number 20150280581
- Publication date Oct 1, 2015
- FAIRCHILD KOREA SEMICOUNDUCTOR LTD.
- Kyung-Oun JANG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PRIMARY SIDE REGULATION POWER SUPPLY DEVICE
- Publication number 20150207418
- Publication date Jul 23, 2015
- Fairchild Korea Semiconductor Ltd.
- Hyun-Chul EUM
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SENSING RESISTOR SHORT DETERMINER, SWITCH CONTROL CIRCUIT INCLUDING...
- Publication number 20150168476
- Publication date Jun 18, 2015
- Fairchild Korea Semiconductor Ltd.
- In-Ki PARK
- G01 - MEASURING TESTING
Information Patent Application
CLAMPING CIRCUIT, POWER SUPPLY DEVICE INCLUDING THE SAME AND DRIVIN...
- Publication number 20150155860
- Publication date Jun 4, 2015
- Fairchild Korea Semiconductor Ltd.
- In-Ki PARK
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
INPUT CURRENT CONTROL METHOD, SWITCH CONTROL CIRCUIT AND POWER SUPP...
- Publication number 20150137859
- Publication date May 21, 2015
- Fairchild Korea Semiconductor Ltd.
- Hyun-Chul EUM
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ACTIVE DAMPER AND POWER SUPPLY INCLUDING THE SAME
- Publication number 20150124499
- Publication date May 7, 2015
- Fairchild Korea Semiconductor Ltd.
- Hyun-Chul EUM
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER SUPPLY
- Publication number 20150009722
- Publication date Jan 8, 2015
- Fairchild Korea Semiconductor Ltd.
- Hyun-Chul EUM
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
START-UP CIRCUIT, SWITCH CONTROL CIRCUIT HAVING THE START-UP CIRCUI...
- Publication number 20150003118
- Publication date Jan 1, 2015
- Fairchild Korea Semiconductor Ltd.
- Yong-Sang SHIN
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SWITCH CONTROL DEVICE, POWER SUPPLY DEVICE COMPRISING THE SAME AND...
- Publication number 20140313798
- Publication date Oct 23, 2014
- Hyun-Chul EUM
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SWITCH CONTROL DEVICE, POWER SUPPLY DEVICE COMPRISING THE SAME, AND...
- Publication number 20140043879
- Publication date Feb 13, 2014
- FAIRCHILD KOREA SEMICONDUCTOR LTD.
- Hyun-Chul EUM
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Hyun-Chul Eum

Person

Patents Grantslast 30 patents

Controlling output voltage for power converter

Overload protection for power converter

LED driver circuit and LED driving method

Multiple linear regulation

System and method for controlling output signal of power converter

Power factor correction circuit and driving method thereof

Overload protection for power converter

LED driving device

System and method for controlling switching device in power converter

LED driver circuit and LED driving method

Controlling output voltage for power converter

System and method for controlling output signal of power converter

Sensing resistor short determiner, switch control circuit including...

Multiple linear regulation

LED driving device

Primary side regulation power supply device

Power factor correction circuit and driving method thereof

Active damper and power supply including the same

Power supply

Clamping circuit, power supply device including the same and drivin...

Power supply device

Power supply device capable of varying switching frequency accordin...

Input current control method, switch control circuit and power supp...

Switch control device, power supply device comprising the same, and...

Patents Applicationslast 30 patents

OVERLOAD PROTECTION FOR POWER CONVERTER

LED DRIVER CIRCUIT AND LED DRIVING METHOD

CONTROLLING OUTPUT VOLTAGE FOR POWER CONVERTER

SYSTEM AND METHOD FOR CONTROLLING OUTPUT SIGNAL OF POWER CONVERTER

SENSING RESISTOR SHORT DETERMINER, SWITCH CONTROL CIRCUIT INCLUDING...

MULTIPLE LINEAR REGULATION

SYSTEM AND METHOD FOR CONTROLLING SWITCHING DEVICE IN POWER CONVERTER

LED DRIVING DEVICE

POWER FACTOR CORRECTION CIRCUIT AND DRIVING METHOD THEREOF

LED DRIVER CIRCUIT AND LED DRIVING METHOD

LED DRIVING DEVICE

SYSTEM AND METHOD FOR CONTROLLING OUTPUT SIGNAL OF POWER CONVERTER

OVERLOAD PROTECTION FOR POWER CONVERTER

MULTIPLE LINEAR REGULATION

CONTROLLING OUTPUT VOLTAGE FOR POWER CONVERTER

POWER FACTOR CORRECTION CIRCUIT AND DRIVING METHOD THEREOF

POWER SUPPLY DEVICE

POWER SUPPLY DEVICE

PRIMARY SIDE REGULATION POWER SUPPLY DEVICE

SENSING RESISTOR SHORT DETERMINER, SWITCH CONTROL CIRCUIT INCLUDING...

CLAMPING CIRCUIT, POWER SUPPLY DEVICE INCLUDING THE SAME AND DRIVIN...

INPUT CURRENT CONTROL METHOD, SWITCH CONTROL CIRCUIT AND POWER SUPP...

ACTIVE DAMPER AND POWER SUPPLY INCLUDING THE SAME

POWER SUPPLY

START-UP CIRCUIT, SWITCH CONTROL CIRCUIT HAVING THE START-UP CIRCUI...

SWITCH CONTROL DEVICE, POWER SUPPLY DEVICE COMPRISING THE SAME AND...

SWITCH CONTROL DEVICE, POWER SUPPLY DEVICE COMPRISING THE SAME, AND...