Chung-Wook Roh

Person

Seoul, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Power net apparatus of the fuel cell and control method thereof
- Patent number 12,095,069
- Issue date Sep 17, 2024
- Hyundai Motor Company
- Yong Hwi Lee
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Induction heating apparatus
- Patent number 9,844,099
- Issue date Dec 12, 2017
- Samsung Electronics Co., Ltd.
- Chang Sun Yun
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Power control method and apparatus for tracking maximum power point...
- Patent number 8,810,213
- Issue date Aug 19, 2014
- Samsung Electronics Co., Ltd.
- Yong-Woo Kim
- G05 - CONTROLLING REGULATING
Information Patent Grant
Power supply and display device including the same
- Patent number 8,508,144
- Issue date Aug 13, 2013
- Samsung Electro-Mechanics Co., Ltd.
- Sang Kyoo Han
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Lamp driver
- Patent number 8,446,103
- Issue date May 21, 2013
- Samsung Electro-Mechanics Co., Ltd.
- Sang Kyoo Han
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Backlight unit driver
- Patent number 8,373,354
- Issue date Feb 12, 2013
- Samsung Electro-Mechanics, Co., Ltd
- Sang Kyoo Han
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Power supply having an improved maximum power point tracking function
- Patent number 8,305,058
- Issue date Nov 6, 2012
- Samsung Electro-Mechanics Co., Ltd.
- Jin Wook Kim
- G05 - CONTROLLING REGULATING
Information Patent Grant
High voltage power supply
- Patent number 8,274,805
- Issue date Sep 25, 2012
- Samsung Electro-Mechanics Co., Ltd.
- Jin Wook Kim
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
LED driving circuit
- Patent number 8,120,278
- Issue date Feb 21, 2012
- Samsung Electro-Mechanics Co., Ltd.
- Heung Gyoon Choi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Variable switching frequency type power supply
- Patent number 8,107,262
- Issue date Jan 31, 2012
- Samsung Electro-Mechanics Co., Ltd.
- Jae Sun Won
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply having maximum power point tracking function
- Patent number 7,940,032
- Issue date May 10, 2011
- Samsung Electro-Mechanics Co., Ltd.
- Jin Wook Kim
- G05 - CONTROLLING REGULATING
Information Patent Grant
Multi-output DC/DC converter
- Patent number 7,915,757
- Issue date Mar 29, 2011
- Samsung Electro-Mechanics Co., Ltd.
- Jong Hae Kim
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Backlight driving system for liquid crystal display
- Patent number 7,663,322
- Issue date Feb 16, 2010
- Samsung Electro-Mechanics Co., Ltd.
- Jin Wook Kim
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Integrated type transformer
- Patent number 7,616,086
- Issue date Nov 10, 2009
- Samsung Electro-Mechanics Co., Ltd.
- Gie Hyoun Kweon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Plasma display device, apparatus for driving the same, and method o...
- Patent number 7,612,738
- Issue date Nov 3, 2009
- Samsung SDI Co., Ltd.
- Hak-Cheol Yang
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Plasma display panel sustain driver having decreased flywheel current
- Patent number 7,504,779
- Issue date Mar 17, 2009
- Samsung Electronics Co., Ltd.
- Chung-wook Roh
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Flyback DC/DC converter using clamp diode
- Patent number 7,505,289
- Issue date Mar 17, 2009
- Samsung Electro-Mechanics Co., Ltd.
- Don Sik Kim
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Apparatus for generating ramp reset waveform for display panel and...
- Patent number 7,327,331
- Issue date Feb 5, 2008
- Samsung Electronics Co., Ltd.
- Jeong-il Kang
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Apparatus and method of driving high-efficiency plasma display panel
- Patent number 7,209,099
- Issue date Apr 24, 2007
- Samsung Electronics Co., Ltd.
- Chung-wook Roh
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Image misconvergence correction apparatus for less switching noise...
- Patent number 7,158,193
- Issue date Jan 2, 2007
- Samsung Electronics Co., Ltd.
- Kyoung-geun Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Energy recovery apparatus and method for plasma display panel
- Patent number 6,906,471
- Issue date Jun 14, 2005
- Samsung Electronics Co., Ltd.
- Chung-wook Roh
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Device and method for efficiently driving plasma display panel
- Patent number 6,888,518
- Issue date May 3, 2005
- Samsung Electronics Co., Ltd.
- Chung-wook Roh
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Image distortion compensating apparatus with low switching delay
- Patent number 6,853,157
- Issue date Feb 8, 2005
- Samsung Electronics Co., Ltd.
- Kyoung-geun Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for automatically adjusting reset ramp wavefor...
- Patent number 6,853,149
- Issue date Feb 8, 2005
- Samsung Electronics Co., Ltd.
- Chung-wook Roh
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Apparatus and method for controlling automatic adjustment of power...
- Patent number 6,803,892
- Issue date Oct 12, 2004
- Samsung Electronics Co., Ltd.
- Chung-wook Ro Roh
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Apparatus for supplying deflection power for use in a display and c...
- Patent number 6,700,336
- Issue date Mar 2, 2004
- Samsung Electronics Co., Ltd.
- Chung-Wook Roh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for driving plasma display panel capable of increasing en...
- Patent number 6,628,087
- Issue date Sep 30, 2003
- Samsung Electronics Co., Ltd.
- Chung-wook Roh
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Apparatus for recovering energy using magnetic coupled inductor in...
- Patent number 6,617,802
- Issue date Sep 9, 2003
- Samsung Electronics Co., Ltd.
- Chung-wook Roh
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Energy recovery sustain circuit for AC plasma display panel
- Patent number 6,583,575
- Issue date Jun 24, 2003
- Samsung Electronics Co., Ltd.
- Chung-Wook Roh
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Power Net Apparatus of the Fuel Cell and Control Method Thereof
- Publication number 20240021923
- Publication date Jan 18, 2024
- KIA CORPORATION
- Yong Hwi Lee
- B60 - VEHICLES IN GENERAL
Information Patent Application
INDUCTION HEATING APPARATUS
- Publication number 20150201467
- Publication date Jul 16, 2015
- Samsung Electronics Co., Ltd.
- Chang Sun YUN
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
POWER CONTROL METHOD AND APPARATUS FOR TRACKING MAXIMUM POWER POINT...
- Publication number 20120176102
- Publication date Jul 12, 2012
- Samsung Electronics Co., Ltd.
- Yong-Woo KIM
- G05 - CONTROLLING REGULATING
Information Patent Application
POWER SUPPLY AND DISPLAY DEVICE INCLUDING THE SAME
- Publication number 20120153857
- Publication date Jun 21, 2012
- SAMSUNG ELECTRO-MECHANICS CO., LTD.
- Sang Kyoo HAN
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LAMP DRIVER
- Publication number 20110234111
- Publication date Sep 29, 2011
- Samsung Electro-Mechanics Co., Ltd.
- Sang Kyoo Han
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
OPTICAL TRANSMISSION APPARATUS FOR VISIBLE LIGHT COMMUNICATION
- Publication number 20110222849
- Publication date Sep 15, 2011
- Kookmin University Industry-Academic Cooperation Foundation
- Sang-Kyoo HAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BACKLIGHT UNIT DRIVER
- Publication number 20110204804
- Publication date Aug 25, 2011
- Samsung Electro-Mechanics Co., Ltd.
- Sang Kyoo HAN
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LED DRIVING CIRCUIT
- Publication number 20100237799
- Publication date Sep 23, 2010
- Samsung Electro-Mechanics Co., Ltd.
- Heung Gyoon CHOI
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
VARIABLE SWITCHING FREQUENCY TYPE POWER SUPPLY
- Publication number 20100014321
- Publication date Jan 21, 2010
- Samsung Electro-Mechanics Co., Ltd.
- Jae Sun WON
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
POWER SUPPLY HAVING MAXIMUM POWER POINT TRACKING FUNCTION
- Publication number 20090316447
- Publication date Dec 24, 2009
- Samsung Electro-Mechanics Co., Ltd.
- Jin Wook KIM
- G05 - CONTROLLING REGULATING
Information Patent Application
POWER SUPPLY HAVING MAXIMUM POWER POINT TRACKING FUNCTION
- Publication number 20090316452
- Publication date Dec 24, 2009
- Samsung Electro-Mechanics Co., Ltd.
- Jin Wook KIM
- G05 - CONTROLLING REGULATING
Information Patent Application
HIGH VOLTAGE POWER SUPPLY
- Publication number 20090251120
- Publication date Oct 8, 2009
- Samsung Electro-Mechanics Co., Ltd.
- Jin Wook KIM
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MULTI-OUTPUT DC/DC CONVERTER
- Publication number 20090243388
- Publication date Oct 1, 2009
- Samsung Electro-Mechanics Co., Ltd.
- Jong Hae KIM
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
BACKLIGHT DRIVING SYSTEM FOR LIQUID CRYSTAL DISPLAY
- Publication number 20090021179
- Publication date Jan 22, 2009
- SAMSUNG ELECTRO-MECHANICS CO., LTD.
- Jin Wook KIM
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
INTEGRATED TYPE TRANSFORMER
- Publication number 20080231404
- Publication date Sep 25, 2008
- SAMSUNG ELECTRO-MECHANICS CO., LTD.
- Gie Hyoun KWEON
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Backlight driving apparatus for non-emissive display device
- Publication number 20080136355
- Publication date Jun 12, 2008
- KOOKMIN University Industry-Academic Cooperation Foundation
- Sang-Kyoo Han
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
PLASMA DISPLAY DEVICE, APPARATUS FOR DRIVING THE SAME, AND METHOD O...
- Publication number 20080088531
- Publication date Apr 17, 2008
- Hak-Cheol Yang
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
FLYBACK DC/DC CONVERTER USING CLAMP DIODE
- Publication number 20070183172
- Publication date Aug 9, 2007
- Samsung Electro-Mechanics Co., Ltd.
- Don Sik KIM
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Plasma display apparatus
- Publication number 20070052629
- Publication date Mar 8, 2007
- LG Electronics Inc.
- Seonghak Moon
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Plasma display apparatus and method of driving the same
- Publication number 20060290610
- Publication date Dec 28, 2006
- LG Electronics Inc.
- Seonghak Moon
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Plasma display panel
- Publication number 20050162087
- Publication date Jul 28, 2005
- SAMSUNG ELECTRONICS CO., LTD.
- Young-sun Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Apparatus for generating ramp reset waveform for display panel and...
- Publication number 20050140590
- Publication date Jun 30, 2005
- SAMSUNG ELECTRONICS CO., LTD.
- Jeong-il Kang
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Plasma display panel device using sub-field mode and method of driv...
- Publication number 20050083252
- Publication date Apr 21, 2005
- SAMSUNG ELECTRONICS CO., LTD.
- Chung-wook Roh
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Plasma display panel sustain driver having decreased flywheel current
- Publication number 20050029960
- Publication date Feb 10, 2005
- SAMSUNG ELECTRONICS CO., LTD.
- Chung-wook Roh
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Apparatus and method of driving high-efficiency plasma display panel
- Publication number 20040113870
- Publication date Jun 17, 2004
- SAMSUNG ELECTRONICS CO., LTD.
- Chung-wook Roh
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Image distortion compensating apparatus with low switching delay
- Publication number 20040012348
- Publication date Jan 22, 2004
- SAMSUNG ELECTRONICS CO., LTD.
- Kyoung-Geun Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image misconvergence correction apparatus for less switching noise...
- Publication number 20040008290
- Publication date Jan 15, 2004
- SAMSUNG ELECTRONICS CO., LTD.
- Kyoung-Geun Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Energy recovery apparatus and method for plasma display panel
- Publication number 20030222864
- Publication date Dec 4, 2003
- SAMSUNG ELECTRONICS CO., LTD.
- Chung-Wook Roh
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Apparatus and method for controlling automatic adjustment of power...
- Publication number 20030218431
- Publication date Nov 27, 2003
- SAMSUNG ELECTRONICS CO., LTD.
- Chung-wook Roh
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Device and method for efficiently driving plasma display panel
- Publication number 20030214462
- Publication date Nov 20, 2003
- SAMSUNG ELECTRONICS CO., LTD.
- Chung-Wook Roh
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Chung-Wook Roh

Person

Patents Grantslast 30 patents

Power net apparatus of the fuel cell and control method thereof

Induction heating apparatus

Power control method and apparatus for tracking maximum power point...

Power supply and display device including the same

Lamp driver

Backlight unit driver

Power supply having an improved maximum power point tracking function

High voltage power supply

LED driving circuit

Variable switching frequency type power supply

Power supply having maximum power point tracking function

Multi-output DC/DC converter

Backlight driving system for liquid crystal display

Integrated type transformer

Plasma display device, apparatus for driving the same, and method o...

Plasma display panel sustain driver having decreased flywheel current

Flyback DC/DC converter using clamp diode

Apparatus for generating ramp reset waveform for display panel and...

Apparatus and method of driving high-efficiency plasma display panel

Image misconvergence correction apparatus for less switching noise...

Energy recovery apparatus and method for plasma display panel

Device and method for efficiently driving plasma display panel

Image distortion compensating apparatus with low switching delay

Apparatus and method for automatically adjusting reset ramp wavefor...

Apparatus and method for controlling automatic adjustment of power...

Apparatus for supplying deflection power for use in a display and c...

Apparatus for driving plasma display panel capable of increasing en...

Apparatus for recovering energy using magnetic coupled inductor in...

Energy recovery sustain circuit for AC plasma display panel

Patents Applicationslast 30 patents

Power Net Apparatus of the Fuel Cell and Control Method Thereof

INDUCTION HEATING APPARATUS

POWER CONTROL METHOD AND APPARATUS FOR TRACKING MAXIMUM POWER POINT...

POWER SUPPLY AND DISPLAY DEVICE INCLUDING THE SAME

LAMP DRIVER

OPTICAL TRANSMISSION APPARATUS FOR VISIBLE LIGHT COMMUNICATION

BACKLIGHT UNIT DRIVER

LED DRIVING CIRCUIT

VARIABLE SWITCHING FREQUENCY TYPE POWER SUPPLY

POWER SUPPLY HAVING MAXIMUM POWER POINT TRACKING FUNCTION

POWER SUPPLY HAVING MAXIMUM POWER POINT TRACKING FUNCTION

HIGH VOLTAGE POWER SUPPLY

MULTI-OUTPUT DC/DC CONVERTER

BACKLIGHT DRIVING SYSTEM FOR LIQUID CRYSTAL DISPLAY

INTEGRATED TYPE TRANSFORMER

Backlight driving apparatus for non-emissive display device

PLASMA DISPLAY DEVICE, APPARATUS FOR DRIVING THE SAME, AND METHOD O...

FLYBACK DC/DC CONVERTER USING CLAMP DIODE

Plasma display apparatus

Plasma display apparatus and method of driving the same

Plasma display panel

Apparatus for generating ramp reset waveform for display panel and...

Plasma display panel device using sub-field mode and method of driv...

Plasma display panel sustain driver having decreased flywheel current

Apparatus and method of driving high-efficiency plasma display panel

Image distortion compensating apparatus with low switching delay

Image misconvergence correction apparatus for less switching noise...

Energy recovery apparatus and method for plasma display panel

Apparatus and method for controlling automatic adjustment of power...

Device and method for efficiently driving plasma display panel