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name:-0.051820993423462
name:-0.027537107467651
name:-0.0015809535980225
Cha; Sang Hyun Patent Filings

Cha; Sang Hyun

Patent Applications and Registrations

Patent applications and USPTO patent grants for Cha; Sang Hyun.The latest application filed is for "start-up circuit and power device using the same".

Company Profile
1.28.54
  • Cha; Sang Hyun - Suwon-Si KR
  • Cha; Sang Hyun - Seoul KR
  • Cha; Sang Hyun - Gyeonggi-do KR
  • Cha; Sang Hyun - Gyunggi-do KR
  • CHA; Sang Hyun - Suwon KR
  • CHA; Sang Hyun - Yongin-si KR
  • Cha; Sang Hyun - Yongi-si KR
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Gate driving circuit including constant current sources, and switching apparatus and power supply apparatus having the same
Grant 9,780,771 - Cha , et al. October 3, 2		2017-10-03
Start-up circuit and power device using the same
Grant 9,755,502 - Cha , et al. September 5, 2		2017-09-05
Light emitting diode driving apparatus
Grant 9,301,353 - Park , et al. March 29, 2		2016-03-29
Average current controller, average current control method and buck converter using the average current controller
Grant 9,287,777 - Hwang , et al. March 15, 2		2016-03-15
Light emitting diode driving apparatus
Grant 9,204,506 - Cha , et al. December 1, 2		2015-12-01
Start-up Circuit And Power Device Using The Same
App 20150318779 - CHA; Sang Hyun ;   et al.		2015-11-05
Light emitting diode driving apparatus and light emitting diode lighting apparatus
Grant 9,173,265 - Park , et al. October 27, 2		2015-10-27
PWM control circuit, flyback converter and method for controlling PWM
Grant 9,083,248 - Park , et al. July 14, 2		2015-07-14
Illumination driving apparatus for light emitting diode and method thereof
Grant 9,066,399 - Park , et al. June 23, 2		2015-06-23
Light Emitting Diode Driving Apparatus And Light Emitting Diode Lighting Apparatus
App 20150173149 - PARK; Deuk Hee ;   et al.		2015-06-18
Apparatus for driving light emitting diode
Grant 9,024,531 - Hwang , et al. May 5, 2		2015-05-05
Light Emitting Diode Driving Apparatus
App 20150115822 - CHA; Sang Hyun ;   et al.		2015-04-30
Light Emitting Diode Driving Apparatus And Light Emitting Diode Lighting Appratus
App 20150115828 - Cha; Sang Hyun ;   et al.		2015-04-30
Light Emitting Diode Driving Apparatus
App 20150115819 - PARK; Deuk Hee ;   et al.		2015-04-30
Light Emitting Diode Driver And Method Of Controlling The Same
App 20150115821 - YU; Je Hyeon ;   et al.		2015-04-30
Integrated Circuit
App 20150116013 - YU; Je Hyeon ;   et al.		2015-04-30
Gate Driving Circuit, And Switching Apparatus And Power Supply Apparatus Having The Same
App 20150117065 - CHA; Sang Hyun ;   et al.		2015-04-30
Light emitting diode driving apparatus
Grant 8,994,281 - Hwang , et al. March 31, 2		2015-03-31
Apparatus for driving light emitting diode
Grant 8,981,658 - Lee , et al. March 17, 2		2015-03-17
Gate driver
Grant 8,975,927 - Hwang , et al. March 10, 2		2015-03-10
PWM driving circuit and PWM driving method
Grant 8,975,824 - Lee , et al. March 10, 2		2015-03-10
Circuit For Generating Reference Signal For Controlling Peak Current Of Converter Switch, Isolated Converter And Method For Generating Reference Signal For Controlling Peak Current Of Converter Switch
App 20150062977 - LEE; Yun Joong ;   et al.		2015-03-05
Circuit For Generating Reference Signal For Controlling Peak Current Of Converter Switch, Isolated Converter And Method For Generating Reference Signal For Controlling Peak Current Of Converter Switch
App 20150062978 - LEE; Yun Joong ;   et al.		2015-03-05
Light Emitting Diode Driving Apparatus And Light Emitting Diode Lighting Apparatus
App 20150002045 - HWANG; Jong Tae ;   et al.		2015-01-01
Light Emitting Diode Driving Apparatus
App 20150002037 - CHA; Sang Hyun ;   et al.		2015-01-01
Light emitting diode driving apparatus
Grant 8,917,025 - Park , et al. December 23, 2		2014-12-23
Light Emitting Diode Lighting Apparatus And Driving Method Thereof
App 20140368119 - LEE; Yun Joong ;   et al.		2014-12-18
LED driving apparatus and method
Grant 8,890,431 - Lee , et al. November 18, 2		2014-11-18
Light emitting diode driving apparatus
Grant 8,816,589 - Lee , et al. August 26, 2		2014-08-26
LED circuit
Grant 8,796,942 - Lee , et al. August 5, 2		2014-08-05
Illumination driving apparatus
Grant 8,779,682 - Choi , et al. July 15, 2		2014-07-15
Light Emitting Diode Driving Device
App 20140184078 - HWANG; Jong Tae ;   et al.		2014-07-03
Average Current Controller, Average Current Control Method And Buck Converter Using The Average Current Controller
App 20140184187 - HWANG; Jong Tae ;   et al.		2014-07-03
Gate Driver
App 20140184276 - Hwang; Jong Tae ;   et al.		2014-07-03
Gate Driver Having Function Of Preventing Shoot-through Current
App 20140184307 - Hwang; Jong Tae ;   et al.		2014-07-03
Apparatus For Driving Light Emitting Diode
App 20140184086 - LEE; Yun Joong ;   et al.		2014-07-03
LED circuit
Grant 8,749,147 - Lee , et al. June 10, 2		2014-06-10
Apparatus For Driving Light Emitting Diode
App 20140091717 - HWANG; Jong Tae ;   et al.		2014-04-03
Illumination Driving Apparatus For Light Emitting Diode And Method Thereof
App 20140035473 - PARK; Deuk Hee ;   et al.		2014-02-06
Light Emitting Diode Driving Apparatus
App 20140035476 - HWANG; Jong Tae ;   et al.		2014-02-06
Light Emitting Diode Driving Apparatus
App 20140001973 - PARK; Deuk Hee ;   et al.		2014-01-02
Circuit And Method For Driving Led Light
App 20140001980 - Park; Deuk Hee ;   et al.		2014-01-02
Pwm Control Circuit For Dc-dc Converter, Flyback Converter, And Method Of Controlling Pwm Of Dc-dc Converter
App 20140003098 - Park; Deuk Hee ;   et al.		2014-01-02
Circuit, Device And Method Of Directly Driving Led
App 20140001958 - Park; Deuk Hee ;   et al.		2014-01-02
Light Emitting Diode Driving Apparatus
App 20130257305 - LEE; Yeun Joong ;   et al.		2013-10-03
Pwm Control Circuit, Flyback Converter And Method For Controlling Pwm
App 20130169182 - PARK; Deuk HEE ;   et al.		2013-07-04
Light Emitting Diode Driving Apparatus
App 20130162144 - LEE; Youn Joong ;   et al.		2013-06-27
Pwm Driving Circuit And Pwm Driving Method
App 20130162164 - Lee; Yun Joong ;   et al.		2013-06-27
Driving Apparatus For Light Emitting Diode
App 20130162154 - LEE; Yeun Joong ;   et al.		2013-06-27
Organic light emitting diode driver
Grant 8,471,788 - Cha , et al. June 25, 2		2013-06-25
Driving Apparatus For Light Emitting Diode And Control Method Thereof
App 20130134901 - PARK; Chan Woo ;   et al.		2013-05-30
Light Emitting Diode Driving Apparatus
App 20130076253 - Park; Deuk Hee ;   et al.		2013-03-28
Light Emitting Diode Driving Device And Method Thereof
App 20130033191 - CHOI; Joong Ho ;   et al.		2013-02-07
Light Emitting Diode Driver Having Offset Voltage Compensating Function
App 20120319609 - CHOI; Joong Ho ;   et al.		2012-12-20
Led Driving Apparatus And Method
App 20120306396 - LEE; Change Seok ;   et al.		2012-12-06
Led Circuit
App 20120299490 - LEE; Yeun Joong ;   et al.		2012-11-29
Led Circuit
App 20120299497 - LEE; Yeun Joong ;   et al.		2012-11-29
Organic Light Emitting Diode Driver
App 20120056869 - CHA; Sang Hyun ;   et al.		2012-03-08
Active Matrix Organic Light Emitting Diode Display Having Reset Function
App 20120056866 - LEE; Yeun Joong ;   et al.		2012-03-08
Deterioration Sensing Apparatus For Display Device
App 20120044360 - CHA; Sang Hyun ;   et al.		2012-02-23
Active Matrix Organic Light Emitting Diode Display Having Deterioration Detection Function In Programming Period
App 20120044271 - LEE; Yeun Joong ;   et al.		2012-02-23
Organic Light Emitting Diode Driver
App 20120044269 - CHA; Sang Hyun ;   et al.		2012-02-23
Active Matrix Organic Light Emitting Diode Display
App 20120044235 - CHA; Sang Hyun ;   et al.		2012-02-23
Organic Light Emitting Diode Driver
App 20120032991 - Cha; Sang Hyun ;   et al.		2012-02-09
Current Driving Circuit And Light Storage System Having The Same
App 20110317536 - CHA; Sang Hyun ;   et al.		2011-12-29
Organic Electroluminescence Display
App 20110316825 - CHA; Sang Hyun ;   et al.		2011-12-29
Frequency tuning and direct current offset canceling circuit for continuous-time analog filter with time divided
Grant 8,030,991 - Cha , et al. October 4, 2		2011-10-04
Frequency Tuning And Direct Current Offset Canceling Circuit For Continuous-time Analog Filter With Time Divided
App 20110051850 - Cha; Sang Hyun ;   et al.		2011-03-03

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