Younghak Chang

Person

Seoul, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Display apparatus using micro LED and method for manufacturing same
- Patent number 12,300,767
- Issue date May 13, 2025
- LG Electronics Inc.
- Jeomoh Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Display apparatus using semiconductor light-emitting device
- Patent number 12,237,359
- Issue date Feb 25, 2025
- LG Electronics Inc.
- Jungsub Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Display device using semiconductor light-emitting diodes
- Patent number 11,990,565
- Issue date May 21, 2024
- LG Electronics Inc.
- Jungsub Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Display device using semiconductor light emitting element
- Patent number 11,942,457
- Issue date Mar 26, 2024
- LG Electronics Inc.
- Younghak Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Display device using semiconductor light emitting element
- Patent number 11,322,488
- Issue date May 3, 2022
- LG Electronics Inc.
- Younghak Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Transfer head and transfer system for semiconductor light-emitting...
- Patent number 10,950,583
- Issue date Mar 16, 2021
- LG Electronics Inc.
- Sunghyun Moon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Display device using semiconductor light emitting device
- Patent number 10,854,692
- Issue date Dec 1, 2020
- LG Electronics Inc.
- Younghak Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Display device using semiconductor light emitting device
- Patent number 10,446,529
- Issue date Oct 15, 2019
- LG Electronics Inc.
- Younghak Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor light emitting device, transfer head of semiconductor...
- Patent number 10,424,500
- Issue date Sep 24, 2019
- LG Electronics Inc.
- Younghak Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Non-polar nitride-based light emitting device and method for fabric...
- Patent number 9,184,340
- Issue date Nov 10, 2015
- LG Electronics Inc.
- Sukkoo Jung
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Non-polar substrate having hetero-structure and method for manufact...
- Patent number 9,136,119
- Issue date Sep 15, 2015
- LG Electronics Inc.
- Sukkoo Jung
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR LIGHT-EMITTING ELEMENT AND DISPLAY DEVICE
- Publication number 20250040307
- Publication date Jan 30, 2025
- LG ELECTRONICS INC.
- Younghak CHANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DISPLAY DEVICE
- Publication number 20250015242
- Publication date Jan 9, 2025
- LG ELECTRONICS INC.
- Younghak CHANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DISPLAY APPARATUS USING MICRO LED AND METHOD FOR MANUFACTURING SAME
- Publication number 20220376141
- Publication date Nov 24, 2022
- LG ELECTRONICS INC.
- Jeomoh KIM
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DISPLAY DEVICE USING SEMICONDUCTOR LIGHT EMITTING ELEMENT
- Publication number 20220231000
- Publication date Jul 21, 2022
- LG ELECTRONICS INC.
- Younghak CHANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DISPLAY DEVICE USING SEMICONDUCTOR LIGHT-EMITTING ELEMENTS
- Publication number 20210320146
- Publication date Oct 14, 2021
- LG ELECTRONICS INC.
- Jungsub KIM
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DISPLAY DEVICE USING SEMICONDUCTOR LIGHT-EMITTING DIODES
- Publication number 20210313490
- Publication date Oct 7, 2021
- LG ELECTRONICS INC.
- Jungsub KIM
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DISPLAY APPARATUS USING SEMICONDUCTOR LIGHT-EMITTING DEVICE
- Publication number 20210159269
- Publication date May 27, 2021
- LG ELECTRONICS INC.
- Jungsub KIM
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DISPLAY DEVICE USING SEMICONDUCTOR LIGHT EMITTING ELEMENT
- Publication number 20200219858
- Publication date Jul 9, 2020
- LG ELECTRONICS INC.
- Younghak CHANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DISPLAY DEVICE USING SEMICONDUCTOR LIGHT EMITTING DEVICE
- Publication number 20190206954
- Publication date Jul 4, 2019
- LG ELECTRONICS INC.
- Younghak CHANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DISPLAY DEVICE USING SEMICONDUCTOR LIGHT EMITTING DEVICE
- Publication number 20190081025
- Publication date Mar 14, 2019
- LG ELECTRONICS INC.
- Younghak CHANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DISPLAY DEVICE USING SEMICONDUCTOR LIGHT EMITTING DEVICE
- Publication number 20180277589
- Publication date Sep 27, 2018
- LG ELECTRONICS INC.
- Younghak CHANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TRANSFER HEAD AND TRANSFER SYSTEM FOR SEMICONDUCTOR LIGHT-EMITTING...
- Publication number 20180277524
- Publication date Sep 27, 2018
- LG ELECTRONICS INC.
- Sunghyun MOON
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LIGHT EMITTING DEVICE, TRANSFER HEAD OF SEMICONDUCTOR...
- Publication number 20160300745
- Publication date Oct 13, 2016
- LG ELECTRONICS INC.
- Younghak CHANG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
NON-POLAR SUBSTRATE HAVING HETERO-STRUCTURE AND METHOD FOR MANUFACT...
- Publication number 20130009182
- Publication date Jan 10, 2013
- Sukkoo JUNG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NON-POLAR NITRIDE-BASED LIGHT EMITTING DEVICE AND METHOD FOR FABRIC...
- Publication number 20120286286
- Publication date Nov 15, 2012
- Sukkoo JUNG
- H01 - BASIC ELECTRIC ELEMENTS

Younghak Chang

Person

Patents Grantslast 30 patents

Display apparatus using micro LED and method for manufacturing same

Display apparatus using semiconductor light-emitting device

Display device using semiconductor light-emitting diodes

Display device using semiconductor light emitting element

Display device using semiconductor light emitting element

Transfer head and transfer system for semiconductor light-emitting...

Display device using semiconductor light emitting device

Display device using semiconductor light emitting device

Semiconductor light emitting device, transfer head of semiconductor...

Non-polar nitride-based light emitting device and method for fabric...

Non-polar substrate having hetero-structure and method for manufact...

Patents Applicationslast 30 patents

SEMICONDUCTOR LIGHT-EMITTING ELEMENT AND DISPLAY DEVICE

DISPLAY DEVICE

DISPLAY APPARATUS USING MICRO LED AND METHOD FOR MANUFACTURING SAME

DISPLAY DEVICE USING SEMICONDUCTOR LIGHT EMITTING ELEMENT

DISPLAY DEVICE USING SEMICONDUCTOR LIGHT-EMITTING ELEMENTS

DISPLAY DEVICE USING SEMICONDUCTOR LIGHT-EMITTING DIODES

DISPLAY APPARATUS USING SEMICONDUCTOR LIGHT-EMITTING DEVICE

DISPLAY DEVICE USING SEMICONDUCTOR LIGHT EMITTING ELEMENT

DISPLAY DEVICE USING SEMICONDUCTOR LIGHT EMITTING DEVICE

DISPLAY DEVICE USING SEMICONDUCTOR LIGHT EMITTING DEVICE

DISPLAY DEVICE USING SEMICONDUCTOR LIGHT EMITTING DEVICE

TRANSFER HEAD AND TRANSFER SYSTEM FOR SEMICONDUCTOR LIGHT-EMITTING...

SEMICONDUCTOR LIGHT EMITTING DEVICE, TRANSFER HEAD OF SEMICONDUCTOR...

NON-POLAR SUBSTRATE HAVING HETERO-STRUCTURE AND METHOD FOR MANUFACT...

NON-POLAR NITRIDE-BASED LIGHT EMITTING DEVICE AND METHOD FOR FABRIC...