Inventor
CHANG YOUNGHAK
KR12 patents
⚠️ This page may combine multiple inventors who share the name “CHANG YOUNGHAK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LG ELECTRONICS INC
10 patentsUS11322488B2May 3, 2022
Display device using semiconductor light emitting element
LG ELECTRONICS INC17 citations92
US10950583B2Mar 16, 2021
Transfer head and transfer system for semiconductor light-emitting device and method for transferring semiconductor light-emitting device
LG ELECTRONICS INC14 citations82
US10424500B2Sep 24, 2019
Semiconductor light emitting device, transfer head of semiconductor light emitting device, and method of transferring semiconductor light emitting device
LG ELECTRONICS INC5 citations71
US10854692B2Dec 1, 2020
Display device using semiconductor light emitting device
LG ELECTRONICS INC2 citations66
US12237359B2Feb 25, 2025
Display apparatus using semiconductor light-emitting device
LG ELECTRONICS INC1 citations60
US11990565B2May 21, 2024
Display device using semiconductor light-emitting diodes
LG ELECTRONICS INC1 citations60
US11942457B2Mar 26, 2024
Display device using semiconductor light emitting element
LG ELECTRONICS INC0 citations60
US10446529B2Oct 15, 2019
Display device using semiconductor light emitting device
LG ELECTRONICS INC1 citations56
US12490566B2Dec 2, 2025
Display device using semiconductor light-emitting elements
LG ELECTRONICS INC0 citations49
US12300767B2May 13, 2025
Display apparatus using micro LED and method for manufacturing same
LG ELECTRONICS INC0 citations43
JUNG SUKKOO
2 patentsUS9136119B2Sep 15, 2015
Non-polar substrate having hetero-structure and method for manufacturing the same, and nitride-based light emitting device using the same
JUNG SUKKOO0 citations39
US9184340B2Nov 10, 2015
Non-polar nitride-based light emitting device and method for fabricating the same
JUNG SUKKOO0 citations29