Inventor
LEE KEUM JU
KR16 patents
⚠️ This page may combine multiple inventors who share the name “LEE KEUM JU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEOUL VIOSYS CO LTD
13 patentsUS9905729B2Feb 27, 2018
Light emitting diode
SEOUL VIOSYS CO LTD5 citations83
US9520536B2Dec 13, 2016
Light emitting diode chip having electrode pad
SEOUL VIOSYS CO LTD11 citations83
US10608141B2Mar 31, 2020
Light emitting diode chip having electrode pad
SEOUL VIOSYS CO LTD1 citations72
US10193017B2Jan 29, 2019
Light emitting diode
SEOUL VIOSYS CO LTD3 citations72
US12199214B2Jan 14, 2025
Light emitting diode with high efficiency
SEOUL VIOSYS CO LTD0 citations60
US11239387B2Feb 1, 2022
Light emitting diode with high efficiency
SEOUL VIOSYS CO LTD0 citations60
US10937935B2Mar 2, 2021
Flip chip type light emitting diode chip and light emitting device including the same
SEOUL VIOSYS CO LTD0 citations52
US10559715B2Feb 11, 2020
Light emitting diode
SEOUL VIOSYS CO LTD0 citations51
US9929314B2Mar 27, 2018
Light emitting diode chip having electrode pad
SEOUL VIOSYS CO LTD0 citations51
US9397264B2Jul 19, 2016
Light emitting diode chip having electrode pad
SEOUL VIOSYS CO LTD1 citations51
US10181548B2Jan 15, 2019
Light emitting diode with high efficiency
SEOUL VIOSYS CO LTD0 citations50
US9755106B2Sep 5, 2017
Light emitting diode with improved light extraction efficiency
SEOUL VIOSYS CO LTD0 citations50
US10411164B2Sep 10, 2019
Light-emitting element having ZnO transparent electrode and method for manufacturing same
SEOUL VIOSYS CO LTD0 citations40