Inventor
JANG SEONG GYU
KR48 patents
⚠️ This page may combine multiple inventors who share the name “JANG SEONG GYU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEOUL VIOSYS CO LTD
47 patentsUS11552057B2Jan 10, 2023
LED unit for display and display apparatus having the same
SEOUL VIOSYS CO LTD27 citations95
US11552061B2Jan 10, 2023
Light emitting device with LED stack for display and display apparatus having the same
SEOUL VIOSYS CO LTD16 citations94
US10892297B2Jan 12, 2021
Light emitting diode (LED) stack for a display
SEOUL VIOSYS CO LTD13 citations94
US10748881B2Aug 18, 2020
Light emitting device with LED stack for display and display apparatus having the same
SEOUL VIOSYS CO LTD14 citations94
US11527519B2Dec 13, 2022
LED unit for display and display apparatus having the same
SEOUL VIOSYS CO LTD12 citations86
US11282981B2Mar 22, 2022
Passivation covered light emitting unit stack
SEOUL VIOSYS CO LTD8 citations86
US11527514B2Dec 13, 2022
LED unit for display and display apparatus having the same
SEOUL VIOSYS CO LTD4 citations84
US10892296B2Jan 12, 2021
Light emitting device having commonly connected LED sub-units
SEOUL VIOSYS CO LTD4 citations84
US10886327B2Jan 5, 2021
Light emitting stacked structure and display device having the same
SEOUL VIOSYS CO LTD6 citations84
US10784240B2Sep 22, 2020
Light emitting device with LED stack for display and display apparatus having the same
SEOUL VIOSYS CO LTD4 citations84
US12356760B2Jul 8, 2025
Light emitting device with LED stack for display and display apparatus having the same
SEOUL VIOSYS CO LTD1 citations75
US11973104B2Apr 30, 2024
Light emitting stacked structure and display device having the same
SEOUL VIOSYS CO LTD3 citations75
US12100696B2Sep 24, 2024
Light emitting diode for display and display apparatus having the same
SEOUL VIOSYS CO LTD2 citations73
US11804511B2Oct 31, 2023
Light emitting device with LED stack for display and display apparatus having the same
SEOUL VIOSYS CO LTD1 citations73
US11532664B2Dec 20, 2022
Light emitting diode (LED) stack for a display
SEOUL VIOSYS CO LTD2 citations73
US11527513B2Dec 13, 2022
LED unit for display and display apparatus having the same
SEOUL VIOSYS CO LTD1 citations73
US11522006B2Dec 6, 2022
Light emitting stacked structure and display device having the same
SEOUL VIOSYS CO LTD1 citations73
US11289461B2Mar 29, 2022
Light emitting device with LED stack for display and display apparatus having the same
SEOUL VIOSYS CO LTD3 citations73
US10886447B2Jan 5, 2021
Light emitting device
SEOUL VIOSYS CO LTD2 citations73
US12550482B2Feb 10, 2026
Passivation covered light emitting unit stack
SEOUL VIOSYS CO LTD0 citations63
US12494461B2Dec 9, 2025
Light emitting diode for display and display apparatus having the same
SEOUL VIOSYS CO LTD0 citations63
US12490553B2Dec 2, 2025
Ultraviolet light emitting diode
SEOUL VIOSYS CO LTD0 citations63
US12456716B2Oct 28, 2025
LED unit for display and display apparatus having the same
SEOUL VIOSYS CO LTD0 citations63
US12453232B2Oct 21, 2025
Lighting emitting stacked structure and display device having the same
SEOUL VIOSYS CO LTD0 citations63
US12255190B2Mar 18, 2025
Light emitting device with LED stack for display and display apparatus having the same
SEOUL VIOSYS CO LTD0 citations63
US12183773B2Dec 31, 2024
Light emitting stacked structure and display device having the same
SEOUL VIOSYS CO LTD0 citations63
US12142602B2Nov 12, 2024
Light emitting diode for display and display apparatus having the same
SEOUL VIOSYS CO LTD0 citations63
US12107081B2Oct 1, 2024
LED unit for display and display apparatus having the same
SEOUL VIOSYS CO LTD0 citations63
US12062684B2Aug 13, 2024
Light emitting diode (LED) stack for a display
SEOUL VIOSYS CO LTD0 citations63
US12040351B2Jul 16, 2024
Light emitting diode stack including organic and inorganic layers
SEOUL VIOSYS CO LTD0 citations63
US12021111B2Jun 25, 2024
Light emitting diode stack including hydrophilic material layer
SEOUL VIOSYS CO LTD0 citations63
US12009384B2Jun 11, 2024
Light emitting diode (LED) stack for a display
SEOUL VIOSYS CO LTD0 citations63
US11935912B2Mar 19, 2024
Light emitting device having commonly connected LED sub-units
SEOUL VIOSYS CO LTD0 citations63
US11923348B2Mar 5, 2024
Light emitting device with LED stack for display and display apparatus having the same
SEOUL VIOSYS CO LTD0 citations63
US11756984B2Sep 12, 2023
Light emitting stacked structure and display device having the same
SEOUL VIOSYS CO LTD0 citations63
US11749780B2Sep 5, 2023
Ultraviolet light emitting diode
SEOUL VIOSYS CO LTD0 citations63
US11610939B2Mar 21, 2023
Light emitting diode (LED) stack for a display
SEOUL VIOSYS CO LTD0 citations63
US11563052B2Jan 24, 2023
Light emitting diode (LED) stack for a display
SEOUL VIOSYS CO LTD0 citations63
US11557577B2Jan 17, 2023
Light emitting device with LED stack for display and display apparatus having the same
SEOUL VIOSYS CO LTD0 citations63
US11289536B2Mar 29, 2022
Light emitting device having commonly connected LED sub-units
SEOUL VIOSYS CO LTD0 citations63
US12334482B2Jun 17, 2025
Light emitting device with LED stack for display and display apparatus having the same
SEOUL VIOSYS CO LTD0 citations62
US12274106B2Apr 8, 2025
Light emitting stacked structure including epitaxial layers connecting with electrodes and display device having the same
SEOUL VIOSYS CO LTD0 citations62
US12009466B2Jun 11, 2024
Light emitting device
SEOUL VIOSYS CO LTD0 citations62
US11876156B2Jan 16, 2024
Light emitting device
SEOUL VIOSYS CO LTD0 citations62
US11804512B2Oct 31, 2023
Light emitting stacked structure and display device having the same
SEOUL VIOSYS CO LTD0 citations62
US11502230B2Nov 15, 2022
Light emitting device
SEOUL VIOSYS CO LTD0 citations62
US10868215B2Dec 15, 2020
Ultraviolet light emitting diode
SEOUL VIOSYS CO LTD0 citations52