Inventor
AHN HEECHOON
KR54 patents
⚠️ This page may combine multiple inventors who share the name “AHN HEECHOON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAMSUNG DISPLAY CO LTD
49 patentsUS11171296B2Nov 9, 2021
Organometallic compound, organic light-emitting device including the same, and organic light-emitting apparatus including the organic light-emitting device
SAMSUNG DISPLAY CO LTD3 citations73
US11145823B2Oct 12, 2021
Heterocyclic compound and organic light emitting device including the same
SAMSUNG DISPLAY CO LTD3 citations73
US10916715B2Feb 9, 2021
Organometallic compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD7 citations73
US10873040B2Dec 22, 2020
Organometallic compound and organic light emitting device including the same
SAMSUNG DISPLAY CO LTD3 citations73
US10833280B2Nov 10, 2020
Condensed cyclic compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD6 citations73
US10388889B2Aug 20, 2019
Substituted phosphines as components of organic light-emitting devices
SAMSUNG DISPLAY CO LTD5 citations73
US12563962B2Feb 24, 2026
Organic light-emitting device and electronic apparatus including the same
SAMSUNG DISPLAY CO LTD0 citations62
US12550606B2Feb 10, 2026
Organic light-emitting device and electronic apparatus including the same
SAMSUNG DISPLAY CO LTD0 citations62
US12433150B2Sep 30, 2025
Organic electroluminescence device and polycyclic compound for organic electroluminescence device
SAMSUNG DISPLAY CO LTD0 citations62
US12378269B2Aug 5, 2025
Organometallic compound, organic light-emitting device including the organometallic compound, and organic light-emitting apparatus including the organic light-emitting device
SAMSUNG DISPLAY CO LTD0 citations62
US12232409B2Feb 18, 2025
Organometallic compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD0 citations62
US12069948B2Aug 20, 2024
Heterocyclic compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD0 citations62
US11925104B2Mar 5, 2024
Organometallic compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD1 citations62
US11787822B2Oct 17, 2023
Aromatic compound and organic electroluminescence device including the same
SAMSUNG DISPLAY CO LTD0 citations62
US11572378B2Feb 7, 2023
Heterocyclic compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD1 citations62
US11201295B2Dec 14, 2021
Heterocyclic compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD1 citations62
US10954254B2Mar 23, 2021
Heterocyclic compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD1 citations62
US12514112B2Dec 30, 2025
Light-emitting device and electronic apparatus including the same
SAMSUNG DISPLAY CO LTD1 citations61
US12593608B2Mar 31, 2026
Light emitting element
SAMSUNG DISPLAY CO LTD0 citations59
US12520712B2Jan 6, 2026
Organic light-emitting device
SAMSUNG DISPLAY CO LTD0 citations52
US12457894B2Oct 28, 2025
Organometallic compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD0 citations52
US12096680B2Sep 17, 2024
Organometallic compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD0 citations52
US11678564B2Jun 13, 2023
Organometallic compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD0 citations52
US11211567B2Dec 28, 2021
Heterocyclic compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD0 citations52
US10892423B2Jan 12, 2021
Condensed cyclic compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD0 citations52
US10800796B2Oct 13, 2020
Aromatic compound and organic electroluminescence device including the same
SAMSUNG DISPLAY CO LTD0 citations52
US12598909B2Apr 7, 2026
Heterocyclic compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD0 citations51
US12448564B2Oct 21, 2025
Organic electroluminescence device and polycyclic compound for organic electroluminescence device
SAMSUNG DISPLAY CO LTD0 citations51
US12262632B2Mar 25, 2025
Heterocyclic compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD0 citations51
US12245499B2Mar 4, 2025
Heterocyclic compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD0 citations51
US12193320B2Jan 7, 2025
Heterocyclic compound, light-emitting device including heterocyclic compound, and electronic apparatus including light-emitting device
SAMSUNG DISPLAY CO LTD0 citations51
US12004422B2Jun 4, 2024
Heterocyclic compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD0 citations51
US12004417B2Jun 4, 2024
Heterocyclic compound and light-emitting device including same
SAMSUNG DISPLAY CO LTD0 citations51
US11944008B2Mar 26, 2024
Heterocyclic compound and light-emitting device including same
SAMSUNG DISPLAY CO LTD0 citations51
US11903309B2Feb 13, 2024
Heterocyclic compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD0 citations51
US11611049B2Mar 21, 2023
Compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD0 citations51
US11597734B2Mar 7, 2023
Compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD0 citations51
US11450821B2Sep 20, 2022
Organic electroluminescence device and polycyclic compound for organic electroluminescence device
SAMSUNG DISPLAY CO LTD0 citations51
US11271170B2Mar 8, 2022
Heterocyclic compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD0 citations51
US11180513B2Nov 23, 2021
Compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD0 citations51
US12543498B2Feb 3, 2026
Heterocyclic compound, organic light-emitting device including same
SAMSUNG DISPLAY CO LTD0 citations50
US12509476B2Dec 30, 2025
Heterocyclic compound and light-emitting device including the same
SAMSUNG DISPLAY CO LTD0 citations50
US12473257B2Nov 18, 2025
Heterocyclic compound and light-emitting device including the same
SAMSUNG DISPLAY CO LTD0 citations50
US12433151B2Sep 30, 2025
Heterocyclic compound, light-emitting device including the heterocyclic compound, and electronic apparatus including the light-emitting device
SAMSUNG DISPLAY CO LTD0 citations50
US12433154B2Sep 30, 2025
Electroluminescence device
SAMSUNG DISPLAY CO LTD0 citations50
US12402525B2Aug 26, 2025
Heterocyclic compound, light-emitting device including the same, and electronic apparatus including the light-emitting device
SAMSUNG DISPLAY CO LTD0 citations50
US12336425B2Jun 17, 2025
Compound and light-emitting device including the same
SAMSUNG DISPLAY CO LTD0 citations50
US12317739B2May 27, 2025
Condensed cyclic compound, light-emitting device including condensed cyclic compound, and electronic apparatus including light-emitting device
SAMSUNG DISPLAY CO LTD0 citations50
US12268085B2Apr 1, 2025
Organic electroluminescence device
SAMSUNG DISPLAY CO LTD0 citations50
SAMSUNG ELECTRONICS CO LTD
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