Inventor
OH CHANSEOK
KR45 patents
⚠️ This page may combine multiple inventors who share the name “OH CHANSEOK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAMSUNG DISPLAY CO LTD
40 patentsUS12284905B2Apr 22, 2025
Light emitting device
SAMSUNG DISPLAY CO LTD3 citations73
US11800793B2Oct 24, 2023
Organic electroluminescence device and polycyclic compound for organic electroluminescence device
SAMSUNG DISPLAY CO LTD2 citations71
US11489124B2Nov 1, 2022
Organic electroluminescence device and fused polycyclic compound for organic electroluminescence device
SAMSUNG DISPLAY CO LTD3 citations70
US12256633B2Mar 18, 2025
Organic electroluminescence device and fused polycyclic compound for organic electroluminescence device
SAMSUNG DISPLAY CO LTD1 citations63
US12245496B2Mar 4, 2025
Light emitting device
SAMSUNG DISPLAY CO LTD1 citations63
US12052917B2Jul 30, 2024
Organic light-emitting device including heterocyclic compound with boron and nitrogen
SAMSUNG DISPLAY CO LTD2 citations62
US11957042B2Apr 9, 2024
Heterocyclic compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD1 citations62
US11895907B2Feb 6, 2024
Condensed cyclic compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD2 citations62
US11588120B2Feb 21, 2023
Condensed cyclic compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD1 citations62
US11950508B2Apr 2, 2024
Light emitting device
SAMSUNG DISPLAY CO LTD1 citations61
US12446462B2Oct 14, 2025
Condensed cyclic compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD0 citations52
US12133456B2Oct 29, 2024
Organic electroluminescence device and fused polycyclic compound for organic electroluminescence device
SAMSUNG DISPLAY CO LTD0 citations52
US11581492B2Feb 14, 2023
Organic electroluminescence device and polycyclic compound for organic electroluminescence device
SAMSUNG DISPLAY CO LTD0 citations52
US12570630B2Mar 10, 2026
Heterocylic compound and light-emitting device and electronic apparatus including the heterocyclic compound
SAMSUNG DISPLAY CO LTD0 citations51
US12545835B2Feb 10, 2026
Light-emitting device including heterocyclic compound and electronic apparatus including the light-emitting device
SAMSUNG DISPLAY CO LTD0 citations51
US12501826B2Dec 16, 2025
Light emitting device
SAMSUNG DISPLAY CO LTD0 citations51
US12464946B2Nov 4, 2025
Light emitting device
SAMSUNG DISPLAY CO LTD0 citations51
US12454643B2Oct 28, 2025
Light emitting device
SAMSUNG DISPLAY CO LTD0 citations51
US12428597B2Sep 30, 2025
Light emitting element
SAMSUNG DISPLAY CO LTD0 citations51
US12428600B2Sep 30, 2025
Light-emitting device including fused-cyclic compound and electronic apparatus including the same
SAMSUNG DISPLAY CO LTD0 citations51
US12433123B2Sep 30, 2025
Organic electroluminescence device
SAMSUNG DISPLAY CO LTD0 citations51
US12391871B2Aug 19, 2025
Light-emitting device including condensed cyclic compound and electronic apparatus including the light-emitting device
SAMSUNG DISPLAY CO LTD0 citations51
US12378469B2Aug 5, 2025
Light emitting diode and condensed polycyclic compound for the same
SAMSUNG DISPLAY CO LTD0 citations51
US12371614B2Jul 29, 2025
Condensed cyclic compound, organic light-emitting device including the same and electronic apparatus including the organic light emitting device
SAMSUNG DISPLAY CO LTD0 citations51
US12356854B2Jul 8, 2025
Light-emitting device including condensed cyclic compound and electronic apparatus including the light-emitting device
SAMSUNG DISPLAY CO LTD0 citations51
US12279515B2Apr 15, 2025
Light emitting device
SAMSUNG DISPLAY CO LTD0 citations51
US12127475B2Oct 22, 2024
Light-emitting device including condensed cyclic compound and electronic apparatus including the light-emitting device
SAMSUNG DISPLAY CO LTD0 citations51
US11991925B2May 21, 2024
Light-emitting device including condensed cyclic compound and electronic apparatus including the light-emitting device
SAMSUNG DISPLAY CO LTD0 citations51
US11910706B2Feb 20, 2024
Light-emitting device including heterocyclic compound and electronic apparatus including the light-emitting device
SAMSUNG DISPLAY CO LTD0 citations51
US11882758B2Jan 23, 2024
Heterocyclic compound, organic light-emitting device including heterocyclic compound, and electronic device including organic light-emitting device
SAMSUNG DISPLAY CO LTD0 citations51
US11839151B2Dec 5, 2023
Organic electroluminescence device and fused polycyclic compound for organic electroluminescence device
SAMSUNG DISPLAY CO LTD0 citations51
US11818952B2Nov 14, 2023
Heterocyclic compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD0 citations51
US11818953B2Nov 14, 2023
Heterocyclic compound, organic light-emitting device including heterocyclic compound, and electronic apparatus including organic light-emitting device
SAMSUNG DISPLAY CO LTD0 citations51
US11805695B2Oct 31, 2023
Organic electroluminescence device and polycyclic compound for organic electroluminescence device
SAMSUNG DISPLAY CO LTD0 citations51
US11532794B2Dec 20, 2022
Compound and light-emitting device including the same
SAMSUNG DISPLAY CO LTD0 citations51
US12588411B2Mar 24, 2026
Organic electroluminescence device and fused polycyclic compound for organic electroluminescence device
SAMSUNG DISPLAY CO LTD0 citations50
US12543500B2Feb 3, 2026
Light emitting element
SAMSUNG DISPLAY CO LTD0 citations50
US12201008B2Jan 14, 2025
Light emitting device
SAMSUNG DISPLAY CO LTD0 citations50
US12439821B2Oct 7, 2025
Light emitting device and fused polycyclic compound for light emitting device
SAMSUNG DISPLAY CO LTD0 citations49
US12598915B2Apr 7, 2026
Condensed cyclic compound, light-emitting device including the condensed cyclic compound, and electronic apparatus including the light-emitting device
SAMSUNG DISPLAY CO LTD0 citations47