Inventor
NAIJO TSUYOSHI
KR38 patents
⚠️ This page may combine multiple inventors who share the name “NAIJO TSUYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAMSUNG DISPLAY CO LTD
36 patentsUS9711736B2Jul 18, 2017
Condensed cyclic compound and organic light-emitting device comprising the same
SAMSUNG DISPLAY CO LTD12 citations84
US11411187B2Aug 9, 2022
Organic light-emitting device
SAMSUNG DISPLAY CO LTD2 citations73
US9577220B2Feb 21, 2017
Organic light emitting diode display
SAMSUNG DISPLAY CO LTD4 citations73
US9171890B2Oct 27, 2015
Organic light emitting diode display
SAMSUNG DISPLAY CO LTD5 citations73
US11832467B2Nov 28, 2023
Light-emitting device and electronic apparatus including the same
SAMSUNG DISPLAY CO LTD6 citations72
US9991446B2Jun 5, 2018
Organic light emitting device and display device having the same
SAMSUNG DISPLAY CO LTD4 citations72
US12538703B2Jan 27, 2026
Organic electroluminescence device and electronic apparatus including the same
SAMSUNG DISPLAY CO LTD0 citations62
US12274117B2Apr 8, 2025
Light-emitting device and an electronic apparatus including same
SAMSUNG DISPLAY CO LTD0 citations62
US12262629B2Mar 25, 2025
Organic light-emitting device
SAMSUNG DISPLAY CO LTD0 citations62
US12256630B2Mar 18, 2025
Light-emitting device
SAMSUNG DISPLAY CO LTD0 citations62
US11557744B2Jan 17, 2023
Organic light-emitting device and electronic apparatus including the same
SAMSUNG DISPLAY CO LTD2 citations62
US9231221B2Jan 5, 2016
Organic light emitting diode display including bent flexible substrate and method of forming the same
SAMSUNG DISPLAY CO LTD2 citations62
US9099414B2Aug 4, 2015
Organic light emitting diode display
SAMSUNG DISPLAY CO LTD2 citations62
US9041284B2May 26, 2015
Display device utilizing a flexible substrate configured to be folded
SAMSUNG DISPLAY CO LTD2 citations62
US12279475B2Apr 15, 2025
Organic light-emitting diode having color distances between pixel electrodes and organic emission layers and light-emitting display apparatus comprising the same
SAMSUNG DISPLAY CO LTD0 citations61
US12167618B2Dec 10, 2024
Light emitting element and display panel including the same
SAMSUNG DISPLAY CO LTD0 citations61
US11778844B2Oct 3, 2023
Light emitting element and display panel including the same
SAMSUNG DISPLAY CO LTD0 citations61
US11758760B2Sep 12, 2023
Organic light-emitting diode having color distances between pixel electrodes and organic emission layers and light-emitting display apparatus comprising the same
SAMSUNG DISPLAY CO LTD0 citations61
US11437604B2Sep 6, 2022
Organic light-emitting diode having color distances between pixel electrodes and organic emission layers and light-emitting display apparatus comprising the same
SAMSUNG DISPLAY CO LTD0 citations61
US12284859B2Apr 22, 2025
Organic light-emitting device and apparatus including the same
SAMSUNG DISPLAY CO LTD0 citations60
US12219789B2Feb 4, 2025
Organic light-emitting device and apparatus including the same
SAMSUNG DISPLAY CO LTD0 citations60
US11626566B2Apr 11, 2023
Organic light-emitting device and apparatus including the same
SAMSUNG DISPLAY CO LTD1 citations60
US12503642B2Dec 23, 2025
Light-emitting device including heterocyclic compound and electronic apparatus including the light-emitting device
SAMSUNG DISPLAY CO LTD0 citations52
US10673006B2Jun 2, 2020
Organic light emitting device and display device including the same
SAMSUNG DISPLAY CO LTD0 citations52
US9972661B2May 15, 2018
Organic light-emitting display device including thin-film solar cell and method of manufacturing the organic light-emitting display device
SAMSUNG DISPLAY CO LTD0 citations52
US9853248B2Dec 26, 2017
Organic light-emitting illumination apparatus with reflector
SAMSUNG DISPLAY CO LTD0 citations52
US9793494B2Oct 17, 2017
Organic light-emitting device
SAMSUNG DISPLAY CO LTD1 citations52
US9755158B2Sep 5, 2017
Organic light-emitting device
SAMSUNG DISPLAY CO LTD1 citations52
US9165978B2Oct 20, 2015
Light emitting apparatus and method for fabricating the same
SAMSUNG DISPLAY CO LTD1 citations52
US9118016B2Aug 25, 2015
Organic light emitting diode display and manufacturing method thereof
SAMSUNG DISPLAY CO LTD0 citations52
US12568759B2Mar 3, 2026
Organic light-emitting device and display apparatus including the same
SAMSUNG DISPLAY CO LTD0 citations51
US11316125B2Apr 26, 2022
Organic light-emitting device and display apparatus including the same
SAMSUNG DISPLAY CO LTD0 citations51
US12584066B2Mar 24, 2026
Light-emitting device and electronic apparatus including the same
SAMSUNG DISPLAY CO LTD0 citations50
US12082497B2Sep 3, 2024
Condensed cyclic compound and organic light emitting device comprising same
SAMSUNG DISPLAY CO LTD0 citations50
US12421255B2Sep 23, 2025
Luminescence device and polycyclic compound for luminescence device
SAMSUNG DISPLAY CO LTD0 citations48
US10243152B2Mar 26, 2019
Organic light-emitting device
SAMSUNG DISPLAY CO LTD0 citations41