Inventor
HWANG SEOK-HWAN
KR139 patents
⚠️ This page may combine multiple inventors who share the name “HWANG SEOK-HWAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAMSUNG DISPLAY CO LTD
27 patentsUS10211406B2Feb 19, 2019
Phenylcarbazole-based compounds and fluorene-based compounds and organic light emitting device and flat panel display device comprising the same
SAMSUNG DISPLAY CO LTD15 citations94
US9917258B2Mar 13, 2018
Phenylcarbazole-based compounds and fluorene-based compounds and organic light emitting device and flat panel display device comprising the same
SAMSUNG DISPLAY CO LTD13 citations93
US9478754B2Oct 25, 2016
Phenylcarbazole-based compounds and fluorene-based compounds and organic light emitting device and flat panel display device comprising the same
SAMSUNG DISPLAY CO LTD21 citations93
US11482678B2Oct 25, 2022
Phenylcarbazole-based compounds and fluorene-based compounds and organic light emitting device and flat panel display device comprising the same
SAMSUNG DISPLAY CO LTD3 citations84
US9711736B2Jul 18, 2017
Condensed cyclic compound and organic light-emitting device comprising the same
SAMSUNG DISPLAY CO LTD12 citations84
US9548456B2Jan 17, 2017
Organic compound and organic light emitting diode device including the same
SAMSUNG DISPLAY CO LTD12 citations84
US9425407B2Aug 23, 2016
Heterocyclic compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD9 citations84
US10573821B2Feb 25, 2020
Phenylcarbazole-based compounds and fluorene-based compounds and organic light emitting device and flat panel display device comprising the same
SAMSUNG DISPLAY CO LTD1 citations73
US10256416B2Apr 9, 2019
Compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD2 citations73
US10069083B2Sep 4, 2018
Condensed cyclic compounds and organic light-emitting devices including the same
SAMSUNG DISPLAY CO LTD3 citations73
US9960359B2May 1, 2018
Arylamine-based compound and organic light emitting diode comprising the same
SAMSUNG DISPLAY CO LTD4 citations73
US9825231B2Nov 21, 2017
Condensed cyclic compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD4 citations73
US9822133B2Nov 21, 2017
Organic light-emitting device
SAMSUNG DISPLAY CO LTD3 citations73
US9705088B2Jul 11, 2017
Triazine-based compounds and organic light-emitting devices including triazine-based compounds
SAMSUNG DISPLAY CO LTD5 citations73
US9608211B2Mar 28, 2017
Heterocyclic compound and organic light-emitting diode including the same
SAMSUNG DISPLAY CO LTD2 citations73
US9601700B2Mar 21, 2017
Condensed cyclic compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD5 citations73
US9583715B2Feb 28, 2017
Anthracene-based compounds and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD4 citations73
US9567287B2Feb 14, 2017
Compound for organic light-emitting diode and organic light-emitting diode including the same
SAMSUNG DISPLAY CO LTD2 citations73
US9425416B2Aug 23, 2016
Condensed cyclic compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD4 citations73
US9397300B2Jul 19, 2016
Compound and organic light-emitting diode including the same
SAMSUNG DISPLAY CO LTD3 citations73
US9371270B2Jun 21, 2016
Compound for organic light-emitting device and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD3 citations73
US8344365B2Jan 1, 2013
Organic light emitting device
SAMSUNG DISPLAY CO LTD6 citations73
US12289990B2Apr 29, 2025
Phenylcarbazole-based compounds and fluorene-based compounds and organic light emitting device and flat panel display device comprising the same
SAMSUNG DISPLAY CO LTD0 citations63
US11950501B2Apr 2, 2024
Phenylcarbazole-based compounds and fluorene-based compounds and organic light emitting device and flat panel display device comprising the same
SAMSUNG DISPLAY CO LTD0 citations63
US10193072B2Jan 29, 2019
Pyrene-based compound and organic light-emitting diode comprising the same
SAMSUNG DISPLAY CO LTD1 citations63
US10193074B2Jan 29, 2019
Amine-based compound and organic light-emitting device including the same
SAMSUNG DISPLAY CO LTD2 citations63
US9837614B2Dec 5, 2017
Condensed-cyclic compound and organic light-emitting device comprising the same
SAMSUNG DISPLAY CO LTD2 citations63
SAMSUNG MOBILE DISPLAY CO LTD
8 patentsUS8021764B2Sep 20, 2011
Phenylcarbazole-based compound and organic electroluminescent device employing the same
SAMSUNG MOBILE DISPLAY CO LTD71 citations98
US7737627B2Jun 15, 2010
Fluorene-based compound and organic electroluminescent display device using the same
SAMSUNG MOBILE DISPLAY CO LTD73 citations98
US8021765B2Sep 20, 2011
Phenylcarbazole-based compound and organic electroluminescent device employing the same
SAMSUNG MOBILE DISPLAY CO LTD33 citations92
US7585573B2Sep 8, 2009
Ir compound and organic electroluminescent device using the same
SAMSUNG MOBILE DISPLAY CO LTD46 citations92
US8044577B2Oct 25, 2011
Full-color electroluminescent display device with multiple emission layers and method of fabricating the same
SAMSUNG MOBILE DISPLAY CO LTD7 citations84
US7927719B2Apr 19, 2011
Silanylamine-based compound, method of preparing the same and organic light emitting device including organic layer comprising the silanylamine-based compound
SAMSUNG MOBILE DISPLAY CO LTD9 citations84
US7846559B2Dec 7, 2010
Heterocyclic compound and an organic light emitting device comprising the same
SAMSUNG MOBILE DISPLAY CO LTD7 citations74
US7582366B2Sep 1, 2009
Difluoropyridine-based compound and organic electroluminescent device using the same
SAMSUNG MOBILE DISPLAY CO LTD7 citations74
KIM YOUNG-KOOK
5 patentsUS9246109B2Jan 26, 2016
Compound and organic light emitting device including the same
KIM YOUNG-KOOK3 citations73
US9181474B2Nov 10, 2015
Amine-based compound and organic light-emitting diode including the same
KIM YOUNG-KOOK7 citations73
US8911885B2Dec 16, 2014
Heteroarylamine compound and organic luminescence device using the same
KIM YOUNG-KOOK4 citations73
US8846213B2Sep 30, 2014
Organic light-emitting device
KIM YOUNG-KOOK4 citations73
US8399880B2Mar 19, 2013
Heteroarylamine compound and organic light-emitting device including the same
KIM YOUNG-KOOK6 citations73
HWANG SEOK-HWAN
4 patentsUS8974922B2Mar 10, 2015
Phenylcarbazole-based compounds and fluorene-based compounds and organic light emitting device and flat panel display device comprising the same
HWANG SEOK-HWAN28 citations98
US8188315B2May 29, 2012
Organic light emitting device and flat panel display device comprising the same
HWANG SEOK-HWAN45 citations98
US9105860B2Aug 11, 2015
Organic light emitting diode
HWANG SEOK-HWAN7 citations84
US8394511B2Mar 12, 2013
Compound for forming organic film, and organic light emitting device and flat panel display device including the same
HWANG SEOK-HWAN6 citations72
SAMSUNG SDI CO LTD
3 patentsUS7431997B2Oct 7, 2008
Phenylcarbazole compounds and organic electroluminescence devices using the same
SAMSUNG SDI CO LTD67 citations98
US7413817B2Aug 19, 2008
4,4′-Bis(carbazol-9-yl)-biphenyl based silicone compound and organic electroluminescent device using the same
SAMSUNG SDI CO LTD7 citations74
US7351481B2Apr 1, 2008
Imidazole ring-containing compound and organic electroluminescence display device
SAMSUNG SDI CO LTD7 citations74
LEE SUN-YOUNG
1 patentHAN SANG-HYUN
1 patentHYUNDAI MOTOR CO LTD
1 patentShowing the top 50 of 139 patents by PatentIndex Score.