Chihyun RYOO

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Organic electroluminescence device and compound for organic electro...
- Patent number 11,844,274
- Issue date Dec 12, 2023
- Samsung Display Co., Ltd.
- SooYoung Park
Information Patent Grant
Heterocyclic compound and organic light-emitting device including t...
- Patent number 10,910,566
- Issue date Feb 2, 2021
- Samsung Display Co., Ltd.
- Sehun Kim
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Heterocyclic compound and organic light-emitting device including t...
- Patent number 10,807,984
- Issue date Oct 20, 2020
- Samsung Display Co., Ltd.
- Sehun Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Polycyclic compound and organic light-emitting device including the...
- Patent number 10,593,888
- Issue date Mar 17, 2020
- Samsung Display Co., Ltd.
- Sehun Kim
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE AND COMPOUND FOR ORGANIC ELECTRO...
- Publication number 20200321535
- Publication date Oct 8, 2020
- SAMSUNG DISPLAY CO., LTD.
- SooYoung PARK
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POLYCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE...
- Publication number 20180240982
- Publication date Aug 23, 2018
- Seoul National University R&DB Foundation
- SEHUN KIM
- C07 - ORGANIC CHEMISTRY
Information Patent Application
HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING T...
- Publication number 20180233675
- Publication date Aug 16, 2018
- SAMSUNG DISPLAY CO., LTD.
- Sehun KIM
- C07 - ORGANIC CHEMISTRY
Information Patent Application
HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING T...
- Publication number 20180230156
- Publication date Aug 16, 2018
- SAMSUNG DISPLAY CO., LTD.
- Sehun KIM
- C07 - ORGANIC CHEMISTRY