Yeon-Ho Cho

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Daejeon, KR

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Patents Grantslast 30 patents

Information Patent Grant
Heterocyclic compound and organic light emitting device comprising...
- Patent number 11,407,718
- Issue date Aug 9, 2022
- LG Chem, Ltd.
- Yong Bum Cha
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Organic electroluminescent element
- Patent number 11,362,283
- Issue date Jun 14, 2022
- LG Chem, Ltd.
- Dae Woong Lee
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Amine-based compound and organic light emitting device using the same
- Patent number 11,261,176
- Issue date Mar 1, 2022
- LG Chem, Ltd.
- Yong Bum Cha
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
NOVEL HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPR...
- Publication number 20190389810
- Publication date Dec 26, 2019
- LG CHEM, LTD.
- Yong Bum CHA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NOVEL AMINE-BASED COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING...
- Publication number 20190169176
- Publication date Jun 6, 2019
- LG CHEM, LTD.
- Yong Bum CHA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT
- Publication number 20180040829
- Publication date Feb 8, 2018
- LG CHEM, LTD.
- Dae Woong Lee
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...