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Osan-si, KR
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last 30 patents
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Patent Grant
Heterocyclic compound and organic light emitting element comprising...
Patent number
11,527,723
Issue date
Dec 13, 2022
LT MATERIALS CO., LTD.
Young Seok No
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Heterocyclic compound and organic light emitting element comprising...
Patent number
11,515,484
Issue date
Nov 29, 2022
LT MATERIALS CO., LTD.
Geon-Yu Park
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic light emitting element and composition for organic material...
Patent number
11,515,487
Issue date
Nov 29, 2022
LT MATERIALS CO., LTD.
Young Seok No
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT COMPRISING...
Publication number
20200266355
Publication date
Aug 20, 2020
HEESUNG MATERIAL LTD.
Geon-Yu PARK
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT COMPRISING...
Publication number
20200123133
Publication date
Apr 23, 2020
HEESUNG MATERIAL LTD.
Young Seok NO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC LIGHT EMITTING ELEMENT AND COMPOSITION FOR ORGANIC MATERIAL...
Publication number
20200111969
Publication date
Apr 9, 2020
HEESUNG MATERIAL LTD.
Young Seok NO
C07 - ORGANIC CHEMISTRY