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Eui-Jeong CHOI
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Yongin-City, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Heterocyclic compound, organic light emitting diode comprising same...
Patent number
11,827,623
Issue date
Nov 28, 2023
LT MATERIALS CO., LTD.
Geon-Yu Park
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
HETEROCYCLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAM...
Publication number
20240107878
Publication date
Mar 28, 2024
LT MATERIALS CO., LTD.
Eui-Jeong CHOI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING...
Publication number
20230337533
Publication date
Oct 19, 2023
LT MATERIALS CO., LTD.
Eui-Jeong CHOI
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
HETEROCYCLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAM...
Publication number
20230320211
Publication date
Oct 5, 2023
LT MATERIALS CO., LTD.
Su-Jin KWON
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING...
Publication number
20230312538
Publication date
Oct 5, 2023
LT MATERIALS CO., LTD.
Eui-Jeong CHOI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
HETEROCYCLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAM...
Publication number
20230147015
Publication date
May 11, 2023
LT MATERIALS CO., LTD.
Eui-Jeong CHOI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HETEROCYCLIC COMPOUND, AND ORGANIC LIGHT-EMITTING ELEMENT COMPRISIN...
Publication number
20230115080
Publication date
Apr 13, 2023
LT MATERIALS CO., LTD.
Eui-Jeong CHOI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HETEROCYCLIC COMPOUND, ORGANIC LIGHT EMITTING DEVICE INCLUDING THE...
Publication number
20230107166
Publication date
Apr 6, 2023
LG Display Co., Ltd.
Sang-Beom KIM
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HETEROCYCLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAM...
Publication number
20220396568
Publication date
Dec 15, 2022
LT MATERIALS CO., LTD.
Seung-Gyu YANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HETEROCYCLIC COMPOUND, ORGANIC LIGHT EMITTING DIODE COMPRISING SAME...
Publication number
20210188816
Publication date
Jun 24, 2021
LT MATERIALS CO., LTD.
Geon-Yu PARK
C07 - ORGANIC CHEMISTRY