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Geon-Yu PARK
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Osan-city, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Heterocyclic compound, organic light emitting diode comprising same...
Patent number
12,018,022
Issue date
Jun 25, 2024
LT MATERIALS CO., LTD.
Geon-Yu Park
C07 - ORGANIC CHEMISTRY
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
Information
Patent Grant
Organic light emitting device, method for manufacturing same and co...
Patent number
11,785,844
Issue date
Oct 10, 2023
LT MATERIALS CO., LTD.
Seok-Hyeon Yu
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
Heterocyclic compound and organic light emitting device using same
Patent number
10,644,244
Issue date
May 5, 2020
LT MATERIALS CO., LTD.
Jung-Hyun Lee
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hetero-cyclic compound and organic light emitting device using the...
Patent number
10,381,577
Issue date
Aug 13, 2019
HEESUNG MATERIAL LTD.
Geon-Yu Park
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hetero-cyclic compound and organic light emitting device using the...
Patent number
10,026,908
Issue date
Jul 17, 2018
HEESUNG MATERIAL 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
20240389455
Publication date
Nov 21, 2024
LT MATERIALS CO., LTD.
Young-Beom SEO
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
HETEROCYCLIC COMPOUND, ORGANIC LIGHT EMITTING DEVICE COMPRISING SAM...
Publication number
20240352003
Publication date
Oct 24, 2024
LT MATERIALS CO., LTD.
Eui Jeong CHOI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
HETEROCYCLIC COMPOUND, ORGANIC LIGHT-EMITTING ELEMENT COMPRISING SA...
Publication number
20240298525
Publication date
Sep 5, 2024
LT MATERIALS CO., LTD.
Geon-Yu PARK
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ORGANIC COMPOUND, ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EM...
Publication number
20240246953
Publication date
Jul 25, 2024
LG Display Co., Ltd.
Sang-Beom KIM
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ORGANIC COMPOUND, ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EM...
Publication number
20240237519
Publication date
Jul 11, 2024
LG Display Co., Ltd.
Seon-Keun YOO
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
HETEROCYCLIC COMPOUND, ORGANIC LIGHT EMITTING DEVICE, AND COMPOSITI...
Publication number
20240130232
Publication date
Apr 18, 2024
LT MATERIALS CO., LTD.
Hyun-Joo LEE
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
HETEROCYCLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAM...
Publication number
20240043411
Publication date
Feb 8, 2024
LT MATERIALS CO., LTD.
Geon-Yu PARK
C07 - ORGANIC CHEMISTRY
Information
Patent Application
HETEROCYCLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAM...
Publication number
20230357209
Publication date
Nov 9, 2023
LT MATERIALS CO., LTD.
Young Beom SEO
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
COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME
Publication number
20230337526
Publication date
Oct 19, 2023
LT Materials Co.,Ltd.
Geon-Yu PARK
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
HETEROCYCLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAM...
Publication number
20230247902
Publication date
Aug 3, 2023
LT MATERIALS CO., LTD.
Young-Seok NO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
HETEROCYCLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAM...
Publication number
20230150982
Publication date
May 18, 2023
LT MATERIALS CO., LTD.
Young-Seok NO
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
ORGANIC LIGHT-EMITTING DEVICE, METHOD FOR MANUFACTURING SAME, AND C...
Publication number
20220340550
Publication date
Oct 27, 2022
LT MATERIALS CO., LTD.
Seung-Gyu YANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME
Publication number
20220315541
Publication date
Oct 6, 2022
LT MATERIALS CO., LTD.
Geon-Yu PARK
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HETEROCYCLIC COMPOUND, ORGANIC LIGHT-EMITTING DIODE COMPRISING SAME...
Publication number
20220320442
Publication date
Oct 6, 2022
LT MATERIALS CO., LTD.
Su-Yeon KIM
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HETEROCYCLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAM...
Publication number
20220048899
Publication date
Feb 17, 2022
LT MATERIALS CO., LTD.
Su-Yeon KIM
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
Information
Patent Application
HETEROCYCLIC COMPOUND, ORGANIC LIGHT EMITTING DIODE COMPRISING SAME...
Publication number
20210179596
Publication date
Jun 17, 2021
LT MATERIALS CO., LTD.
Geon-Yu PARK
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HETEROCYCLIC COMPOUND, ORGANIC LIGHT EMITTING DIODE COMPRISING SAME...
Publication number
20210094914
Publication date
Apr 1, 2021
LT MATERIALS CO., LTD.
Geon-Yu PARK
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC LIGHT EMITTING DEVICE, METHOD FOR MANUFACTURING SAME AND CO...
Publication number
20210057651
Publication date
Feb 25, 2021
LT MATERIALS CO., LTD.
Seok-Hyeon YU
H01 - BASIC ELECTRIC ELEMENTS
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
ORGANIC LIGHT EMITTING ELEMENT AND COMPOSITION FOR ORGANIC MATERIAL...
Publication number
20190393430
Publication date
Dec 26, 2019
HEESUNG MATERIAL LTD.
Geon Yu PARK
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT USING SAME
Publication number
20180287072
Publication date
Oct 4, 2018
HEESUNG MATERIAL LTD.
Geon-yu PARK
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HETERO-CYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING THE...
Publication number
20170331052
Publication date
Nov 16, 2017
HEESUNG MATERIAL LTD.
Geon-Yu PARK
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
HETERO-CYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING THE...
Publication number
20170213988
Publication date
Jul 27, 2017
HEESUNG MATERIAL LTD.
Geon-Yu PARK
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING SAME
Publication number
20170141325
Publication date
May 18, 2017
HEESUNG MATERIAL LTD.
Jung-Hyun LEE
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
HYDROCARBON-BASED FUSED RING COMPOUND AND ORGANIC LIGHT EMITTING DE...
Publication number
20140197393
Publication date
Jul 17, 2014
HEESUNG MATERIAL LTD.
Jun-A LEE
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...