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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
12,103,934
Issue date
Oct 1, 2024
LT MATERIALS CO., LTD.
Mi-Jin Kim
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
11,527,723
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
Information
Patent Grant
Organic light emitting element and composition for organic material...
Patent number
11,387,418
Issue date
Jul 12, 2022
LT MATERIALS CO., LTD.
Young Seok No
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic light emitting diode and organic light emitting device incl...
Patent number
11,380,853
Issue date
Jul 5, 2022
LG Display Co., Ltd.
Hye-Seung Kang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Nitrogen-containing polycyclic compound and organic light emitting...
Patent number
10,672,993
Issue date
Jun 2, 2020
LT MATERIALS CO., LTD.
Young-Seok No
C07 - ORGANIC CHEMISTRY
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
Nitrogen-containing polycyclic compound and organic light emitting...
Patent number
10,177,319
Issue date
Jan 8, 2019
HEESUNG MATERIAL LTD.
Young-Seok No
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Multicyclic aromatic compound and organic light emitting device usi...
Patent number
9,899,600
Issue date
Feb 20, 2018
HEESUNG MATERIAL LTD.
Do-Hyung Lee
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Heterocyclic compound and organic light emitting device using same
Patent number
9,728,731
Issue date
Aug 8, 2017
HEESUNG MATERIAL LTD.
Hyun-Ju La
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
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
HETEROCYCLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAM...
Publication number
20240284790
Publication date
Aug 22, 2024
LT Materials Co.,Ltd.
Hyun-Joo LEE
C07 - ORGANIC CHEMISTRY
Information
Patent Application
HETEROCYCLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAM...
Publication number
20240276879
Publication date
Aug 15, 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, COMPOSITION F...
Publication number
20240262846
Publication date
Aug 8, 2024
LT MATERIALS CO., LTD.
Eui-Jeong CHOI
C07 - ORGANIC CHEMISTRY
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
HETEROCYCLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAM...
Publication number
20240246987
Publication date
Jul 25, 2024
LT MATERIALS CO., LTD.
Cheol Hun JEONG
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 COMPRISING SAM...
Publication number
20240206205
Publication date
Jun 20, 2024
LT MATERIALS CO., LTD.
Su-Yeon KIM
C07 - ORGANIC CHEMISTRY
Information
Patent Application
HETEROCYCLIC COMPOUND, ORGANIC LIGHT EMITTING DEVICE COMPRISING SAM...
Publication number
20240174687
Publication date
May 30, 2024
LT MATERIALS CO., LTD.
Eui-Jeong CHOI
C07 - ORGANIC CHEMISTRY
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
20240107878
Publication date
Mar 28, 2024
LT MATERIALS CO., LTD.
Eui-Jeong CHOI
C07 - ORGANIC CHEMISTRY
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 AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING...
Publication number
20230413665
Publication date
Dec 21, 2023
LT MATERIALS CO., LTD.
Min-Su LEE
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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 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
20230247902
Publication date
Aug 3, 2023
LT MATERIALS CO., LTD.
Young-Seok NO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC LIGHT-EMITTING DEVICE, COMPOSITION FOR ORGANIC LAYER OF ORG...
Publication number
20230232717
Publication date
Jul 20, 2023
LT MATERIALS CO., LTD.
Hyun-Joo LEE
C07 - ORGANIC CHEMISTRY
Information
Patent Application
HETEROCYCLIC COMPOUND, ORGANIC LIGHT EMITTING DEVICE COMPRISING THE...
Publication number
20230165145
Publication date
May 25, 2023
LT MATERIALS CO., LTD.
Seong-Jong PARK
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
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
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
HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING...
Publication number
20220328769
Publication date
Oct 13, 2022
LT MATERIALS CO., LTD.
Hye-Su JI
C07 - ORGANIC CHEMISTRY
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 DIODE COMPRISING SAME...
Publication number
20210395263
Publication date
Dec 23, 2021
LT MATERIALS CO., LTD.
Mi-Jin KIM
H01 - BASIC ELECTRIC ELEMENTS