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Assignee profile:

LT MATERIALS CO., LTD.

City:

Yongin-Si

Country:

South Korea

Published Applications:

43

Last publication date:

2026-06-11

Patent Grants:

31

Last grant date:

2026-06-16

Top Inventors for applications by LT MATERIALS CO., LTD.

These are the the leading inventors for applications assigned to LT MATERIALS CO., LTD.:

Recent patent applications by LT MATERIALS CO., LTD.

LT MATERIALS CO., LTD. based in Yongin-Si, KR has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:

#1 | 2026-06-11
US20260164917A1
Electricity

HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME

 #2 | 2026-02-26
US20260060003A1
Electricity

HETEROCYCLIC COMPOUND, ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME AND COMPOSITION FOR ORGANIC MATERIAL LAYER

 #3 | 2025-06-19
US20250204243A1
Electricity

HETEROCYCLIC COMPOUND, ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME AND COMPOSITION FOR ORGANIC MATERIAL LAYER

 #4 | 2025-05-29
US20250171412A1
Chemistry; metallurgy

HETEROCYCLIC COMPOUND, ORGANIC LIGHT EMITTING DEVICE INCLUDING THE SAME AND COMPOSITION FOR ORGANIC MATERIAL LAYER

 #5 | 2025-05-01
US20250143178A1
Electricity

HETEROCYCLIC COMPOUND, ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME AND COMPOSITION FOR ORGANIC MATERIAL LAYER

 #6 | 2024-07-25
US20240251666A1
Electricity

HETEROCYCLIC COMPOUND, ORGANIC LIGHT EMITTING DEVICE AND COMPOSITION FOR ORGANIC MATERIAL LAYER COMPRISING THE SAME

 #7 | 2024-07-11
US20240237516A1
Electricity

HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME

 #8 | 2024-07-11 ✅ Patent 12,660,500 granted on 2026-06-16
US20240237515A1
Electricity

COMPOSITION FOR ORGANIC LIGHT EMITTING DEVICE AND ORGANIC LIGHT EMITTING DEVICE COMPRISING SAME

 #9 | 2024-07-11
US20240237514A1
Electricity

HETEROCYCLIC COMPOUND, ORGANIC LIGHT EMITTING DEVICE COMPRISING SAME AND COMPOSITION FOR ORGANIC MATERIAL LAYER

 #10 | 2023-06-22
US20230200209A1
Electricity

ORGANOMETALLIC COMPOUND AND ORGANIC LIGHT-EMITTING DIODE INCLUDING THE SAME

 #11 | 2023-06-22
US20230200208A1
Electricity

ORGANOMETALLIC COMPOUND AND ORGANIC LIGHT-EMITTING DIODE INCLUDING THE SAME

 #12 | 2023-04-06 ✅ Patent 12,595,257 granted on 2026-04-07
US20230107166A1
Electricity

HETEROCYCLIC COMPOUND, ORGANIC LIGHT EMITTING DEVICE INCLUDING THE SAME AND COMPOSITION FOR ORGANIC LAYER OF ORGANIC LIGHT EMITTING DEVICE

 #13 | 2023-02-16
US20230051087A1
Chemistry; metallurgy

ORGANOMETALLIC COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE INCLUDING THE SAME

 #14 | 2023-02-16 ✅ Patent 12,598,911 granted on 2026-04-07
US20230048456A1
Electricity

ORGANIC LIGHT-EMITTING ELEMENT AND COMPOSITION FOR ORGANIC MATERIAL LAYER THEREOF

 #15 | 2023-01-26 ✅ Patent 12,552,985 granted on 2026-02-17
US20230023238A1
Electricity

HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME

 #16 | 2023-01-19 ✅ Patent 12,565,614 granted on 2026-03-03
US20230016632A1
Electricity

HETEROCYCLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME, COMPOSITION FOR ORGANIC MATERIAL LAYER OF ORGANIC LIGHT-EMITTING DEVICE, AND METHOD FOR MANUFACTURING ORGANIC LIGHT-EMITTING DEVICE

 #17 | 2023-01-05 ✅ Patent 12,630,575 granted on 2026-05-19
US20230002427A1
Chemistry; metallurgy

ORGANOMETALLIC COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE INCLUDING THE SAME

 #18 | 2023-01-05 ✅ Patent 12,565,484 granted on 2026-03-03
US20230002350A1
Chemistry; metallurgy

HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME

 #19 | 2022-12-29 ✅ Patent 12,617,778 granted on 2026-05-05
US20220411411A1
Chemistry; metallurgy

HETEROCYCLIC COMPOUND, ORGANIC LIGHT-EMITTING ELEMENT COMPRISING SAME, COMPOSITION FOR ORGANIC LAYER OF ORGANIC LIGHT-EMITTING ELEMENT, AND METHOD FOR PRODUCING ORGANIC LIGHT-EMITTING ELEMENT

 #20 | 2022-10-13 ✅ Patent 12,404,280 granted on 2025-09-02
US20220324877A1
Chemistry; metallurgy

HETEROCYCLIC COMPOUND, AND ORGANIC LIGHT-EMITTING ELEMENT USING SAME

 #21 | 2022-03-24 ✅ Patent 12,522,617 granted on 2026-01-13
US20220089610A1
Chemistry; metallurgy

POLYCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING SAME

 #22 | 2022-03-10
US20220077402A1
Electricity

ORGANIC COMPOUND, ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DEVICE INCLUDING THE ORGANIC COMPOUND

 #23 | 2022-03-10 ✅ Patent 12,527,218 granted on 2026-01-13
US20220077401A1
Electricity

ORGANIC COMPOUND, ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DEVICE INCLUDING THE ORGANIC COMPOUND

 #24 | 2022-02-03 ✅ Patent 12,258,353 granted on 2025-03-25
US20220033415A1
Chemistry; metallurgy

Heterocyclic compound and organic light-emitting element including same

 #25 | 2022-01-27 ✅ Patent 12,049,472 granted on 2024-07-30
US20220024948A1
Chemistry; metallurgy

Heterocyclic compound and organic light emitting device comprising same

 #26 | 2021-12-23 ✅ Patent 12,103,934 granted on 2024-10-01
US20210395263A1
Chemistry; metallurgy

Heterocyclic compound, organic light emitting diode comprising same, composition for organic layer of organic light emitting diode, and method for manufacturing organic light emitting diode

 #27 | 2021-02-25 ✅ Patent 11,785,844 granted on 2023-10-10
US20210057651A1
Electricity

Organic light emitting device, method for manufacturing same and composition for organic material layer

 #28 | 2021-01-14 ✅ Patent 12,185,627 granted on 2024-12-31
US20210013411A1
Electricity

Heterocyclic compound and organic light-emitting device comprising same

 #29 | 2020-12-24 ✅ Patent 11,812,623 granted on 2023-11-07
US20200403157A1
Electricity

Hetero-cyclic compound and organic light emitting device using the same

 #30 | 2020-12-03 ✅ Patent 12,534,464 granted on 2026-01-27
US20200381629A1
Electricity

HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT COMPRISING SAME

 #31 | 2020-11-26 ✅ Patent 11,588,110 granted on 2023-02-21
US20200373499A1
Electricity

Heterocyclic compound and organic light emitting device comprising the same

 #32 | 2020-07-30 ✅ Patent 11,665,961 granted on 2023-05-30
US20200243775A1
Electricity

Heterocyclic compound and organic light emitting device using same

 #33 | 2020-04-30 ✅ Patent 11,891,361 granted on 2024-02-06
US20200131133A1
Chemistry; metallurgy

Heterocyclic compound and organic light emitting device comprising same

 #34 | 2020-04-23 ✅ Patent 11,527,723 granted on 2022-12-13
US20200123133A1
Chemistry; metallurgy

Heterocyclic compound and organic light emitting element comprising same

 #35 | 2020-04-16 ✅ Patent 11,387,418 granted on 2022-07-12
US20200119285A1
Electricity

Organic light emitting element and composition for organic material layer in organic light emitting element

 #36 | 2020-04-09 ✅ Patent 11,515,487 granted on 2022-11-29
US20200111969A1
Electricity

Organic light emitting element and composition for organic material layer in organic light emitting element

 #37 | 2020-02-27 ✅ Patent 11,302,873 granted on 2022-04-12
US20200066996A1
Electricity

Organic light-emitting device

 #38 | 2019-10-17 ✅ Patent 11,239,427 granted on 2022-02-01
US20190319195A1
Electricity

Heterocyclic compound and organic light emitting device using same

 #39 | 2019-10-10 ✅ Patent 11,133,477 granted on 2021-09-28
US20190312211A1
Electricity

Heterocyclic compound and organic light emitting element using same

 #40 | 2019-08-29 ✅ Patent 11,248,008 granted on 2022-02-15
US20190263834A1
Chemistry; metallurgy

Heterocyclic compound and organic light emitting element using same

 #41 | 2018-12-20 ✅ Patent 10,930,857 granted on 2021-02-23
US20180366652A1
Electricity

Heterocyclic compound and organic light emitting device using same

 #42 | 2018-11-08 ✅ Patent 11,081,653 granted on 2021-08-03
US20180323379A1
Electricity

Heterocyclic compound and organic light emitting element using same

 #43 | 2017-05-18 ✅ Patent 10,644,244 granted on 2020-05-05
US20170141325A1
Electricity

Heterocyclic compound and organic light emitting device using same

Also check out LT MATERIALS CO., LTD.'s (Yongin-Si, South Korea) applicant profile with 41 patent applications submitted.

AssigneeID:

165875 ⎘