Assignee
LT MATERIALS CO LTD
KR·55 granted patents·133 pending applications·15 citations·filing 2015–2025
Top patents by PatentIndex Score
188 records- 0183US11785844B2Organic light emitting device, method for manufacturing same and composition for organic material layerLT MATERIALS CO LTD·Filed 2020·Granted Oct 10, 2023·2 cites·17 claims
- 0283US11387418B2Organic light emitting element and composition for organic material layer in organic light emitting elementLT MATERIALS CO LTD·Filed 2018·Granted Jul 12, 2022·4 cites·17 claims
- 0382US11515484B2Heterocyclic compound and organic light emitting element comprising sameLT MATERIALS CO LTD·Filed 2018·Granted Nov 29, 2022·3 cites·17 claims
- 0476US11812623B2Hetero-cyclic compound and organic light emitting device using the sameLT MATERIALS CO LTD·Filed 2020·Granted Nov 7, 2023·1 cites·8 claims
- 0575US2026076027A1Heterocyclic compound and organic light emitting device comprising sameLT MATERIALS CO LTD·Filed 2025·Application pending·0 cites
- 0674US12101998B2Heterocyclic compound and organic light emitting diode comprising sameLT MATERIALS CO LTD·Filed 2019·Granted Sep 24, 2024·1 cites·12 claims
- 0774US2026082809A1Heterocyclic compound, organic light emitting device comprising the same and composition for organic material layerLT MATERIALS CO LTD·Filed 2025·Application pending·0 cites
- 0873US2026026190A1Heterocyclic compound and organic light-emitting device including the sameLT MATERIALS CO LTD·Filed 2025·Application pending·0 cites
- 0972US2026090188A1Heterocyclic compound, organic light emitting device comprising same and composition for organic material layer of organic light emitting deviceLT MATERIALS CO LTD·Filed 2025·Application pending·0 cites
- 1071US11434228B2Heterocyclic compound and organic light emitting device comprising sameLT MATERIALS CO LTD·Filed 2018·Granted Sep 6, 2022·1 cites·14 claims
- 1171US2026047339A1Organic light emitting device, composition for organic layer of organic light emitting device and manufacturing method of organic light emitting deviceLT MATERIALS CO LTD·Filed 2025·Application pending·0 cites
- 1270US10644244B2Heterocyclic compound and organic light emitting device using sameLT MATERIALS CO LTD·Filed 2015·Granted May 5, 2020·1 cites·11 claims
- 1368US11081653B2Heterocyclic compound and organic light emitting element using sameLT MATERIALS CO LTD·Filed 2016·Granted Aug 3, 2021·1 cites·6 claims
- 1467US11827623B2Heterocyclic compound, organic light emitting diode comprising same, composition for organic layer of organic light emitting diode, and method for manufacturing organic light emitting diodeLT MATERIALS CO LTD·Filed 2019·Granted Nov 28, 2023·1 cites·17 claims
- 1566US2023232717A1Organic light-emitting device, composition for organic layer of organic lightemitting device, and method for manufacturing organic light-emitting deviceLT MATERIALS CO LTD·Filed 2021·Application pending·0 cites
- 1666US2025374748A1Heterocyclic compound, organic light emitting device comprising the same and composition for organic material layerLT MATERIALS CO LTD·Filed 2025·Application pending·0 cites
- 1766US2025287835A1Organic light-emitting device, and composition for forming organic material layerLT MATERIALS CO LTD·Filed 2025·Application pending·0 cites
- 1865US2025179354A1Heterocyclic compound, organic light emitting device comprising same and composition for organic material layer of organic light emitting deviceLT MATERIALS CO LTD·Filed 2024·Application pending·0 cites
- 1964US2025311622A1Heterocyclic compound and organic light emitting device comprising sameLT MATERIALS CO LTD·Filed 2025·Application pending·0 cites
- 2064US2025255176A1Heterocyclic compound, organic light-emitting element comprising same, and composition for organic layer of organic light-emitting elementLT MATERIALS CO LTD·Filed 2025·Application pending·0 cites
- 2164US2025353837A1Heterocyclic compound, organic light emitting device and composition for organic material layer of organic light emitting deviceLT MATERIALS CO LTD·Filed 2025·Application pending·0 cites
- 2264US2026096342A1Heterocyclic compound, composition for organic layer including the same and light emitting device including the sameLT MATERIALS CO LTD·Filed 2025·Application pending·0 cites
- 2363US2025171412A1Heterocyclic compound, organic light emitting device including the same and composition for organic material layerLT MATERIALS CO LTD·Filed 2024·Application pending·0 cites
- 2463US2023247902A1Heterocyclic compound, organic light-emitting device comprising same, and composition for organic layer of organic light-emitting deviceLT MATERIALS CO LTD·Filed 2021·Application pending·0 cites
- 2563US2025204243A1Heterocyclic compound, organic light emitting device comprising the same and composition for organic material layerLT MATERIALS CO LTD·Filed 2024·Application pending·0 cites
- 2662US2026026256A1Heterocyclic compound and organic light-emitting device comprising sameLT MATERIALS CO LTD·Filed 2023·Application pending·0 cites
- 2762US2025143178A1Heterocyclic compound, organic light emitting device comprising the same and composition for organic material layerLT MATERIALS CO LTD·Filed 2024·Application pending·0 cites
- 2862US2025255088A1Heterocyclic compound, organic light-emitting element comprising same, and composition for organic layer of organic light-emitting elementLT MATERIALS CO LTD·Filed 2025·Application pending·0 cites
- 2962US2025318427A1Compound and organic light emitting device comprising sameLT MATERIALS CO LTD·Filed 2025·Application pending·0 cites
- 3061US2024237516A1Heterocyclic compound and organic light emitting device comprising the sameLT MATERIALS CO LTD·Filed 2023·Application pending·0 cites
- 3161US2023165145A1Heterocyclic compound, organic light emitting device comprising the same and composition for organic material layer of organic light emitting deviceLT MATERIALS CO LTD·Filed 2021·Application pending·0 cites
- 3260US2026060003A1Heterocyclic compound, organic light emitting device comprising the same and composition for organic material layerLT MATERIALS CO LTD·Filed 2025·Application pending·0 cites
- 3360US2025031513A1Organic light emitting deviceLT MATERIALS CO LTD·Filed 2024·Application pending·0 cites
- 3460US2025221145A1Heterocyclic compound, organic light-emitting device comprising same, and composition comprising same for forming organic layerLT MATERIALS CO LTD·Filed 2023·Application pending·0 cites
- 3560US2024237514A1Heterocyclic compound, organic light emitting device comprising same and composition for organic material layerLT MATERIALS CO LTD·Filed 2023·Application pending·0 cites
- 3659US11891361B2Heterocyclic compound and organic light emitting device comprising sameLT MATERIALS CO LTD·Filed 2018·Granted Feb 6, 2024·0 cites·9 claims
- 3759US11527723B2Heterocyclic compound and organic light emitting element comprising sameLT MATERIALS CO LTD·Filed 2018·Granted Dec 13, 2022·0 cites·9 claims
- 3859US2026007070A1Heterocyclic compound, organic light-emitting element comprising same, and composition for organic layerLT MATERIALS CO LTD·Filed 2023·Application pending·0 cites
- 3959US2024298525A1Heterocyclic compound, organic light-emitting element comprising same, and composition for organic material layerLT MATERIALS CO LTD·Filed 2022·Application pending·0 cites
- 4059US2024237515A1Composition for organic light emitting device and organic light emitting device comprising sameLT MATERIALS CO LTD·Filed 2023·Application pending·0 cites
- 4159US2023127942A1Heterocyclic compound and organic light emitting device using sameLT MATERIALS CO LTD·Filed 2022·Application pending·0 cites
- 4259US2024246987A1Heterocyclic compound, organic light-emitting device comprising same, and composition for organic layerLT MATERIALS CO LTD·Filed 2022·Application pending·0 cites
- 4359US2024180027A1Organic light emitting device, and composition for formation of organic material layerLT MATERIALS CO LTD·Filed 2023·Application pending·0 cites
- 4459US2024251666A1Heterocyclic compound, organic light emitting device and composition for organic material layer comprising the sameLT MATERIALS CO LTD·Filed 2023·Application pending·0 cites
- 4559US2026096277A1Heterocyclic compound and organic light-emitting device including sameLT MATERIALS CO LTD·Filed 2023·Application pending·0 cites
- 4659US2024092776A1Heterocyclic compound, organic light-emitting device comprising sameLT MATERIALS CO LTD·Filed 2023·Application pending·0 cites
- 4759US2023337533A1Heterocyclic compound and organic light-emitting device comprising sameLT MATERIALS CO LTD·Filed 2021·Application pending·0 cites
- 4859US2025160201A1Composition for organic material layer of organic light emitting device and organic light emitting device comprising sameLT MATERIALS CO LTD·Filed 2024·Application pending·0 cites
- 4958US2024130232A1Heterocyclic compound, organic light emitting device, and composition for organic material layer of organic light emitting deviceLT MATERIALS CO LTD·Filed 2023·Application pending·0 cites
- 5058US2024336541A1Amine compound and organic light-emitting device comprising sameLT MATERIALS CO LTD·Filed 2022·Application pending·0 cites
Showing the top 50 of 188 patent records by PatentIndex Score.
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