Diamine compound, and polyimide precursor and polyimide film using same
US-12084545-B2 · Sep 10, 2024 · US
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Koo Kichul patents
Koo Kichul is listed as an inventor on 28 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Koo Kichul |
| Total patents | 28 |
| First publication | Sep 14, 2017 |
| Latest publication | Sep 10, 2024 |
Notable patents
Publications ranked by popularity score, then publication date.
Diamine compound, polyimide precursor using same, and polyimide film
US-11952343-B2 · Apr 9, 2024 · US
Cross-linking agent compound, liquid crystal alignment composition comprising the same, method of preparing liquid crystal alignment film, and liquid crystal alignment film and liquid crystal display using the same
US-11781071-B2 · Oct 10, 2023 · US
Crosslinking agent compound, photosensitive composition comprising the same, and photosensitive material using the same
US-11754921-B2 · Sep 12, 2023 · US
Liquid crystal alignment composition, method of preparing liquid crystal alignment film, and liquid crystal alignment film, and liquid crystal display using the same
US-11667844-B2 · Jun 6, 2023 · US
Liquid crystal alignment agent composition, method of preparing liquid crystal alignment film, and liquid crystal alignment film, and liquid crystal display using the same
US-11667843-B2 · Jun 6, 2023 · US
Liquid crystal alignment composition, method of preparing liquid crystal alignment film, and liquid crystal alignment film, and liquid crystal display using the same
US-11512255-B2 · Nov 29, 2022 · US
Polyimide and polyimide film, prepared therefrom, for flexible display
US-11319409-B2 · May 3, 2022 · US
Polymer for liquid crystal alignment agent, liquid crystal alignment agent comprising the same, and liquid crystal alignment film and liquid crystal display device using the same
US-11287700-B2 · Mar 29, 2022 · US
Polymer for liquid crystal alignment agent, liquid crystal alignment agent comprising the same, and liquid crystal alignment film and liquid crystal display device using the same
US-11286348-B2 · Mar 29, 2022 · US
Recent patents
Latest publications not already listed above.
Diamine compound, and polyimide precursor and polyimide film using same
US-2022033585-A1 · Feb 3, 2022 · US
Diamine compound, polyimide precursor using same, and polyimide film
US-2021317082-A1 · Oct 14, 2021 · US
Polymer for liquid crystal alignment agent, liquid crystal alignment agent comprising the same, and liquid crystal alignment film and liquid crystal display device using the same
US-2021139780-A1 · May 13, 2021 · US
Liquid crystal alignment agent composition, method of preparing liquid crystal alignment film, and liquid crystal alignment film, and liquid crystal display using the same
US-2021139782-A1 · May 13, 2021 · US
Cross-linking agent compound, liquid crystal alignment composition comprising the same, method of preparing liquid crystal alignment film, and liquid crystal alignment film and liquid crystal display using the same
US-2021122979-A1 · Apr 29, 2021 · US
Crosslinking agent compound, photosensitive composition comprising the same, and photosensitive material using the same
US-2021061976-A1 · Mar 4, 2021 · US
Liquid crystal alignment composition, method of preparing liquid crystal alignment film, and liquid crystal alignment film, and liquid crystal display using the same
US-2021040390-A1 · Feb 11, 2021 · US
Liquid crystal alignment composition, method of preparing liquid crystal alignment film, and liquid crystal alignment film, and liquid crystal display using the same
US-2021032540-A1 · Feb 4, 2021 · US
Polyimide and polyimide film, prepared therefrom, for flexible display
US-2020062904-A1 · Feb 27, 2020 · US
Compound and organic electronic element comprising same
US-10573824-B2 · Feb 25, 2020 · US
Polymer for liquid crystal alignment agent, liquid crystal alignment agent comprising the same, and liquid crystal alignment film and liquid crystal display device using the same
US-2020002478-A1 · Jan 2, 2020 · US
Heterocyclic compound and organic light emitting element comprising same
US-10377740-B2 · Aug 13, 2019 · US
Metal complex and color conversion film comprising same
US-10150911-B2 · Dec 11, 2018 · US
Metal complex and color conversion film comprising same
US-10112959-B2 · Oct 30, 2018 · US
Compound and organic electronic element comprising same
US-2018090688-A1 · Mar 29, 2018 · US
Heterocyclic compound and organic light emitting element comprising same
US-2018051003-A1 · Feb 22, 2018 · US
Metal complex and color conversion film comprising same
US-2017349822-A1 · Dec 7, 2017 · US
Metal complex and color conversion film comprising same
US-2017260212-A1 · Sep 14, 2017 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Lg Chemical Ltd | 28 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C09D179/08 | 16 |
| C08L79/08 | 14 |
| G02F1/133723 | 14 |
| C09K19/56 | 12 |
| C08G73/1007 | 12 |