Heterocyclic compound and organic light-emitting device including the same
US-12598909-B2 · Apr 7, 2026 · US
This page is not indexed by search engines while we improve data quality.
Ahn Heechoon patents
Ahn Heechoon is listed as an inventor on 191 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Ahn Heechoon |
| Total patents | 191 |
| First publication | Jan 25, 2018 |
| Latest publication | Apr 7, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Light-emitting device including heterocyclic compound, electronic apparatus including the light-emitting device, electronic device including the light-emitting device, and the heterocyclic compound
US-2026096344-A1 · Apr 2, 2026 · US
Organic light-emitting device
US-12593606-B2 · Mar 31, 2026 · US
Light emitting element
US-12593608-B2 · Mar 31, 2026 · US
Light-emitting element, hetero compound for light-emitting element, and electronic apparatus including the light-emitting element
US-2026090186-A1 · Mar 26, 2026 · US
Light-emitting device including heterocyclic compound, electronic apparatus including the light-emitting device, and the heterocyclc compound
US-2026090191-A1 · Mar 26, 2026 · US
Light-emitting device including organic compound, electronic apparatus and electronic device, each including the light-emitting device, and organic compound
US-2026068423-A1 · Mar 5, 2026 · US
Organic light-emitting device and electronic apparatus including the same
US-12563962-B2 · Feb 24, 2026 · US
Organic light-emitting device and electronic apparatus including the same
US-12550606-B2 · Feb 10, 2026 · US
Heterocyclic compound, organic light-emitting device including same
US-12543498-B2 · Feb 3, 2026 · US
Recent patents
Latest publications not already listed above.
Light-emitting diode, electronic device including the light-emitting diode and heterocyclic compound for the light-emitting diode
US-2026026259-A1 · Jan 22, 2026 · US
Organic light-emitting device
US-12520712-B2 · Jan 6, 2026 · US
Heterocyclic compound and light-emitting device including the same
US-12509476-B2 · Dec 30, 2025 · US
Light-emitting device and electronic apparatus including the same
US-12514112-B2 · Dec 30, 2025 · US
Organic compound, light-emitting device including the same, electronic apparatus including the light-emitting device, and electronic equipment including the electronic apparatus
US-2025393470-A1 · Dec 25, 2025 · US
Organic electroluminescence device and polycyclic compound for organic electroluminescence device
US-2025393469-A1 · Dec 25, 2025 · US
Heterocyclic compound and light-emitting device including the same
US-12473257-B2 · Nov 18, 2025 · US
Light emitting element, nitrogen-containing compound for the same and electronic apparatus including the same
US-2025351664-A1 · Nov 13, 2025 · US
Organometallic compound and organic light-emitting device including the same
US-12457894-B2 · Oct 28, 2025 · US
Organic electroluminescence device and polycyclic compound for organic electroluminescence device
US-12448564-B2 · Oct 21, 2025 · US
Light-emitting device including heterocyclic compound, electronic apparatus including the light-emitting device, and the heterocyclic compound
US-2025311615-A1 · Oct 2, 2025 · US
Light-emitting device including heterocyclic compound, electronic apparatus including the light-emitting device, and the heterocyclic compound
US-2025311627-A1 · Oct 2, 2025 · US
Electroluminescence device
US-12433154-B2 · Sep 30, 2025 · US
Heterocyclic compound, light-emitting device including the heterocyclic compound, and electronic apparatus including the light-emitting device
US-12433151-B2 · Sep 30, 2025 · US
Organic electroluminescence device and polycyclic compound for organic electroluminescence device
US-12433150-B2 · Sep 30, 2025 · US
Light-emitting device including heterocyclic compound, electronic apparatus and electronic equipment including the light-emitting device, and the heterocyclic compound
US-2025301904-A1 · Sep 25, 2025 · US
Heterocyclic compound, light-emitting device including the same, and electronic apparatus including the light-emitting device
US-12402525-B2 · Aug 26, 2025 · US
Light-emitting device including heterocyclic compound, electronic apparatus and electronic equipment including the light-emitting device, and the heterocyclic compound
US-2025261502-A1 · Aug 14, 2025 · US
Organometallic compound, organic light-emitting device including the organometallic compound, and organic light-emitting apparatus including the organic light-emitting device
US-12378269-B2 · Aug 5, 2025 · US
Heterocyclic compound, light-emitting device including the same, and electronic apparatus including the light-emitting device
US-2025221306-A1 · Jul 3, 2025 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Samsung Display Co Ltd | 185 |
| Samsung Electronics Co Ltd | 7 |
| Nat Univ Gyeongsang Iacf | 3 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H10K50/11 | 186 |
| H10K85/6572 | 173 |
| H10K85/40 | 171 |
| C09K11/06 | 157 |
| H10K2101/10 | 151 |