Light emitting device
US12279515B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Sep 3, 2021 |
| Grant date | Apr 15, 2025 |
| Priority date | — |
| Expiry date | Dec 9, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/20
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A light emitting device of an embodiment includes oppositely disposed first electrode and second electrode, and multiple organic layers disposed between the first electrode and the second electrode, wherein at least one among the organic layers includes a fused polycyclic compound represented by Formula 1 below, thereby showing improved emission efficiency. In Formula 1, the substituents are the same as defined in the Detailed Description.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.