Organic electroluminescence device and fused polycyclic compound for organic electroluminescence device
US12279527B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Dec 10, 2018 |
| Grant date | Apr 15, 2025 |
| Priority date | — |
| Expiry date | Aug 19, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/20
Abstract
An organic electroluminescence device of an embodiment includes a first electrode, a second electrode and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one organic layer among the organic layers includes a fused polycyclic compound in which a dibenzoheterocyclic derivative and a monoheterocyclic derivative containing at least one nitrogen atom as a ring-forming atom are connected via a linker to form a ring, thereby showing improved emission efficiency and improved device reliability.
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