Organic electroluminescence device and polycyclic compound for organic electroluminescence device
US11812659B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Sep 22, 2020 |
| Grant date | Nov 7, 2023 |
| Priority date | — |
| Expiry date | Feb 28, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An organic electroluminescence device of an embodiment includes a first electrode, a second electrode opposite the first electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a polycyclic compound represented by Formula 1, thereby showing improved emission efficiency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.