Organic electroluminescence device and organometallic compound for organic electroluminescence device
US12250874B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Sep 9, 2021 |
| Grant date | Mar 11, 2025 |
| Priority date | — |
| Expiry date | Jun 14, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/90
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An organic electroluminescence device is provided and including a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region, wherein the emission layer may include an organometallic compound, thereby exhibiting high luminous efficiency and long service life characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.