Organic electroluminescence device and organometallic compound for organic electroluminescence device
US12426496B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Dec 2, 2021 |
| Grant date | Sep 23, 2025 |
| Priority date | — |
| Expiry date | Jun 7, 2044 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An organic electroluminescence device 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 represented by Formula 1 to thereby exhibit a long service life and/or high efficiency:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.