Luminescence device and amine compound for organic electroluminescence device
US12178121B2 · kind B2 · utility
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22Claims
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Key dates
| Filing date | Aug 24, 2021 |
| Grant date | Dec 24, 2024 |
| Priority date | — |
| Expiry date | Apr 25, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K50/15
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region. The hole transport region may include an amine compound represented by Formula 1, thereby exhibiting high luminous efficiency:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.