Organic electroluminescence device
US12279519B2 · kind B2 · utility
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22Claims
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Key dates
| Filing date | Aug 19, 2020 |
| Grant date | Apr 15, 2025 |
| Priority date | — |
| Expiry date | Nov 17, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/90
Abstract
An organic electroluminescence device of an embodiment includes a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a first host and a second host which are different from each other, a first dopant including an organic metal complex containing Ir, Ru, Rh, Pt, Pd, Cu, or Os as a central metal atom, and a second dopant represented by Formula D-2 below, and thereby the organic electroluminescence device may exhibit high luminous efficiency and long service life characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.