Organic light-emitting device and apparatus including the same
US12284859B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Mar 6, 2023 |
| Grant date | Apr 22, 2025 |
| Priority date | — |
| Expiry date | Mar 27, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/40
Abstract
An organic light-emitting device includes a mixed layer, an emission layer, and a buffer layer and satisfies one of Equation 1 or Equation 2 and Equation 3: T1(D)≥T1(Mix)+0.3 eV Equation 1T1(H)≥T1(Mix)+0.3 eV Equation 2T1(Mix)<T1(Buffer)+0.5 eV. Equation 3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.