Host materials for electroluminescent devices
US11672176B2 · kind B2 · utility
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31References
20Claims
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Key dates
| Filing date | Nov 5, 2020 |
| Grant date | Jun 6, 2023 |
| Priority date | — |
| Expiry date | May 29, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/331
Abstract
Disclosed is an OLED configuration that although comprises an exciplex that has an emission spectrum that is redder than the emission spectrum of the emitter, the emission from the exciplex is suppressed so that the overall OLED emission spectrum is still dominated by the emission of the emitter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.