OLED with triplet emitter and excited state lifetime less than 200 ns
US12082428B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Mar 10, 2020 |
| Grant date | Sep 3, 2024 |
| Priority date | — |
| Expiry date | Dec 30, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/331
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Emissive devices are provided that include a phosphorescent emitter placed within a threshold distance of an enhancement layer to achieve transient lifetimes of 200 ns or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.