Organic electroluminescent device
US11937440B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Jul 5, 2018 |
| Grant date | Mar 19, 2024 |
| Priority date | — |
| Expiry date | Mar 15, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K50/166
Abstract
The present invention may provide an organic electroluminescent device which exhibits low driving voltage as well as high efficiency by including an electron transporting layer material having an improved electron transporting ability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.