Plurality of host materials and an organic electroluminescence device comprising the same
US10069086B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | Aug 20, 2015 |
| Grant date | Sep 4, 2018 |
| Priority date | — |
| Expiry date | Aug 20, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/351
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a plurality of host materials and an organic electroluminescent device comprising the same. By comprising a specific combination of a plurality of host compounds, the organic electroluminescent device according to the present invention provides excellent lifespan characteristics while maintaining high luminous efficiency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.