Compound having dibenzofuran and naphthalene structures, and organic electroluminescent element using same
US11730054B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | Sep 6, 2022 |
| Grant date | Aug 15, 2023 |
| Priority date | — |
| Expiry date | Sep 6, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A compound that is capable of achieving an organic EL device that has a high external quantum efficiency and a long lifetime is to be provided, and a compound represented by the following formula (1) is used (wherein in the formula, R11 to R17, R21 to R28, R31 to R38, R41 to R45, R51 to R55, R61 to R64, and L1 are defined in the description).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.