Compound, material for organic electroluminescence element, organic electroluminescence element, and electronic device
US10141522B2 · kind B2 · utility
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Key dates
| Filing date | Jan 19, 2018 |
| Grant date | Nov 27, 2018 |
| Priority date | — |
| Expiry date | Jan 19, 2038 |
Classification
- Technology area (CPC —)General
Abstract
A compound represented by formula (1): wherein R1 to R6, R7 to R10, R11 to R14, R15 to R18, L1, L2, Ar1, and Ar2 are as defined in the description realizes an organic electroluminescence device with long lifetime.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.