Organic electroluminescent element, material for organic electroluminescent element and light emitting device, display device, and illumination device, each employing organic electroluminescent element
US9728726B2 · kind B2 · utility
8Cited by
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32Claims
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Key dates
| Filing date | Nov 1, 2012 |
| Grant date | Aug 8, 2017 |
| Priority date | — |
| Expiry date | Mar 26, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K85/6576
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This application relates in part to an organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and an organic layer(s) including a light emitting layer, in which the organic layer(s) contains a compound represented by the following formula (1), in which R1 to R8 are each hydrogen or a substituent, at least one of R1 to R4 and at least one of R5 to R8 are each a substituent represented by the formula (2); R9 to R12, Z1 to Z4, Ar1, Ar2, and L1 are as defined herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.