Compound having tetraazatriphenylene ring structure, light-emitting material, and organic electroluminescent device
US11283026B2 · kind B2 · utility
2Cited by
2References
14Claims
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Key dates
| Filing date | Apr 15, 2015 |
| Grant date | Mar 22, 2022 |
| Priority date | — |
| Expiry date | May 12, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K50/18
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A compound that emits fluorescence and delayed fluorescence is provided as a material for an organic electroluminescent device of high efficiency, and an organic photoluminescent device and an organic electroluminescent device of high efficiency and high luminance are provided using this compound. The compound of general formula (1) having a tetraazatriphenylene ring structure is used as a constituent material of at least one organic layer in an organic electroluminescent device that includes a pair of electrodes, and one or more organic layers sandwiched between the pair of electrodes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.