Bicarbazole derivative, preparation process and use thereof, and organic luminescent device
US10050213B2 · kind B2 · utility
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6Claims
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Key dates
| Filing date | May 30, 2014 |
| Grant date | Aug 14, 2018 |
| Priority date | — |
| Expiry date | Apr 11, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention provides a bicarbazole derivative represented by formula (I), wherein A is a group represented by formula (II), and wherein X, Y and Z represent a carbon atom or a nitrogen atom, and at least one of X, Y and Z represent a nitrogen atom. The invention further provides a process for preparing the compound. The invention further provides an organic electroluminescent device comprising the compound. This compound can be used as a phosphorescence host material, a hole-injecting material or a hole-transporting material in an organic electroluminescent device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.