| 摘要 |
According to the present invention, there are provided a benzopyridoindole derivative represented by the following general formula (1); and an organic EL element including a pair of electrodes and at least one organic layer sandwiched therebetween, wherein the above derivative is used as a constituent material for the at least one organic layer. The benzopyridoindole derivative of the present invention is excellent in electron injection/transport performance, has hole blocking capability, is highly stable in a thin film state, and excels in various characteristics. Thus, it is useful as a material for an organic EL element with a high efficiency, a low driving voltage, and high durability.; |
| 主权项 |
1. A benzopyridoindole derivative represented by the following general formula (1) wherein,
A represents a single bond, a divalent group of an aromatic hydrocarbon, a divalent group of an aromatic heterocycle, or a divalent group of a condensed polycyclic aromatic,Ar1 and Ar2 may be the same or different, and each represent an aromatic hydrocarbon group, an aromatic heterocyclic group, or a condensed polycyclic aromatic group,R1 to R9 may be the same or different, and each represent a hydrogen atom, a deuterium atom, a fluorine atom, a chlorine atom, a cyano group, a trifluoromethyl group, an alkyl group having 1 to 6 carbon atoms, an aromatic hydrocarbon group, an aromatic heterocyclic group, or a condensed polycyclic aromatic group,W, X, Y and Z each represent a carbon atom or a nitrogen atom, andonly one of W, X, Y and Z is a nitrogen atom, and the nitrogen atom does not have the hydrogen atom of R1 to R4 or a substituent. |
