Benzopyridoindole derivative and organic electroluminescent element
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United States of America Patent
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Dec 5, 2017
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Sep 1, 2014
filing date -
Sep 9, 2013
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Abstract
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.
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