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发明授权
US07696348B2 Quinoxaline derivative, and light-emitting element, light-emitting device, electronic device using the quinoxaline derivative 有权
喹喔啉衍生物，发光元件，发光元件，使用喹喔啉衍生物的电子器件

Quinoxaline derivative, and light-emitting element, light-emitting device, electronic device using the quinoxaline derivative
摘要：
It is an object to provide a novel bipolar organic compound. In particular, it is an object to provide a bipolar organic compound excellent in thermal stability. Further, it is another object to provide a bipolar organic compound which is electrochemically stable. A quinoxaline derivative represented by a general formula (1) is provided. Further, since the quinoxaline derivative represented by the general formula (1) is bipolar, the use of the quinoxaline derivative of the present invention allows fabrication of a light-emitting element and a light-emitting device with a low driving voltage and low power consumption. Furthermore, a light-emitting element with high luminous efficiency can be obtained.
摘要（中）：

本发明的目的是提供一种新型的双极有机化合物。 特别是其目的在于提供热稳定性优异的双极性有机化合物。 此外，另一个目的是提供一种电化学稳定的双极有机化合物。 提供由通式（1）表示的喹喔啉衍生物。 此外，由于通式（1）表示的喹喔啉衍生物是双极性的，所以使用本发明的喹喔啉衍生物可以制造具有低驱动电压和低功耗的发光元件和发光器件 。 此外，可以获得具有高发光效率的发光元件。

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