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发明授权
US08563740B2 Oxadiazole derivative, and light-emitting element, light-emitting device, electronic device, and lighting device using the oxadiazole derivative 有权
恶二唑衍生物，发光元件，发光元件，电子器件和使用恶二唑衍生物的照明器件

Oxadiazole derivative, and light-emitting element, light-emitting device, electronic device, and lighting device using the oxadiazole derivative
摘要：
An object of one embodiment of the present invention is to provide a novel oxadiazole derivative as a substance having high excitation energy, in particular, a substance having high triplet excitation energy. One embodiment of the present invention is an oxadiazole derivative represented by General Formula (G1) below. In General Formula (G1), R1 represents either an alkyl group having 1 to 4 carbon atoms or a substituted or unsubstituted aryl group having 6 to 13 carbon atoms. In General Formula (G1), R21 to R27 separately represent any one of a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, and a substituted or unsubstituted aryl group having 6 to 13 carbon atoms. In General Formula (G1), α represents a substituted or unsubstituted arylene group having 6 to 13 carbon atoms. In General Formula (G1), Z represents either a sulfur atom or an oxygen atom.
摘要（中）：

本发明的一个实施方案的目的是提供一种新的恶二唑衍生物作为具有高激发能的物质，特别是具有高三重态激发能的物质。 本发明的一个实施方案是下述通式（G1）表示的恶二唑衍生物。 在通式（G1）中，R 1表示碳原子数1〜4的烷基或碳原子数6〜13的取代或未取代的芳基。 在通式（G1）中，R21〜R27分别表示氢原子，碳原子数1〜4的烷基和取代或未取代的碳原子数6〜13的芳基中的任一个。 在通式（G1）中，α表示取代或未取代的碳原子数为6〜13的亚芳基。 在通式（G1）中，Z表示硫原子或氧原子。

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