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CHEMICAL COMPOUND, ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC ELECTROLUMINESCENT ELEMENT MATERIAL, AND LIGHT-EMITTING DEVICE, DISPLAY DEVICE AND LIGHTING DEVICE THAT USE ORGANIC ELECTROLUMINESCENT ELEMENT
CHEMICAL COMPOUND, ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC ELECTROLUMINESCENT ELEMENT MATERIAL, AND LIGHT-EMITTING DEVICE, DISPLAY DEVICE AND LIGHTING DEVICE THAT USE ORGANIC ELECTROLUMINESCENT ELEMENT
PROBLEM TO BE SOLVED: To provide an organic electroluminescent element which exhibits preferable luminous efficiency, driving voltage and driving durability that have little dependence on film thickness.SOLUTION: The organic electroluminescent element comprises: a substrate; a pair of electrodes consisting of a positive electrode and a negative electrode; and at least one organic layer including a light emitting layer. The at least one organic layer includes a chemical compound represented by the formula (1). (Rrepresents a hydrogen atom, an alkyl group, an aryl group, or a heteroaryl group; L represents a single bond, an arylene group, a heteroarylene group, or a biphenylene group that has or does not have a condensed ring structure; Ato Aeach represent a nitrogen atom or C-Rto C-R, where at least one of Ato Ais a nitrogen atom; Rto Reach represent a hydrogen atom, an alkyl group, an aryl group, a heteroaryl group, a cyano group, a silyl group, an amino group, or a fluorine atom.)
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机译:解决的问题:提供一种有机发光元件,其显示出优选的发光效率,驱动电压和驱动耐久性,而对膜厚度的依赖性很小。一对电极,由正电极和负电极组成;至少一个有机层包括发光层。至少一个有机层包括由式(1)表示的化合物。 (R表示氢原子,烷基,芳基或杂芳基; L表示具有或不具有稠环结构的单键,亚芳基,杂亚芳基或亚联苯基; Ato Aeach代表氮原子或C-Rto CR,其中Ato A至少一个是氮原子; Rto Reach代表氢原子,烷基,芳基,杂芳基,氰基,甲硅烷基,氨基基团或氟原子。)
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