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Invention Publication
CN106057846A 发光元件、显示装置、电子设备及照明装置 失效 - 权利终止

发光元件、显示装置、电子设备及照明装置
Abstract:
本发明的一个方式的目的之一是提供一种包括荧光发光材料且发光效率高的发光元件。该发光元件包括荧光发光材料及主体材料，其中，主体材料包括第一有机化合物及第二有机化合物，第一有机化合物及第二有机化合物能够形成激基复合物，并且，第一有机化合物和第二有机化合物之中的至少一个与荧光发光材料的重心间距的最小值为0.7nm以上且5nm以下。
Abstract(English):

A light-emitting element containing a fluorescent material and having high emission efficiency is provided. The light-emitting element contains the fluorescent material and a host material. The host material contains a first organic compound and a second organic compound. The first organic compound and the second organic compound can form an exciplex. The minimum value of a distance between centroids of the fluorescent material and at least one of the first organic compound and the second organic compound is 0.7 nm or more and 5 nm or less.

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