benzimidazol-2-yl-phenyl compound, light-emitting element, light-emitting device, electronic device, and lighting device
申请人:SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
公开号:EP2354135A1
公开(公告)日:2011-08-10
Objects of the present invention are to provide the following: a novel heterocyclic compound which can be used as a material in which a light-emitting substance of a light-emitting layer in a light-emitting element is dispersed; a novel heterocyclic compound having a high electron-transport property; a light-emitting element having high current efficiency; and a light-emitting device, an electronic device and a lighting device each having reduced power consumption. Provided are a heterocyclic compound represented by General Formula (G1-1) or (G1-2) below, and a light-emitting element, a light-emitting device, an electronic device and a lighting device each including the heterocyclic compound. Such use of the heterocyclic compound represented by General Formula (G1-1) or (G1-2) makes it possible to provide a light-emitting element having high current efficiency, and a light-emitting device, an electronic device and a lighting device each having reduced power consumption.
本发明的目的是提供以下内容:一种新型杂环化合物,该化合物可用作分散发光元件中发光层的发光物质的材料;一种具有高电子传输特性的新型杂环化合物;一种具有高电流效率的发光元件;以及一种可降低功耗的发光器件、电子器件和照明器件。本发明提供了由下式(G1-1)或(G1-2)表示的杂环化合物,以及包括该杂环化合物的发光元件、发光器件、电子器件和照明器件。使用通式(G1-1)或(G1-2)所代表的杂环化合物可以提供电流效率高的发光元件,以及功耗低的发光装置、电子装置和照明装置。