Organometallic Complex, Light-Emitting Element, Light-Emitting Device, Electronic Device, and Lighting Device
申请人:Semiconductor Energy Laboratory Co., Ltd.
公开号:US20160254461A1
公开(公告)日:2016-09-01
An organometallic complex that has high emission efficiency and high heat resistance and emits blue light is provided as a novel substance. In a light-emitting element including a light-emitting layer between a pair of electrodes, the light-emitting layer includes an organometallic complex, and the organometallic complex includes a central metal and two types of ligands coordinated to the central metal. One of the two types of ligands includes a triazole skeleton including nitrogen bonded to the central metal, and the other includes a nitrogen-containing five-membered heterocyclic skeleton including carbene carbon bonded to the central metal and nitrogen bonded to carbene carbon.
提供一种具有高发射效率和高耐热性并发出蓝光的有机金属配合物作为一种新型物质。在包括在一对电极之间的发光层的发光元件中,该发光层包括一种有机金属配合物,该有机金属配合物包括一个中心金属和两种与中心金属配位的配体。这两种配体中的一种包括一个三唑骨架,其中氮与中心金属键合,另一种包括一个含氮的五元杂环骨架,其中碳卡宾与中心金属键合,碳卡宾上的氮与中心金属键合。