Triazole derivative, and light-emitting element, light-emitting device, and electronic device using triazole derivative
申请人:Semiconductor Energy Laboratory Co., Ltd.
公开号:US08101771B2
公开(公告)日:2012-01-24
A novel triazole derivative which has a large energy gap and can be used for electron-transporting layer of a light-emitting element or as a host material. In addition, a light-emitting element which has higher emission efficiency by using the novel triazole derivative. Furthermore, a low power consumption light-emitting device and electronic device.
A triazole derivative having a structure represented by the formula (G1).
In the formula, Py represents a pyridyl group. R11 and R12 each represent any of hydrogen, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, or a phenyl group.
一种新型三唑衍生物,具有较大的能隙,可用作发光元件的电子传输层或主体材料。此外,通过使用这种新型三唑衍生物,可以获得具有更高发射效率的发光元件。此外,还包括低功耗发光装置和电子设备。具有由式(G1)表示的结构的三唑衍生物。在该式中,Py代表吡啶基。R11和R12各自代表氢、具有1至4个碳原子的烷基、具有1至4个碳原子的烷氧基或苯基中的任意一种。