Electronic device, light-emitting device, electronic appliance, and lighting device
申请人:Semiconductor Energy Laboratory Co., Ltd.
公开号:US10950805B2
公开(公告)日:2021-03-16
An electronic device with high outcoupling efficiency or a high light-trapping effect is provided.
The electronic device includes a first layer and a second layer between a first electrode and a second electrode, the first layer is included between the first electrode and the second layer, the first layer includes a first organic compound and a first substance, the refractive index of a thin film of the first organic compound is higher than or equal to 1 and lower than or equal to 1.75, the first substance has an electron-accepting property, and the second layer has a function of emitting or absorbing light.
提供了一种具有高出射效率或高光捕获效果的电子设备。该电子设备包括第一层和第二层,位于第一电极和第二电极之间,第一层位于第一电极和第二层之间,第一层包括第一有机化合物和第一物质,第一有机化合物的薄膜的折射率大于或等于1且小于或等于1.75,第一物质具有电子受体性质,第二层具有发射或吸收光的功能。