Invention Grant
US08415878B2 Light-emitting element, light-emitting device, and electronic device 有权
发光元件,发光元件及电子元件

Light-emitting element, light-emitting device, and electronic device
Abstract:
It is an object to provide a light-emitting element which can reduce power consumption. A light-emitting element is provided, which includes a pair of electrodes and a light-emitting layer interposed between the pair of electrodes. The light-emitting layer includes at least a first layer and a second layer, each of the first layer and the second layer includes an emission center and a host material, the emission center is dispersed in the host material, a thickness of each of the first layer and the second layer is 1 nm or more and 10 nm or less, and the first layer is not in contact with the second layer.
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