| 简介 |
PROBLEM TO BE SOLVED : To provide a light-emitting element that presents light emission of high luminance and can be driven at a low voltage, and to provide a light emitting device or an electronic apparatus which is reduced in power consumption.
SOLUTION : The light-emitting element is provided, in which n (n is a natural number of 2 or more) EL layers are provided between an anode and a cathode. Between the m-th (m is a natural number, 1≤m≤n-1) EL layer and the m+1th EL layer, a first layer containing any one of an alkali metal, an alkaline earth metal, a rare earth metal, an alkali metal compound, an alkaline earth metal compound, and a rare earth metal compound, a second layer containing a substance having high electron-transport property in contact with the first layer, and a charge-generation layer containing a substance having a high hole-transport properties and an acceptor substance in contact with the second layer are sequentially provided from the anode. The charge-generation layer does not have a peak of absorption spectrum in a visible light region.
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