Patent ID: 6949878

Claim:
A multicolor light emission apparatus comprising: a first organic EL element having a first maximum emission wavelength in a blue light wavelength region; and a second organic EL element having a second maximum emission wavelength longer than the first maximum emission wavelength; wherein the first organic EL element comprises a first light emission layer containing a first host and a first dopant, and a first adjacent layer containing a first compound and which is provide adjacent to one side of the first light emission layer, the second organic EL element comprises a second light emission layer containing a second host and a second dopant, and a second adjacent layer containing a second compound and which is provided adjacent to one side of the second light emission layer, wherein each of the first and second hosts has an emission wavelength region which is shorter than the blue light wavelength region; and each of the first compound and the second compound has a maximum emission wavelength of not longer than 415 nm.