| 摘要 |
A light emitting element, including a light emitting section and a connecting section, the light emitting section and the connecting section being provided over a substrate, along the in-plane direction of the substrate, an insulating section being formed between the light emitting section and the connecting section, the light emitting element, including: the light emitting section including: a bottom electrode, a phosphor layer formed over the bottom electrode; a first charge transporting layer formed over the phosphor layer; and a first top electrode formed over the first charge transporting layer, the connecting section including: an auxiliary electrode; a second charge transporting layer formed over the auxiliary electrode and connected electrically to the first charge transporting layer of the light emitting section; and a second top electrode formed over the second charge transporting layer and connected electrically to the first top electrode of the light emitting section; the insulating section electrically insulates, with the auxiliary electrode of the connecting section, the bottom electrode and the phosphor layer of the light emitting section, and further, a HOMO (eV) and a LUMO (eV) in the first charge transporting layer are identical to a HOMO (eV) and a LUMO (eV) in the second charge transporting layer, yet further, a work function Ip (eV) of the first top electrode is identical to a work function Ip (eV) of the second top electrode, and the HOMO (eV), the LUMO (eV) and the work function Ip (eV) satisfy the following expression. |(|HOMO|−Ip)−(Ip−|LUMO|)|≦̸0.1 eV
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