Display element, display device and electronic equipment

This display element comprises an anode and a cathode that are disposed to face one another, a first light-emitting unit provided on the anode side and containing at least a first light-emitting layer, and a second light-emitting unit provided on the cathode side and containing at least a second light-emitting layer. The second light-emitting unit has a four-layer structure comprising, layered in order from the first light-emitting unit side: an acceptor layer; a donor layer containing at least one species of aromatic tertiary amine; a second light-emitting layer; and a mixed layer containing at least one species among an alkaline metal and an alkaline earth metal, and at least one species of heterocyclic compound.