An organic electroluminescent device, comprising: an anode; a cathode; and organic layers comprising at least: a hole-transporting layer; and a light-emitting layer, the organic layers being interposed between the anode and the cathode, wherein: the light-emitting layer comprises a phosphorescent light-emitting material; and the hole-transporting layer and the light-emitting layer have an electron- and/or exciton-blocking layer therebetween, the electron- and/or exciton-blocking layer being adjacent to the light-emitting layer and wherein the organic electroluminescent device has a structure comprising a substrate, the anode, a hole injecting layer, the hole transporting layer, the electron- and/or exciton-blocking layer, the light-emitting layer, an electron- transporting layer and the cathode in this order, characterised in that the electron- and/or exciton-blocking layer contains an indolocarbazole compound represented by the following general formula: Z (̵ Y) n in the general formula: Z represents an n-valent aromatic hydrocarbon group having 6 to 50 carbon atoms or an aromatic heterocyclic group having 3 to 50 carbon atoms; Y represents a group represented by the formula; and n represents an integer of 1 to 6, provided that when n represents 2 or more, Y's may be identical to or different from each other; in the formula: a ring A represents an aromatic ring represented by the formula to be fused with adjacent rings; a ring B represents a heterocycle represented by the formula to be fused with adjacent rings; and R 1 and R 2 each independently represent a hydrogen atom, an aliphatic hydrocarbon group having 1 to 10 carbon atoms, an aromatic hydrocarbon group having 6 to 12 carbon atoms, or an aromatic heterocyclic group having 3 to 11 carbon atoms; in the formula: X represents a methine group or a nitrogen atom; R 3 represents a hydrogen atom, an aliphatic hydrocarbon group having 1 to 10 carbon atoms, an aromatic hydrocarbon group having 6 to 12 carbon atoms, or an aromatic heterocyclic group having 3 to 11 carbon atoms, provided that R 3 may be fused with a ring including X to form a fused ring; and in the formula, Ar represents an aromatic hydrocarbon group having 6 to 50 carbon atoms or an aromatic heterocyclic group having 3 to 50 carbon atoms. an anode; a cathode; and organic layers comprising at least: a hole-transporting layer; and a light-emitting layer, a hole-transporting layer; and a light-emitting layer, the organic layers being interposed between the anode and the cathode, wherein: the light-emitting layer comprises a phosphorescent light-emitting material; and the hole-transporting layer and the light-emitting layer have an electron- and/or exciton-blocking layer therebetween, the electron- and/or exciton-blocking layer being adjacent to the light-emitting layer and wherein the organic electroluminescent device has a structure comprising a substrate, the anode, a hole injecting layer, the hole transporting layer, the electron- and/or exciton-blocking layer, the light-emitting layer, an electron- transporting layer and the cathode in this order, characterised in that the electron- and/or exciton-blocking layer contains an indolocarbazole compound represented by the following general formula: Z (̵ Y) n the light-emitting layer comprises a phosphorescent light-emitting material; and the hole-transporting layer and the light-emitting layer have an electron- and/or exciton-blocking layer therebetween, the electron- and/or exciton-blocking layer being adjacent to the light-emitting layer and wherein the organic electroluminescent device has a structure comprising a substrate, the anode, a hole injecting layer, the hole transporting layer, the electron- and/or exciton-blocking layer, the light-emitting layer, an electron- transporting layer and the cathode in this order, characterised in that the electron- and/or exciton-blocking layer contains an indolocarbazole compound represented by the following general formula: Z (̵ Y) n in the general formula: Z represents an n-valent aromatic hydrocarbon group having 6 to 50 carbon atoms or an aromatic heterocyclic group having 3 to 50 carbon atoms; Y represents a group represented by the formula; and n represents an integer of 1 to 6, provided that when n represents 2 or more, Y's may be identical to or different from each other; in the formula: a ring A represents an aromatic ring represented by the formula to be fused with adjacent rings; a ring B represents a heterocycle represented by the formula to be fused with adjacent rings; and R 1 and R 2 each independently represent a hydrogen atom, an aliphatic hydrocarbon group having 1 to 10 carbon atoms, an aromatic hydrocarbon group having 6 to 12 carbon atoms, or an aromatic heterocyclic group having 3 to 11 carbon atoms; in the formula: X represents a methine group or a nitrogen atom; R 3 represents a hydrogen atom, an aliphatic hydrocarbon group having 1 to 10 carbon atoms, an aromatic hydrocarbon group having 6 to 12 carbon atoms, or an aromatic heterocyclic group having 3 to 11 carbon atoms, provided that R 3 may be fused with a ring including X to form a fused ring; and in the formula, Ar represents an aromatic hydrocarbon group having 6 to 50 carbon atoms or an aromatic heterocyclic group having 3 to 50 carbon atoms.