An organic electroluminescence display device comprising: a substrate; a first electrode including a first sub-electrode (EL1-1) and a second sub-electrode (EL1-2) spaced apart from each other and on the substrate; a first light emitting unit on the first electrode; a charge generation unit (CGLU) on the first light emitting unit; a second light emitting unit on the charge generation unit (CGLU); and a second electrode on the second light emitting unit, wherein the first light emitting unit comprises a first light emitting layer correspondingly on the first sub-electrode (EL1-1); and a second light emitting layer correspondingly on the second sub-electrode (EL1-2), wherein the second light emitting unit comprises a third light emitting layer correspondingly on the first light emitting layer; and a fourth light emitting layer correspondingly on the second light emitting layer, wherein the charge generation unit (CGLU) comprises: an n-type charge generation layer (n-CGL) on the first light emitting layer and the second light emitting layer; and a p-type charge generation layer (p-CGL) including a first p-type charge generation layer (p-CGL1) on the n-type charge generation layer (n-CGL) and correspondingly on the first light emitting layer, and a second p-type charge generation layer (p-CGL2) on the n-type charge generation layer and correspondingly on the second light emitting layer, wherein the first p-type charge generation layer (p-CGL1) and the second p-type charge generation layer (p-CGL2) are spaced apart from each other, and wherein the n-type charge generation layer (n-CGL) is arranged as a common layer. a substrate; a first electrode including a first sub-electrode (EL1-1) and a second sub-electrode (EL1-2) spaced apart from each other and on the substrate; a first light emitting unit on the first electrode; a charge generation unit (CGLU) on the first light emitting unit; a second light emitting unit on the charge generation unit (CGLU); and a second electrode on the second light emitting unit, wherein the first light emitting unit comprises a first light emitting layer correspondingly on the first sub-electrode (EL1-1); and a second light emitting layer correspondingly on the second sub-electrode (EL1-2), wherein the second light emitting unit comprises a third light emitting layer correspondingly on the first light emitting layer; and a fourth light emitting layer correspondingly on the second light emitting layer, wherein the charge generation unit (CGLU) comprises: an n-type charge generation layer (n-CGL) on the first light emitting layer and the second light emitting layer; and a p-type charge generation layer (p-CGL) including a first p-type charge generation layer (p-CGL1) on the n-type charge generation layer (n-CGL) and correspondingly on the first light emitting layer, and a second p-type charge generation layer (p-CGL2) on the n-type charge generation layer and correspondingly on the second light emitting layer, wherein the first p-type charge generation layer (p-CGL1) and the second p-type charge generation layer (p-CGL2) are spaced apart from each other, and wherein the n-type charge generation layer (n-CGL) is arranged as a common layer. an n-type charge generation layer (n-CGL) on the first light emitting layer and the second light emitting layer; and a p-type charge generation layer (p-CGL) including a first p-type charge generation layer (p-CGL1) on the n-type charge generation layer (n-CGL) and correspondingly on the first light emitting layer, and a second p-type charge generation layer (p-CGL2) on the n-type charge generation layer and correspondingly on the second light emitting layer, wherein the first p-type charge generation layer (p-CGL1) and the second p-type charge generation layer (p-CGL2) are spaced apart from each other, and wherein the n-type charge generation layer (n-CGL) is arranged as a common layer.