Patent ID: 10483328

Abstract:
The present invention provides an organic light-emitting element comprising a first sub-pixel, a second sub-pixel, and a third sub-pixel, which have different colors, the organic light-emitting element comprising: a substrate; a first electrode arranged on the substrate; a second electrode arranged on the first electrode so as to face the first electrode; an organic light-emitting layer arranged between the first electrode and the second electrode, the organic light-emitting layer comprising a first organic light-emitting layer arranged on the first sub-pixel, a second organic light-emitting layer arranged on the second sub-pixel, and a third organic light-emitting layer arranged on the third sub-pixel; a hole transport layer arranged between the first electrode and the organic light-emitting layer; and a light-emitting supplement layer arranged between the hole transport layer and the organic light-emitting layer, the light-emitting supplement layer comprising a first light-emitting supplement layer, which is commonly arranged on the first sub-pixel, the second sub-pixel, and the third sub-pixel, a second light-emitting supplement layer, which is arranged on the second sub-pixel between the first light-emitting supplement layer and the second organic light-emitting layer, and a third light-emitting supplement layer, which is arranged on the third sub-pixel between the first light-emitting supplement layer and the third organic light-emitting layer.