Patent ID: 8164088

Claim:
A light emitting element comprising: a first electrode; a second electrode; and a first layer containing a light emitting substance interposed between the first electrode and the second electrode, wherein the first layer comprises: a light emitting layer; a second layer containing a first organic compound; a third layer containing a second organic compound; and a fourth layer including a metal oxide, wherein the first electrode has a light-transmitting property, wherein a thickness of the fourth layer is 50 nm to 150 nm, wherein a total thickness of the second layer and the third layer is 150 nm or more, wherein the second layer and the third layer are interposed between the second electrode and the light emitting layer, and wherein color of the first organic compound and color of the second organic compound are complementary colors to each other so that at least a portion of light emitted from the light emitting layer can be absorbed by the second layer and the third layer.