Patent ID: 8188655

Claim:
A light-emitting device comprising: a first light-emitting element configured to emit red light; a second light-emitting element configured to emit green light; a third light-emitting element configured to emit blue light; a first polarizing plate arranged on a front side of the first light-emitting element, the second light-emitting element and the third light-emitting element; and a second polarizing plate arranged on a rear side of the first light-emitting element, the second light-emitting element and the third light-emitting element, wherein each of the first light-emitting element, the second light-emitting element and the third light-emitting element includes: a cathode; a first layer containing a first organic compound; a second layer having a hole injecting property containing a metal oxide and a second organic compound; a light emitting layer in contact with said first layer; and an anode in contact with the second layer, wherein each of the anode and the cathode of the first light-emitting element, the second light-emitting element and the third light-emitting element is a light-transmitting conductive film, and wherein the second organic compound includes an aromatic amine based compound.