Patent ID: 7333077
Filing Date: 2008-02-19
Classification: G09G,H01L

Abstract:
1. A display device comprising: a pixel portion in which a plurality of pixels are arranged in a matrix over a substrate, wherein at least one of the pixels comprises a first light emitting element, a second light emitting element, a first transistor and a second transistor, wherein the first light emitting element comprises an electroluminescent layer between a first electrode and a second electrode, wherein the second light emitting element comprises the electroluminescent layer between the first electrode and a third electrode, wherein the first light emitting element emits light in a first direction, wherein the second light emitting element emits light in a second direction which is opposite to the first direction, wherein the first electrode covers the electroluminescent layer, wherein the first transistor is electrically connected to the first light emitting element, and wherein the second transistor is electrically connected to the second light emitting element.