Indication device

Abstract

To provide a display apparatus with high definition or high resolution.SOLUTION: A display apparatus includes first light emitting devices and second light emitting devices. The first light emitting devices each include a first pixel electrode, a first hole injection layer, a first hole transport layer, a first light emitting layer, a first electron transport layer, a second electron transport layer, and a common electrode, which are laminated in this order. The second light emitting devices each include a second pixel electrode, a second hole injection layer, a second hole transport layer, a second light emitting layer, a third electron transport layer, a second electron transport layer, and the common electrode, which are laminated in this order. The first light emitting devices and the second light emitting devices have the function of emitting light of different colors each other. The second electron transport layer covers a side face of the first pixel electrode, a side face of the second pixel electrode, a side face of the first light emitting layer, and a side face of the second light emitting layer, at least.SELECTED DRAWING: Figure 1

Claims

[Claim 1] Insulating layer and, A first pixel electrode having a region in contact with the upper surface of the insulating layer, A second pixel electrode having a region in contact with the upper surface of the insulating layer, A first layer having a region in contact with the upper surface of the first pixel electrode, A second layer having a region in contact with the upper surface of the second pixel electrode, An electron transport layer having a region in contact with the upper surface of the first layer and a region in contact with the upper surface of the second layer, An electron injection layer having a region in contact with the upper surface of the electron transport layer, A common electrode having a region in contact with the upper surface of the electron injection layer, The first layer and the second layer each have the function of emitting light of different colors. The electron transport layer comprises at least a region in contact with the upper surface of the insulating layer, a region in contact with the side surface of the insulating layer, a region in contact with the side surface of the first pixel electrode, a region in contact with the side surface of the second pixel electrode, a region in contact with the side surface of the first layer, and a region in contact with the side surface of the second layer. [Claim 2] Insulating layer and, A first pixel electrode having a region in contact with the upper surface of the insulating layer, A second pixel electrode having a region in contact with the upper surface of the insulating layer, A first layer having a region in contact with the upper surface of the first pixel electrode, A second layer having a region in contact with the upper surface of the second pixel electrode, An electron transport layer having a region in contact with the upper surface of the first layer and a region in contact with the upper surface of the second layer, An electron injection layer having a region in contact with the upper surface of the electron transport layer, A common electrode having a region in contact with the upper surface of the electron injection layer, The first layer and the second layer each have the function of emitting light of different colors. The electron transport layer has at least a region in contact with the upper surface of the insulating layer, a region in contact with the side surface of the insulating layer, a region in contact with the side surface of the first pixel electrode, a region in contact with the side surface of the second pixel electrode, a region in contact with the side surface of the first layer, and a region in contact with the side surface of the second layer. A display device having an insulating material in contact with the upper surface of the electron transport layer in a region where the electron transport layer is in contact with the upper surface of the insulating layer.

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