Display panel, and display device, display module, and electronic device including display panel
Display unevenness in a display panel is suppressed. A display panel with a high aperture ratio of a pixel is provided. The display panel includes a first pixel electrode, a second pixel electrode, a third pixel electrode, a first light-emitting layer, a second light-emitting layer, a third light-emitting layer, a first common layer, a second common layer, a common electrode, and an auxiliary wiring. The first common layer is positioned over the first pixel electrode and the second pixel electrode. The first common layer has a portion overlapping with the first light-emitting layer and a portion overlapping with the second light-emitting layer. The second common layer is positioned over the third pixel electrode. The second common layer has a portion overlapping with the third light-emitting layer. The common electrode has a portion overlapping with the first pixel electrode with the first common layer and the first light-emitting layer provided therebetween, a portion overlapping with the second pixel electrode with the first common layer and the second light-emitting layer provided therebetween, a portion overlapping with the third pixel electrode with the second common layer and the third light-emitting layer provided therebetween, and a portion in contact with a top surface of the auxiliary wiring.
1. A display panel comprising:
a first pixel electrode;
a second pixel electrode;
a third pixel electrode;
a first light-emitting layer;
a second light-emitting layer;
a third light-emitting layer;
a first common layer;
a second common layer;
a common electrode; and
an auxiliary wiring,
wherein the first light-emitting layer is positioned over the first pixel electrode,
wherein the second light-emitting layer is positioned over the second pixel electrode,
wherein the third light-emitting layer is positioned over the third pixel electrode,
wherein the first light-emitting layer is configured to emit light of a color different from a color of light emitted from the second light-emitting layer,
wherein the first light-emitting layer is configured to emit light of a color identical to a color of light emitted from the third light-emitting layer,
wherein the first common layer is positioned over the first pixel electrode and the second pixel electrode,
wherein the first common layer comprises a portion overlapping with the first light-emitting layer and a portion overlapping with the second light-emitting layer,
wherein the second common layer is positioned over the third pixel electrode,
wherein the second common layer comprises a portion overlapping with the third light-emitting layer, and
wherein the common electrode comprises a portion overlapping with the first pixel electrode with the first common layer and the first light-emitting layer between the common electrode and the first pixel electrode, a portion overlapping with the second pixel electrode with the first common layer and the second light-emitting layer between the common electrode and the second pixel electrode, a portion overlapping with the third pixel electrode with the second common layer and the third light-emitting layer between the common electrode and the third pixel electrode, and a portion in contact with a top surface of the auxiliary wiring.
2. The display panel according to claim 1 ,
wherein the first common layer comprises a portion in contact with the second common layer.
3. The display panel according to claim 1 ,
wherein the first common layer comprises a portion overlapping with the second common layer.
4. The display panel according to claim 1 ,
wherein the first common layer is positioned between the first pixel electrode and the first light-emitting layer.
5. The display panel according to claim 1 ,
wherein the first common layer is positioned between the first light-emitting layer and the common electrode.
6. The display panel according to claim 1 ,
wherein the first pixel electrode, the second pixel electrode, and the third pixel electrode each comprise a reflective electrode and a transparent electrode over the reflective electrode.
7. The display panel according to claim 1 ,
wherein the common electrode has both a visible-light-transmitting property and a visible-light-reflective property.
8. The display panel according to claim 1 ,
wherein the auxiliary wiring does not overlap with the first pixel electrode, the second pixel electrode, or the third pixel electrode.
9. A display module comprising:
the display panel according to claim 1 ; and
at least one of a connector and an integrated circuit.
10. A display device comprising:
a first display panel; and
a second display panel,
wherein the first display panel and the second display panel are each the display panel according to claim 1 ,
wherein the first display panel comprises a first display region,
wherein the second display panel comprises a second display region and a visible-light-transmitting region,
wherein the second display region is adjacent to the visible-light-transmitting region, and
wherein the first display region comprises a portion overlapping with the visible-light-transmitting region.
11. An electronic device comprising:
the display device according to claim 10 ; and
at least one of an antenna, a battery, a housing, a camera, a speaker, a microphone, and an operation button.