Light emitting device, display device, image capturing device, electronic apparatus, and wearable device
A light emitting device comprises a plurality of pixels each including a light emitting element and a driving transistor configured to drive the light emitting element; and a power supply wiring configured to supply a power supply voltage to the driving transistor. The light emitting element includes a first electrode, a light emitting layer arranged on the first electrode, and a second electrode arranged on the light emitting layer. At least a part of the power supply wiring is arranged at one of the same height as a bottom surface of the first electrode and a position closer to the second electrode than the height.
1 . A light emitting device comprising:
a plurality of pixels each including (1) a light emitting element and (2) a driving transistor configured to drive the light emitting element; and
a power supply wiring configured to supply a power supply voltage to the driving transistor,
wherein the light emitting element includes (1) a first electrode, (2) a light emitting layer arranged on the first electrode, and (3) a second electrode arranged on the light emitting layer, and
wherein the first electrode has an opening surrounded by the first electrode, and
wherein the power supply wiring faces the second electrode through the opening.
2 . The device according to claim 1 , wherein the opening includes a plurality of openings provided in the first electrode.
3 . The device according to claim 1 , wherein a shape of the opening is a circular shape.
4 . The device according to claim 1 , wherein a shape of the first electrode is a hexagonal shape.
5 . The device according to claim 1 , wherein at least a part of the power supply wiring is insulated from the second electrode by an insulating member.
6 . The device according to claim 1 , wherein the driving transistor is connected to the first electrode.
7 . The device according to claim 1 , wherein the first electrode is an anode electrode, and the second electrode is a cathode electrode.
8 . An image capturing device comprising:
an optical unit including a plurality of lenses;
an image capturing element configured to receive light having passed through the optical unit; and
a display unit configured to display an image captured by the image capturing element,
wherein the display unit includes a light emitting device according to claim 1 .
9 . A display device comprising:
a display unit including a light emitting device according to claim 1 ; and
a housing provided with the display unit.
10 . An electronic apparatus comprising:
a display unit including a light emitting device according to claim 1 ;
a housing provided with the display unit; and
a communication unit provided in the housing and configured to communicate with an outside.
11 . A wearable device including:
a display device configured to display an image,
wherein the display device includes a light emitting device according to claim 1 .
12 . The device according to claim 1 , further comprising a bank insulating layer covering an edge of the first electrode,
wherein a point at which the first electrode contacts with an organic compound layer that includes the light emitting layer does not overlap with the bank insulating layer.
13 . The device according to claim 1 , wherein the power supply wiring is arranged to face the second electrode over the entire opening in at least one pixel.