Display device
AssigneeSony Corporation
InventorHiroshi Sagawa
Life of this patent
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Abstract
In one example embodiment, a display device for suppressing reflected light includes a driving circuit and a display region which includes a plurality of pixels. In one example embodiment, the plurality of pixels includes a first pixel having a first light emitting element which includes a first light emitting portion having a first layer surface. In one example embodiment, first pixel includes a second light emitting element which includes a second light emitting portion having a second, different layer surface. In one example embodiment, the first pixel includes a third light emitting element which includes a third light emitting portion having a third, different layer surface.
Claims25
A display device comprising:
- a circuit layer provided on a substrate, wherein the circuit layer includes:
- first metal layers;
- a first insulating layer covering the first metal layers;
- and
- second metal layers provided on and in contact with the first insulating layer,
- a display layer overlying the circuit layer, wherein the display layer includes:
- a first light emitting element configured to emit light having a first color, wherein the first light emitting element includes a first anode electrode and a first light emitting layer disposed on the first anode electrode;
- a second light emitting element configured to emit light having a second color, wherein the second light emitting element includes a second anode electrode and a second light emitting layer disposed on the second anode electrode;
- and
- a third light emitting element configured to emit light having a third color, wherein the third light emitting element includes a third anode electrode and a third light emitting layer disposed on the third anode electrode, and
- wherein:
- (a) the circuit layer has a first pixel circuit configured to drive the first light emitting element, wherein the first pixel circuit has a first capacitor;
- (b) the circuit layer has a second pixel circuit configured to drive the second light emitting element, wherein the second pixel circuit has a second capacitor;
- and
- (c) the circuit layer has a third pixel circuit configured to drive the third light emitting element, wherein the third pixel circuit has a third capacitor,
- wherein the first metal layers include lower capacitor electrodes of the first, second and third capacitors,
- wherein the second metal layers include upper capacitor electrodes of the first, second and third capacitors,
- wherein the upper capacitor electrode of the first capacitor has a shape different from the upper capacitor electrode of the second capacitor,
- wherein the upper capacitor electrode of the third capacitor has a shape different from both of the upper capacitor electrode of the second capacitor,
- wherein the first pixel circuit has a first driving transistor, the second pixel circuit has a second driving transistor and the third pixel circuit has a third driving transistor, and wherein each of the first, the second and the third driving transistors is configured to provide a driving current to the first, the second and the third light emitting elements, respectively,
- wherein the first, second and third capacitors are connected to the first, second and third driving transistors, respectively, and
- wherein each of the first, second and third capacitors having a first end directly connected to a gate electrode and having a second end directly connected to a source electrode of each of the first, the second and the third driving transistors, respectively.
Dependencies are inferred from the claim text.