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US 11,081,529 B2Granted
Display device
AssigneeSony Corporation
InventorHiroshi Sagawa
Life of this patent
Estimating the term…
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.
Claims16
A display device comprising:
- a pixel driving circuit forming layer;
- and
- a light emitting portion forming layer including a first light emitting portion, a second light emitting portion adjacent to the first light emitting portion, and a third light emitting portion adjacent to the second light emitting portion, respectively formed on the pixel driving circuit forming layer,
- wherein the pixel driving circuit forming layer includes:
- (i) a first pixel driving circuit of the first light emitting portion,
- (ii) a second pixel driving circuit of the second light emitting portion, and
- (iii) a third pixel driving circuit of the third light emitting portion,
- wherein each of the first pixel driving circuit, the second pixel driving circuit and the third pixel driving circuit includes a first metal layer and a second metal layer above the first metal layer,
- the second metal layer of the first pixel driving circuit has a first planar shape,
- the second metal layer of the second pixel driving circuit has a second planar shape that is different from the first shape, and
- the second metal layer of the third pixel driving circuit has a third planar shape that is different from the second shape,
- wherein each of the first pixel driving circuit, the second pixel driving circuit and the third pixel driving circuit has a drive transistor connected a power supply line formed as the second metal layer, and
- the power supply line for the first pixel driving circuit, the second pixel driving circuit and the third pixel driving circuit has a different shape from each other.
10 more elements
A display device comprising:
- a pixel driving circuit forming layer;
- and
- a light emitting portion forming layer including a first light emitting portion, a second light emitting portion adjacent to the first light emitting portion, and a third light emitting portion adjacent to the second light emitting portion, respectively formed on the pixel driving circuit forming layer,
- wherein the pixel driving circuit forming layer includes:
- (i) a first pixel driving circuit of the first light emitting portion,
- (ii) a second pixel driving circuit of the second light emitting portion, and
- (iii) a third pixel driving circuit of the third light emitting portion, wherein each of the first pixel driving circuit, the second pixel driving circuit and the third pixel driving circuit includes a first metal layer and a second metal layer above the first metal layer,
- the second metal layer of the first pixel driving circuit has a first planar shape,
- the second metal layer of the second pixel driving circuit has a second planar shape that is different from the first shape, and
- the second metal layer of the third pixel driving circuit has a third planar shape that is different from the second shape,
- wherein the second metal layer of each the first pixel driving circuit, the second pixel driving circuit and the third pixel driving circuit is a metal layer for a storage capacitor.
8 more elements
A display device comprising:
- a pixel driving circuit forming layer;
- and
- a light emitting portion forming layer including a first light emitting portion, a second light emitting portion adjacent to the first light emitting portion, and a third light emitting portion adjacent to the second light emitting portion, respectively formed on the pixel driving circuit forming layer,
- wherein the pixel driving circuit forming layer includes:
- (i) a first pixel driving circuit of the first light emitting portion,
- (ii) a second pixel driving circuit of the second light emitting portion, and
- (iii) a third pixel driving circuit of the third light emitting portion, wherein each of the first pixel driving circuit, the second pixel driving circuit and the third pixel driving circuit includes a first metal layer and a second metal layer above the first metal layer,
- the second metal layer of the first pixel driving circuit has a first planar shape,
- the second metal layer of the second pixel driving circuit has a second planar shape that is different from the first shape, and
- the second metal layer of the third pixel driving circuit has a third planar shape that is different from the second shape,
- wherein the pixel driving circuit forming layer includes a protective layer and a planarization layer on the protective layer,
- the second metal layer of each of the first pixel driving circuit, the second pixel driving circuit and the third pixel driving circuit is covered with the protective layer, and
- the light emitting portion forming layer is disposed on the planarization layer, and
- wherein a surface shape of the planarization layer in regions under the first light emitting portion, the second light emitting portion, and the third light emitting portion is different from each other.
11 more elements
A display device comprising:
- a pixel driving circuit forming layer;
- and
- a light emitting portion forming layer including a first light emitting portion, a second light emitting portion adjacent to the first light emitting portion, and a third light emitting portion adjacent to the second light emitting portion, respectively formed on the pixel driving circuit forming layer,
- wherein the pixel driving circuit forming layer includes:
- (i) a first pixel driving circuit of the first light emitting portion,
- (ii) a second pixel driving circuit of the second light emitting portion, and
- (iii) a third pixel driving circuit of the third light emitting portion, wherein each of the first pixel driving circuit, the second pixel driving circuit and the third pixel driving circuit includes a first metal layer and a second metal layer above the first metal layer, the second metal layer of the first pixel driving circuit has a first planar shape, the second metal layer of the second pixel driving circuit has a second planar shape that is different from the first shape,
- wherein each of the first pixel driving circuit, the second pixel driving circuit and the third pixel driving circuit has a drive transistor connected a power supply line formed as the second metal layer, and
- the power supply line for the first pixel driving circuit has a different shape from the power supply line for the second pixel driving circuit.
6 more elements
A display device comprising:
- a pixel driving circuit forming layer;
- and
- a light emitting portion forming layer including a first light emitting portion, a second light emitting portion adjacent to the first light emitting portion, and a third light emitting portion adjacent to the second light emitting portion, respectively formed on the pixel driving circuit forming layer,
- wherein the pixel driving circuit forming layer includes:
- (i) a first pixel driving circuit of the first light emitting portion,
- (ii) a second pixel driving circuit of the second light emitting portion, and
- (iii) a third pixel driving circuit of the third light emitting portion,
- wherein each of the first pixel driving circuit, the second pixel driving circuit and the third pixel driving circuit includes a first metal layer and a second metal layer above the first metal layer,
- the second metal layer of the first pixel driving circuit has a first planar shape,
- the second metal layer of the second pixel driving circuit has a second planar shape that is different from the first shape,
- wherein the second metal layer of each the first pixel driving circuit, the second pixel driving circuit and the third pixel driving circuit is a metal layer for a storage capacitor.
8 more elements
A display device comprising:
- a pixel driving circuit forming layer;
- and
- a light emitting portion forming layer including a first light emitting portion, a second light emitting portion adjacent to the first light emitting portion, and a third light emitting portion adjacent to the second light emitting portion, respectively formed on the pixel driving circuit forming layer,
- wherein the pixel driving circuit forming layer includes:
- (i) a first pixel driving circuit of the first light emitting portion,
- (ii) a second pixel driving circuit of the second light emitting portion, and
- (iii) a third pixel driving circuit of the third light emitting portion, wherein each of the first pixel driving circuit, the second pixel driving circuit and the third pixel driving circuit includes a first metal layer and a second metal layer above the first metal layer,
- the second metal layer of the first pixel driving circuit has a first planar shape,
- the second metal layer of the second pixel driving circuit has a second planar shape that is different from the first shape,
- wherein the pixel driving circuit forming layer includes a protective layer and a planarization layer on the protective layer,
- the second metal layer of each of the first pixel driving circuit, the second pixel driving circuit and the third pixel driving circuit is covered with the protective layer, and
- the light emitting portion forming layer is disposed on the planarization layer,
- wherein a surface shape of the planarization layer in regions under the first light emitting portion and the second light emitting portion is different from each other.
10 more elements
A display device comprising:
- a pixel driving circuit forming layer;
- and
- a light emitting portion forming layer including a first light emitting portion, a second light emitting portion adjacent to the first light emitting portion, and a third light emitting portion adjacent to the second light emitting portion, respectively formed on the pixel driving circuit forming layer,
- wherein the pixel driving circuit forming layer includes:
- (i) a first pixel driving circuit of the first light emitting portion,
- (ii) a second pixel driving circuit of the second light emitting portion, and
- (iii) a third pixel driving circuit of the third light emitting portion,
- wherein each of the first pixel driving circuit, the second pixel driving circuit and the third pixel driving circuit includes a first metal layer and a second metal layer above the first metal layer,
- the second metal layer of the first pixel driving circuit has a first planar shape,
- the second metal layer of the second pixel driving circuit has a second planar shape that is different from the first shape, and
- the second metal layer of the third pixel driving circuit has a third planar shape that is different from the second shape,
- wherein in each of the first pixel driving circuit, the second pixel driving circuit and the third pixel driving circuit,
- a write transistor has a drain electrode connected to a signal line and is supplied with an image signal from a signal driving circuit, the write transistor has a gate electrode connected to a scanning line a and is supplied with a scanning signal from a scanning line driving circuit, and a source electrode of the write transistor is connected to a gate electrode of the driving transistor, and
- the storage capacitor is formed between the gate electrode of the driving transistor and the source electrode of the driving transistor.
11 more elements
Dependencies are inferred from the claim text.