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US 11,232,275 B2Granted
Display device
AssigneeSamsung Display Co., Ltd.
InventorSeung Lyong Bok
Life of this patent
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Abstract
A display device includes: a substrate including, in a plan view, a first area and a second area; a first sub-pixel disposed on the substrate, the first sub-pixel including an emission area disposed in the first area; a second sub-pixel disposed on the substrate, the second sub-pixel including an emission area disposed in the second area; a transmission area disposed on the substrate, the transmission area being adjacent to the second sub-pixel disposed in the second area; and a sensor disposed under the substrate, the photo sensor disposed in the second area. The emission area of the first sub-pixel has a first size and the emission area of the second sub-pixel has a second size different from the first size.
Claims38
A display device comprising:
- a substrate including, in a plan view, a first area having a first light transmittance and a second area adjacent to the first area with a second light transmittance;
- a plurality of pixels disposed on the substrate to display an image;
- a photo sensor disposed in the first area below the substrate;
- an insulating layer on the substrate;
- a pixel defining layer on the substrate;
- and
- a passivation layer on the substrate,
- wherein the first light transmittance is greater than the second light transmittance,
- wherein the first area includes a light emitting area having a first size and a light transmission area having a second size through which light is transmitted, the light transmission area being different from the light emitting area,
- wherein the first size is smaller than the second size to improve sensitivity of the photo sensor,
- wherein the plurality of pixels include at least one first pixel in the first area and a second pixel in the second area,
- wherein the first pixel includes the light emitting area and the light transmission area,
- wherein the first pixel includes at least one first sub-pixel disposed in the light emitting area,
- wherein the first sub-pixel comprises:
- a first electrode disposed on the substrate;
- an emission layer disposed on the first electrode;
- and
- a second electrode disposed on the emission layer,
- wherein the insulating layer is disposed between the substrate and the first electrode,
- wherein the insulating layer extends into the light transmission area,
- wherein the insulating layer overlaps the pixel defining layer and the passivation layer in the light transmission area in a plan view,
- wherein the first sub-pixel further includes at least one structure selected from the group of a hole injection layer, a hole transport layer, an electron transport layer, and an electron injection layer, the at least one structure being disposed between the first electrode and the second electrode, and
- wherein the at least one structure extends across the light transmission area.
20 more elements
A display device comprising:
- a substrate including, in a plan view, a first area having a first light transmittance and a second area adjacent to the first area with a second light transmittance;
- a plurality of pixels disposed on the substrate to display an image;
- an insulating layer on the substrate;
- a pixel defining layer on the substrate;
- and
- a passivation layer on the substrate,
- wherein the first light transmittance is greater than the second light transmittance,
- wherein the first area includes a light emitting area having a first size and a light transmission area having a second size through which light is transmitted, the light transmission area being different from the light emitting area,
- wherein the first size is smaller than the second size,
- wherein the plurality of pixels include at least one first pixel in the first area and a second pixel in the second area,
- wherein the first pixel includes the light emitting area and the light transmission area,
- wherein the first pixel includes at least one first sub-pixel disposed in the light emitting area,
- wherein the first sub-pixel comprises:
- a first electrode disposed on the substrate;
- an emission layer disposed on the first electrode;
- and
- a second electrode disposed on the emission layer,
- wherein the insulating layer is disposed between the substrate and the first electrode,
- wherein the insulating layer extends into the light transmission area,
- wherein the insulating layer overlaps the pixel defining layer and the passivation layer in the light transmission area in a plan view,
- wherein the first sub-pixel further includes at least one structure selected from the group of a hole injection layer, a hole transport layer, an electron transport layer, and an electron injection layer, the at least one structure being disposed between the first electrode and the second electrode, and
- wherein the at least one structure extends across the light transmission area.
19 more elements
A display device comprising:
- a substrate including, in a plan view, a first area having a first light transmittance and a second area adjacent to the first area with a second light transmittance;
- a plurality of pixels disposed on the substrate to display an image;
- a plurality of thin film transistors disposed on the substrate, each of the plurality of thin film transistors comprising an active layer, a gate electrode, a source electrode, and a drain electrode;
- a photo sensor disposed in the first area below the substrate;
- an insulating layer on the substrate;
- a pixel defining layer on the substrate;
- and
- a passivation layer on the substrate,
- wherein the first light transmittance is greater than the second light transmittance,
- wherein the first area includes a light emitting area having a first size and a light transmission area having a second size through which light is transmitted, the light transmission area being different from the light emitting area,
- wherein the first size is smaller than the second size to improve sensitivity of the photo sensor,
- wherein the plurality of pixels include at least one first pixel in the first area and a second pixel in the second area,
- wherein the first pixel includes the light emitting area and the light transmission area,
- wherein the first pixel includes at least one first sub-pixel disposed in the light emitting area,
- wherein the first sub-pixel comprises:
- a first electrode disposed on the substrate;
- an emission layer disposed on the first electrode;
- and
- a second electrode disposed on the emission layer,
- wherein the insulating layer is disposed between the active layer and the first electrode,
- wherein the first sub-pixel further includes at least one structure selected from the group of a hole injection layer, a hole transport layer, an electron transport layer, and an electron injection layer, the at least one structure being disposed between the first electrode and the second electrode,
- wherein the at least one structure extends across the light transmission area, and
- wherein a portion of the insulating layer is not disposed in the light transmission area in the first area.
20 more elements
A display device comprising:
- a substrate including, in a plan view, a first area having a first light transmittance and a second area adjacent to the first area with a second light transmittance;
- a plurality of pixels disposed on the substrate to display an image;
- a plurality of thin film transistors disposed on the substrate, each of the plurality of thin film transistors comprising an active layer, a gate electrode, a source electrode, and a drain electrode;
- a photo sensor disposed in the first area below the substrate;
- an insulating layer on the substrate;
- a pixel defining layer on the substrate;
- and
- a passivation layer on the substrate,
- wherein the first light transmittance is greater than the second light transmittance,
- wherein the first area includes a light emitting area having a first size and a light transmission area having a second size through which light is transmitted, the light transmission area being different from the light emitting area,
- wherein the first size is smaller than the second size to improve sensitivity of the photo sensor,
- wherein the plurality of pixels include at least one first pixel in the first area and a second pixel in the second area,
- wherein the first pixel includes the light emitting area and the light transmission area,
- wherein the at least one first pixel includes at least one first sub-pixel disposed in the light emitting area,
- wherein the first sub-pixel comprises:
- a first electrode disposed on the substrate;
- an emission layer disposed on the first electrode;
- and
- a second electrode disposed on the emission layer,
- wherein the insulating layer is disposed between the active layer and the first electrode,
- wherein the passivation layer is disposed between the source electrode or the drain electrode and the first electrode,
- wherein the first sub-pixel further includes at least one structure selected from the group of a hole injection layer, a hole transport layer, an electron transport layer, and an electron injection layer, the at least one structure being disposed between the first electrode and the second electrode,
- wherein the at least one structure extends across the light transmission area,
- wherein a portion of the insulating layer is not disposed in the light transmission area in the first area, and
- wherein a portion of the passivation layer is not disposed in the light transmission area in the first area.
22 more elements
A display device comprising:
- a substrate including, in a plan view, a first area having a first light transmittance and a second area adjacent to the first area with a second light transmittance;
- a plurality of pixels disposed on the substrate to display an image;
- a plurality of thin film transistors disposed on the substrate, each of the plurality of thin film transistors comprising an active layer, a gate electrode, a source electrode, and a drain electrode;
- an insulating layer on the substrate;
- a pixel defining layer on the substrate;
- and
- a passivation layer on the substrate,
- wherein the first light transmittance is greater than the second light transmittance,
- wherein the first area includes a light emitting area having a first size and a light transmission area having a second size through which light is transmitted, the light transmission area being different from the light emitting area,
- wherein the first size is smaller than the second size,
- wherein the plurality of pixels include at least one first pixel in the first area and a second pixel in the second area,
- wherein the first pixel includes the light emitting area and the light transmission area,
- wherein the first pixel includes at least one first sub-pixel disposed in the light emitting area,
- wherein the first sub-pixel comprises:
- a first electrode disposed on the substrate;
- an emission layer disposed on the first electrode;
- and
- a second electrode disposed on the emission layer,
- wherein the insulating layer is disposed between the active layer and the first electrode,
- wherein the passivation layer is disposed between the source electrode or the drain electrode and the first electrode,
- wherein the first sub-pixel further includes at least one structure selected from the group of a hole injection layer, a hole transport layer, an electron transport layer, and an electron injection layer, the at least one structure being disposed between the first electrode and the second electrode,
- wherein the at least one structure extends across the light transmission area,
- wherein a portion of the insulating layer is not disposed in the light transmission area in the first area, and
- wherein a portion of the passivation layer is not disposed in the light transmission area in the first area.
21 more elements
A display device comprising:
- a substrate including, in a plan view, a first area having a first light transmittance and a second area adjacent to the first area with a second light transmittance;
- a plurality of pixels disposed on the substrate to display an image;
- a plurality of thin film transistors disposed on the substrate, each of the plurality of thin film transistors comprising an active layer, a gate electrode, a source electrode, and a drain electrode;
- a photo sensor disposed in the first area below the substrate,
- an insulating layer on the substrate;
- a pixel defining layer on the substrate;
- a passivation layer on the substrate;
- and
- a first sensor disposed on the substrate to sense a touch position input by a user,
- wherein the first light transmittance is greater than the second light transmittance to improve sensitivity of the photo sensor,
- wherein the plurality of pixels include at least one first pixel in the first area and a second pixel in the second area,
- wherein the first pixel includes a light emitting area and a light transmission area,
- wherein the at least one first pixel includes at least one first sub-pixel disposed in the light emitting area,
- wherein the first sub-pixel comprises:
- a first electrode disposed on the substrate;
- an emission layer disposed on the first electrode;
- and
- a second electrode disposed on the emission layer,
- wherein the insulating layer is disposed between the active layer and the first electrode,
- wherein the passivation layer is disposed between the source electrode or the drain electrode and the first electrode,
- wherein the first sub-pixel further includes at least one structure selected from the group of a hole injection layer, a hole transport layer, an electron transport layer, and an electron injection layer, the at least one structure being disposed between the first electrode and the second electrode,
- wherein a portion of the insulating layer is not disposed in the light transmission area in the first area,
- wherein a portion of the passivation layer is not disposed in the light transmission area in the first area,
- wherein a portion of the second electrode is not disposed in the light transmission area in the first area,
- wherein the second pixel includes at least one second sub-pixel,
- wherein each of the first sub-pixel and the second sub-pixel emits one wavelength of light selected from the group of red light, green light, and blue light,
- wherein the first sensor is a touch sensor of a self-capacitance type or a touch sensor of a mutual-capacitance type,
- wherein the first sensor includes:
- a first touch electrode;
- and
- a second touch electrode spaced apart from the first touch electrode and forming a capacitance with the first touch electrode, and
- wherein each of the first touch electrode and the second touch electrode comprises a mesh structure.
29 more elements
A display device comprising:
- a substrate including, in a plan view, a first area having a first light transmittance and a second area adjacent to the first area with a second light transmittance;
- a plurality of pixels disposed on the substrate to display an image;
- a plurality of thin film transistors disposed on the substrate, each of the plurality of thin film transistors comprising an active layer, a gate electrode, a source electrode, and a drain electrode;
- an insulating layer on the substrate;
- a pixel defining layer on the substrate;
- a passivation layer on the substrate;
- and
- a first sensor disposed on the substrate to sense a touch position input by a user,
- wherein the first light transmittance is greater than the second light transmittance,
- wherein the plurality of pixels include at least one first pixel in the first area and a second pixel in the second area,
- wherein the first pixel includes a light emitting area and a light transmission area,
- wherein the first pixel includes at least one first sub-pixel disposed in the light emitting area,
- wherein the first sub-pixel comprises:
- a first electrode disposed on the substrate;
- an emission layer disposed on the first electrode;
- and
- a second electrode disposed on the emission layer,
- wherein the insulating layer is disposed between the active layer and the first electrode,
- wherein the passivation layer is disposed between the source electrode or the drain electrode and the first electrode,
- wherein the first sub-pixel further includes at least one structure selected from the group of a hole injection layer, a hole transport layer, an electron transport layer, and an electron injection layer, the at least one structure being disposed between the first electrode and the second electrode,
- wherein a portion of the insulating layer is not disposed in the light transmission area in the first area,
- wherein a portion of the passivation layer is not disposed in the light transmission area in the first area,
- wherein a portion of the second electrode is not disposed in the light transmission area in the first area,
- wherein the first sub-pixel emits one wavelength of light selected from the group of red light, green light, and blue light,
- wherein the first sensor is a touch sensor of a self-capacitance type or a touch sensor of a mutual-capacitance type,
- wherein the first sensor includes:
- a first touch electrode;
- and
- a second touch electrode spaced apart from the first touch electrode and forming a capacitance with the first touch electrode, and
- wherein each of the first touch electrode and the second touch electrode comprises a mesh structure.
27 more elements
A display device comprising:
- a substrate including, in a plan view, a first area having a first light transmittance and a second area adjacent to the first area with a second light transmittance;
- a plurality of pixels disposed on the substrate to display an image;
- and
- a first sensor disposed on the substrate to sense a touch position input by a user,
- wherein the first light transmittance is greater than the second light transmittance,
- wherein the first area includes a light emitting area having a first size and a light transmission area having a second size through which light is transmitted, the light transmission area being different from the light emitting area,
- wherein the first size is smaller than the second size,
- wherein each of the plurality of pixels includes at least one sub-pixel disposed in the light emitting area, and
- wherein the sub-pixel comprises:
- a first electrode disposed on the substrate;
- an emission layer disposed on the first electrode;
- and
- a second electrode disposed on the emission layer,
- wherein the sub-pixel emits one wavelength of light selected from the group of red light, green light, and blue light,
- wherein the first sensor is a touch sensor of a self-capacitance type or a touch sensor of a mutual-capacitance type,
- wherein the first sensor includes:
- a first touch electrode;
- and
- a second touch electrode spaced apart from the first touch electrode and forming a capacitance with the first touch electrode, and
- wherein each of the first touch electrode and the second touch electrode comprises a mesh structure.
17 more elements
Dependencies are inferred from the claim text.