Display device including touch sensing layer
A display device includes a substrate divided into a display area and a peripheral area, a light-emitting element layer on the substrate and including a light-emitting element, a circuit element layer on the substrate and including a circuit element which drives the light-emitting element, an encapsulation film of which portions thereof are respectively in the display area and the peripheral area, and a plurality of sensing electrodes each on the portion of the encapsulation film which is in the display area, including a plurality of first sensing electrodes and a plurality of second sensing electrodes which intersect the first sensing electrodes. Each of the first sensing electrodes includes a plurality of mesh lines intersecting one another in a mesh shape, and widths of the first sensing electrodes increase as a distance of the first sensing electrode from a center of the display area to the peripheral area decreases.
1. A display device, comprising:
a substrate divided into a display area at which an image is displayed with light and a peripheral area which is adjacent to the display area;
a light-emitting element layer disposed on the substrate, the light-emitting element layer including a light-emitting element which generates and emits the light;
a plurality of light-emitting regions which emit the light;
a circuit element layer disposed on the substrate, the circuit element layer including a circuit element which drives the light-emitting element to generate and emit the light;
an encapsulation film which encapsulates the light-emitting element layer on the substrate, portions of the encapsulation film being respectively disposed in the display area and in the peripheral area of the substrate; and
a plurality of sensing electrodes each disposed on the portion of the encapsulation film which is in the display area, comprising a plurality of first sensing electrodes and a plurality of second sensing electrodes which intersect the first sensing electrodes,
wherein
each of the first sensing electrodes includes a plurality of mesh lines intersecting one another in a mesh shape, each mesh line having a width,
the display area includes a first display portion located in a center of the display area and a second display portion adjacent to the peripheral area, and
within the display area,
the widths of the mesh lines of the first sensing electrodes in the second display portion are greater than the widths of the mesh lines of the first sensing electrodes in the first display portion,
the plurality of light-emitting regions do not overlap the mesh lines, and
pitches of the light-emitting regions in the first display portion are the same as pitches of the light-emitting regions in the second display portion.
2. The display device of claim 1 , wherein the portions of the encapsulation film which are disposed in the display area and in the peripheral area of the substrate each include a first inorganic layer, a first organic layer disposed on the first inorganic layer, and a second inorganic layer disposed on the first organic layer.
3. The display device of claim 2 , wherein within the display area of the substrate, a thickness of the first organic layer of the encapsulation film decreases as a distance thereof from the center of the display area to the peripheral area decreases.
4. The display device of claim 3 , wherein the first organic layer of the encapsulation film has a largest thickness at the center of the display area.
5. The display device of claim 2 , wherein a thickness of the first organic layer disposed in the peripheral area is smaller than a thickness of the first organic layer disposed in the display area.
6. The display device of claim 1 , wherein
the first sensing electrodes are arranged in a first direction and lengths thereof respectively extend in a second direction which intersects to the first direction, and
the second sensing electrodes are arranged in the second direction and lengths thereof respectively extend in the first direction.
7. The display device of claim 1 , wherein
the each of the first sensing electrodes including the plurality of mesh lines intersecting one another in the mesh shape defines a planar area thereof, and
the planar areas of the mesh shapes decrease as a distance thereof from the center of the display area to the peripheral area decreases.
8. The display device of claim 1 , wherein
within each of the first sensing electrodes, the mesh lines intersecting one another define a plurality of sensing patterns arranged along a length of the first sensing electrode, each sensing pattern defining a planar area thereof, and
the planar areas of the sensing patterns decrease as a distance thereof from the center of the display area to the peripheral area decreases.
9. The display device of claim 1 , wherein
each of the second sensing electrodes includes a plurality of mesh lines intersecting one another in a mesh shape, each mesh line having a width, and
the widths of the mesh lines of the second sensing electrodes increase as a distance of the second sensing electrode from the center of the display area to the peripheral area decreases.
10. The display device of claim 1 , wherein
within each of the first sensing electrodes the mesh lines intersecting one another define a plurality of mesh holes surrounding each of the light emitting regions, each mesh hole defining a planar area, and
among mesh holes at which a same color light is emitted, the planar areas defined by the mesh holes decrease as the distance of the first sensing electrode from the center of the display area to the peripheral area decreases.
11. The display device of claim 1 , wherein within the display area of the substrate, a thickness of the encapsulation film decreases as a distance thereof from the center of the display area to the peripheral area decreases, the encapsulation film disposing the plurality of sensing electrodes closer to the substrate as the distance of the encapsulation film from the center of the display area to the peripheral area decreases.
12. The display device of claim 1 , wherein the first sensing electrodes are integrated on a top surface of the encapsulation film.
13. A display device, comprising:
a substrate divided into a display area at which an image is displayed with light and a peripheral area which is adjacent to the display area;
a light-emitting element layer disposed on the substrate, the light-emitting element layer including a light-emitting element which generates and emits the light;
a plurality of light-emitting regions which emit the light,
a circuit element layer disposed on the substrate, the circuit element layer including a circuit element which drives the light-emitting element to generate and emit the light;
an encapsulation film which encapsulates the light-emitting element layer on the substrate, portions of the encapsulation film being respectively disposed in the display area and in the peripheral area; and
a plurality of sensing electrodes each disposed on the portion of the encapsulation film which is in the display area, comprising a plurality of first sensing electrodes and a plurality of second sensing electrodes which intersects the first sensing electrodes, each of the first sensing electrodes including a plurality of mesh lines intersecting one another in a mesh shape, each mesh line having a width,
wherein within the display area,
each of the first sensing electrodes includes a plurality of sensing patterns which senses a touch input to the display device, each of the plurality of sensing patterns including:
an effective sensing electrode which senses the touch input and has a total planar area, and
a dummy electrode which is adjacent to the effective sensing electrode and has a total planar area,
the display area includes a first display portion located in a center of the display area and a second display portion adjacent to the peripheral area,
the total planar area of the effective sensing electrode in the second display portion is larger than the total planar area of the effective sensing electrode in the first display portion,
the plurality of light-emitting regions do not overlap the mesh lines, and
pitches of the light-emitting regions in the first display portion are the same as pitches of the light-emitting regions in the second display portion.
14. The display device of claim 13 , wherein the portions of the encapsulation film which are disposed in the display area and in the peripheral area of the substrate each includes a first inorganic layer, a first organic layer disposed on the first inorganic layer, and a second inorganic layer disposed on the first organic layer.
15. The display device of claim 14 , wherein within the display area of the substrate, a thickness of the first organic layer of the encapsulation film decreases as a distance thereof from the center of the display area to the peripheral area decreases.
16. The display device of claim 14 , wherein a thickness of the first organic layer disposed in the peripheral area is smaller than a thickness of the first organic layer disposed in the display area.
17. The display device of claim 13 , wherein the total planar areas of the dummy electrodes decrease as the distance of the first sensing electrode from the center area of the display area to the peripheral area decreases.
18. The display device of claim 13 , wherein the plurality of sensing patterns have a same total planar area as each other.
19. The display device of claim 13 , wherein the effective sensing electrode surrounds the dummy electrode in a top plan view.
20. The display device of claim 13 , wherein the dummy electrode is electrically floated.