Organic light emitting diode display
View Patent ↗An organic light emitting diode display includes a substrate, a display unit that includes a common power line and a common electrode, an encapsulation substrate that is attached to the substrate by an adhering layer enclosing the display unit and includes a resin matrix and a plurality of carbon fiber. The display includes a first conductive portion and a second conductive portion. The first conductive portion is on a first inner surface region, a first side surface region, and a first outer surface region of the encapsulation substrate. The first conductive portion is adapted to supply a first electrical signal to the common power line. The second conductive portion is on a second inner surface region, a second side surface region, and a second outer surface region of the encapsulation substrate. The second conductive portion is adapted to supply a second electrical signal to the common electrode.
1. An organic light emitting diode display, comprising:
a substrate;
a display unit on the substrate, the display unit including a common power line and a common electrode;
an encapsulation substrate attached to the substrate by an adhering layer enclosing the display unit, the encapsulation substrate including a resin matrix and a plurality of carbon fibers;
a first conductive portion on a first inner surface region, a first side surface region, and a first outer surface region of the encapsulation substrate, the first conductive portion being adapted to supply a first electrical signal to the common power line; and
a second conductive portion on a second inner surface region, a second side surface region, and a second outer surface region of the encapsulation substrate, the second conductive portion being adapted to supply a second electrical signal to the common electrode.
2. The organic light emitting diode display of claim 1 , wherein the plurality of carbon fibers are intersected inside the resin matrix.
3. The organic light emitting diode display of claim 1 , wherein
the encapsulation substrate includes a plurality of layers, and each of the plurality of layers includes a resin matrix and a plurality of carbon fibers, and
a first carbon fiber of a first plurality of carbon fibers positioned in at least one layer of the plurality of layers crosses a second carbon fiber of a second plurality of carbon fibers positioned in at least another layer of the plurality of layers.
4. The organic light emitting diode display of claim 1 , further comprising an insulating layer on an inner surface, a side surface, and an outer surface of the encapsulation substrate, the first conductive portion and the second conductive portion being positioned on the insulating layer.
5. The organic light emitting diode display of claim 4 , wherein:
the second conductive portion includes a second inner layer facing the display unit and contacting the adhering layer, and
the first conductive portion includes a first inner layer positioned at the edge of the encapsulation substrate and separated from the second inner layer.
6. The organic light emitting diode display of claim 5 , wherein the first inner layer and the second inner layer include at least one of an aluminum layer, an aluminum alloy layer, a copper layer, and a copper alloy layer.
7. The organic light emitting diode display of claim 5 , wherein:
the first conductive portion includes a first outer layer connected to the first inner layer, and
the first outer layer has at least one of a greater width or greater thickness than the first inner layer.
8. The organic light emitting diode display of claim 5 , wherein:
the second conductive portion includes a second outer layer connected to the second inner layer, and
the second outer layer has at least one of a greater width or greater thickness than the second inner layer.
9. The organic light emitting diode display of claim 4 , wherein the first conductive portion and the second conductive portion are made of a metal foil and are attached to the insulating layer.
10. The organic light emitting diode display of claim 4 , wherein the first conductive portion and the second conductive portion include inner layers positioned at the inner surface of the encapsulation substrate, outer layers positioned at the outer surface of the encapsulation substrate, connection layers positioned at the side surface of the encapsulation substrate, and overlapping portions that overlap the inner layers and the outer layers.
11. An organic light emitting diode display comprising:
a substrate;
a display unit on the substrate, the display unit including a first common power line, a second common power line, and a common electrode;
a first pad portion positioned outside the display unit, the first pad portion being connected to the first common power line and the second common power line;
an encapsulation substrate attached to the substrate by an adhering layer enclosing the display unit, the encapsulation substrate including a resin matrix and a plurality of carbon fibers;
a first conductive portion on a first inner surface region, a first side surface region, and a first outer surface region of the encapsulation substrate, the first conductive portion being connected to the first pad portion by the conductive adhering layer and being adapted to supply a first electrical signal to the first common power line and the second common power line; and
a second conductive portion on a second inner surface region, a second side surface region, and a second outer surface region of the encapsulation substrate, the second conductive portion being adapted to supply a second electrical signal to the common electrode.
12. The organic light emitting diode display of claim 11 , further comprising a second pad portion positioned outside the display unit and connected to the common electrode, the first pad portion and the second pad portion being alternately and repeatedly positioned according to one direction of the substrate.
13. The organic light emitting diode display of claim 12 , wherein the adhering layer is conductive in a thickness direction and insulating in other directions except for the thickness direction, and the adhering layer overlaps the first pad portion and the second pad portion.
14. The organic light emitting diode display of claim 12 , wherein the adhering layer includes a first conductive adhering layer positioned between the first pad portion and the first conductive portion, and a second conductive adhering layer separated from the first conductive adhering layer and positioned between the second pad portion and the second conductive portion.
15. The organic light emitting diode display of claim 12 , wherein:
the first conductive portion includes a first inner layer positioned at the first inner surface region of the encapsulation substrate, a first connection layer positioned at the first side surface region of the encapsulation substrate, and a first outer layer positioned at the first outer surface region of the encapsulation substrate, and
the second conductive portion includes a second inner layer positioned at the second inner surface region of the encapsulation substrate, a second connection layer positioned at the second side surface region of the encapsulation substrate, and a second outer layer positioned at the second outer surface region of the encapsulation substrate.
16. The organic light emitting diode display of claim 15 , wherein the second inner layer has a larger area than the display unit, and includes a plurality of extension portions overlapping the second pad portion and the conductive adhering layer.
17. The organic light emitting diode display of claim 16 , wherein the first inner layer is positioned between the extension portions and overlaps the first pad portion and the conductive adhering layer.
18. The organic light emitting diode display of claim 15 , wherein:
the first outer layer is on at least three edges of the encapsulation substrate, and
the second outer layer is on the remaining edge of the encapsulation substrate.
19. The organic light emitting diode display of claim 11 , wherein:
the common electrode includes a plurality of protruding portions, and
the second conductive portion is close to the plurality of protruding portions.
20. The organic light emitting diode display of claim 19 , wherein the second conductive portion includes a second inner layer positioned at the second inner surface region of the encapsulation substrate and close to the protruding portion, a second connection layer positioned at the second side surface region of the encapsulation substrate, and a second outer layer positioned at the second outer surface region of the encapsulation substrate.
21. The organic light emitting diode display of claim 20 , wherein the second inner layer has a larger area than the display unit, and includes at least one of an aluminum layer, an aluminum alloy layer, a copper layer, and a copper alloy layer.
22. The organic light emitting diode display of claim 19 , further comprising a plurality of spacers under the common electrode, the plurality of protruding portions of the common electrode correspond to the plurality of spacers.
23. The organic light emitting diode display of claim 11 , further comprising an insulating layer on an inner surface, a side surface, and an outer surface of the encapsulation substrate, the first conductive portion and the second conductive portion being positioned on the insulating layer.