Organic light emitting diode display having an auxiliary member in contact with an upper surface of an auxiliary electrode
An organic light emitting diode display according to an exemplary embodiment includes: a substrate; a pixel formed on the substrate and including a pixel area displaying an image and a peripheral area adjacent to the pixel area; an insulating layer at the pixel area and the peripheral area on the substrate; a first electrode at the pixel area on the insulating layer; an organic emission layer on the first electrode and extending to the peripheral area; a second electrode on the organic emission layer and disposed in the pixel area and the peripheral area; an auxiliary electrode in the peripheral area on the substrate and partially exposed by a first opening formed in the insulating layer; and an auxiliary member disposed on the auxiliary electrode and in contact with an upper surface of the auxiliary electrode exposed by the first opening.
1. An organic light emitting diode display comprising:
a substrate;
a pixel formed on the substrate and including a display area displaying an image and a peripheral area adjacent to the display area;
an insulating layer at the display area and the peripheral area on the substrate;
a first electrode at the display area on the insulating layer;
an organic emission layer on the first electrode and extending to the peripheral area;
a second electrode on the organic emission layer and disposed in the display area and the peripheral area;
an auxiliary electrode in the peripheral area on the substrate and partially exposed by a first opening formed in the insulating layer; and
an auxiliary member on the auxiliary electrode and in contact with an upper surface of the auxiliary electrode exposed by the first opening.
2. The organic light emitting diode display of claim 1 , wherein
the auxiliary member is entirely in contact with the upper surface of the auxiliary electrode.
3. The organic light emitting diode display of claim 1 , wherein
the organic emission layer is disposed on the auxiliary member in the peripheral area and has a second opening exposing part of the auxiliary member.
4. The organic light emitting diode display of claim 3 , wherein
the second electrode is in contact with the auxiliary member through the second opening.
5. The organic light emitting diode display of claim 3 , wherein
the second opening has a circular shape.
6. The organic light emitting diode display of claim 1 , wherein
the auxiliary member covers the first opening of the insulating layer.
7. The organic light emitting diode display of claim 1 , wherein
the auxiliary member is in contact with a part of an interior circumference of the first opening.
8. The organic light emitting diode display of claim 1 , wherein
the auxiliary member is formed with the same layer as the first electrode.
9. The organic light emitting diode display of claim 8 , wherein
the auxiliary member is formed by sequentially stacking ITO (indium tin oxide), silver (Ag), and ITO.
10. The organic light emitting diode display of claim 1 , wherein
the auxiliary electrode is a common voltage line transmitting a common voltage.
11. The organic light emitting diode display of claim 10 , wherein
the auxiliary electrode is formed by sequentially stacking molybdenum (Mo), aluminum (Al), and molybdenum (Mo).
12. The organic light emitting diode display of claim 1 , wherein
the pixel includes at least one sub-pixel including the display area and the peripheral area, and
the sub-pixel is a red sub-pixel.