Organic light emitting display device and method of manufacturing the same
View Patent ↗An organic light emitting display device and a method for manufacturing the same. The organic light emitting display device includes: an insulating layer formed on a substrate; a resistance layer of oxide semiconductor formed on the insulating layer; a wiring layer connected to both side portions of the resistance layer; an organic layer formed on the upper portion including the resistance layer and the wiring layer; and a capping layer formed on the organic layer to be overlapped with the resistance layer.
1. An organic light emitting display device, comprising:
a substrate having a pixel area and a non-pixel area;
an insulating layer disposed on the substrate;
a resistance layer formed on the insulating layer and in the non-pixel area;
a wiring layer connected to opposing sides of the resistance layer;
an active layer formed in the pixel area and on the insulating layer;
a passivation layer formed on the active layer, the resistance layer, and the wiring layer; and
a capping layer formed on the passivation layer and covering the resistance layer, wherein:
the active layer and the resistance layer comprise an oxide semiconductor, and
the concentration of hydrogen in the resistance layer is greater than the concentration of hydrogen in the active layer.
2. The organic light emitting display device as claimed in claim 1 , wherein the oxide semiconductor comprises zinc oxide (ZnO).
3. The organic light emitting display device as claimed in claim 2 , wherein the oxide semiconductor is doped with at least one ion of gallium (Ga), Indium (In), hafnium (Hf), tin (Sn), and combinations thereof.
4. The organic light emitting display device as claimed in claim 1 , further comprising an insulating layer formed on an upper part of the resistance layer,
wherein the wiring layer is connected to the resistance layer through a contact hole formed in the insulating layer.
5. The organic light emitting display device as claimed in claim 1 , wherein the passivation layer comprises acrylic or polyimide.
6. The organic light emitting display device as claimed in claim 1 , wherein the capping layer is made of any one of ITO (Indium Tin Oxide), IZO (Indium Zinc Oxide), and metal.
7. An organic light emitting display device, comprising:
a substrate comprising a display area and a non-display area;
an insulating layer disposed on the substrate;
a resistance layer disposed on the insulating layer and in the non-display area, the resistance layer comprising an oxide semiconductor;
a first wiring layer connected to the resistance layer and comprising a pad part disposed at an edge of the substrate;
a second wiring layer to connect to the resistance layer to a driving circuit;
an active layer disposed in the display area and on the insulating layer, the active comprising the oxide semiconductor;
an organic layer disposed over the active layer; and
a capping layer disposed in the non-display area and covering the resistance layer,
wherein the concentration of hydrogen in the resistance layer is greater than the concentration of hydrogen in the active layer.