Light emitting device and manufacturing method thereof
AssigneeAu Optronics Corporation
InventorsChao-Shun Yang, Chen-Ming Hu
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Abstract
A manufacturing method of a light emitting device is provided. A first electrode is formed on a substrate. The first electrode includes a patterned conductive layer, and the patterned conductive layer includes an alloy containing a first metal and a second metal. An annealing process is performed on the first electrode, so as to form a passivation layer at least on a side surface of the first electrode. The passivation layer includes a compound of the second metal. A light emitting layer is formed on the first electrode. A second electrode is formed on the light emitting layer.
Claims25
A light emitting device comprising:
- a substrate;
- a first electrode disposed on the substrate, the first electrode comprising an alloy containing a first metal and indium, an alloy containing the first metal and zinc, or an alloy containing the first metal and indium-zinc, wherein indium, zinc, or indium-zinc accounts for about 0.1 wt %˜about 2 wt % of the alloy;
- a second electrode disposed on the first electrode;
- and
- a light emitting layer disposed between the first electrode and the second electrode.
A light emitting device comprising:
- a substrate;
- a first electrode disposed on the substrate, the first electrode comprising a first patterned conductive layer, the first patterned conductive layer comprising an alloy containing a first metal and a second metal;
- a passivation layer at least disposed on a side surface of the first electrode, the passivation layer comprising a compound of the second metal, wherein a work function of the compound of the second metal ranges from about 4.8 to about 5.5;
- a second electrode disposed on the first electrode;
- and
- a light emitting layer disposed between the first electrode and the second electrode.
A manufacturing method of a light emitting device, comprising:
- forming a first electrode on a substrate, the first electrode comprising a first patterned conductive layer, the first patterned conductive layer comprising an alloy containing a first metal and a second metal;
- performing an annealing process on the first electrode to form a passivation layer at least on a side surface of the first electrode, wherein the passivation layer comprises a compound of the second metal;
- forming a light emitting layer on the first electrode;
- and
- forming a second electrode on the light emitting layer.
Dependencies are inferred from the claim text.