Organic light emitting diode display device having metal enclosing wall
An organic light emitting diode display device and a manufacturing method thereof are provided. The organic light emitting diode display device includes a first flexible substrate, a second flexible substrate, a first barrier layer, a second barrier layer, an organic light emitting diode element, and a metal enclosing wall. The first barrier layer is disposed on the first flexible substrate, and the second barrier layer is disposed on the second flexible substrate. The organic light emitting diode element is disposed between the first barrier layer and the second barrier layer. The metal enclosing wall connects the first flexible substrate to the second flexible substrate and surrounds the organic light emitting diode element.
1. An organic light emitting diode (OLED) display device, comprising:
a first flexible substrate;
a first barrier layer disposed on the first flexible substrate;
a second flexible substrate;
a second barrier layer disposed on the second flexible substrate;
an organic light emitting diode element disposed between the first barrier layer and the second barrier layer;
a metal enclosing wall connecting the first flexible substrate to the second flexible substrate and surrounding the organic light emitting diode element; and
an encapsulating glue covering the first flexible substrate, the second flexible substrate, and the metal enclosing wall.
2. The organic light emitting diode display device according to claim 1 , wherein the material of the metal enclosing wall comprises tin (Sn) or a solid solution metal, wherein the solid solution metal is tin-gold (SnAu) alloy, tin-nickel (SnNi) alloy, tin-antimony (SnSb) alloy, tin-lead (SnPb) alloy, tin-bismuth (SnBi) alloy, tin-copper (SnCu) alloy, or combinations thereof.
3. The organic light emitting diode display device according to claim 1 , wherein the metal enclosing wall further comprises:
a first metal layer connected to the first flexible substrate;
a second metal layer connected to the second flexible substrate; and
a third metal layer formed between the first metal layer and the second metal layer, wherein the material of the third metal layer is different from the materials of the first metal layer and the second metal layer.
4. The organic light emitting diode display device according to claim 3 , wherein each of the interfaces between the first metal layer and the third metal layer and between the second metal layer and the third metal layer has a microstructure formed thereon, respectively.
5. The organic light emitting diode display device according to claim 3 , wherein the thickness of the first metal layer and the thickness of the second metal layer are 300-1000 nm.
6. The organic light emitting diode display device according to claim 3 , wherein the material of the first metal layer and the material of the second metal layer comprise aluminum (Al), molybdenum (Mo), aluminum-niobium (AlNb) alloy, tin, or a solid solution metal, wherein the solid solution metal is tin-gold (SnAu) alloy, tin-nickel (SnNi) alloy, tin-antimony (SnSb) alloy, tin-lead (SnPb) alloy, tin-bismuth (SnBi) alloy, tin-copper (SnCu) alloy, or combinations thereof.
7. The organic light emitting diode display device according to claim 3 , wherein the material of the third metal layer comprises an organic-inorganic mixture material, the organic-inorganic mixture material comprising an organic material portion and an inorganic material portion, the organic material portion comprises a water resistant colloid, the inorganic material portion comprises tin or a solid solution metal, and the solid solution metal is tin-gold (SnAu) alloy, tin-nickel (SnNi) alloy, tin-antimony (SnSb) alloy, tin-lead (SnPb) alloy, tin-bismuth (SnBi) alloy, tin-copper (SnCu) alloy, or combinations thereof.
8. The organic light emitting diode display device according to claim 1 , further comprising a third barrier layer covering the organic light emitting diode element.
9. The organic light emitting diode display device according to claim 1 , further comprising a filler filled inside the metal enclosing wall and covering the organic light emitting diode element.
10. The organic light emitting diode display device according to claim 1 , further comprising an IC component, a flexible cable, or the combination of both bonded to the first flexible substrate.
11. The organic light emitting diode display device according to claim 10 , further comprising a first functional film adhered onto the encapsulating glue, wherein the thickness of the first functional film is about 200-300 μm.
12. The organic light emitting diode display device according to claim 1 , further comprising a color filter disposed between the second flexible substrate and the organic light emitting diode element.
13. The organic light emitting diode display device according to claim 1 , further comprising a thin film transistor layer disposed between the first flexible substrate and the organic light emitting diode element.