Organic light emitting device (OLED) and white light emitting device

1. A white light emitting device having first, second, and third stacked Organic Light Emitting Devices (OLEDs), wherein each of the first and second OLEDs comprises:

a substrate;

a mesh shaped anode arranged on the substrate and adapted to pass light;

a mesh shaped cathode facing the mesh shaped anode and adapted to pass light; and

an organic light emitting layer arranged between the mesh shaped anode and the mesh shaped cathode; and

wherein the third OLED comprises:

a substrate;

a mesh shaped anode arranged on the substrate and adapted to pass light;

a cathode facing the mesh shaped anode; and

an organic light emitting layer arranged between the mesh shaped anode and the cathode;

wherein the first, second, and third OLEDs respectively generate red, green, and blue light;

wherein the mesh pattern of the mesh shaped anodes of each of the OLEDs is out of line with each other.

2. The white light emitting device of claim 1 , wherein each organic light emitting layer comprises:

a hole transfer layer;

an active layer arranged on the hole transfer layer; and

an electron transfer layer arranged on the active layer.

3. The white light emitting device of claim 1 , wherein each substrate comprises glass or a plastic.

4. The white light emitting device of claim 1 , wherein each mesh shaped anode comprises a metal selected from the group consisting of Ni, Au, Ag, Pt, and Cu.

5. The white light emitting device of claim 1 , wherein each mesh shaped anode comprises a metal having a work function greater than 4.8 eV.

6. The white light emitting device of claim 1 , wherein each mesh shaped anode and mesh shaped cathode are formed by a wet process.

7. The white light emitting device of claim 6 , wherein the wet process comprises:

forming an optical catalyst film by coating an optical catalyst material on a substrate;

forming a water soluble polymer layer by coating a water soluble polymer compound on the optical catalyst film;

producing a latent pattern of nuclei for growing crystals by selectively exposing the optical catalyst film and the water soluble polymer layer; and

producing a metal pattern by plating the latent pattern of nuclei, and growing metal crystals.

8. A light emitting device having first, second, and third stacked Organic Light Emitting Devices (OLEDs), wherein each of the first and second OLEDs comprises:

a substrate;

a mesh shaped anode arranged on the substrate and adapted to pass light;

a mesh shaped cathode facing the mesh shaped anode and adapted to pass light; and

an organic light emitting layer arranged between the mesh shaped anode and the mesh shaped cathode; and

wherein the third OLED comprises:

a substrate;

a mesh shaped anode arranged on the substrate and adapted to pass light;

a cathode facing the mesh shaped anode; and

an organic light emitting layer arranged between the mesh shaped anode and the cathode;

wherein the first, second, and third OLEDs respectively emits three different color lights; and

wherein the mesh pattern of the mesh shaped anodes of each of the OLEDs is out of line with each other.

9. The light emitting device of claim 8 , wherein each organic light emitting layer comprises:

a hole transfer layer;

an active layer arranged on the hole transfer layer; and

an electron transfer layer arranged on the active layer.

10. The light emitting device of claim 8 , wherein each substrate comprises glass or a plastic.

11. The light emitting device of claim 8 , wherein each mesh shaped anode comprises a metal selected from the group consisting of Ni, Au, Ag, Pt, and Cu.

12. The light emitting device of claim 8 , wherein each mesh shaped anode comprises a metal having a work function greater than 4.8 eV.

13. The light emitting device of claim 8 , wherein each mesh shaped anode and mesh shaped cathode are formed by a wet process.

14. The light emitting device of claim 13 , wherein the wet process comprises:

forming an optical catalyst film by coating an optical catalyst material on a substrate;

forming a water soluble polymer layer by coating a water soluble polymer compound on the optical catalyst film;

producing a latent pattern of nuclei for growing crystals by selectively exposing the optical catalyst film and the water soluble polymer layer; and

producing a metal pattern by plating the latent pattern of nuclei, and growing metal crystals.