Organic light emitting display and method of fabricating the same
An organic light emitting display (OLED) and a method of fabricating the same are provided. The method includes forming the OLED having upper and lower substrates that emit different colors from each other, and coupling the upper and lower substrates together.
1. A method of fabricating an organic light emitting display, comprising:
forming a first reflective type pixel electrode on a first substrate, the first substrate comprising at least two pixel regions;
forming a first organic layer having at least an emission layer on the first pixel electrode;
forming a first transparent type opposite electrode on the first organic layer;
forming a second transparent type pixel electrode on a second substrate, the second substrate comprising at least one pixel region;
forming a second organic layer having at least an emission layer on the second pixel electrode;
forming a second transparent type opposite electrode on the second organic layer; and
coupling the first substrate and the second substrate with each other.
2. The method of claim 1 , further comprising:
forming at least one thin film transistor between the first substrate and the first pixel electrode; and
forming at least one thin film transistor between the second substrate and the second pixel electrode.
3. The method of claim 1 , wherein the first organic layer is formed in the at least two pixel regions using a fine metal mask.
4. The method of claim 1 , wherein the first organic layer comprises a blue emission layer as a common layer corresponding to the at least two pixel regions.
5. The method of claim 1 , wherein the first, second and third pixel regions are red, blue and green pixel regions, respectively.
6. The method of claim 5 , wherein the first substrate comprises the first pixel region and the second pixel region, and the second substrate comprises the third pixel region.
7. The method of claim 6 , wherein the first pixel region overlaps a portion of the second pixel region.
8. The method of claim 7 , wherein the first substrate comprises the second pixel region and the third pixel region, and the second substrate comprises the first pixel region.
9. The method of claim 8 , wherein the third pixel region overlaps a portion of the second pixel region.
10. The method of claim 5 , wherein the first substrate comprises the first pixel region, the second pixel region and the third pixel region, and the second substrate comprises the first pixel region and the third pixel region.
11. The method of claim 10 , wherein the second substrate comprises the first, third, third and first pixel regions, which are sequentially arranged, and the first substrate comprises the third, second, second, first, first, second, second and third pixel regions, which are sequentially arranged.
12. The method of claim 11 , wherein the second substrate emits red, green and yellow light, and the first substrate emits red, green, blue, cyan and magenta light.
13. The method of claim 12 , wherein the yellow light comprises red and green light, the cyan light comprises green and blue light, and the magenta light comprises blue and red light.