Organic light emitting display and method of fabricating the same
View Patent ↗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. An organic light emitting display, comprising:
a first substrate; and
a second substrate coupled with the first substrate,
wherein the first substrate comprises a first pixel electrode, a first organic layer comprising an emission layer, and a first opposite electrode,
wherein the second substrate comprises a second pixel electrode, a second organic layer comprising an emission layer, and a second opposite electrode,
wherein the first substrate and the second substrate together comprise a first pixel region, a second pixel region, and a third pixel region,
wherein at least one thin film transistor is arranged between the first substrate and the first pixel electrode; and
wherein at least one thin film transistor is arranged between the second substrate and the second pixel electrode.
2. The organic light emitting display of claim 1 , wherein the first, second and third pixel regions are red, blue and green pixel regions, respectively.
3. The organic light emitting display of claim 2 , wherein the first substrate comprises the first pixel region and the second pixel region, and the second substrate comprises the third pixel region.
4. The organic light emitting display of claim 3 , wherein the first pixel region overlaps a portion of the second pixel region.
5. The organic light emitting display of claim 2 , wherein the first substrate comprises the second pixel region and the third pixel region, and the second substrate comprises the first pixel region.
6. The organic light emitting display of claim 5 , wherein the third pixel region overlaps a portion of the second pixel region.
7. The organic light emitting display of claim 2 , 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.
8. The organic light emitting display of claim 7 , 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.
9. The organic light emitting display of claim 8 , wherein the second substrate emits red, green and yellow light, and the first substrate emits red, green, blue, cyan and magenta light.
10. The organic light emitting display of claim 9 , 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.
11. The organic light emitting display of claim 1 , further comprising a driver integrated circuit arranged on one of the first substrate and the second substrate.
12. The organic light emitting display of claim 1 , further comprising an anisotropic conductive layer arranged between the first substrate and the second substrate.
13. The organic light emitting display of claim 1 , wherein the first substrate comprises a top emission organic light emitting display, and the second substrate comprises a dual emission organic light emitting display.
14. The organic light emitting display of claim 1 , further comprising an organic insulating layer arranged between the first substrate and the second substrate.
15. The organic light emitting display of claim 1 , wherein the first pixel electrode is formed of a reflective electrode.
16. The organic light emitting display of claim 1 , wherein the first opposite electrode, the second pixel electrode and the second opposite electrode are formed of transparent electrodes.
17. The organic light emitting display 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.
18. The organic light emitting display of claim 1 , further comprising arranging an anisotropic conductive film between the first substrate and the second substrate to electrically couple the first substrate and the second substrate.
19. The organic light emitting display of claim 1 , further comprising forming an organic insulating layer between the first substrate and the second substrate.