Dual panel-type organic electroluminescent display device and method of fabricating the same

1. An organic electroluminescent display device, comprising:

first and second substrates bonded together, the first and second substrates having a plurality of pixel regions, each pixel region includes a central portion and first and second portions at both sides of the central portion;

a driving element on an inner surface of the first substrate within each of the plurality of pixel regions, the driving element being disposed in the central portion;

first and second connection electrodes contacting the driving element and disposed in the first and second portions;

a first electrode on an inner surface of the second substrate;

an organic electroluminescent layer on the first electrode; and

a second electrode on the organic electroluminescent layer,

wherein the second electrode contacts the first and second connection electrodes.

2. The device according to claim 1 , wherein the driving element includes a thin film transistor having a driving active layer, a driving gate electrode, a driving source electrode, and a driving drain electrode.

3. The device according to claim 2 , wherein the driving drain electrode includes a first extension in the first portion and a second extension in the second portion.

4. The device according to claim 3 , wherein the first and second connection electrodes contact the first and second extensions, respectively.

5. The device according to claim 1 , further comprising a switching element connected to the driving element via a capacitor.

6. The device according to claim 5 , wherein the switching element includes a gate electrode connected to a gate line, a source connected to a data line, and a drain connected to a first electrode of the capacitor.

7. The device according to claim 6 , wherein the driving element includes a source connected to a second electrode of the capacitor.

8. The device according to claim 6 , wherein the drain of the switching element is connected to a gate of the driving element.

9. The device according to claim 1 , wherein the first electrode is an anode for injecting holes into the organic electroluminescent layer and the second electrode is a cathode for injecting electrons into the organic electroluminescent layer.

10. The device according to claim 9 , wherein the first electrode includes one of indium-tin-oxide (ITO) and indium-zinc-oxide (IZO).

11. The device according to claim 9 , wherein the second electrode includes at least one of aluminum (Al), calcium (Ca), magnesium (Mg), and lithium (Li).

12. The device according to claim 1 , wherein the organic electroluminescent layer includes a hole-transporting layer and an electron-transporting layer.

13. A method of fabricating an organic electroluminescent display device, comprising:

forming a driving element on a first substrate having a plurality of pixel regions, each pixel region including a central portion and first and second portions at both sides of the central portion, the driving element being disposed in the central portion;

forming first and second connection electrodes contacting the driving element, the first and second connection electrodes being respectively disposed in the first and second portions;

forming a first electrode on a second substrate;

forming an organic electroluminescent layer on the first electrode;

forming a second electrode on the organic electroluminescent layer; and

bonding the first and second substrates together such that the second electrode contacts the first and second connection electrodes.

14. The method according to claim 13 , wherein forming of the driving element includes forming a driving active layer, forming a driving gate electrode, and forming driving source and drain electrodes.

15. The method according to claim 14 , wherein the driving drain electrode includes a first extension in the first portion and a second extension in the second portion.

16. The method according to claim 15 , wherein the first and second connection electrodes contact the first and second extensions, respectively.

17. The method according to claim 13 , further comprising forming a switching element connected to the driving element.

18. The method according to claim 13 , wherein the first electrode is an anode for injecting holes into the organic electroluminescent layer and the second electrode is a cathode for injecting electrons into the organic electroluminescent layer.

19. The method according to claim 18 , wherein the first electrode includes one of indium-tin-oxide (ITO) and indium-zinc-oxide (IZO).

20. The device according to claim 18 , wherein the second electrode includes at least one of aluminum (Al), calcium (Ca), magnesium (Mg), and lithium (Li).

21. The method according to claim 13 , wherein the organic electroluminescent layer includes a hole-transporting layer and an electron-transporting layer.