Organic electroluminescent display device and method of fabricating the same

1. An organic electroluminescent display device, comprising:

first and second substrates facing and spaced apart from each other;

gate and data lines on an inner surface of the first substrate and crossing each other to define a pixel region;

a switching element at a crossing point of the gate and data lines;

a driving element connected to the switching element;

a first passivation layer including a contact hole exposing a drain electrode of the driving element;

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

an organic light-emitting layer on the first electrode in the pixel region;

a partition wall formed in a border portion between adjacent pixel regions such that the organic light-emitting layer is partitioned by the partition wall;

a second electrode on the organic light-emitting layer in the pixel region;

an organic pattern being formed only on a drain electrode of the driving element;

a connection electrode covering the organic pattern and electrically connecting with the second electrode of the second substrate as well as with the drain electrode of the driving element through the contact hole;

an isolation pattern formed between the partition wall and the first electrode to prevent the second electrode from contacting the first electrode;

a third substrate attached to an outer surface of the second substrate;

a coloring element on an inner surface of the third substrate; and

a black matrix on the inner surface of the third substrate, wherein the black matrix corresponds to the partition wall.

2. The device according to claim 1 , further comprising a power line connected to the driving element.

3. The device according to claim 1 , wherein the first electrode functions as an anode electrode and the second electrode acts as a cathode electrode.

4. The device according to claim 1 , wherein the coloring element includes a color filter layer.

5. The device according to claim 1 , wherein the coloring element includes a color-changing medium layer.

6. The device according to claim 5 , wherein the coloring element further includes a color filter layer.

7. The device according to claim 5 , wherein the organic light-emitting layer emits blue light.

8. The device according to claim 1 , further comprising a second passivation layer covering the coloring element and the black matrix at the inner surface of the third substrate.

9. The device according to claim 1 , wherein the first and second substrates are attached by a seal pattern, and the second and third substrates are attached by an adhesion layer that is applied to an entire inner surface of the third substrate.

10. The device according to claim 1 , wherein the first and second substrates are attached by a first seal pattern in a peripheral portion and the second and third substrates are attached by a second seal pattern in a peripheral portion.

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

forming gate and data lines on a first substrate, the gate and data lines crossing each other to define a pixel region;

forming a switching element at a crossing point of the gate and data lines;

forming a driving element connected to the switching element;

forming a first passivation layer including a contact hole to expose a drain electrode of the driving element;

forming an organic pattern only on the drain electrode of the driving element with a predetermined thickness in accordance with a gap between the first and the second substrates;

forming a connection electrode on to cover the organic pattern for connecting the drain electrode of the driving element with a second electrode of the second substrate electrically;

forming a first electrode on a first surface of a second substrate;

forming an organic light-emitting layer on the first electrode in the pixel region;

forming an isolation pattern between the partition wall and the first electrode to prevent the second electrode from contacting the first electrode;

forming a partition wall in a border portion between adjacent pixel regions such that the organic light-emitting layer is partitioned by the partition wall;

forming a second electrode on the organic light-emitting layer in the pixel region, the second electrode being electrically connected to the driving element;

forming a coloring element on a third substrate;

attaching the first substrate and the second substrate such that the second electrode faces and is electrically connected to the connection electrode; and

attaching the third substrate to a second surface of the second substrate such that the coloring element is disposed between the third substrate and the second substrate, and

forming a black matrix on a surface of the third substrate that has the color element thereon, wherein the black matrix corresponds to the partition wall.

12. The method according to claim 11 , wherein the first electrode functions as an anode electrode and the second electrode acts as a cathode electrode.

13. The method according to claim 12 , wherein the first electrode has a higher work function than the second electrode.

14. The method according to claim 13 , wherein the first electrode includes indium tin oxide, and the second electrode includes one of aluminum (Al), calcium (Ca), magnesium (Mg) and lithium-fluorine/aluminum(LiF/Al).

15. The method according to claim 11 , wherein the coloring element includes a color filter layer.

16. The method according to claim 11 , wherein the coloring element includes a color-changing medium layer.

17. The method according to claim 16 , wherein the coloring element further includes a color filter layer.

18. The method according to claim 16 , wherein the organic light-emitting layer emits blue light.

19. The method according to claim 11 , further comprising forming a power line connected to the driving element.

20. The method according to claim 11 , further comprising forming a second passivation layer covering the coloring element and the black matrix over the third substrate.

21. The method according to claim 11 , wherein attaching the first substrate and the second substrate includes forming a seal pattern at a periphery portion, and

wherein attaching third substrate to the second surface of the second substrate includes forming an adhesion layer between substantially the entire second surface of the second substrate and substantially an entire surface of the third substrate that has the coloring element thereon.

22. The method according to claim 11 , wherein attaching the first substrate and the second substrate includes forming a first seal pattern in a peripheral portion, and

wherein attaching the third substrate to the second surface of the second substrate includes forming a second seal pattern in a peripheral portion.