Organic electroluminescent display device including a shielding pattern to reduce resistance

1. An electroluminescent display device, comprising:

first and second substrates facing each other and having a pixel region and a non-pixel region;

a thin film transistor and an array layer on an inner surface of the first substrate;

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

a buffer layer on an inner surface of the first electrode in the non-pixel region;

a shielding pattern on an inner surface of the buffer layer;

a separator on an inner surface of the shielding pattern;

an emitting layer on the inner surface of the first electrode in the pixel region;

a second electrode on an inner surface of the emitting layer; and

a connection electrode between the first and second substrates,

wherein the buffer layer has a contact hole, and the first electrode and the shielding pattern are connected through the contact hole.

2. The device according to claim 1 , further comprising an auxiliary electrode between the first electrode and the buffer layer.

3. The device according to claim 1 , wherein the shielding pattern has a resistance lower than the first electrode.

4. The device according to claim 1 , wherein the first electrode is formed of a transparent conductive material.

5. The device according to claim 1 , wherein the shielding pattern is formed of a light shielding material.

6. The device according to claim 1 , wherein the shielding pattern is formed of molybdenum.

7. The device according to claim 1 , wherein the separator includes first and second sub-separators at both side portions of the non-pixel region.

8. The device according to claim 1 , wherein the buffer layer has a width greater than a width of the shielding pattern.

9. The device according to claim 1 , wherein the shielding pattern has a width greater than a width of the separator at a contacting portion between the shielding pattern and the separator.

10. The device according to claim 1 , wherein the emitting layer includes red, green and blue emitting layers.

11. The device according to claim 2 , wherein the buffer layer has a contact hole, and the auxiliary electrode and the shielding pattern are connected through the contact hole.

12. The device according to claim 2 , wherein the auxiliary electrode has a resistance lower than the first electrode.

13. The device according to claim 2 , wherein the auxiliary electrode is formed of molybdenum.

14. The device according to claim 5 , wherein the light shielding material includes black resin.

15. The device according to claim 7 , wherein the shielding pattern includes first and second patterns corresponding to the first and second sub-separators.

16. A method of fabricating a substrate for an electroluminescent display device, comprising:

forming a first electrode on a substrate having a pixel region and a non-pixel region;

forming a buffer layer on the first electrode in the non-pixel region;

forming a shielding pattern on the buffer layer;

forming a separator on the shielding pattern;

forming an emitting layer on the first electrode in the pixel region; and

forming a second electrode on the emitting layer,

wherein forming the buffer layer includes forming a contact hole exposing the first electrode.

17. The method according to claim 16 , further comprising forming an auxiliary electrode between the first electrode and the buffer layer.

18. The method according to claim 16 , wherein forming the separator includes forming first and second sub-separators at both side portions of the non-display region.

19. The method according to claim 17 , wherein forming the buffer layer includes forming a contact hole exposing the auxiliary electrode.

20. The method according to claim 18 , wherein forming the shielding pattern includes forming first and second patterns corresponding to the first and second sub-separators.