DISPLAY SUBSTRATE AND METHOD OF MANUFACTURING THE SAME

1 . A display substrate, comprising:

a substrate comprising a display area and a peripheral area outside the display area;

a signal line disposed in the display area;

a pad electrode disposed on the peripheral area and electrically connected to the signal line;

an organic layer disposed on the substrate, the organic layer comprising a first contact hole exposing a portion of the pad electrode; and

a conductive member comprising a plurality of conductive balls disposed in the first contact hole and electrically connecting the pad electrode and a connection terminal of a driving part, the driving part to provide a driving signal to the signal line.

2 . The display substrate of claim 1 , wherein the conductive member further comprises an adhesive disposed in the first contact hole.

3 . The display substrate of claim 2 , wherein the conductive member further comprises a conductive material disposed in a lower portion of the first contact hole.

4 . The display substrate of claim 1 , further comprising an adhesive film disposed on the conductive member and attaching the driving part to the substrate.

5 . The display substrate of claim 1 , wherein the organic layer comprises at least one of an organic film, a color filter, and a black matrix.

6 . The display substrate of claim 5 , wherein the organic layer comprises the organic film, and the organic film is a negative-type organic film.

7 . The display substrate of claim 1 , wherein a height of the upper surface of the organic layer corresponding to the display area is substantially identical to a height of the upper surface of the organic layer corresponding to the peripheral area with respect to the substrate.

8 . The display substrate of claim 1 , further comprising a first transparent electrode disposed on the substrate corresponding to the first contact hole and electrically connected to a gate pad electrode,

wherein the signal line comprises a gate line arranged in a first direction, and the pad electrode comprises the gate pad electrode extending from the gate line.

9 . The display substrate of claim 8 , further comprising a second contact hole and a second transparent electrode,

wherein the signal line further comprises a data line arranged in a second direction crossing the first direction, the pad electrode comprises a data pad electrode electrically s connected to the data line, the second contact hole exposing the data pad electrode, and the second transparent electrode is disposed in the second contact hole.

10 . A method of manufacturing a display substrate, the method comprising:

forming a signal line in a display area of a substrate;

forming a pad electrode in a peripheral area outside the display area, the pad electrode electrically connected to the signal line;

forming an organic layer on the substrate;

forming a contact hole corresponding to the pad electrode by removing a portion of the organic layer; and

forming a conductive member by disposing a conductive material comprising conductive balls in the contact hole,

wherein the conductive member electrically connects the pad electrode and a connection terminal of a driving part providing a driving signal to the signal line.

11 . The method of claim 10 , wherein the conductive material further comprises an adhesive material attaching the driving part to the substrate.

12 . The method of claim 11 , wherein forming the conductive member by disposing the conductive material comprises:

disposing the conductive material comprising the conductive balls and the adhesive material in the contact hole by a first inkjet printer.

13 . The method of claim 12 , wherein forming the conductive member by disposing the conductive material further comprises:

disposing a conductive layer by a second inkjet printer before disposing the conductive material by the first inkjet printer.

14 . The method of claim 10 , further comprising disposing an adhesive film on the conductive member.

15 . The method of claim 10 , wherein a height of the upper surface of the organic layer corresponding to the display area is substantially identical to a height of the upper surface of the organic layer corresponding to the peripheral area with respect to the substrate.

16 . The method of claim 15 , wherein the organic layer comprises at least one of an organic film, a color filter, and a black matrix.

17 . The method of claim 16 , wherein the organic layer comprises the organic film, and the organic film is a negative-type organic film.

18 . The method of claim 10 , further comprising:

forming a transparent electrode layer on the organic layer; and

patterning the transparent electrode layer to form a transparent electrode corresponding to the contact hole.

19 . The method of claim 10 , wherein forming the signal line and the pad electrode comprises:

forming a gate line arranged in a first direction on the display area, a gate electrode in the display area electrically connected to the gate line, and a gate pad electrode in the peripheral area electrically connected to the gate line;

forming a first insulation layer, a semiconductor layer, an ohmic contact layer, and a data metal layer on the substrate on which the gate line, the gate electrode, and the gate pad electrode are formed;

forming an active pattern in the display area by patterning the semiconductor layer and the ohmic contact layer;

forming a source electrode, a data line, and a drain electrode spaced apart from the source electrode in the display area and a data pad electrode electrically connected to the data line in the peripheral area by patterning the data metal layer to; and

forming a second insulation layer on the substrate, the organic layer being formed on the second insulation layer.