Display device and method of manufacturing display device

1 . A display device, comprising:

a substrate;

a plurality of first lines disposed on the substrate and spaced apart from each other;

a plurality of second lines disposed on the substrate and disposed between the plurality of respective first lines;

a plurality of light emitting elements disposed on the plurality of first lines and the plurality of second lines; and

a plurality of third lines disposed on the plurality of light emitting elements between the plurality of first lines and the plurality of second lines,

wherein each of the plurality of light emitting elements includes,

a first semiconductor layer overlapping the plurality of first lines and electrically connected to the plurality of first lines and the plurality of second lines;

a light emitting layer disposed at one surface of the first semiconductor layer;

a second semiconductor layer disposed at one surface of the light emitting layer;

a conductor layer disposed at one surface of the second semiconductor layer and in contact with the plurality of third lines; and

a non-conductor layer disposed at one surface of the conductor layer and overlapping the plurality of second lines,

wherein the first semiconductor layer, the light emitting layer, the second semiconductor layer, the conductor layer and the non-conductor layer are arranged along a horizontal direction and disposed on a same plane,

wherein the first semiconductor layer, the light emitting layer, the second semiconductor layer, the conductive layer and the non-conductive layer have the same width in a vertical direction, and

wherein the plurality of third lines is in contact with an upper portion of the conductor layer and an upper portion of the non-conductor layer.

2 . The display device of claim 1 , wherein the light emitting layer is disposed adjacent to and closer to one end at which the first semiconductor layer is disposed among both ends of the light emitting element.

3 . The display device of claim 1 , wherein the conductor layer is disposed at a central portion of the light emitting element.

4 . The display device of claim 1 , wherein each of the plurality of light emitting elements further includes a protective layer surrounding the first semiconductor layer, the light emitting layer, and the second semiconductor layer.

5 . The display device of claim 1 , further comprising:

an insulating layer disposed between the plurality of first lines and the plurality of light emitting elements and between the plurality of second lines and the plurality of light emitting elements; and

a connection electrode disposed on the plurality of light emitting elements and electrically connecting the plurality of light emitting elements and the plurality of first lines and the plurality of second lines.

6 . The display device of claim 5 , wherein the connection electrode is in contact with a portion of the plurality of first lines and a portion of the plurality of second lines that are exposed through contact holes in the insulating layer, and the first semiconductor layer and the non-conductor layer that are disposed at both ends of the light emitting element.

7 . The display device of claim 5 , further comprising:

a driving transistor disposed on the substrate and electrically connected to the plurality of first lines and the plurality of second lines; and

a common line disposed on the substrate and electrically connected to the plurality of third lines.

8 . The display device of claim 1 , further comprising:

an additional insulating layer disposed between the plurality of light emitting elements and the plurality of third line,

wherein the plurality of third lines are in contact with central portions of the plurality of light emitting elements through contact holes in the additional insulating layer.

9 . A method of manufacturing a display device, comprising:

forming a plurality of first lines spaced apart from each other and a plurality of second lines between the plurality of first lines on a substrate;

forming a plurality of light emitting elements on the plurality of first lines and the plurality of second lines; and

forming a plurality of third lines on the plurality of light emitting elements between the plurality of first lines and the plurality of second lines,

wherein each of the plurality of light emitting elements includes,

a first semiconductor layer overlapping the plurality of first lines and electrically connected to the plurality of first lines and the plurality of second lines;

a light emitting layer disposed at one surface of the first semiconductor layer;

a second semiconductor layer disposed at one surface of the light emitting layer;

a conductor layer disposed at one surface of the second semiconductor layer and in contact with the plurality of third lines; and

a non-conductor layer disposed at one surface of the conductor layer and overlapping the plurality of second lines,

wherein the first semiconductor layer, the light emitting layer, the second semiconductor layer, the conductor layer and the non-conductor layer are arranged along a horizontal direction and disposed on a same plane,

wherein the first semiconductor layer, the light emitting layer, the second semiconductor layer, the conductive layer and the non-conductive layer have the same width in a vertical direction, and

wherein the plurality of third lines is in contact with an upper portion of the conductor layer and an upper portion of the non-conductor layer.

10 . The method of claim 9 , wherein the plurality of light emitting elements are self-aligned by applying a voltage to the plurality of first lines and the plurality of second lines.