Display device and manufacturing method of the same
A display device includes, a substrate; first alignment electrodes disposed on the substrate; second alignment electrodes disposed on the substrate and spaced apart from the first alignment electrodes, respectively; light emitting elements disposed between the first alignment electrodes and the second alignment electrodes; first connection electrodes in contact with first end portions of the light emitting elements and overlapping the first alignment electrodes, respectively; and second connection electrodes in contact with second end portions of the light emitting elements, overlapping the second alignment electrodes, respectively, and spaced apart from the first connection electrodes, respectively. An edge portion of each of the first connection electrodes extends along an edge portion of each of the first alignment electrodes, and an edge portion of each of the second connection electrodes extends along an edge portion of each of the second alignment electrodes.
1 . A display device comprising:
a substrate;
a plurality of first internal banks disposed on the substrate and having an inclined side surface and a top surface;
a plurality of second internal banks disposed on the substrate, having an inclined side surface and a top surface, and spaced apart from the plurality of first internal banks, respectively;
a plurality of first alignment electrodes respectively disposed on the plurality of first internal banks;
a plurality of second alignment electrodes respectively disposed on the plurality of first internal banks and spaced apart from the plurality of first alignment electrodes, respectively;
a plurality of light emitting elements disposed between the plurality of first alignment electrodes and the plurality of second alignment electrodes;
a plurality of first connection electrodes in contact with first end portions of the plurality of light emitting elements, the plurality of first connection electrodes overlapping the plurality of first alignment electrodes, respectively;
a plurality of second connection electrodes in contact with second end portions of the plurality of light emitting elements, the plurality of second connection electrodes overlapping the plurality of second alignment electrodes, respectively, and spaced apart from the plurality of first connection electrodes, respectively; and
an insulating layer disposed between portions of the plurality of first connection electrodes which overlap the top surfaces of the plurality of the first internal banks and portions of the plurality of first alignment electrodes which overlap the top surfaces of the plurality of the first internal banks, wherein
each of the plurality of first connection electrodes has a first edge overlapping a corresponding one of the plurality of light emitting elements and a second edge opposite to the first edge thereof in a plan view,
each of the plurality of second connection electrodes has a first edge overlapping a corresponding one of the plurality of light emitting elements and a second edge opposite to the first edge thereof in a plan view,
the first and second edges of each of the plurality of first connection electrodes in a plan view are disposed inwardly from an edge of each of the plurality of first alignment electrodes, respectively, in a plan view, and
the first and second edges of each of the plurality of second connection electrodes in a plan view are disposed inwardly from an edge of each of the plurality of second alignment electrodes, respectively, in a plan view.
2 . The display device of claim 1 , wherein
adjacent first alignment electrodes among the plurality of first alignment electrodes are spaced apart from each other by a separation portion, and
adjacent first connection electrodes among the plurality of first connection electrodes are spaced apart from each other by the separation portion.
3 . The display device of claim 2 , wherein the first and second edges of each of the plurality of first alignment electrodes are spaced apart from the edge of each of the plurality of first connection electrodes by a first gap.
4 . The display device of claim 3 , wherein adjacent second alignment electrodes among the plurality of second alignment electrodes are spaced apart from each other by the separation portion, and
adjacent second connection electrodes among the plurality of second connection electrodes are spaced apart from each other by the separation portion.
5 . The display device of claim 4 , wherein the first and second edges of each of the plurality of second alignment electrodes is spaced apart from the edge of each of the plurality of second connection electrodes by a second gap having a same size, in a plan view, as the first gap.
6 . The display device of claim 5 , wherein each of the plurality of first connection electrodes and the plurality of second connection electrodes includes a plurality of metal particles and a crosslinking member disposed between the plurality of metal particles.
7 . The display device of claim 6 , wherein the plurality of metal particles have magnetism.
8 . The display device of claim 2 , wherein a planar area of each of the plurality of first connection electrodes is smaller than a planar area of the corresponding one of the plurality of first alignment electrodes in a plan view.