Display device using semiconductor light-emitting devices
A display device, according to the present invention, comprises: semiconductor light-emitting devices; and a substrate on which the semiconductor light-emitting devices are received, and which comprises wiring electrodes electrically connected to the semiconductor light-emitting devices. The substrate comprises: a base part; assembly electrodes disposed on the base part so as to extend in one direction; a dielectric layer formed so as to cover the assembly electrodes; and a partition part formed on the dielectric layer and forming cells in which the semiconductor light-emitting devices are seated, wherein the partition part comprises a first partition part formed from metal material, and a second partition part formed from insulating material, and the first partition part and second partition part comprise a micropattern.
1 . A display device comprising:
a substrate;
semiconductor light-emitting devices disposed on the substrate and connected to wiring electrodes;
wherein the substrate comprises:
a base portion;
assembly electrodes disposed on the base portion;
a dielectric layer formed to cover the assembly electrodes; and
a plurality of partition wall portions formed on the dielectric layer and defining cells therebetween, wherein the semiconductor light-emitting devices are positioned in the cells,
wherein each partition wall portion comprises a first partition wall portion formed on the dielectric layer and a second partition wall portion formed to cover the first partition wall portion, and
wherein the second partition wall portion comprises a second pattern,
wherein the second partition wall portion is formed to cover a first pattern of the first partition wall portion,
wherein the first partition wall portion is formed of a metal material, and the second partition wall portion is formed of an insulating material,
wherein the base portion comprises a third pattern on a surface on top of which the assembly electrodes are disposed, and
wherein the assembly electrodes are disposed on the base portion along the third pattern of the base portion and have a shape corresponding to the third pattern of the base portion.
2 . The display device of claim 1 , wherein the first pattern of the first partition wall portion is formed at an interface between the first partition wall portion and the second partition wall portion.
3 . The display device of claim 1 , further comprising:
a planarization layer formed on the second partition wall portion and disposed in the cell.
4 . The display device of claim 3 , wherein the second pattern of the second partition wall portion is formed at an interface between the second partition wall portion and the planarization layer.
5 . The display device of claim 1 , wherein the partition wall portions are formed to overlap the assembly electrodes.
6 . The display device of claim 1 , wherein opposing surfaces of adjacent second partition wall portions form inner surfaces of the cell.
7 . The display device of claim 1 ,
wherein the dielectric layer is formed to cover the assembly electrodes to overlap the third pattern of the base portion.
8 . The display device of claim 7 , wherein the semiconductor light-emitting devices each comprise a fourth pattern on a surface in contact with the dielectric layer, wherein the fourth pattern of the semiconductor light-emitting device has a shape corresponding to a fifth pattern of the dielectric layer.