Assembly substrate structure of a display device having a semiconductor light emitting device and a display device including the same
View Patent ↗The embodiment relates to a display device including a semiconductor light emitting device. A display device including the semiconductor light emitting device according to an embodiment can include a substrate, a first assembly electrode disposed on the substrate, a second assembly electrode branched and disposed above the first assembly electrode, an insulating layer disposed between the first assembly electrode and the second assembly electrode, an assembly barrier wall including a predetermined assembly hole and disposed on the second assembly electrode, and a semiconductor light emitting diode disposed in the assembly hole and electrically connected to the second assembly electrode.
1 . A display device comprising:
a substrate;
a first assembly electrode disposed on the substrate;
a second assembly electrode branched and disposed above the first assembly electrode;
an insulating layer disposed between the first assembly electrode and the second assembly electrode;
an assembly barrier wall including an assembly hole and disposed on the second assembly electrode; and
a semiconductor light emitting device disposed in the assembly hole, electrically connected to the second assembly electrode,
wherein the second assembly electrode comprises a second body electrode part, and a second-first branch electrode part, a second-second branch electrode part extending from the second body electrode part in a direction of the first assembly electrode and spaced apart from each other,
wherein the first assembly electrode is disposed between the second-first branch electrode part and the second-second branch electrode part,
wherein the first assembly electrode comprises a first body electrode part and a first extended electrode part extending from the first body electrode part in a direction of a second assembly electrode part,
wherein the first extended electrode part is disposed between the second-first branch electrode part and the second-second branch electrode part,
wherein the first extended electrode part comprises a first expanded electrode part having a shape corresponding to a horizontal cross-section of the semiconductor light emitting device, and
wherein the first extended electrode part comprises a first-second extended electrode part extending from the first expanded electrode part in a direction of the second body electrode part.
2 . The display device according to claim 1 , wherein the first assembly electrode and the second assembly electrode do not vertically overlap each other.
3 . The display device according to claim 1 , wherein the second-first branch electrode part or the second-second branch electrode part comprises a curved recess in its inner side,
wherein the first expanded electrode part has a shape corresponding to the curved recess.
4 . The display device according to claim 3 , wherein the second-first branch electrode part or the second-second branch electrode part comprises a second branch body part, a second branch protrusion extending from the second branch body part in a direction of the first extended electrode part and a second recess corresponding to the shape of the first expanded electrode part in the second branch protrusion.
5 . The display device according to claim 1 , wherein a V+/V− signal is applied to the first assembly electrode, and the second assembly electrode is grounded.
6 . A display device having a semiconductor light emitting device, the display device comprising:
a substrate;
a first assembly electrode disposed on the substrate;
a second assembly electrode disposed on the first assembly electrode;
an insulating layer disposed between the first assembly electrode and the second assembly electrode;
a second insulating layer disposed on the second assembly electrode and the insulating layer;
an assembly barrier wall including an assembly hole and disposed on the second assembly electrode;
the semiconductor light emitting device disposed in the assembly hole; and
a connection electrode connecting an upper surface of the second assembly electrode exposed by removing a portion of the second insulating layer and one side of the semiconductor light emitting device.
7 . The display device having the semiconductor light emitting device according to claim 6 , wherein the second assembly electrode comprises a second body electrode part, and a second-first branch electrode part, a second-second branch electrode part extending from the second body electrode part in a direction of a first assembly electrode part and spaced apart from each other, and
wherein the first assembly electrode is disposed between the second-first branch electrode part and the second-second branch electrode part spaced apart.
8 . The display device having the semiconductor light emitting device according to claim 7 , wherein the first assembly electrode comprises a first body electrode part and a first extended electrode part extending from the first body electrode part in a direction of a second assembly electrode part, and
wherein the first extended electrode part comprises a first expanded electrode part having a shape corresponding to a horizontal cross-section of the semiconductor light emitting device.
9 . The display device having the semiconductor light emitting device according to claim 8 , wherein the second-first branch electrode part or the second-second branch electrode part comprises a curved recess inside thereof, and the first expanded electrode part comprises a shape corresponding to the curved recess.
10 . A display device having a semiconductor light emitting device, the display device comprising:
a substrate;
a first assembly electrode disposed on the substrate;
a second assembly electrode disposed on the first assembly electrode;
an insulating layer disposed between the first assembly electrode and the second assembly electrode;
a second insulating layer disposed on the second assembly electrode and the insulating layer;
an assembly barrier wall including an assembly hole and disposed on the second assembly electrode; and
the semiconductor light emitting device disposed in the assembly hole,
wherein the second assembly electrode comprises a second body electrode part, and a second-first branch electrode part, a second-second branch electrode part extending from the second body electrode part in a direction of a first assembly electrode part and spaced apart from each other, and
wherein the first assembly electrode is disposed between the second-first branch electrode part and the second-second branch electrode part spaced apart.