Display device
The display device includes a substrate, a first wiring line on the substrate, a second wiring line on the substrate, and a first insulating member on the first wiring line and the second wiring line, a blocking member disposed across the first wiring line and the second wiring line, a second insulating member including a plurality of assembly holes, and a plurality of light emitting devices disposed in each of the plurality of assembly holes. Each of the plurality of assembly holes includes a first region closer to the blocking member and a second region farther than the first region from the blocking member. A part of the blocking member is disposed in the first area of the assembly hole.
1 . A display device comprising:
a substrate;
a first wiring line on the substrate;
a second wiring line on the substrate;
a first insulating member on the first wiring line and the second wiring line;
a blocking member disposed across the first wiring line and the second wiring line;
a second insulating member comprising a plurality of assembly holes; and
a plurality of light emitting devices disposed in each of the plurality of assembly holes,
wherein each of the plurality of assembly holes comprises a first region close to the blocking member and a second region farther from the blocking member than the first region,
wherein a part of the blocking member is disposed in the first region of an assembly hole, and
wherein each of the plurality of light emitting devices comprises:
a first conductivity-type semiconductor layer;
an active layer on the first conductivity-type semiconductor layer;
a second conductivity-type semiconductor layer on the active layer;
a first and second insulating layers on at least both side surfaces of the first conductivity-type semiconductor layer; and
a first metal layer surrounding at least the second conductivity-type semiconductor layer.
2 . The display device according to claim 1 , wherein the first insulating layer overlaps a portion of the first wiring line in the assembly hole and the second insulating layer overlaps a portion of the second wiring line in the assembly hole.
3 . The display device according to claim 1 , wherein a thickness of the first metal layer is equal to a thickness of the blocking member.
4 . The display device according to claim 1 , wherein the first and second insulating layers are disposed on at least both side surfaces of each of the active layer and the second conductivity-type semiconductor layer, and
wherein the first metal layer is disposed on the first and second insulating layers.
5 . The display device according to claim 1 , wherein the first and second insulating layers of a light emitting device are disposed in the first region of the assembly hole.
6 . The display device according to claim 1 , wherein the first and second insulating layers of a light emitting device are configured to be in contact with the part of the blocking member in the assembly hole.
7 . The display device according to claim 1 , wherein the first metal layer of a light emitting device is disposed farther from a portion of the blocking member than the first and second insulating layers.
8 . The display device according to claim 1 , wherein the first metal layer of a light emitting device is disposed in the second region of the assembly hole.
9 . The display device according to claim 1 , wherein the first metal layer of a light emitting device is configured to be in contact with the first insulating member in the assembly hole.
10 . The display device according to claim 1 , wherein a width of the part of the blocking member overlaps 0.5 to 1 time a thickness of the first conductivity-type semiconductor layer of a light emitting device.
11 . The display device according to claim 1 , wherein a width of the part of the blocking member is greater than a length of the first metal layer of a light emitting device.
12 . The display device according to claim 1 , wherein the first conductivity-type semiconductor layer of a light emitting device is disposed on the first region of the assembly hole, and
wherein the second conductivity-type semiconductor layer of the light emitting device is disposed on the second region of the assembly hole.
13 . The display device according to claim 1 , wherein the blocking member comprises a metal material.
14 . The display device according to claim 1 , further comprising:
a first connection electrode connecting the first wiring line and the first metal layer of a light emitting device through a first contact hole; and
a second connection electrode connecting the second wiring line and the first conductivity-type semiconductor layer of the light emitting device through a second contact hole.
15 . The display device according to claim 1 , wherein a light emitting device comprises one of a plate light emitting device, a cylindrical light emitting device, a disk light emitting device, a micro light emitting device, a nano light emitting device, or a rod light emitting device.
16 . The display device according to claim 1 , wherein a thickness of the first metal layer is equal to or greater than a thickness of the blocking member.
17 . The display device according to claim 1 , further comprising a second metal layer on the second conductivity-type semiconductor layer.
18 . The display device according to claim 17 , wherein the second metal layer comprises a magnetic material.
19 . The display device according to claim 17 , wherein the first metal layer is configured to surround the second metal layer.
20 . The display device according to claim 17 , wherein a sum of thicknesses of the second conductivity-type semiconductor layer and the second metal layer is equal to a thickness of the first conductivity-type semiconductor layer.