Display device and manufacturing method for the same

1 . A display device comprising:

alignment electrodes disposed on a base layer, the alignment electrodes being spaced apart from each other;

a light emitting element disposed on the alignment electrodes;

a first conductive connection pattern layer including a first connection electrode electrically connected to the light emitting element, at least a portion of the first conductive connection pattern layer disposed on the alignment electrodes; and

a second conductive connection pattern layer including a second connection electrode electrically connected to the light emitting element and a conductive pattern layer disposed on the first conductive connection pattern layer, at least a portion of the second conductive connection pattern layer disposed on the alignment electrodes, wherein

the conductive pattern layer is electrically connected to the first conductive connection pattern layer,

the conductive pattern layer is disposed at a higher level than the first conductive connection pattern layer, with respect to the base layer.

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

serial parts including a first serial part and a second serial part that are electrically connected to each other, each of the first serial part and the second serial part including the light emitting element; and

a first power source and a second power source that supply different power sources to the serial parts, wherein

the serial parts are electrically connected between the first power source and the second power source,

the first conductive connection pattern layer further includes a third connection electrode,

the light emitting element of the first serial part electrically connects the first connection electrode and a first portion of the second connection electrode to each other, and

the light emitting element of the second serial part electrically connects a second portion of the second connection electrode and the third connection electrode to each other.

3 . The display device of claim 1 , wherein

the conductive pattern layer and the second conductive connection pattern layer includes a same material, and

the conductive pattern layer and the first conductive connection pattern layer are disposed on different layers, respectively.

4 . The display device of claim 2 , wherein the conductive pattern layer is included in each of the serial parts.

5 . The display device of claim 2 , wherein

the second conductive connection pattern layer includes a bridge that connects a first portion of the second connection electrode included in the first serial part and a second portion of the second connection electrode included in the second serial part,

the conductive pattern layer includes a first conductive pattern layer included in the first serial part and a second conductive pattern layer included in the second serial part,

the first conductive pattern layer is adjacent to a first side of the bridge, and

the second conductive pattern layer is adjacent to a second side of the bridge.

6 . The display device of claim 5 , wherein

the alignment electrodes are spaced apart from each other in a first direction, and

the first conductive pattern layer and the second conductive pattern layer do not overlap the light emitting element in the first direction.

7 . The display device of claim 1 , wherein the conductive pattern layer is electrically connected to the first conductive connection pattern layer, which overlaps the conductive pattern layer in a plan view, through a contact part penetrating an insulating layer between the conductive pattern layer and the first conductive connection pattern layer.

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

serial parts including a first serial part and a second serial part that are electrically connected to each other;

a first power source and a second power source that supply different power sources to the serial parts; and

a repair conductive pattern layer included in the second serial part, wherein

the serial parts are electrically connected between the first power source and the second power source,

the conductive pattern layer includes a first conductive pattern layer included in the first serial part and a second conductive pattern layer included in the second serial part,

the first conductive connection pattern layer further includes a third connection electrode,

the light emitting element of the first serial part electrically connects the first connection electrode and a first portion of the second connection electrode to each other, and

the repair conductive pattern layer electrically connects a second portion of the second connection electrode and the second conductive pattern layer to each other in the second serial part.

9 . The display device of claim 8 , wherein the repair conductive pattern layer overlaps the second conductive pattern layer in a plan view.

10 . The display device of claim 8 , wherein the light emitting element does not electrically connect the second connection electrode and the third connection electrode in the second serial part.

11 . The display device of claim 8 , wherein the repair conductive pattern layer includes a conductive ink.

12 . The display device of claim 1 , further comprising a first serial part, a second serial part, a third serial part, and a fourth serial part that are electrically connected to each other, each of the first serial part, the second serial part, the third serial part, and the fourth serial part including the light emitting element, wherein

the first conductive connection pattern layer further includes a third connection electrode and a fifth connection electrode,

the second conductive connection pattern layer further includes a fourth connection electrode,

the light emitting element includes a first light emitting element included in the first serial part, a second light emitting element in the second serial part, a third light emitting element in the third serial part, and a fourth light emitting element in the fourth serial part, and

the first connection electrode, the first light emitting element, the second connection electrode, the second light emitting element, the third connection electrode, the third light emitting element, the fourth connection electrode, the fourth light emitting element, and the fifth connection electrode are sequentially electrically connected to each other.

13 . A method for manufacturing a display device, the method comprising:

disposing alignment electrodes on a base layer;

disposing a light emitting element on the alignment electrodes in serial parts on the base layer;

disposing a first conductive connection pattern layer on the base layer;

disposing a second conductive connection pattern layer on the base layer; and

performing a repair process on the serial parts, wherein

the disposing of the second conductive connection pattern layer includes disposing a conductive pattern layer on at least a portion of the first conductive connection pattern layer,

each of the first conductive connection pattern layer and the second conductive connection pattern layer includes connection electrodes spaced apart from each other with an area, in which the light emitting element is disposed, in each of the serial parts,

the serial parts include a first serial part and a second serial part, and

the performing of the repair process includes:

determining whether the connection electrode of the first conductive connection pattern layer and the connection electrode of the second conductive connection pattern layer are electrically connected to each other in each of the serial parts; and

disposing a repair conductive pattern layer on the conductive pattern layer in the second serial part in which the connection electrode of the first conductive connection pattern layer and the connection electrode of the second conductive connection pattern layer are not electrically connected to each other.

14 . The method of claim 13 , wherein

each of the connection electrodes includes:

a first connection electrode included in the first serial part and a third connection electrode including at least a portion in the second serial part, the first connection electrode and the third connection electrode included in the first conductive connection pattern layer; and

a second connection electrode including a first portion included in the first serial part and a second portion included in the second serial part, the second connection electrode included in the second conductive connection pattern layer, and

the disposing of the second conductive connection pattern layer is performed after the disposing of the first conductive connection pattern layer.

15 . The method of claim 14 , wherein the determining whether a connection electrode of the first conductive connection pattern layer and a connection electrode of the second conductive connection pattern layer are electrically connected to each other includes checking whether the light emitting element electrically connects the connection electrodes to each other.

16 . The method of claim 13 , wherein the repair conductive pattern layer electrically connects a first portion of the second conductive connection pattern layer and a second portion of the second conductive connection pattern layer to each other.

17 . The method of claim 13 , wherein the repair conductive pattern layer includes a conductive ink.

18 . The method of claim 13 , further comprising disposing an insulating layer between the first conductive connection pattern layer and the second conductive connection pattern layer, wherein

the disposing of the insulating layer includes forming a hole exposing at least a portion of the first conductive connection pattern layer in a plan view.

19 . An electronic device comprising:

alignment electrodes disposed on a base layer, the alignment electrodes being spaced apart from each other;

a light emitting element disposed on the alignment electrodes;

a first conductive connection pattern layer including a first connection electrode electrically connected to the light emitting element, at least a portion of the first conductive connection pattern layer disposed on the alignment electrodes;

a second conductive connection pattern layer including a second connection electrode electrically connected to the light emitting element and a conductive pattern layer disposed on the first conductive connection pattern layer, at least a portion of the second conductive connection pattern layer disposed on the alignment electrodes;

serial parts including a first serial part and a second serial part that are electrically connected to each other;

a first power source and a second power source that supply different power sources to the serial parts; and

a repair conductive pattern layer included in the second serial part, wherein

the conductive pattern layer is electrically connected to the first conductive connection pattern layer, and

the conductive pattern layer is disposed at a higher level than the first conductive connection pattern layer, with respect to the base layer.