Display device
A display device includes a plurality of bank patterns disposed on a substrate and spaced apart from each other, a plurality of electrodes disposed on the substrate and extended parallel to each other and spaced apart from each other, an insulating layer disposed on the plurality of electrodes and the plurality of bank patterns, and a plurality of light emitting elements disposed on the insulating layer, having both ends disposed on the plurality of electrodes, wherein the plurality of bank patterns include sides facing each other, and portions of the plurality of light emitting elements are disposed on the sides of the plurality of bank patterns.
1 . A display device comprising:
a plurality of bank patterns comprising an insulating material and being disposed above a substrate and spaced apart from each other;
a plurality of electrodes disposed on the substrate and extended parallel to each other and spaced apart from each other;
an insulating layer disposed above the plurality of electrodes and the plurality of bank patterns; and
a plurality of light emitting elements disposed above the insulating layer, having both ends disposed on the plurality of electrodes, wherein
the plurality of bank patterns include sides facing each other, and
portions of the plurality of light emitting elements are disposed on the sides of the plurality of bank patterns.
2 . The display device of claim 1 , wherein
the plurality of bank patterns include:
a first bank pattern extended in a direction; and
a second bank pattern disposed parallel to the first bank pattern, and
the plurality of light emitting elements are disposed on a side of the first bank pattern and a side of the second bank pattern, and between the first bank pattern and the second bank pattern.
3 . The display device of claim 2 , wherein the plurality of electrodes include:
a first electrode overlapping the first bank pattern in a plan view;
a second electrode overlapping the second bank pattern in the plan view;
a third electrode overlapping the first bank pattern in the plan view and disposed between the first electrode and the second electrode; and
a fourth electrode overlapping the second bank pattern in the plan view and disposed between the third electrode and the second electrode.
4 . The display device of claim 3 , wherein the plurality of light emitting elements include:
a first light emitting element disposed on the first electrode and the third electrode;
a second light emitting element disposed on the third electrode and the fourth electrode; and
a third light emitting element disposed on the fourth electrode and the second electrode.
5 . The display device of claim 4 , wherein
the first light emitting element overlaps the first bank pattern in the plan view,
the third light emitting element overlaps the second bank pattern in the plan view, and
the second light emitting element does not overlap the first bank pattern and the second bank pattern in the plan view.
6 . The display device of claim 4 , wherein
a length direction of the first light emitting element is parallel to the side of the first bank pattern,
a length direction of the second light emitting element is parallel to the substrate, and
a length direction of the third light emitting element is parallel to the side of the second bank pattern.
7 . The display device of claim 4 , further comprising:
a plurality of connection electrodes disposed on the plurality of electrodes,
wherein the plurality of connection electrodes include:
a first connection electrode electrically contacting a first end of the first light emitting element,
a second connection electrode electrically contacting a first end of the third light emitting element,
a third connection electrode electrically contacting a second end of the first light emitting element and a first end of the second light emitting element, and
a fourth connection electrode electrically contacting a second end of the second light emitting element and a second end of the third light emitting element.
8 . The display device of claim 7 , wherein the first connection electrode and the second connection electrode are extended parallel to the plurality of electrodes.
9 . The display device of claim 7 , wherein
the third connection electrode includes:
a first extension portion adjacent to the first connection electrode and parallel to the first connection electrode;
a second extension portion adjacent to the second connection electrode and parallel to the second connection electrode; and
a first connection portion electrically connecting the first extension portion with the second extension portion, and
the first extension portion electrically contacts the second end of the first light emitting element, and
the second extension portion electrically contacts the first end of the second light emitting element.
10 . The display device of claim 7 , wherein
the fourth connection electrode includes:
a third extension portion adjacent to the first connection electrode and parallel to the first connection electrode;
a fourth extension portion adjacent to the second connection electrode and parallel to the second connection electrode; and
a second connection portion electrically connecting the third extension portion with the fourth extension portion,
the third extension portion electrically contacts the second end of the second light emitting element, and
the fourth extension portion electrically contacts the second end of the third light emitting element.
11 . The display device of claim 1 , wherein the plurality of bank patterns include:
bank holes that pass through the plurality of bank patterns; and
reflective layers disposed inside the bank holes.
12 . The display device of claim 1 , wherein the plurality of bank patterns include:
bank grooves recessed in a thickness direction from upper surfaces of the plurality of bank patterns; and
reflective layers disposed inside the bank grooves.
13 . An electronic device comprising:
a plurality of bank patterns comprising an insulating material and being disposed above a substrate and spaced apart from each other;
a plurality of electrodes disposed on the substrate and extended parallel to each other and spaced apart from each other;
an insulating layer disposed above the plurality of electrodes and the plurality of bank patterns; and
a plurality of light emitting elements disposed above the insulating layer, having both ends disposed on the plurality of electrodes, wherein
the plurality of bank patterns include sides facing each other, and
portions of the plurality of light emitting elements are disposed on the sides of the plurality of bank patterns.
14 . The electronic device of claim 13 , wherein the electronic device comprises at least one of a television, a laptop computer, a monitor, an advertising board, an Internet of things (IoT) device, a mobile phone, a smartphone, a tablet personal computer (PC), an electronic watch, a smartwatch, a watch phone, a head-mounted display, a mobile communication terminal, a digital diary, an electronic-book reader, a portable multimedia player (PMP), a navigator, a game machine, a digital camera, or a camcorder.