Display device with improved alignment of light emitting elements, and method of fabricating the same
A display device and a method of fabricating a display device are provided. A display device includes: a first electrode and a second electrode on a substrate and spaced apart from each other; a third electrode on the substrate; and a first light emitting element between the first electrode and the second electrode. The first electrode, the second electrode, and the third electrode may be arranged on a same layer. The third electrode may be electrically separated from the first electrode and the second electrode.
1. A display device comprising:
a first electrode and a second electrode on a substrate and spaced apart from each other;
a bank on the substrate, and protruding in a display direction of the display device;
a third electrode on the substrate; and
a first light emitting element between the first electrode and the second electrode,
wherein the first electrode, the second electrode, and the third electrode are arranged on a same layer,
wherein the third electrode is electrically separated from the first electrode and the second electrode, and
wherein the bank and the third electrode overlap each other only partially in plan view.
2. The display device according to claim 1 , wherein, in a plan view, the third electrode overlaps neither the first electrode nor the second electrode.
3. The display device according to claim 2 , wherein the first electrode and the second electrode are spaced apart from each other in a first direction, and
wherein the third electrode is spaced apart from the first electrode and the second electrode in the first direction, and extends in a second direction intersecting the first direction.
4. The display device according to claim 1 , wherein the first electrode, the second electrode, and the third electrode comprise a same material.
5. The display device according to claim 1 , wherein the third electrode comprises a reflective material, such that light provided to the third electrode is reflected in the display direction of the display device.
6. The display device according to claim 1 , further comprising:
a first contact electrode electrically connecting the first electrode with the first light emitting element; and
a second contact electrode electrically connecting the second electrode with the first light emitting element,
wherein the first contact electrode and the second contact electrode are electrically separated from the third electrode.
7. The display device according to claim 1 , further comprising:
a fourth electrode and a fifth electrode on the substrate and spaced apart from each other;
a second light emitting element between the fourth electrode and the fifth electrode; and
a sixth electrode on the substrate and overlapping neither the fourth electrode nor the fifth electrode in a plan view.
8. The display device according to claim 7 , wherein the first electrode, the second electrode, the third electrode, the fourth electrode, the fifth electrode, and the sixth electrode comprise a same material.
9. The display device according to claim 7 , further comprising:
a third contact electrode electrically connecting the fourth electrode with the second light emitting element; and
a fourth contact electrode electrically connecting the fifth electrode with the second light emitting element,
wherein the third contact electrode and the fourth contact electrode are electrically separated from the sixth electrode.
10. The display device according to claim 1 , wherein the third electrode is a floating line.
11. The display device according to claim 1 , wherein a portion of the third electrode is between the second electrode and the bank.
12. The display device according to claim 1 , further comprising a light control part configured to change a wavelength of light provided from the first light emitting element.
13. A display device comprising:
a first electrode and a second electrode on a substrate and spaced apart from each other;
a third electrode on the substrate;
a light emitting element between the first electrode and the second electrode;
a first contact electrode electrically connecting the first electrode with the light emitting element; and
a second contact electrode electrically connecting the second electrode with the light emitting element,
wherein the first electrode, the second electrode, and the third electrode are arranged on a same layer,
wherein, in a plan view, the third electrode overlaps neither the first electrode nor the second electrode, and
wherein the second contact electrode is electrically connected with the third electrode.
14. The display device according to claim 13 , wherein the light emitting element is supplied with a cathode signal through the second electrode and the second contact electrode.