Display device
A display device including a substrate, a bank pattern extending in a first direction on the substrate, a first electrode on the bank pattern, a second electrode on the substrate, a first insulating layer on the first electrode and the second electrode, a light emitting element on the first insulating layer, and including a first end on the first electrode, and a second end on the second electrode, a first connection electrode contacting the first end of the light emitting element, and a second connection electrode contacting the second end of the light emitting element, wherein the bank pattern overlaps the first electrode and does not overlap the second electrode.
1 . A display device comprising:
a substrate;
a bank pattern extending in a first direction above the substrate;
a first electrode above the bank pattern;
a second electrode above the substrate;
a first insulating layer above the first electrode and the second electrode;
a light emitting element above the first insulating layer, and comprising a first end above the first electrode, and a second end above the second electrode;
a first connection electrode contacting the first end of the light emitting element; and
a second connection electrode contacting the second end of the light emitting element,
wherein the bank pattern overlaps the first electrode and does not overlap the second electrode in a third direction that is perpendicular to the substrate, such that a highest height of the second electrode in the third direction is less than a highest height of the first electrode in the third direction, and
wherein the first electrode and the second electrode comprise a ferroelectric.
2 . The display device of claim 1 , wherein a width of the second electrode in a second direction crossing the first direction is greater than a width of the first electrode in the second direction.
3 . The display device of claim 2 , wherein the width of the second electrode is about 1.5 to about 3 times the width of the first electrode.
4 . The display device of claim 1 , wherein an area of the second electrode is larger than an area of the first electrode.
5 . The display device of claim 1 , wherein the light emitting element comprises a light emitting layer adjacent to the first electrode.
6 . The display device of claim 1 , further comprising a via layer between the substrate and the second electrode, wherein an entire lower surface of the second electrode contacts the via layer.
7 . The display device of claim 1 , wherein the ferroelectric comprises at least one of PZT, SBT, and BLT.
8 . A display device comprising:
a substrate;
a first electrode and a second electrode above the substrate, extending lengthwise in a first direction, and spaced apart from each other in a second direction crossing the first direction;
a first insulating layer covering the first electrode and the second electrode;
a light emitting element above the first insulating layer, comprising a first end above the first electrode, and a second end above the second electrode, and extending in the second direction;
a first connection electrode above the first electrode and directly physically contacting the first end of the light emitting element; and
a second connection electrode above the second electrode and directly physically contacting the second end of the light emitting element,
wherein a width of the second electrode in the second direction is greater than a width of the first electrode in the second direction, and
wherein the first electrode and the second electrode comprise a ferroelectric.
9 . The display device of claim 8 , wherein the width of the second electrode is about 1.5 to about 3 times the width of the first electrode.
10 . The display device of claim 8 , wherein an area of the second electrode is larger than an area of the first electrode.
11 . The display device of claim 8 , further comprising a bank pattern between the substrate and the first electrode, and overlapping the first electrode while not overlapping the second electrode in a direction perpendicular to the substrate.
12 . The display device of claim 11 , wherein the light emitting element comprises a light emitting layer adjacent to the first electrode.
13 . The display device of claim 8 , wherein the ferroelectric comprises at least one of PZT, SBT, and BLT.
14 . A display device comprising:
a first electrode, a second electrode, and a third electrode on a substrate, extending in a first direction, and spaced apart from each other;
a first insulating layer on the first electrode, the second electrode, and the third electrode;
a first light emitting element on the first insulating layer, and comprising a first end on the first electrode, and a second end on the second electrode;
a second light emitting element on the first insulating layer, and comprising a first end on the first electrode and, a second end on the third electrode;
a first connection electrode contacting the first end of the first light emitting element and the first end of the second light emitting element;
a second connection electrode contacting the second end of the first light emitting element; and
a third connection electrode contacting the second end of the second light emitting element,
wherein a width of each of the second electrode and the third electrode in a second direction crossing the first direction is greater than a width of the first electrode in the second direction.
15 . The display device of claim 14 , wherein the width of each of the second electrode and the third electrode is about 1.5 to about 3 times the width of the first electrode.
16 . The display device of claim 14 , wherein an area of each of the second electrode and the third electrode is larger than an area of the first electrode.
17 . The display device of claim 14 , further comprising a bank pattern between the substrate and the first electrode, and overlapping the first electrode while not overlapping the second electrode and the third electrode.
18 . The display device of claim 14 , wherein each of the first light emitting element and the second light emitting element comprises a light emitting layer adjacent to the first electrode.
19 . The display device of claim 14 , wherein the first electrode, the second electrode, and the third electrode comprise a ferroelectric comprising at least one of PZT, SBT, and BLT.