Display device with a source-drain electrode pattern including a ring-shaped bypass portion bypassing a central portion of the emission area
A display device includes a first source-drain electrode pattern which includes a first bypass portion having a ring shape and bypassing a central portion of an emission area, thereby reducing a rainbow mura phenomenon from occurring by light reflected from a pixel electrode.
1 . A display device comprising:
an emission area;
a pixel electrode including at least a portion that is in the emission area; and
a first source-drain electrode pattern comprising a first bypass portion which has a ring shape that bypasses a central portion of the emission area, an inner edge of the ring shape of the first bypass portion overlapping with a bank defining the emission area.
2 . The display device of claim 1 , further comprising:
a light-emitting element including the pixel electrode,
wherein the light-emitting element is a top emission type.
3 . The display device of claim 1 , wherein the first bypass portion is non-overlapping with the pixel electrode.
4 . The display device of claim 1 , wherein the first bypass portion overlaps a peripheral portion of the pixel electrode, but not a central portion of the pixel electrode in the central portion of the emission area.
5 . The display device of claim 4 , wherein the first bypass portion overlaps a peripheral portion of the emission area that overlaps the peripheral portion of the pixel electrode.
6 . The display device of claim 4 , wherein a portion of the pixel electrode between ends of the pixel electrode has a concave shape.
7 . The display device of claim 1 , wherein the first bypass portion is non-overlapping with a peripheral portion of the emission area that overlaps a peripheral portion of the pixel electrode.
8 . The display device of claim 4 , wherein the pixel electrode comprises an inclined portion that surrounds the emission area.
9 . The display device of claim 8 , further comprising:
a planarization layer between the first source-drain electrode pattern and the pixel electrode, the planarization layer including a convex portion that surrounds the emission area and overlaps the first bypass portion and the inclined portion of the pixel electrode.
10 . The display device of claim 9 , wherein a thickness of the first bypass portion is greater than a thickness of the convex portion.
11 . The display device of claim 1 , further comprising:
a second source-drain electrode pattern.
12 . The display device of claim 11 , wherein the first source-drain electrode pattern is on a different layer from the second source-drain electrode pattern such that the first source-drain electrode pattern is closer to the pixel electrode than the second source-drain electrode pattern.
13 . The display device of claim 11 , wherein a portion of the second source-drain electrode pattern overlaps the central portion of the emission area.
14 . The display device of claim 11 , wherein the first bypass portion has a thickness that is greater than a thickness of the second source-drain electrode pattern.
15 . A display device comprising:
a substrate including an emission area;
a pixel electrode in the emission area;
a first source-drain electrode pattern that is electrically connected to the pixel electrode, the first source-drain electrode pattern including a portion that surrounds a portion of the pixel electrode that is between ends of the pixel electrode such that the first source-drain electrode pattern is non-overlapping with the portion of the pixel electrode, wherein the portion of the first source-drain electrode pattern surrounding the portion of the pixel electrode between the ends of the pixel electrode overlaps with a bank defining the emission area,
wherein the first source-drain electrode pattern is located closer to the substrate than the pixel electrode, and
wherein a distance between outmost edges of the first source-drain electrode pattern opposing each other is greater than a distance between outmost edges of the pixel electrode opposing each other in a plan view of the display device.
16 . The display device of claim 15 , wherein the portion of the pixel electrode is a central portion of the pixel electrode and the portion of the first source-drain electrode pattern comprises a ring shape that surrounds the central portion of the pixel electrode.
17 . The display device of claim 15 , wherein the pixel electrode is included in a light-emitting element that is configured to emit light in the emission area.
18 . The display device of claim 15 , wherein the first source-drain electrode pattern is non-overlapping with the ends of the pixel electrode and the portion of the pixel electrode that is between the ends of the pixel electrode.
19 . The display device of claim 15 , wherein the first source-drain electrode pattern overlaps the ends of the pixel electrode but is non-overlapping with the portion of the pixel electrode that is between the ends of the pixel electrode.
20 . The display device of claim 19 , wherein the portion of the pixel electrode between the ends of the pixel electrode is concave.
21 . The display device of claim 15 , wherein the pixel electrode comprises an inclined portion that surrounds the emission area and the display device further comprising:
a planarization layer between the first source-drain electrode pattern and the pixel electrode, the planarization layer including a convex portion that surrounds the emission area and overlaps the first bypass portion and the inclined portion of the pixel electrode.
22 . The display device of claim 15 , further comprising:
a second source-drain electrode pattern that is on a different layer than the first source-drain electrode pattern, the second source-drain electrode pattern overlapping with the portion of the pixel electrode that is between ends of the pixel electrode.
23 . The display device of claim 15 , wherein the pixel electrode is included in a light-emitting element that is configured to emit light in the emission area.
24 . The display device of claim 15 , wherein the first source-drain electrode pattern is non-overlapping with the ends of the pixel electrode and the portion of the pixel electrode that is between the ends of the pixel electrode.
25 . The display device of claim 15 , wherein the first source-drain electrode pattern overlaps the ends of the pixel electrode but is non-overlapping with the portion of the pixel electrode that is between the ends of the pixel electrode.
26 . The display device of claim 15 , further comprising:
a second source-drain electrode pattern that is closer to the substrate than the first source-drain electrode pattern, the second source-drain electrode pattern electrically connected to the pixel electrode via the first source-drain electrode pattern and is overlapping with the portion of the pixel electrode that is between ends of the pixel electrode.
27 . The display device of claim 15 , wherein the portion of the first source-drain electrode pattern surrounding the portion of the pixel electrode between the ends of the pixel electrode overlaps with a bank defining the emission area.