Display panel and display device having crack dams disposed around an opening
A display panel includes an opening area, a display area surrounding at least a part of the opening area, an intermediate area between the opening area and the display area, a light-emitting diode disposed on a substrate in the display area and including a first electrode, a second electrode, and a functional layer between the first electrode and the second electrode a first dam disposed in the intermediate area, a first crack dam located between the first dam and the opening area, and a second crack dam located between the first crack dam and the opening area, wherein the functional layer extends from the display area to the intermediate area, and the functional layer includes a first opening located between the first dam and the first crack dam.
1 . A display panel comprising:
an opening area;
a display area surrounding at least a part of the opening area;
an intermediate area between the opening area and the display area;
a light-emitting diode disposed on a substrate in the display area and including:
a first electrode;
a second electrode; and
a functional layer between the first electrode and the second electrode;
a first dam disposed in the intermediate area;
a first crack dam located between the first dam and the opening area; and
a second crack dam located between the first crack dam and the opening area, wherein
the functional layer extends from the display area to the intermediate area,
the functional layer includes a first opening located between the first dam and the first crack dam; and
an inorganic insulating layer disposed on the substrate, wherein
the inorganic insulating layer includes at least one groove, and
the first crack dam fills the at least one groove included in the inorganic insulating layer.
2 . The display panel of claim 1 , wherein
each of the at least one groove is formed in a surface of the inorganic insulating layer that faces away from the substrate,
the inorganic insulating layer is disposed between the substrate and each of the first dam, the first crack dam, the second crack dam and the functional layer in a thickness direction of the display device.
3 . The display panel of claim 1 , wherein
the second crack dam fills the at least one groove included in the inorganic insulating layer, and
the inorganic insulating layer is disposed in both the display area and the intermediate area.
4 . The display panel of claim 1 , further comprising:
a third crack dam located between the second crack dam and the opening area, wherein
the first opening exposes an upper surface of the inorganic insulating layer that faces away from the substrate.
5 . The display panel of claim 1 , further comprising:
a second dam located between the first dam and the display area.
6 . The display panel of claim 5 , wherein the functional layer comprises:
a second opening located between the first dam and the second dam; and
a third opening located between the display area and the second dam, wherein
each of the second opening and the third opening exposes an upper surface of the inorganic insulating layer that faces away from the substrate.
7 . The display panel of claim 5 , further comprising:
a metal layer overlapping the first dam in a plan view, wherein each of first dam and the second dam is disposed between the metal layer and the substrate in a thickness direction of the display panel.
8 . The display panel of claim 7 , wherein
the metal layer at least partially overlaps a top surface of the first dam, a first side surface of the first dam adjacent to the second dam, and a second side surface of the first dam adjacent to the opening area in a plan view, and
the metal layer at least partially overlaps a top surface of the second dam, and a side surface of the second dam adjacent to the first dam in a plan view.
9 . The display panel of claim 8 , wherein
the metal layer includes an opening overlapping the top surface of the first dam in a plan view.
10 . The display panel of claim 9 , wherein the metal layer further includes a first metal layer and a second metal layer,
wherein the first metal layer and the second metal layer at least partially overlap each other in a plan view.
11 . The display panel of claim 7 , further comprising:
a planarization layer disposed on the metal layer, wherein
the planarization layer is comprised of an organic insulating material,
the planarization layer planarizes an upper surface in the intermediate area, and
each of the first dam, the second dam, the first crack dam, and the second crack dam are disposed between the substrate and the planarization layer in a thickness direction of the display device.
12 . The display panel of claim 11 , further comprising:
a crack detection layer located between the display area and the second dam.
13 . The display panel of claim 12 , wherein the planarization layer covers the crack detection layer.
14 . A display panel comprising:
an opening area;
a display area surrounding at least a part of the opening area;
an intermediate area between the opening area and the display area;
an inorganic insulating layer disposed on a substrate in both the intermediate area and the display area, wherein the inorganic insulating layer includes at least one groove;
a plurality of dams disposed on the inorganic intermediate layer and in the intermediate area;
a plurality of crack dams located between the plurality of dams and the opening area; and
a metal layer at least partially overlapping the plurality of dams in a plan view.
15 . The display panel of claim 14 , wherein
the plurality of crack dams include:
a first crack dam located between the display area and the opening area; and
a second crack dam located between the first crack dam and the opening area,
the plurality of dams include:
a first dam located between the display area and the first crack dam; and
a second dam located between the display area and the first dam, and
each of the first crack dam, the second crack dam, the first dam and the second dam comprises an organic insulating material.
16 . The display panel of claim 15 , wherein
the at least one groove is formed in an upper surface of the inorganic insulating layer that faces away from the substrate, and
the first crack dam fills the at least one groove included in the inorganic insulating layer.
17 . The display panel of claim 16 , wherein the second crack dam fills the at least one groove included in the inorganic insulating layer.
18 . The display panel of claim 15 , wherein the plurality of crack dams include a third crack dam located between the second crack dam and the opening area.
19 . The display panel of claim 15 , further comprising:
a light-emitting diode disposed in the display area and including:
a first electrode;
a second electrode; and
a functional layer between the first electrode and the second electrode, wherein
the functional layer extends from the display area to the intermediate area, and
the functional layer includes a first opening located between the first dam and the first crack dam.
20 . An electronic device comprising:
a display panel including:
an opening area;
a display area surrounding at least a part of the opening area; and
an intermediate area between the opening area and the display area; and
a component disposed on a bottom surface of the display panel and at least partially overlapping the opening area in a plan view,
wherein the display panel comprises:
an inorganic insulating layer disposed on a substrate in both the display area and the intermediate area;
a plurality of dams disposed on an upper surface of the inorganic insulating layer and in the intermediate area;
a plurality of crack dams located between the plurality of dams and the opening area and on the inorganic insulating layer; and
a metal layer at least partially overlapping each of the plurality of dams in a plan view, wherein each of the plurality of dams is disposed between the metal layer and the substrate in a thickness direction of the display panel.