Display panel
A display panel includes a substrate including a display area and a non-display area disposed outside the display area, first to third light-emitting diodes disposed on a substrate in the display area, a metal bank layer disposed in the display area and having pixel openings, a first inorganic encapsulation layer disposed on the first light-emitting diode, a first dummy layer disposed between the first inorganic encapsulation layer and the metal bank layer, a first clad layer overlapping an end of the first dummy layer, and a dam disposed on the non-display area and including a first inorganic layer and a second inorganic layer on the first inorganic layer, wherein the first inorganic layer and the first inorganic encapsulation layer include a same material, and the second inorganic layer and the first clad layer include a same material.
1 . A display panel, comprising:
a display area;
a non-display area disposed outside the display area;
first to third light-emitting diodes disposed on a substrate in the display area and emitting light in different colors, the first to third light-emitting diodes each including:
a pixel electrode;
an opposite electrode disposed to correspond to the pixel electrode; and
an intermediate layer disposed between the pixel electrode and the opposite electrode;
a metal bank layer disposed in the display area and having pixel openings corresponding to the pixel electrode of the first light-emitting diode, the pixel electrode of the second light-emitting diode, and the pixel electrode of the third light-emitting diode;
a first inorganic encapsulation layer disposed on the first light-emitting diode;
a first dummy layer disposed between the first inorganic encapsulation layer and the metal bank layer;
a first clad layer overlapping an end of the first dummy layer; and
a dam disposed in the non-display area to surround at least a portion of the display area and including:
a first inorganic layer; and
a second inorganic layer on the first inorganic layer, wherein
the first inorganic layer and the first inorganic encapsulation layer include a same material, and
the second inorganic layer and the first clad layer include a same material.
2 . The display panel of claim 1 , wherein
the metal bank layer includes a first sub-metal layer and a second sub-metal layer that are disposed on the first sub-metal layer, and
the second sub-metal layer has tips each extending from an upper surface of the first sub-metal layer toward a center of each of the pixel openings.
3 . The display panel of claim 1 , wherein the second inorganic layer is disposed to correspond to an upper surface of the first inorganic layer.
4 . The display panel of claim 1 , further comprising:
an inorganic bank layer disposed below the metal bank layer and having openings corresponding to the pixel electrode of the first light-emitting diode, the pixel electrode of the second light-emitting diode, and the pixel electrode of the third light-emitting diode, wherein
the dam further includes a lower inorganic layer disposed below the first inorganic layer, and
the lower inorganic layer and the inorganic bank layer include a same material.
5 . The display panel of claim 1 , wherein
the dam further includes a metal layer disposed below the first inorganic layer, and
the metal layer and the metal bank layer include a same material.
6 . The display panel of claim 1 , further comprising:
a second inorganic encapsulation layer disposed on the second light-emitting diode;
a second dummy layer disposed between the second inorganic encapsulation layer and the metal bank layer; and
a second clad layer overlapping an end of the second dummy layer, wherein
the dam further includes a third inorganic layer and a fourth inorganic layer sequentially stacked on each other on the second inorganic layer,
the third inorganic layer and the second inorganic encapsulation layer include a same material, and
the fourth inorganic layer and the second clad layer include a same material.
7 . The display panel of claim 1 , further comprising:
an organic encapsulation layer disposed on the first inorganic encapsulation layer, wherein
the dam includes a first dam and a second dam apart from the first dam and disposed outside the first dam, and
the end of the organic encapsulation layer is disposed on a side surface or an upper surface of the first dam.
8 . The display panel of claim 2 , wherein each of the opposite electrode of the first light-emitting diode, the opposite electrode of the second light-emitting diode, and the opposite electrode of the third light-emitting diode directly contacts the second sub-metal layer.
9 . The display panel of claim 4 , wherein the dam further includes an organic layer disposed between the lower inorganic layer and the first inorganic layer.
10 . The display panel of claim 4 , wherein the first inorganic layer directly contacts the lower inorganic layer.
11 . The display panel of claim 6 , further comprising:
a third inorganic encapsulation layer disposed on the third light-emitting diode;
a third dummy layer disposed between the third inorganic encapsulation layer and the metal bank layer; and
a third clad layer overlapping an end of the third dummy layer, wherein
the dam further includes a fifth inorganic layer and a sixth inorganic layer sequentially stacked on each other on the fourth inorganic layer,
the fifth inorganic layer and the third inorganic encapsulation layer include a same material, and
the sixth inorganic layer and the third clad layer include a same material.
12 . The display panel of claim 7 , further comprising:
a common voltage supply line disposed on the non-display area and surrounding at least a portion of the display area,
wherein the metal bank layer directly contacts the common voltage supply line.
13 . The display panel of claim 12 , wherein an outer end of the common voltage supply line and the second dam overlap each other.
14 . A display panel, comprising:
an opening area;
a display area surrounding the opening area;
a middle area disposed between the opening area and the display area;
first to third light-emitting diodes disposed on a substrate in the display area and emitting light in different colors, the first to third light-emitting diodes each including:
a pixel electrode;
an opposite electrode disposed to correspond to the pixel electrode; and
an intermediate layer disposed between the pixel electrode and the opposite electrode;
a metal bank layer disposed in the display area and having pixel openings corresponding to the pixel electrode of the first light-emitting diode, the pixel electrode of the second light-emitting diode, and the pixel electrode of the third light-emitting diode;
a first inorganic encapsulation layer disposed on the first light-emitting diode;
a first dummy layer disposed between the first inorganic encapsulation layer and the metal bank layer;
a first clad layer overlapping an end of the first dummy layer; and
a barrier rib disposed on the middle area to surround the opening area and including:
a first inorganic barrier layer; and
a second inorganic barrier layer on the first inorganic barrier layer,
wherein
the first inorganic barrier layer and the first inorganic encapsulation layer include a same material, and
the second inorganic barrier layer and the first clad layer include a same material.
15 . The display panel of claim 14 , further comprising:
an inorganic bank layer disposed below the metal bank layer and having openings corresponding to the pixel electrode of the first light-emitting diode, the pixel electrode of the second light-emitting diode, and the pixel electrode of the third light-emitting diode, wherein
the barrier rib further includes a lower inorganic barrier layer disposed below the first inorganic barrier layer, and
the lower inorganic barrier layer and the inorganic bank layer include a same material.
16 . The display panel of claim 14 , wherein
the barrier rib further includes a metal barrier layer disposed below the first inorganic barrier layer, and
the metal barrier layer and the metal bank layer include a same material.
17 . The display panel of claim 14 , further comprising:
a second inorganic encapsulation layer disposed on the second light-emitting diode;
a second dummy layer disposed between the second inorganic encapsulation layer and the metal bank layer; and
a second clad layer overlapping an end of the second dummy layer, wherein
the barrier rib further includes a third inorganic barrier layer and a fourth inorganic barrier layer sequentially stacked on each other on the second inorganic barrier layer,
the third inorganic barrier layer and the second inorganic encapsulation layer include a same material, and
the fourth inorganic barrier layer and the second clad layer include a same material.
18 . The display panel of claim 14 , further comprising:
a separator disposed in the middle area and including a first layer and a second layer on the first layer,
wherein the second layer has tips extending from an upper surface of the first layer toward the display area and the opening area.
19 . The display panel of claim 15 , wherein the first inorganic barrier layer directly contacts the lower inorganic barrier layer.
20 . The display panel of claim 17 , further comprising:
a third inorganic encapsulation layer disposed on the third light-emitting diode;
a third dummy layer disposed between the third inorganic encapsulation layer and the metal bank layer; and
a third clad layer overlapping an end of the third dummy layer, wherein
the barrier rib further includes a fifth inorganic barrier layer and a sixth inorganic barrier layer sequentially stacked on each other on the fourth inorganic barrier layer,
the fifth inorganic barrier layer and the third inorganic encapsulation layer include a same material, and
the sixth inorganic barrier layer and the third clad layer include a same material.
21 . The display panel of claim 18 , wherein
the metal bank layer includes a first sub-metal layer and a second sub-metal layer disposed on the first sub-metal layer, and
the second sub-metal layer has tips each extending from an upper surface of the first sub-metal layer toward a center of each of the pixel openings.
22 . The display panel of claim 21 , wherein
the first layer of the separator and the first sub-metal layer include a same material, and
the second layer of the separator and the second sub-metal layer include a same material.
23 . The display panel of claim 21 , wherein
a thickness of the first layer of the separator is equal to a thickness of the first sub-metal layer, and
a thickness of the second layer of the separator is equal to a thickness of the second sub-metal layer.