Display panel and display apparatus including transmission area within component area
In a display panel including a main display area, a component area including a transmission area, and a peripheral area outside the main display area, the display panel includes: a substrate; an inorganic insulating layer over the substrate and including a first hole corresponding to the transmission area; a planarization layer over the inorganic insulating layer; a pixel definition layer over the planarization layer and having a thickness of 1.3 μm to 2 μm; and a thin film encapsulation layer over the pixel definition layer, wherein an angle between a side surface of the pixel definition layer and an upper surface of the planarization layer is 30 degrees to 40 degrees.
1 . A display panel including a main display area, a component area including a transmission area, and a peripheral area outside the main display area, the display panel comprising:
a substrate;
an inorganic insulating layer over the substrate and including a first hole corresponding to the transmission area;
a planarization layer over the inorganic insulating layer and including a second hole corresponding to the transmission area;
a pixel definition layer over the planarization layer, having a thickness of 1.3 μm to 2 μm and including a third hole corresponding to the transmission area; and
a thin film encapsulation layer over the pixel definition layer and including a first inorganic encapsulation layer, an organic encapsulation layer, and a second inorganic encapsulation layer,
wherein the organic encapsulation layer is in the first hole, the second hole, and the third hole.
2 . The display panel of claim 1 , wherein the pixel definition layer has a thickness of 1.3 μm to 2 μm from an upper surface of the planarization layer.
3 . The display panel of claim 1 , wherein the organic encapsulation layer over the transmission area has a flat upper surface.
4 . The display panel of claim 1 , wherein the organic encapsulation layer over the transmission area includes a concave portion.
5 . The display panel of claim 4 , wherein a distance from a bottom surface of an upper surface of the organic encapsulation layer to a top surface of the upper surface of the organic encapsulation layer is more than 0 μm and less than or equal to 2 μm.
6 . The display panel of claim 1 , wherein the organic encapsulation layer over the transmission area includes a convex portion.
7 . The display panel of claim 6 , wherein a distance from a bottom surface of an upper surface of the organic encapsulation layer to a top surface of the upper surface of the organic encapsulation layer is more than 0 μm and less than or equal to 2 μm.
8 . The display panel of claim 1 , further comprising:
a main display element over the planarization layer corresponding to the main display area; and
an auxiliary display element over the planarization layer corresponding to the component area.
9 . The display panel of claim 8 , wherein the main display element includes a first pixel electrode, the auxiliary display element includes a second pixel electrode, and the pixel definition layer exposes at least a portion of the first pixel electrode and the second pixel electrode.
10 . The display panel of claim 1 , further comprising a touch screen layer over the thin film encapsulation layer,
wherein a first touch insulating layer, a second touch insulating layer, and a third touch insulating layer are sequentially stacked in the touch screen layer, and
the touch screen layer includes a first touch electrode between the first touch insulating layer and the second touch insulating layer and a second touch electrode between the second touch insulating layer and the third touch insulating layer.
11 . The display panel of claim 10 , wherein the first touch electrode and the second touch electrode at least partially overlap the pixel definition layer.
12 . The display panel of claim 1 , further comprising a bottom metal layer arranged between the substrate and the inorganic insulating layer in the component area and including a bottom hole corresponding to the transmission area.
13 . A display apparatus comprising:
a display panel including a main display area, a component area including a transmission area, and a peripheral area outside the main display area; and
a component under the display panel to correspond to the component area,
the display panel comprising:
a substrate having a plurality of main subpixels at a first side of the substrate at the main display area with the component at a second side of the substrate opposite the first side;
an inorganic insulating layer over the substrate and including a first hole corresponding to the transmission area and overlapping the component; in a plan view;
a planarization layer over the inorganic insulating layer;
a pixel definition layer over the planarization layer and having a thickness of 1.3 μm to 2 μm; and
a thin film encapsulation layer over the pixel definition layer.
14 . The display apparatus of claim 13 , wherein the component includes an imaging device or a sensor.
15 . The display apparatus of claim 13 , wherein the pixel definition layer has a thickness of 1.3 μm to 2 μm from an upper surface of the planarization layer.
16 . The display apparatus of claim 13 , wherein a first inorganic encapsulation layer, an organic encapsulation layer, and a second inorganic encapsulation layer are sequentially stacked in the thin film encapsulation layer, and the organic encapsulation layer is in the first hole.
17 . The display apparatus of claim 16 , wherein the organic encapsulation layer over the transmission area has a flat upper surface.
18 . The display apparatus of claim 16 , wherein the organic encapsulation layer over the transmission area includes a concave portion or a convex portion.
19 . The display apparatus of claim 18 , wherein a distance from a bottom surface of an upper surface of the organic encapsulation layer to a top surface of the upper surface of the organic encapsulation layer is more than 0 μm and less than or equal to 2 μm.