Window and display panel including the same
Provided are a window and a display panel including the window. The window includes a window substrate, an anti-reflection layer disposed on the window substrate, an anti-fingerprint layer disposed over the anti-reflection layer, and an intermediate layer disposed between the anti-reflection layer and the anti-fingerprint layer, wherein the anti-reflection layer includes a first sub-layer including a first inorganic insulating material, and a second sub-layer including a second inorganic insulating material different from the first inorganic insulating material, and the first inorganic insulating material includes two or more types of inorganic insulating materials including aluminum oxide.
1 . A window comprising:
a window substrate;
an anti-reflection layer disposed on the window substrate;
an anti-fingerprint layer disposed over the anti-reflection layer; and
an intermediate layer disposed between the anti-reflection layer and the anti-fingerprint layer, wherein
the anti-reflection layer includes:
a first sub-layer including a first inorganic insulating material, and
a second sub-layer including a second inorganic insulating material different from
the first inorganic insulating material, and
the first inorganic insulating material includes two or more types of inorganic insulating materials including aluminum oxide.
2 . The window of claim 1 , wherein the first inorganic insulating material includes yttrium oxide.
3 . The window of claim 1 , wherein the first sub-layer includes at least about 80 weight % of aluminum oxide based on a total weight of the first sub-layer.
4 . The window of claim 1 , wherein the second inorganic insulating material includes two or more types of inorganic insulating materials including zirconium oxide.
5 . The window of claim 4 , wherein the second inorganic insulating material includes tantalum oxide.
6 . The window of claim 4 , wherein the second sub-layer includes at least about 80 weight % of zirconium oxide based on a total weight of the second sub-layer.
7 . The window of claim 1 , wherein the anti-reflection layer has a structure in which the first sub-layer and the second sub-layer are alternately stacked with each other.
8 . The window of claim 1 , wherein a refractive index of the first sub-layer is less than a refractive index of the second sub-layer.
9 . The window of claim 1 , wherein a refractive index of the first sub-layer is in a range of about 1.2 to about 2.0.
10 . The window of claim 1 , wherein a refractive index of the second sub-layer is in a range of about 1.5 to about 2.6.
11 . The window of claim 1 , wherein the window has a reflectance of less than about 2.0%.
12 . The window of claim 1 , wherein the window has a surface hardness of about 10 GPa or more.
13 . A display panel comprising:
a substrate;
a display element arranged in a display area of the substrate, the display element including a first electrode, a second electrode, and an emission layer disposed between the first electrode and the second electrode;
an encapsulation member disposed on the display element; and
a window disposed on the encapsulation member, wherein
the window includes:
a window substrate;
an anti-reflection layer disposed on the window substrate;
an anti-fingerprint layer disposed over the anti-reflection layer; and
an intermediate layer disposed between the anti-reflection layer and the anti-fingerprint layer,
the anti-reflection layer includes:
a first sub-layer including a first inorganic insulating material, and
a second sub-layer including a second inorganic insulating material different from
the first inorganic insulating material, and
the first inorganic insulating material includes two or more types of inorganic insulating materials including aluminum oxide.
14 . The display panel of claim 13 , wherein the first inorganic insulating material includes yttrium oxide.
15 . The display panel of claim 13 , wherein the first sub-layer includes at least about 80 weight % of aluminum oxide based on a total weight of the first sub-layer.
16 . The display panel of claim 13 , wherein the second inorganic insulating material includes two or more types of inorganic insulating materials including zirconium oxide.
17 . The display panel of claim 16 , wherein the second inorganic insulating material includes tantalum oxide.
18 . The display panel of claim 13 , wherein the anti-reflection layer has a structure in which the first sub-layer and the second sub-layer are alternately stacked with each other.
19 . The display panel of claim 13 , wherein a refractive index of the first sub-layer is less than a refractive index of the second sub-layer.
20 . The display panel of claim 13 , wherein a refractive index of the first sub-layer is in a range of about 1.2 to about 2.0.
21 . The display panel of claim 13 , wherein the window has a reflectance of less than about 2.0%.
22 . The display panel of claim 13 , wherein the window has a surface hardness of about 10 GPa or more.