Window and display device having the same
A window includes a base layer, a plurality of nitride layers disposed on the base layer, a plurality of oxide layers disposed on the base layer, and a protective layer disposed on the nitride layers and the oxide layers. The nitride layers are alternately stacked with the oxide layers on the base layer, and a sum of thicknesses of the nitride layers and thicknesses of the oxide layers is equal to or greater than about 500 nm and equal to or smaller than about 900 nm.
1 . A window, comprising:
a base layer;
a plurality of nitride layers disposed on the base layer;
a plurality of oxide layers disposed on the base layer;
a protective layer disposed on the nitride layers and the oxide layers and
an intermediate layer disposed under the protective layer,
wherein a sum of thicknesses of the nitride layers and thicknesses of the oxide layers is equal to or greater than about 500 nm and equal to or smaller than about 900 nm,
the nitride layers comprise first, second, third, fourth, and fifth nitride layers,
the oxide layers comprise first, second, third, fourth, and fifth oxide layers,
the first nitride layer, the first oxide layer, the second nitride layer, the second oxide layer, the third nitride layer, the third oxide layer, the fourth nitride layer, the fourth oxide layer, the fifth nitride layer, and the fifth oxide layer are sequentially stacked on the base layer,
the intermediate layer is disposed between the fifth oxide layer and the protective layer, and
the intermediate layer comprises columnar SiO 2 .
2 . The window of claim 1 , wherein each of the nitride layers comprises Si 3 N 4 , and each of the oxide layers comprises SiO 2 .
3 . The window of claim 1 , wherein the nitride layers have a refractive index greater than a refractive index of the oxide layers.
4 . The window of claim 1 , wherein a sum of thicknesses of the first to the fifth nitride layers is smaller than about 500 nm.
5 . The window of claim 1 , wherein a maximum value of thicknesses of the first to fifth nitride layers is smaller than about 300 nm.
6 . The window of claim 1 , wherein each of the first to fifth oxide layers comprises planar SiO 2 .
7 . The window of claim 1 , wherein the intermediate layer has a thickness equal to or greater than about 10 nm and equal to or smaller than about 30 nm.
8 . The window of claim 1 , wherein the protective layer comprises a polymer comprising fluorine.
9 . The window of claim 1 , wherein the base layer comprises a glass or a polymer.
10 . The window of claim 1 , wherein the protective layer has a thickness equal to or greater than about 10 nm and equal to or smaller than about 40 nm.
11 . A window, comprising:
a base layer;
first, second, third, fourth, and fifth nitride layers disposed on the base layer;
first, second, third, fourth, and fifth oxide layers disposed on the base layer;
a protective layer disposed on the first to fifth nitride layers and the first to fifth oxide layers; and
an intermediate layer disposed between the fifth oxide layer and the protective layer,
wherein the first nitride layer, the first oxide layer, the second nitride layer, the second oxide layer, the third nitride layer, the third oxide layer, the fourth nitride layer, the fourth oxide layer, the fifth nitride layer, and the fifth oxide layer are sequentially stacked on the base layer, and
the intermediate layer comprises columnar SiO 2 .
12 . The window of claim 11 , wherein the first to fifth nitride layers comprise Si 3 N 4 , and the first to fifth oxide layers comprise SiO 2 .
13 . A display device, comprising:
a display module; and
a window disposed on the display module, the window comprising:
a base layer disposed on the display module;
a plurality of nitride layers disposed on the base layer;
a plurality of oxide layers disposed on the base layer;
a protective layer disposed on the nitride layers and the oxide layers; and
an intermediate layer disposed between the protective layer and an uppermost one of the oxide layers, wherein the intermediate layer comprises columnar SiO 2 , and
wherein the nitride layers are alternately stacked with the oxide layers on the base layer.
14 . The display device of claim 13 , wherein each of the nitride layers comprises Si 3 N 4 , and each of the oxide layers comprises SiO 2 .
15 . The display device of claim 13 , wherein the nitride layers comprise first, second, third, fourth, and fifth nitride layers,
the oxide layers comprise first, second, third, fourth, and fifth oxide layers, and
the first nitride layer, the first oxide layer, the second nitride layer, the second oxide layer, the third nitride layer, the third oxide layer, the fourth nitride layer, the fourth oxide layer, the fifth nitride layer, and the fifth oxide layer are sequentially stacked on the base layer.