Window, method of manufacturing window, and display device including window
A window includes a base layer and a first coating layer. The first coating layer is disposed on a first surface of the base layer. The first coating layer is a single layer. The first coating layer includes a siloxane-based compound. The siloxane-based compound includes fluorine and silica.
1. A window comprising:
a base layer; and
a first coating layer disposed on a first surface of the base layer,
wherein:
the first coating layer is a single layer;
the first coating layer comprises fumed silica, porous silica, and a siloxane-based compound;
the siloxane-based compound comprises fluorine, the content of the porous silica being in a range of about 8 times to about 70 times the content of the fumed silica;
the base layer and the first coating layer are in direct contact;
the siloxane-based compound does not contain any cured product formed by curing a respective (meth)acrylate containing precursor; and
for all wavelength within a wavelength domain of about 400 nm to about 700 nm, the window exhibits a corresponding reflectance of about 1.3% to about 1.7%.
2. The window of claim 1 , wherein:
the porous silica comprises a hollow; and
a diameter of the hollow is from about 30 nm to about 60 nm.
3. The window of claim 2 , wherein a thickness of a shell surrounding the hollow is from about 10 nm to about 30 nm.
4. The window of claim 1 , wherein the fumed silica is amorphous fumed silica.
5. The window of claim 1 , wherein a diameter of the fumed silica is from about 5 nm to about 10 nm.
6. The window of claim 1 , wherein an end portion of the first coating layer is inclined along one surface of the base layer.
7. The window of claim 1 , wherein the base layer comprises:
a second surface overlapping the first surface;
a vertical surface perpendicular to the first surface and the second surface;
a first inclination surface connecting the first surface and the vertical surface; and
a second inclination surface connecting the second surface and the vertical surface.
8. The window of claim 7 , wherein the first coating layer overlaps the first inclination surface.
9. The window of claim 7 , wherein the first inclination surface is a curved surface.
10. The window of claim 1 , wherein the first coating layer comprises a cured body formed from a first solution, and the porous silica is in the range of about 4 weight percent to about 7 weight percent of the first solution and the siloxane-based compound is in the range of about 4 weight percent to about 7 weight percent of the first solution.
11. The window of claim 10 , wherein the fumed silica is in the range of about 0.1 weight percent to about 0.5 weight percent of the first solution.
12. The window of claim 1 , wherein the first coating layer is a single, cured layer formed from a solution comprising at least one of tridecafluorooctyltriethoxysilane and heptadecafluorodecyl triisopropoxysilane.
13. The window of claim 12 , wherein:
the porous silica comprises a hollow; and
a diameter of the hollow is from about 30 nm to about 60 nm.
14. The window of claim 13 , wherein a thickness of a shell surrounding the hollow is from about 10 nm to about 30 nm.
15. The window of claim 12 , wherein the fumed silica is amorphous fumed silica.
16. The window of claim 12 , wherein a diameter of the fumed silica is from about 5 nm to about 10 nm.
17. The window of claim 12 , wherein an end portion of the first coating layer is inclined along one surface of the base layer.
18. The window of claim 12 , wherein the base layer comprises:
a second surface overlapping the first surface;
a vertical surface perpendicular to the first surface and the second surface;
a first inclination surface connecting the first surface and the vertical surface; and
a second inclination surface connecting the second surface and the vertical surface.
19. The window of claim 18 , wherein the first coating layer overlaps the first inclination surface.
20. The window of claim 18 , wherein the first inclination surface is a curved surface.
21. A display device comprising:
a display panel; and
a window overlapping the display panel,
wherein the window comprises:
a base layer; and
a first coating layer disposed on the base layer, wherein:
the first coating layer is a single layer;
the first coating layer comprises fumed silica, porous silica, and a siloxane-based compound;
the siloxane-based compound comprises fluorine, the content of the porous silica being in a range of about 8 times to about 70 times the content of the fumed silica;
the base layer and the first coating layer are in direct contact;
the siloxane-based compound does not contain any cured product formed by curing a respective (meth)acrylate containing precursor; and
for all wavelength within a wavelength domain of about 400 nm to about 700 nm, the window exhibits a corresponding reflectance of about 1.3% to about 1.7%.
22. The display device of claim 21 , wherein:
the porous silica comprises a hollow;
a diameter of the hollow is from about 30 nm to about 60 nm; and
a thickness of a shell surrounding the hollow is from about 10 nm to about 30 nm.
23. The display device of claim 21 , wherein a diameter of the fumed silica is from about 5 nm to about 10 nm.
24. The display device of claim 21 , wherein an end portion of the first coating layer is inclined along one surface of the base layer.
25. The display device of claim 21 , wherein the base layer comprises:
a second surface overlapping a first surface and facing the display panel;
a vertical surface perpendicular to the first surface and the second surface;
a first inclination surface connecting the first surface and the vertical surface; and
a second inclination surface connecting the second surface and the vertical surface.
26. The display device of claim 25 , wherein the first coating layer overlaps the first inclination surface.
27. The display device of claim 25 , wherein the first inclination surface is a curved surface.
28. A method for manufacturing the window according to claim 1 , comprising preparing the base layer of the window; and
forming, via a wet coating process, the first coating layer on the first surface of the base layer.
29. The method of claim 28 , wherein the wet coating process is a spray process.