Display device
A display device, including: a display panel configured to display an image through a frontal surface thereof; and a window substrate disposed on the frontal surface of the display panel. The window substrate includes at least two sheets of base substrates. The display device may also include an ultraviolet blocking layer. The ultraviolet blocking layer may be disposed between the at least two base substrates.
1. A display device, comprising:
a display panel configured to display an image through an upper surface thereof;
a window substrate disposed on the upper surface of the display panel and including at least two sheets of base substrates;
an ultraviolet blocking layer disposed between the at least two sheets of base substrates; and
an optically transparent adhesive layer disposed between the display panel and the window substrate,
wherein the ultraviolet blocking layer is interposed between two sheets among the at least two sheets of base substrates, and
wherein the two sheets are attached by the ultraviolet blocking layer.
2. The display device of claim 1 , wherein the ultraviolet blocking layer has transmissivity of about 10% or less in a wavelength band of less than about 350 nm.
3. The display device of claim 1 , wherein the ultraviolet blocking layer has transmissivity of about 1% or less in a wavelength band of less than about 400 nm.
4. The display device of claim 1 , wherein the at least two sheets of base substrates include a first glass substrate having a first thickness and a second glass substrate having a second thickness, and each of the first thickness and the second thickness is about 20 μm to about 100 μm.
5. The display device of claim 4 , wherein when the window substrate is bent so that the first glass substrate is disposed at an external side of the display device and the second glass substrate is disposed at an internal side of the display device, and wherein the first thickness is smaller than the second thickness.
6. The display device of claim 4 , wherein a thickness of the ultraviolet blocking layer is about 10 μm to about 100 μm.
7. The display device of claim 1 , wherein the ultraviolet blocking layer includes an optically transparent adhesive.
8. The display device of claim 1 , wherein the number of base substrates is at least three.
9. The display device of claim 1 , wherein the display panel includes:
an array substrate;
an organic light-emitting diode disposed on the array substrate; and
an anti-reflection layer disposed on the organic light-emitting diode.
10. The display device of claim 9 , wherein the anti-reflection layer includes a color filter and a black matrix.
11. The display device of claim 9 , wherein the organic light-emitting diode includes:
a first electrode disposed on the array substrate;
an organic emitting layer disposed on the first electrode; and
a second electrode disposed on the organic emitting layer.
12. The display device of claim 11 , wherein the second electrode includes a semi-transmissive reflective layer in an area corresponding to the organic emitting layer, and includes a reflective layer in other areas.
13. The display device of claim 12 , wherein the second electrode has different thicknesses in the area corresponding to the organic emitting layer and the other areas.
14. The display device of claim 1 , wherein at least one of the at least two sheets of base substrates is chemically tempered.
15. The display device of claim 1 , wherein the window substrate has an impact resistance characteristic such that the window substrate is not damaged when a pen of about 5.8 g is vertically fallen onto one surface of the window substrate at a first height, and the first height is about 7 cm or more.
16. The display device of claim 1 , wherein at least a part of the window substrate and the display panel is flexible.
17. The display device of claim 1 , further comprising:
a buffer layer disposed on a rear surface of the display panel, and the buffer layer is configured to absorb impact applied to the window substrate and the display panel.
18. The display device of claim 17 , further comprising:
a support member disposed between the display panel and the buffer layer.
19. The display device of claim 18 , wherein the support member includes a metal.
20. A display device, comprising:
a display panel configured to display an image through an upper surface thereof;
a window substrate disposed on the upper surface of the display panel and including at least two sheets of base substrates; and
an ultraviolet blocking layer disposed between the at least two sheets of base substrates,
wherein the ultraviolet blocking layer attaches adjacent two sheets of the at least two sheets of base substrates to each other, is elastic, and comprises a material blocking ultraviolet rays and a material bonding the adjacent two sheets of base substrates.