Display device
A display device includes a display panel including a plurality of pixels, a folding area, a first non-folding area disposed on one side of the folding area, and a second non-folding area disposed on the other side of the folding area, a first adhesive layer disposed on one surface of the display panel, and a code pattern layer. The code pattern layer includes a light absorption layer disposed on one surface of the first adhesive layer, a base layer disposed on the light absorption layer, and a plurality of code patterns disposed on the base layer. A thickness of the base layer is smaller than a thickness of the first adhesive layer.
1 . A display device comprising:
a display panel including a plurality of pixels, a folding area, a first non-folding area disposed on one side of the folding area, and a second non-folding area disposed on the other side of the folding area;
a first adhesive layer disposed on one surface of the display panel; and
a code pattern layer including:
a light absorption layer disposed on one surface of the first adhesive layer;
a base layer disposed on the light absorption layer; and
a plurality of code patterns disposed on the base layer,
wherein a thickness of the base layer is smaller than a thickness of the first adhesive layer.
2 . The display device of claim 1 ,
wherein the code pattern layer further comprises a UV blocking layer covering the plurality of code patterns.
3 . The display device of claim 2 ,
wherein a thickness of the code pattern layer is 100 um or less.
4 . The display device of claim 1 , further comprising
a polarizing layer disposed between the first adhesive layer and the light absorption layer.
5 . The display device of claim 1 , further comprising
a polarizing layer disposed on the code pattern layer; and
a UV light blocking layer disposed on the polarizing layer.
6 . The display device of claim 5 ,
wherein the thickness of the first adhesive layer is smaller than the thickness of the UV light blocking layer.
7 . The display device of claim 5 ,
wherein the thickness of the UV light blocking layer is 100 um or less.
8 . The display device of claim 1 ,
wherein the code pattern layer further comprises a second adhesive layer disposed between the light absorption layer and the base layer, and
wherein a thickness of the second adhesive layer is selected from a range of 2 um to 3 um.
9 . The display device of claim 1 ,
wherein each of the plurality of code patterns comprises:
a first alignment layer,
a second alignment layer disposed on the first alignment layer, and
a liquid crystal layer disposed between the first alignment layer and the second alignment layer and including a cholesteric crystal liquid.
10 . The display device of claim 9 ,
wherein liquid crystal molecules of the cholesteric crystal liquid are arranged spirally along a thickness direction of the liquid crystal layer.
11 . The display device of claim 10 ,
wherein each code pattern of the plurality of code patterns reflects infrared light, and
wherein the light absorption layer absorbs infrared light.
12 . The display device of claim 1 ,
wherein the light absorption layer contacts the base layer.
13 . The display device of claim 1 ,
wherein the plurality of code patterns are disposed in the folding area, the first non-folding area, and the second non-folding area.
14 . The display device of claim 13 ,
wherein each code pattern of the plurality of code patterns does not overlap the plurality of pixels.
15 . A display device comprising:
a display panel including a plurality of pixels, a folding area, a first non-folding area disposed on one side of the folding area, and a second non-folding area disposed on the other side of the folding area;
a first adhesive layer disposed on one surface of the display panel;
a polarizing layer disposed on the first adhesive layer; and
a code pattern layer including:
a light absorption layer disposed on the polarizing layer;
a base layer disposed on the light absorption layer; and
a plurality of code patterns disposed on the base layer,
wherein a thickness of the code pattern layer is smaller than a sum of a thickness of the polarizing layer and a thickness of the first adhesive layer.
16 . The display device of claim 15 ,
wherein a thickness of the base layer is smaller than the thickness of the first adhesive layer.
17 . The display device of claim 15 ,
wherein the thickness of the code pattern layer is 100 um or less.
18 . The display device of claim 17 ,
wherein the code pattern layer further comprises a UV blocking layer covering the plurality of code patterns.
19 . The display device of claim 18 ,
wherein the light absorption layer contacts the base layer.
20 . The display device of claim 18 ,
wherein the plurality of code patterns are disposed in the folding area, the first non-folding area, and the second non-folding area.