Electronic apparatus
An electronic apparatus includes a display module divided into a first non-folding area, a folding area foldable along an imaginary folding axis extending in a second direction crossing a first direction, and a second non-folding area, which are sequentially arranged in the first direction, and a sensing sensor including a first base layer disposed under the display module, first sensing coils disposed on the first base layer, second sensing coils insulated from the first sensing coils, and a first cover layer disposed between the first sensing coils and the second sensing coils. The first cover layer has a modulus less than a modulus of the first base layer.
1. An electronic apparatus comprising:
a display module divided into a first non-folding area, a folding area foldable along an imaginary folding axis extending in a second direction crossing a first direction, and a second non-folding area, which are sequentially arranged in the first direction; and
a sensing sensor comprising a first base layer disposed under the display module, first sensing coils disposed on the first base layer, second sensing coils insulated from the first sensing coils, and a first cover layer disposed between the first sensing coils and the second sensing coils,
wherein a modulus of the first cover layer is less than a modulus of the first base layer.
2. The electronic apparatus of claim 1 , wherein
the sensing sensor further comprises a second cover layer disposed on the first cover layer to cover the second sensing coils, and
a modulus of the second cover layer is less than the modulus of the first base layer.
3. The electronic apparatus of claim 2 , wherein the second sensing coils do not overlap the folding area.
4. The electronic apparatus of claim 3 , wherein
an opening is defined through the second cover layer to overlap the folding area such that a side surface of the second cover layer is exposed through the opening, and
a portion of the first cover layer overlapping the folding area of the first cover layer is exposed through the opening.
5. The electronic apparatus of claim 3 , further comprising:
an adhesive layer disposed between the first base layer and the first cover layer to cover the first sensing coils,
wherein the adhesive layer bonds the first base layer to the first cover layer.
6. The electronic apparatus of claim 5 , wherein
an opening is defined through the second cover layer to overlap the folding area such that a side surface of the second cover layer is exposed through the opening, and
a portion of the first cover layer overlapping the folding area of the first cover layer is exposed through the opening.
7. The electronic apparatus of claim 1 , wherein the sensing sensor comprises:
an adhesive layer disposed on the first cover layer to cover the second sensing coils and a second base layer disposed on the adhesive layer,
wherein an opening is defined through the adhesive layer and the second base layer to overlap the folding area such that side surfaces of the adhesive layer and the second base layer are exposed through the opening, and
a portion of the first cover layer overlapping the folding area of the first cover layer is exposed through the opening.
8. The electronic apparatus of claim 7 , further comprising:
an additional adhesive layer disposed between the first base layer and the first cover layer to cover the first sensing coils,
wherein the additional adhesive layer bonds the first base layer to the first cover layer.
9. The electronic apparatus of claim 1 , wherein
the first sensing coils comprise first long sides extending in the first direction and spaced apart from each other along the second direction and a first short side extending along the second direction and disposed between the first long sides, and
the second sensing coils comprise second long sides extending in the second direction and spaced apart from each other along the first direction and a second short side extending along the first direction and disposed between the second long sides.
10. The electronic apparatus of claim 1 , wherein
the first sensing coils comprise first long sides extending in the second direction and spaced apart from each other along the first direction and a first short side extending along the first direction and disposed between the first long sides, and
the second sensing coils comprise second long sides extending in the first direction and spaced apart from each other along the second direction and a second short side extending along the second direction and disposed between the second long side.
11. The electronic apparatus of claim 10 , wherein the first sensing coils do not overlap the folding area.
12. The electronic apparatus of claim 11 , wherein each of the first sensing coils comprises:
extension parts overlapping the first non-folding area and the second non-folding area and extending in the first direction; and
a pattern part overlapping the folding area, disposed between the extension parts, and including a concave shape and a convex shape, which are alternately disposed with each other.
13. The electronic apparatus of claim 12 , wherein the second sensing coils do not overlap the folding area.
14. The electronic apparatus of claim 2 , wherein
the first base layer comprises polyimide, and
the second cover layer comprises synthetic rubber,
wherein the synthetic rubber comprises at least one selected from butadiene rubber, styrene-butadiene rubber, and butyl rubber.
15. The electronic apparatus of claim 14 , wherein the first cover layer has a modulus in a range of about 10 Mpa to about 100 Mpa.
16. A sensing sensor comprising:
a first base layer divided into a first non-folding area, a folding area foldable along an imaginary folding axis extending along a second direction crossing a first direction, and a second non-folding area, which are sequentially arranged in the first direction, wherein the first base layer comprises polyimide;
first sensing coils disposed on the first base layer;
a first cover layer disposed on the first base layer to cover the first sensing coils; and
second sensing coils disposed on the first cover layer,
wherein the first cover layer comprises synthetic rubber.
17. The sensing sensor of claim 16 , wherein the synthetic rubber comprises at least one selected from butadiene rubber, styrene-butadiene rubber, and butyl rubber.
18. The sensing sensor of claim 17 , further comprising:
a second cover layer disposed on the first cover layer to cover the second sensing coils, wherein the second cover layer comprises a same material as the first cover layer.
19. The sensing sensor of claim 18 , wherein the second sensing coils do not overlap the folding area.
20. The sensing sensor of claim 19 , wherein
an opening is defined through the second cover layer to overlap the folding area such that a side surface of the second cover layer is exposed through the opening, and
a portion of the first cover layer overlapping the folding area of the first cover layer is exposed through the opening.