Display device and method for manufacturing the same
A display device includes: a display panel including a first non-folding region, a second non-folding region, and a folding region disposed between the first non-folding region and the second non-folding region; and a lower member disposed below the display panel. The lower member includes: a digitizer disposed below the display panel and including a base layer and a plurality of coils disposed on one surface of the base layer; and a functional layer disposed below the digitizer, where the functional layer contains MXene.
1 . A display device comprising:
a display panel comprising a first non-folding region, a second non-folding region, and a folding region disposed between the first non-folding region and the second non-folding region; and
a lower member disposed below the display panel,
wherein the lower member comprises:
a digitizer disposed below the display panel and comprising a base layer and a plurality of coils disposed on one surface of the base layer; and
a functional layer disposed below the digitizer,
wherein the functional layer comprises MXene.
2 . The display device of claim 1 , wherein the functional layer comprises neither magnetic metal powder (MMP) nor copper (Cu).
3 . The display device of claim 1 , wherein the functional layer comprises at least one of a transition metal carbide, a transition metal nitride, and a transition metal carbonitride.
4 . The display device of claim 1 , wherein the functional layer comprises a sheet of a two-dimensional inorganic material.
5 . The display device of claim 1 , wherein a thickness of the functional layer is about 0.1 micrometer to about 10 micrometers.
6 . The display device of claim 1 , wherein a sum of the thickness of the functional layer and the thickness of the digitizer is about 60 micrometers to about 90 micrometers.
7 . The display device of claim 1 , further comprising
a barrier layer disposed between the display panel and the lower member.
8 . The display device of claim 1 , further comprising:
an adhesive layer disposed between the functional layer and the digitizer.
9 . The display device of claim 1 , wherein the lower member further comprises a support layer comprising:
a first support portion overlapping the first non-folding region;
a second support portion overlapping the second non-folding region; and
a folding part overlapping the folding region and having a plurality of openings defined therein.
10 . The display device of claim 9 , wherein the digitizer comprises:
a first digitizer corresponding to the first support portion; and
a second digitizer corresponding to the second support portion and spaced apart from the first digitizer.
11 . The display device of claim 10 , wherein the functional layer comprises:
a first functional layer in contact with a lower surface of the first digitizer; and
a second functional layer in contact with a lower surface of the second digitizer,
wherein each of the first functional layer and the second functional layer comprises the MXene.
12 . The display device of claim 9 , further comprising a cover layer disposed between the support layer and the digitizer and attached to and below the folding part.
13 . The display device of claim 1 , wherein the digitizer comprises:
a folding portion overlapping the folding region and having a plurality of holes defined therein;
a first non-folding portion overlapping the first non-folding region; and
a second non-folding portion overlapping the second non-folding region.
14 . The display device of claim 13 , wherein the functional layer is disposed directly on a lower surface of each of the first non-folding portion, the second non-folding portion, and the folding portion.
15 . The display device of claim 13 , wherein at least a portion of the functional layer is disposed in the plurality of holes.
16 . The display device of claim 13 , wherein the lower member further comprises a resin layer disposed in the plurality of holes.
17 . The display device of claim 13 , wherein the lower member is composed of the digitizer and the functional layer.
18 . A method for manufacturing a display device, the method comprising:
providing a preliminary display module comprising a display panel comprising a first non-folding region, a second non-folding region, and a folding region disposed between the first non-folding region and the second non-folding region, and a digitizer disposed below the display panel; and
coating a composition comprising MXene below the digitizer.
19 . The method of claim 18 , wherein the preliminary display module further comprises a support layer disposed between the display panel and the digitizer.
20 . The method of claim 18 , wherein the coating of the composition comprises coating an ink comprising MXene below the digitizer.