Display device
View Patent ↗A display device includes a display module, a first support film disposed under the display module, a second support film disposed under the first support film, a plurality of first support bars disposed on a lower surface of the first support film between the first support film and the second support film, and a plurality of second support bars disposed on an upper surface of the second support film between the first support film and the second support film. The plurality of first support bars and the plurality of second support bars are alternately arranged.
1. A display device comprising:
a display module;
a first support film disposed under the display module;
a second support film disposed under the first support film;
a plurality of first support bars disposed on a lower surface of the first support film between the first support film and the second support film;
a plurality of second support bars disposed on an upper surface of the second support film between the first support film and the second support film; and
a roller connected to one end of the display module,
wherein the plurality of first support bars and the plurality of second support bars are alternately arranged, and
the display module comprises a first area wound around the roller and separated from the first support film.
2. The display device of claim 1 , wherein the plurality of first support bars and the plurality of second support bars are arranged in a first direction and extend in a second direction intersecting the first direction.
3. The display device of claim 2 ,
wherein the display module further comprises:
a second area extending in the first direction without being wound around the roller;
wherein first support bars and second support bars of the plurality of first and second support bars disposed under the second area are alternately disposed in a same space defined between the first support film and the second support film.
4. The display device of claim 3 , wherein the first support film comprises:
a first part disposed below the second area; and
a first rolling part extending from the first part and bent and rolled in a curved shape,
wherein the second support film comprises:
a second part disposed under the second area; and
a second rolling part spaced apart from the first rolling part, extending from the second part, and bent and rolled in a curved shape.
5. The display device of claim 4 , wherein, the plurality of first support bars and the plurality of second support bars are closer to each other as closer to the first and second parts from the first and second rolling parts,
wherein the plurality of first support bars and the plurality of second support bars are adjacent to each other between the first part and the second part and are alternately disposed in the first direction.
6. The display device of claim 4 , wherein first support bars of the plurality of first support bars disposed on the first rolling part are arranged in a rolled shape along the first rolling part, and second support bars of the plurality of second support bars disposed on the second rolling part are arranged in a rolled shape along the second rolling part.
7. The display device of claim 2 , further comprising a case accommodating the display module, the first and second support films, and the plurality of first and second support bars,
wherein an opening is defined in the case, and
the display module, the first and second support films, and the plurality of first support bars and the plurality of second support bars are drawn in and out.
8. The display device of claim 7 , wherein opposite sides of the plurality of first support bars are disposed in a first guide groove defined in an inner surface of the case facing each other in the second direction and in a second guide groove defined in the inner surface of the case and extending from the first guide groove,
wherein opposite sides of the plurality of second support bars are disposed in the first guide groove and in a third guide groove defined in the inner surface of the case, extending from the first guide groove and spaced apart from the second guide groove.
9. The display device of claim 8 , wherein the first guide groove extends in the first direction toward the opening,
wherein the second guide groove and the third guide groove extend from one end of the first guide groove opposite to the opening,
wherein the second guide groove is disposed between the third guide groove and the display module to extend.
10. The display device of claim 9 , further comprising:
a plurality of first protrusion parts protruding from the opposite sides of the plurality of first support bars and disposed in the first guide groove and the second guide groove; and
a plurality of second protrusion parts protruding from the opposite sides of the plurality of second support bars and disposed in the first guide groove and the third guide groove,
wherein the plurality of first protrusion parts and the plurality of second protrusion parts move along the first, second, and third guide grooves.
11. The display device of claim 10 , wherein the plurality of first protrusion parts and the plurality of second protrusion parts are alternately arranged in the first direction in the first guide groove.
12. The display device of claim 9 , wherein the second guide groove comprises:
a first curved groove extending from the one end of the first guide groove, as having a curved shape;
a first sub guide groove extending from one end of the first curved groove in a third direction intersecting a plane defined by the first and second directions; and
a second sub guide groove extending from one end of the first sub guide groove and having a rolled-up shape.
13. The display device of claim 12 , wherein the third guide groove comprises:
a second curved groove extending from the one end of the first guide groove as having a curved shape;
a third sub guide groove extending in the third direction from one end of the second curved groove; and
a fourth sub guide groove extending from one end of the third sub guide groove and having a rolled-up shape,
wherein the fourth sub guide groove is disposed between the first guide groove and the second sub guide groove.
14. The display device of claim 7 , further comprising:
a coupling part disposed on the case adjacent to the opening and connected to an end of the display module adjacent to the opening and an end of the first and second support films adjacent to the opening; and
a moving part connected to the case and the coupling part,
wherein the moving part moves away from or closer to the opening in the first direction.
15. The display device of claim 2 , wherein a plurality of grooves extending in the second direction and arranged in the first direction is defined on a lower surface of the display module.
16. The display device of claim 2 , further comprising a plurality of magnet units disposed between the plurality of first support bars and between the plurality of second support bars and the first support film.
17. The display device of claim 16 , wherein the plurality of magnet units is disposed between the (a×k)-th first support bar and the ((a×k)+1)-th first support bar, where a is a natural number and constant greater than 2, and k is a natural number.
18. The display device of claim 16 , wherein the plurality of magnet units is spaced apart from each other in the second direction and arranged in the first direction.
19. The display device of claim 2 , wherein the plurality of first support bars is coupled and rotated with each other about a plurality of first rotational axes parallel to the second direction,
wherein the plurality of second support bars is disposed under the plurality of first support bars and is coupled and rotated with each other about a plurality of second rotational axes parallel to the second direction.
20. The display device of claim 19 , further comprising a protrusion part protruding from an upper surface of an h-th second support bar of the plurality of second support bars, where h is a natural number,
wherein the protrusion part is disposed between an h-th first support bar and an (h+1)-th first support bar of the plurality of first support bars.
21. The display device of claim 20 , wherein one side of the h-th first support bar adjacent to a lower surface of the h-th first support bar and one side of the (h+1)-th first support bar adjacent to a lower surface of the (h+1)-th first support bar are spaced apart from each other, face each other and have a slope,
wherein the protrusion part is disposed in an insertion groove defined between the one side of the h-th first support bar and the one side of the (h+1)-th first support bar,
wherein one side of the h-th second support bar adjacent to a lower surface of the h-th second support bar and one side of an (h+1)-th second support bar of the plurality of second support bars adjacent to a lower surface of the (h+1)-th second support bar are spaced apart from each other, face each other and have a slope.
22. A display device comprising:
a roller;
a display module including a first area wound around the roller and a second area spaced apart from the roller;
a first support film disposed under the display module;
a plurality of first support bars disposed on a lower surface of the first support film;
a second support film disposed under the first support film; and
a plurality of second support bars disposed on an upper surface of the second support film,
wherein the plurality of first support bars and the plurality of second support bars are spaced apart from each other around the first area, become closer to each other as the plurality of first support bars and the plurality of second support bars are adjacent to the second area, are adjacent to each other under the second area, and are alternately disposed in a same space defined between the first support film and the second support film, and
the first area of the display module is separated from the first support film.
23. The display device of claim 22 , further comprising a case for accommodating the roller, the display module, the first and second support films, and the first and second support bars,
wherein opposite sides of first support bars and second support bars of the plurality of first and second support bars disposed under the second area are disposed in a first guide groove defined in an inner surface of the case,
wherein opposite sides of first support bars of the plurality of first support bars disposed around the first area are disposed in a second guide groove defined in the inner surface of the case and extending from the first guide groove,
wherein opposite sides of second support bars of the plurality of second support bars disposed around the first area are disposed in a third guide groove defined in the inner surface of the case and extending from the first guide groove.