Display device, tiling display device and method of manufacturing the same

1. A display device, comprising:

a display panel;

a metal plate disposed on a rear side of the display panel;

a plurality of magnets disposed on a rear side of the metal plate; and

a plurality of ferromagnetic materials disposed on both sides of each of the plurality of magnets,

wherein the metal plate is disposed between the display panel and the plurality of magnets,

wherein each of the plurality of ferromagnetic materials includes a first portion disposed to be in contact with N poles of the plurality of magnets and a second portion disposed to be in contact with S poles of the plurality of magnets, and

wherein the first portion, the N poles of the plurality of magnets, the S poles of the plurality of magnets and the second portion are sequentially disposed in parallel to the display panel.

2. The display device according to claim 1 , wherein the plurality of magnets includes a first magnet and a second magnet disposed in parallel to the first magnet in a first direction.

3. The display device according to claim 2 , wherein the plurality of magnets further includes a third magnet which is disposed in parallel to the first magnet in a second direction, and one of the first direction and the second direction is parallel to a long side of the display panel and the other one of the first direction and the second direction is parallel to a short side of the display panel.

4. The display device according to claim 2 , wherein an N pole of the first magnet is disposed to be parallel to an N pole of the second magnet and an S pole of the first magnet is disposed to be parallel to an S pole of the second magnet.

5. The display device according to claim 2 , wherein an N pole of the first magnet is disposed to be parallel to an S pole of the second magnet and an S pole of the first magnet is disposed to be parallel to an N pole of the second magnet.

6. The display device according to claim 1 , wherein the plurality of magnets includes a first magnet and a second magnet disposed in parallel to the first magnet in a third direction and the third direction is not in parallel to the short side of the display panel or in parallel to the long side of the display panel.

7. The display device according to claim 1 , wherein the plurality of ferromagnetic materials is disposed on the rear side of the metal plate and the plurality of magnets is disposed between one end of the plurality of ferromagnetic materials which is in contact with the rear side of the metal plate and the other end of the plurality of ferromagnetic materials.

8. The display device according to claim 7 , further comprising a plurality of pads disposed at the other end of the plurality of ferromagnetic materials.

9. The display device according to claim 8 , wherein a deviation between a static frictional coefficient and a kinetic frictional coefficient of the plurality of pads is smaller than a deviation between a static frictional coefficient and a kinetic frictional coefficient of the plurality of ferromagnetic materials.

10. The display device according to claim 1 , further comprising one or more frames disposed to be adjacent to an edge of the metal plate, on a rear side of the metal plate.

11. The display device according to claim 10 , wherein the frame is disposed between the plurality of magnets and the metal plate.

12. The display device according to claim 1 , further comprising a flexible film or a printed circuit board which is electrically connected to a non-active area of the display panel,

wherein the plurality of magnets and the plurality of ferromagnetic materials are disposed so as not to overlap the flexible film and the printed circuit board.

13. A tiling display device, comprising:

a wall portion;

a plurality of display panels attached on the wall portion and electrically connected with one another;

a metal plate disposed on a rear side of the plurality of display panels;

a plurality of magnets disposed on a rear side of the metal plate; and

a plurality of ferromagnetic materials disposed on both sides of each of the plurality of magnets,

wherein the metal plate is disposed between the display panel and the plurality of magnets,

wherein each of the plurality of ferromagnetic materials includes a first portion disposed to be in contact with N poles of the plurality of magnets and a second portion disposed to be in contact with S poles of the plurality of magnets, and

wherein the first portion, the N poles of the plurality of magnets, the S poles of the plurality of magnets and the second portion are sequentially disposed in parallel to the display panel.

14. The tiling display device according to claim 13 , wherein the plurality of magnets includes a first magnet and a second magnet disposed in parallel to the first magnet in a first direction.

15. The tiling display device according to claim 14 , wherein the plurality of magnets further includes a third magnet which is disposed in parallel to the first magnet in a second direction, and one of the first direction and the second direction is parallel to a long side of the display panel and the other one of the first direction and the second direction is parallel to a short side of the display panel.

16. The tiling display device according to claim 14 , wherein an N pole of the first magnet is disposed to be parallel to an N pole of the second magnet and an S pole of the first magnet is disposed to be parallel to an S pole of the second magnet.

17. The tiling display device according to claim 14 , wherein an N pole of the first magnet is disposed to be parallel to an S pole of the second magnet and an S pole of the first magnet is disposed to be parallel to an N pole of the second magnet.

18. The tiling display device according to claim 13 , wherein the plurality of magnets includes a first magnet and a second magnet disposed in parallel to the first magnet in a third direction and the third direction is not in parallel to the short side of the display panel or in parallel to the long side of the display panel.