Tiled display and method of assembling the same

Patent metadata

Field	Value
Publication number	US-11006534-B2
Application number	US-201916705202-A
Country	US
Kind code	B2
Filing date	Dec 5, 2019
Priority date	Dec 13, 2018
Publication date	May 11, 2021
Grant date	May 11, 2021

Abstract

There is provided a tiled display including: a plurality of display devices; a plurality of first magnets in contact with a surface of each of the display devices; a wall portion configured to be attached to and detached from the display devices; and a plurality of second magnets disposed on a surface of the wall portion and in line with the first magnets. The second magnets are movable in a direction perpendicular to or intersecting the surface of the wall portion. Accordingly, it is possible to attach/release the plurality of display devices to/from the wall portion by forming an attractive force or a repulsive force between the first magnets and the second magnets.

First claim

What is claimed is:

1. A tiled display comprising:
a plurality of display devices;
a plurality of first magnets on the plurality of display device;
a wall portion to which the plurality of display devices are attached; and
a plurality of second magnets on the wall portion each aligned with a corresponding one of the plurality of first magnets, wherein the plurality of second magnets are movable in a direction intersecting a surface of the wall portion,
wherein when N-poles and S-poles of the plurality of first magnets overlap with S-poles and N-poles of the plurality of second magnets, respectively, the plurality of second magnets are inserted into the wall portion, and
wherein when N-poles and S-poles of the plurality of first magnets overlap with N-poles and S-poles of the plurality of second magnets, respectively, the plurality of second magnets are spaced apart from the wall portion.

2. The device of claim 1 , further comprising:
a plurality of first covers disposed to cover the plurality of first magnets,
wherein the plurality of first magnets are between the plurality of first covers and the plurality of display devices and configured to be rotatable therebetween.

3. The device of claim 2 , further comprising: a plurality of first pads disposed between the plurality of first covers and the plurality of first magnets and between the plurality of first magnets and the plurality of display devices.

4. The device of claim 2 , further comprising:
a plurality of second covers connected to the wall portion and accommodating therein the plurality of second magnets,
wherein the plurality of second magnets are moveable in the direction intersecting the surface of the wall portion along an inner peripheral surface of the plurality of second covers.

5. The device of claim 4 , wherein each of the plurality of second covers comprises:
a first fixing portion in contact with the wall portion;
a guide portion extended in the direction intersecting the surface of the wall portion from the first fixing portion;
a second fixing portion connected to the guide portion and disposed in a direction of the first fixing portion; and
an anti-rotation cover fixed to the each of the plurality of second magnets and configured to be movable between the first fixing portion and the second fixing portion while being in contact with a surface of the guide portion.

6. The device of claim 5 , wherein the first fixing portion is disposed in contact with the surface of the wall portion, and the second fixing portion is disposed on sides of the surface of the wall portion, and
wherein the anti-rotation cover has a polygonal shape to surround the plurality of second magnets, and at least a part of side surfaces of the anti-rotation cover is in contact with the guide portion.

7. The device of claim 5 , wherein each of the plurality of second covers further comprises:
a protruding portion extended from the first fixing portion to be in contact with the wall portion;
a fastener penetrating the protruding portion and the wall portion; and
a second pad overlapping with the first fixing portion to be in contact with the first cover,
wherein an end of the fastener protrudes toward the plurality of first covers.

8. The device of claim 7 , wherein each of the plurality of first covers further comprises a guide groove receiving the end of the fastener of a corresponding one of the plurality of second covers.

9. The device of claim 5 , wherein the plurality of first magnets are configured to be rotated so that N-poles of the plurality of first magnets overlap with N-poles of the plurality of second magnets when the plurality of display devices are released from the wall portion, and the plurality of second magnets are configured to be moved toward the second fixing portion.

10. The device of claim 5 , wherein the plurality of first magnets are configured to be rotated so that the N-poles of the plurality of first magnets overlap with the S-poles of the plurality of second magnets when the plurality of display devices are attached to the wall portion, and the plurality of second magnets are configured to be moved toward the first fixing portion.

11. A tiling tool comprising:
a magnet;
a cover accommodating the magnet therein;
a rotation lever configured to rotate the magnet; and
a release lever configured to move the magnet,
wherein the rotation lever is configured to rotate along a circumferential direction of the cover to rotate the magnet.

12. The tool of claim 11 , wherein the release lever is inserted into the cover and connected to the magnet, and
wherein the release lever moves along an inner circumferential surface of the cover to move the magnet.

13. The tool of claim 11 , wherein the release lever is configured to rotate the cover to move the magnet.

14. A method of assembling a tiled display, the method comprising:
attaching a tiling tool accommodating a third magnet to a front face of a display device having a first magnet disposed on a rear face of the display device;
attaching the tiling tool and the display device to a wall portion having a second magnet disposed therein such that a N-pole of the first magnet overlaps with a S-pole of the third magnet; and
releasing the tiling tool from the front face of the display device,
wherein attaching the tiling tool and the display device to the wall portion comprises:
moving the tiling tool and the display device toward the wall portion while the third magnet is rotated so that a N-pole and a S-pole of the second magnet overlap with the N-pole and a S-pole of the first magnet, respectively;
aligning a location of the display device by moving the display device on the wall portion while the display device is in contact with the wall portion; and
rotating the third magnet such that the N-pole and the S-pole of the first magnet overlap with the S-pole and the N-pole of the second magnet, respectively,

wherein when the N-pole and the S-pole of the first magnet overlap with the N-pole and the S-pole of the second magnet, respectively, the second magnet is spaced apart from the wall portion, and
wherein when the N-pole and the S-pole of the first magnet overlap with the S-pole and the N-pole of the second magnet, respectively, the second magnet is inserted into the wall portion.

15. The method of claim 14 , wherein
the third magnet is rotated so that the N-pole of the second magnet, the S-pole of the first magnet, and the N-pole of the third magnet overlap with one another, to fix the display device to the wall portion.

16. The method of claim 15 , wherein the releasing the tiling tool comprises moving a release lever inserted into a cover to be connected to the third magnet so that the third magnet is moved away from the first magnet along an inner circumferential surface of the cover.

17. The method of claim 15 , wherein the releasing the tiling tool comprises:
rotating a cover so that an edge of the cover in contact with the front face of the display device is moved away from the display device, and
wherein the cover rotates with respect to a hinge on an outer side surface of the cover.

18. The method of claim 14 , further comprising:
releasing the display device from the wall portion by:
attaching the tiling tool to the front face of the display device, and
releasing the tiling tool and the display device from the wall portion.

19. The method of claim 18 , wherein the attaching the tiling tool comprises attaching the tiling tool to the front face of the display devi

Assignees

• Lg Display Co Ltd

Inventors

• Kim Hanseok
• Kim Youngho
• Lee Seungchul

Classifications

• H05K5/30

  Side-by-side or stacked arrangements · CPC title

• G09F9/3026 Primary

  Video wall, i.e. stackable semiconductor matrix display modules (video wall control systems G06F3/1446, G09G2300/026) · CPC title

• G09G2300/026

  Video wall, i.e. juxtaposition of a plurality of screens to create a display screen of bigger dimensions · CPC title

• G06F3/1446

  display composed of modules, e.g. video walls · CPC title

• G02F1/13336

  Combining plural substrates to produce large-area displays, e.g. tiled displays · CPC title