Displays with magnetic couplings

1. A display system comprising:

a display panel having a front side for display and a back side, the display panel having a plane;

a ferromagnetic material affixed to the back side of the display panel;

a plurality of structural members forming a frame sized to contain the display panel, at least one of the plurality of structural members including a plurality of walls forming a hollow core in an interior thereof, the plurality of walls including an interior surface and an exterior surface, wherein the exterior surface of at least one of the plurality of walls is parallel to the plane of the display panel when the display panel is positioned on the frame, and wherein structural members of the plurality of structural members that form a perimeter of the frame and include walls having exterior surfaces that engage the back side of the display panel each include a flange along the perimeter of the frame, the flange configured to provide an alignment guide for placing the display panel on the frame;

an insert shaped to fit within the hollow core of the at least one of the plurality of structural members; and

a magnet affixed to the insert, the magnet having a suitable magnetic strength to magnetically couple the display panel to the insert through the at least one of the plurality of walls of the at least one of the plurality of structural members of the frame when the insert is disposed within the hollow core.

2. The display system of claim 1 wherein the ferromagnetic material is a metal band affixed to the back side of the display panel using an adhesive.

3. The display system of claim 2 wherein the metal band is a steel strapping.

4. The display system of claim 1 wherein the structural member comprises extruded aluminum and the insert comprises a foam material.

5. The display system of claim 1 wherein the display panel has a substantially seamless appearance on the frame when the display panel is magnetically coupled to the insert through the at least one of the plurality of walls.

6. The display system of claim 1 wherein the insert is sized to form a friction fit with the interior surface of the plurality of walls when the insert is disposed within the hollow core.

7. The display system of claim 1 wherein the magnet comprises a rare earth magnet.

8. The display system of claim 7 wherein the magnet comprises at least one of a samarium-cobalt magnet and a neodymium-iron-boron magnet.

9. The display system of claim 1 wherein the plurality of walls of the structural member include a front wall and a side wall, and the display system further comprises a plurality of magnets affixed to the insert, the plurality of magnets arranged on two or more sides of the insert to provide at least the front wall and the side wall with magnetic surfaces.

10. The display system of claim 9 further comprising:

a side display panel having a front side and a back side, the side display panel including a plane that intersects the plane of the display panel, wherein the side wall of the structural member is parallel to the plane of the side display panel when the side display panel is positioned on the side wall; and

a ferromagnetic material affixed to the back side of the side display panel, wherein the back side of the side display panel engages the side wall of the structural member such that the side display panel is magnetically coupled to the insert through the side wall.

11. The display system of claim 10 wherein an edge of the side display panel abuts an edge of the display panel to form a substantially seamless joint.

12. The display system of claim 1 wherein the plurality of walls of the structural member include a front wall and a rear wall, and the display system further comprises a plurality of magnets affixed to the insert, the plurality of magnets arranged on two or more sides of the insert to provide at least the front wall and the rear wall with magnetic surfaces.

13. The display system of claim 1 further comprising at least five magnets for every eight feet of an edge of the display panel.

14. The display system of claim 1 wherein the display panel has a perimeter in the plane equal in size and shape to a perimeter of the frame.

15. A display system comprising:

a display panel having a front side for display, a back side, and a plane, the display panel comprising at least one of a foam, a corrugated plastic, and a cardboard honeycomb;

a ferromagnetic material affixed to the back side of the display panel;

a plurality of structural members comprising extruded aluminum and forming a frame sized to contain the display panel, at least one of the plurality of structural members including a plurality of walls forming a hollow core in an interior thereof, the plurality of walls including an interior surface and an exterior surface, wherein the exterior surface of at least one of the plurality of walls is parallel to the plane of the display panel when the display panel is positioned on the frame;

an insert comprising a foam material, the insert shaped to fit within the hollow core of the at least one of the plurality of structural members; and

a magnet affixed to the insert, the magnet having a suitable magnetic strength to magnetically couple the display panel to the insert through the at least one of the plurality of walls of the at least one of the plurality of structural members of the frame when the insert is disposed within the hollow core.

16. The display system of claim 15 wherein the ferromagnetic material is a metal band affixed to the back side of the display panel using an adhesive.

17. The display system of claim 16 wherein the metal band is a steel strapping.

18. The display system of claim 15 wherein the plurality of walls of the structural member include a front wall and a side wall, and the display system further comprises a plurality of magnets affixed to the insert, the plurality of magnets arranged on two or more sides of the insert to provide at least the front wall and the side wall with magnetic surfaces.