Levitating display device

1. A display device comprising:

a panel unit;

a frame unit configured to enclose the panel unit, and

a transparent support to which the frame unit and the panel unit that are spaced apart from each other are fixed,

wherein the frame unit comprises:

a power receiver, and

a wireless power transmitter configured to wirelessly transmit power received by the power receiver to the panel unit, and

wherein the panel unit comprises:

a wireless power receiver configured to wirelessly receive the power from the wireless power transmitter, and

a display configured to receive the power from the wireless power receiver and display an image,

wherein the wireless power receiver comprises:

a first power receiver located on an edge of a first side of the panel unit, and

a second power receiver located on an edge of a second side opposite to the first side of the panel unit, and

wherein the wireless power transmitter comprises:

a first power transmitter located on a first side of the frame unit, and configured to wirelessly transmit a first power to the first power receiver, and

a second power transmitter located on a second side of the frame unit, and configured to wirelessly transmit a second power to the second power receiver.

2. The display device of claim 1 , wherein the frame unit encloses the panel unit from a front view.

3. The display device of claim 1 , wherein the wireless power receiver comprises a bar-shaped receiving resonator located on an edge of a side of the panel unit and extending in a rim direction of the panel unit, and

wherein the wireless power transmitter comprises a bar-shaped transmitting resonator configured to wirelessly transmit the power to the bar-shaped receiving resonator based on the bar-shaped transmitting resonator and the bar-shaped receiving resonator being located side by side.

4. The display device of claim 3 , wherein the bar-shaped transmitting resonator and the bar-shaped receiving resonator are located side by side.

5. The display device of claim 3 , wherein a first length of the bar-shaped transmitting resonator is different from a second length of the bar-shaped receiving resonator.

6. The display device of claim 1 , wherein the first power transmitter is located outside the first power receiver and the second power transmitter is located outside the second power receiver.

7. The display device of claim 1 , wherein the first power receiver and the second power receiver are electrically connected in series to each other.

8. The display device of claim 1 , wherein the wireless power receiver is configured to increase an output voltage of the second power receiver based on an output voltage of the first power receiver decreasing.

9. The display device of claim 1 , wherein the first power transmitter and the second power transmitter generate magnetic fluxes in opposite directions.

10. The display device of claim 1 , wherein the frame unit further comprises:

an image receiver, and

a short-range wireless transmitter configured to transmit an image signal received by the image receiver through short-range wireless communication, and

wherein the panel unit further comprises a short-range wireless receiver configured to receive the image signal through the short-range wireless communication from the short-range wireless transmitter based on the panel unit and the frame unit being spaced apart from each other.

11. The display device of claim 1 , wherein the panel unit further comprises a wired power receiver configured to receive power by wire and supply the power to the display, and

wherein the display is further configured to receive the power from the wired power receiver at a higher priority than from the wireless power receiver.

12. The display device of claim 1 , wherein the frame unit further comprises an auxiliary functional unit configured to operate independently from the panel unit,

wherein the wireless power transmitter is further configured to:

determine whether the panel unit is located at a distance in which wireless power transmission is possible, and

turn on or off the wireless power transmitter according to a result of the determining.

13. The display device of claim 1 , wherein the panel unit further comprises screw holes according to a VESA mounting interface standard to fix the panel unit to a wall-mount, and

wherein the frame unit further comprises a coupling portion for fixing the frame unit to the wall-mount.

14. The display device of claim 1 , wherein the panel unit further comprises screw holes according to a VESA mounting interface standard,

the transparent support comprises holes according to the VESA mounting interface standard, and

the display device further comprises an extension screw,

wherein the extension screw comprises:

a front header for coupling the panel unit and the transparent support together according to the VESA mounting interface standard, and

a rear header for fixing the transparent support to a wall-mount.

15. The display device of claim 1 , wherein the frame unit is further configured to surround the panel unit.

16. An operating method of a display device comprising a panel unit, a frame unit configured to enclose the panel unit, and a transparent support to which the frame unit and the panel unit that are spaced apart from each other are fixed, the operating method comprising:

receiving, by the frame unit, power from the outside;

wirelessly transmitting, by a first power transmitter located on a first side of the frame unit and a second power transmitter located on a second side of the frame unit, a first power to a first power receiver located on an edge of a first side of the panel unit and a second power to a second power receiver located on an edge of a second side opposite to the first side of the panel unit;

wirelessly receiving, by the first power receiver and the second power receiver, the first power and the second power from the frame unit; and

displaying, by the panel unit, an image.

17. The operating method of claim 16 , further comprising:

determining, by the frame unit, whether the panel unit is located at a distance in which wireless power transmission is possible; and

turning on or off, by the frame unit, the wireless power transmission according to a result of the determining.

18. The operating method of claim 16 , wherein the frame unit is further configured to surround the panel unit.

19. A non-transitory computer-readable recording medium having stored thereon a program for executing the operating method of claim 18 .