Flexible LED Display Screens

• US 20110181494A1
• Filed: 01/25/2010
• Published: 07/28/2011
• Est. Priority Date: 01/25/2010
• Status: Active Grant

• Current Assignee: Designled Technology Corporation
• Original Assignee: GT BiomeScilt Light Limited
• Inventors: Ling, Oon Siang, Wong, C.K., Chu, Sidney
• Granted Patent: US 9,177,492 B2
• Time in Patent Office: Days
• US Class Current: 345/1.3
• CPC Class Codes: G09F 9/3026 Video wall, i.e. stackable semiconductor matrix display modules video wall control systems G06F3/1446, G09G2300/026
• CPC Class Codes: G09F 9/33 being semiconductor devices, e.g. diodes

Abstract

Light emitting diode (LED) display modules, display screens comprising a plurality of display modules and methods of forming display screens are disclosed. Each display module 10 forming a display screen comprises a flexible substrate 11 supporting a plurality of LEDs 14. A set of connectors 16, 50, 52, 54 comprising male connectors and female connectors are coupled to the flexible substrate for connecting the display module to a respective set of connectors 16, 50, 52, 54 of an adjacent display module along at least one first edge 18 of the display module such that horizontal and vertical alignment of the display modules and the LED pitch size is maintained during flexing of the display screen.

Claims

1. A light emitting diode (LED) display module comprising:

a flexible substrate supporting a plurality of LEDs; and

a set of connectors coupled to the flexible substrate for connecting the display module to respective connectors of one or more adjacent display modules;

wherein the connectors comprise at least one male connector and at least one female connector.

2. The display module of claim 1, wherein the set of connectors comprises at least one male connector and at least one female connector.

3. The display module of claim 1, wherein the set of connectors comprises at least one connector at each edge of the display module.

4. The display module of claim 1, wherein at least one of the following protrudes beyond an edge of the display module;

at least one female connector;

at least one male connector.

5. The display module of claim 1, wherein at least one of the following does not protrude beyond an edge of the display module:

at least one male connector;

at least one female connector.

6. The display module of claim 1, wherein at least one female connector is adjacent an edge of the flexible substrate opposite an edge of the flexible substrate having at least one male connector.

7. The display module of claim 1, wherein each female connector comprises an aperture for receiving a projection of a respective aligned male connector of an adjacent display module.

8. The display module of claim 1, wherein the at least one male connector and the at least one female connector connect adjacent display modules such that an LED pitch size of each display module is maintained between adjacent display modules.

9. The display module of claim 1, wherein the at least one male connector and the at least one female connector connect adjacent display modules to maintain horizontal and vertical alignment of adjacent display modules to ±

3% of an LED pitch size of the display modules.

10. The display module of claim 1, wherein the connectors are aligned with reference marks on the flexible substrate.

11. The display module of claim 1, further comprising a flexible housing mounted to a first side of the flexible substrate.

12. The display module of claim 1, further comprising a flexible cover mounted to a second side of the flexible substrate.

13. The display module of claim 11, further comprising at least one magnet coupled to the flexible housing for attaching the display module to a surface.

14. The display module of claim 1, further comprising a data plug and a data socket coupled to the flexible substrate.

15. The display module of claim 1, further comprising a power connector coupled to the flexible substrate.

16. The display module of claim 11, further comprising at least one channel in the flexible housing for accommodating one or more cables.

17. The display module of claim 11, further comprising at least one cable restraint adjustably coupled to the flexible housing.

18. The display module of claim 1, wherein the display module is waterproof.

19. The display module of claim 1, further comprising one or more elongate strengthening members to prevent over bending of the display module.

20. A light emitting diode (LED) display screen comprising a plurality of LED display modules, each display module comprising a flexible substrate supporting a plurality of LEDs and a set of connectors coupled to the flexible substrate for connecting one of the display modules to respective connectors of one or more adjacent display modules, wherein the connectors comprise at least one male connector and at least one female connector.

21. The display screen of claim 20, wherein the set of connectors comprises at least one connector at each edge of the display module.

22. The display screen of claim 20, wherein at least one of the connectors of each display module overlaps with an adjacent display module.

23. The display screen of claim 20, wherein at least one female connector is adjacent an edge of the flexible substrate opposite an edge of the flexible substrate having at least one male connector.

24. The display screen of claim 20, wherein each female connector comprises an aperture for receiving a projection of a respective aligned male connector of an adjacent display module.

25. The display screen of claim 20, wherein the at least one male connector and the at least one female connector connect adjacent display modules such that an LED pitch size of each display module is maintained between adjacent display modules.

26. The display screen of claim 20, wherein at least the connectors of each display module are aligned with reference marks on a respective flexible substrate for horizontal and vertical alignment of adjacent display modules to ±

3% of an LED pitch size of the display modules.

27. The display screen of claim 20, wherein each display module further comprises a flexible housing mounted to a first side of a respective flexible substrate.

28. The display screen of claim 20, wherein each display module further comprises a flexible cover mounted to a second side of a respective flexible substrate.

29. The display screen of claim 20, wherein one or more of the display modules further comprises at least one magnet coupled to a respective flexible housing for attaching the display screen to a surface.

30. The display screen of claim 20, wherein a data plug coupled to a respective flexible substrate of one display module connects to a data socket coupled to a respective flexible substrate of an adjacent display module.

31. The display screen of claim 20, wherein a power connector coupled to a respective flexible substrate of one display module connects to a power socket coupled to a respective flexible substrate of an adjacent display module.

32. A method of forming a display screen comprising a plurality of LED display modules, each display module comprising a flexible substrate supporting a plurality of LEDs and a set of connectors coupled to the flexible substrate, the method including:

connecting at least one of the set of connectors of one of the display modules to a respective connector of an adjacent display module such that horizontal and vertical alignment of the display modules is maintained during flexing of the display screen, wherein the connectors comprise at least one male connector and at least one female connector.