LED backlighting system for cabinet sign
View Patent ↗A backlighting system for a cabinet sign may include a plurality of panels. Each panel includes a plurality of light emitting diodes (“LEDs”) attached to the panel. The diode has a box sign depth factor of less than about 1.4. An integrated circuit may also be located on the panel. A wire physically connects adjacent panels.
1. Backlighting system for a cabinet sign comprising: a plurality of panels each panel including: a plurality of light emitting diodes (“LEDs”) attached to the panel, each LED having a box sign depth factor of less than about 1.4, and an integrated circuit; wherein one or more thermally conductive rails physically connects adjacent panels and the plurality of panels are attached to the one or more rails and one or more wires facilitate an electrical connection between the panels; wherein said rails are comprised of aluminum.
2. The backlighting system of claim 1 , wherein each panel comprises a printed wiring board.
3. The backlighting system of claim 2 , wherein the printed wiring board comprises at least one of a printed circuit board, a metal clad printed circuit board, and a flex circuit.
4. The system of claim 1 , wherein the LEDs are equally spaced apart on a panel.
5. The system of claim 1 , further comprising an over mold attached to a panel the over mold to be located between the LED and a front surface of the sign.
6. The system of claim 5 , wherein a top surface of the over mold is constructed from a transparent weather resilient material.
7. The system of claim 1 , wherein the LEDs are arranged in a two dimensional orientation.
8. The system of claim 1 , further comprising each LED having a protective element aligned to protect the diode of each LED from physical contact.
9. The system of claim 1 , wherein each panel includes a plug-n-play connector.
10. The system of claim 1 , wherein each rail includes a recess to engage with a locking element of the plurality of panels.
11. The system of claim 1 , wherein each of the plurality of panels include one or more integral or attachable guides which mate with a portion of the one or more rails which enables the plurality of panels to move along the rails.
12. A cabinet sign comprising a backlighting system, the system including:
a plurality of spaced panels, each panel including:
a plurality of light emitting diodes (“LEDs”) attached to the panel, each LED having a box sign depth factor of less than about 1.4, and
an integrated circuit;
wherein a rail physically connects vertically adjacent panels and the panels arranged in columns and rows, the adjacent panels being attached to one or more rails and one or more insulated wires facilitate an electrical connection between the panels.
13. The cabinet sign of claim 12 , wherein the columns having a series or parallel connection between adjacent panels of each column.
14. The cabinet sign of claim 12 , having one power source connection per section of surface area of a sign face, the section comprising from at least about fourteen (14) square feet (ft 2 ) of sign face to no more than about twenty (20) square feet (ft 2 ) of sign face.
15. The cabinet sign of claim 12 , wherein the panels are supported on the rails.
16. The cabinet sign of claim 15 , wherein the rails constructed from a material suitable for use as a heat-sink.
17. The cabinet sign of claim 12 , wherein each column is interconnected with a second column.
18. The cabinet sign of claim 12 , wherein each panel includes at least one insulation displacement connector.
19. The cabinet sign of claim 12 , wherein the mounting spacing between adjacent planes is adjustable.
20. The cabinet sign of claim 12 , further comprising an over mold covering all of the panels.
21. The cabinet sign of claim 12 , wherein the panels are stacked on top of another panel.
22. The cabinet sign of claim 21 , wherein the panels are stacked in an offset relationship to one another such that the light emitted from the LEDs on a lower panel are not blocked by a upper panel.
23. The cabinet sign of claim 22 , wherein a bottom surface of the upper panel includes a snap-on element and the top surface of the lower panel includes a complimentary snap-on element.
24. The cabinet sign of claim 12 , wherein the panels are stacked back to back.
25. The cabinet sign of claim 24 , wherein the panels includes snap-on connectors which are utilized to mount to opposing panels.
26. A modules for use in backlighting a cabinet sign, comprising: a printed wiring board; a plurality of LEDs mounted onto a first surface of the wiring board, wherein the LEDs are equally spaced apart; an overmold attached to the printed wiring board on the first surface; a protective element located on top of each LED to protect the diode of each LED from physical contact; a support structure configured to support the module and one or more spaced disparate modules, the support structure being one or more rails and the one or more modules being adjustably attached to the one or more rails; and an interconnectivity component that facilitates an electrical connection between the module and one or more disparate modules; wherein the support structure includes one or more sliding tracks which enable movement of the panels along the one or more rails.
27. The module of claim 26 , wherein the interconnectivity element is one of a male connector and a female connector connected to a module through the wire or an insulation displacement connector.
28. The module of claim 26 , wherein each of the modules include one or more integral or attachable guides which mate with a portion of the one or more rails which enables the plurality of modules to move along the rails.