Integrated data and power cord for use with modular display panels
In one embodiment, a display panel includes a plurality of display elements, and image control circuitry coupled to the display elements. A power supply circuitry is coupled to the display elements. A housing encloses the display elements and the image control circuitry. The housing is sealed with respect to external elements. A first integrated data and power cable extends from outside the housing, through a housing wall and electrically connected to the image control circuitry and the power circuitry. A second integrated data and power cable extends from outside the housing, through the housing wall and electrically connected to the image control circuitry and the power circuitry.
1. A display panel comprising:
a plurality of display elements;
image control circuitry coupled to the display elements;
power supply circuitry coupled to the display elements, the power supply circuitry including an AC/DC converter;
a housing enclosing the display elements and the image control circuitry, the housing being sealed with respect to external elements;
a first integrated data and power cable extending from outside the housing, through a housing wall and electrically connected to the image control circuitry and the power circuitry; and
wherein the first integrated data and power cable comprises a connector at an end of the cable, the connector comprising:
a plurality of male connectors surrounded by an end enclosure and accessible outside the connector, each male connector of the plurality of male connectors configured to fit into a female connector, wherein the plurality of male connectors comprises three pins for carrying AC power to the power supply circuitry, and
a plurality of female connectors surrounded by the end enclosure, each female connector of the plurality of female connectors configured to receive a pin.
2. The display panel of claim 1 , wherein the plurality of male connectors comprises power pins and wherein the plurality of female connectors comprises data sockets.
3. The display panel of claim 1 , wherein the first integrated data and power cable comprises a sealing cover configured to lock with another connector and configured to prevent moisture from reaching inside the connector.
4. The display panel of claim 1 , wherein the first integrated data and power cable comprises:
a plurality of data wires;
a plurality of power wires; and
an insulating sheath surrounding the data wires and the power wires;
wherein each male connector of the plurality of male connectors is electrically connected to a respective one of the power wires; and
wherein each female connector of the plurality of female connectors is electrically connected to a respective one of the data wires, the plurality of female connectors configured to receive plurality of male connectors from an another connector of an adjacent display panel.
5. The display panel of claim 4 , wherein, at a second end of the cable, each of the data wires is electrically connected to the image control circuitry and each of the power wires is electrically connected to the power circuitry.
6. The display panel of claim 1 , wherein the first integrated data and power cable comprises:
a plurality of data wires;
a plurality of power wires; and
an insulating sheath surrounding the data wires and the power wires;
wherein each male connector of the plurality of male connectors is electrically connected to a respective one of the data wires; and
wherein each female connector of the plurality of female connectors is electrically connected to a respective one of the power wires, the plurality of female connectors configured to receive plurality of male connectors from an another connector of an adjacent display panel.
7. The display panel of claim 6 , wherein, at a second end of the cable, each of the data wires is electrically connected to the image control circuitry and each of the power wires is electrically connected to the power circuitry.
8. The display panel of claim 1 , wherein the display elements comprise LEDs attached to an LED board, wherein a display surface of each of the LEDs is exposed outside the housing.
9. The display panel of claim 1 , wherein the display elements comprise LEDs attached to an LED board, wherein a display surface of each of the LEDs is covered with potting compound outside the housing.
10. The display panel of claim 1 , wherein the power supply circuitry is disposed within a power enclosure mounted to an outer surface of the housing.
11. The display panel of claim 1 , further comprising a fan unit disposed within the housing.
12. The display panel of claim 11 , wherein the power supply circuitry is disposed within the housing.
13. A display panel comprising:
a plurality of display elements;
image control circuitry coupled to the display elements;
power supply circuitry coupled to the display elements, the power supply circuitry including an AC/DC converter;
a housing enclosing the display elements and the image control circuitry, the housing being sealed with respect to external elements;
a first integrated data and power cable extending from outside the housing, through a housing wall and electrically connected to the image control circuitry and the power circuitry, wherein the first integrated data and power cable comprises a connector at an end of the cable, the connector comprises:
a plurality of male connectors surrounded by an end enclosure and accessible outside the connector, each male connector of the plurality of male connectors configured to fit into a female connector, and
a plurality of female connectors surrounded by the end enclosure, each female connector of the plurality of female connectors configured to receive a pin; and
a second integrated data and power cable extending from outside the housing, through the housing wall and electrically connected to the image control circuitry and the power circuitry, wherein the first and second integrated data and power cables each comprise three power wires for carrying AC power to the power supply circuitry.
14. The display panel of claim 13 , wherein the first integrated data and power cable comprises an input cable and wherein the second integrated data and power cable comprises an output cable.
15. The display panel of claim 13 , wherein the first and second integrated data and power cables each further comprise a plurality of data wires, each data wire having a diameter that is smaller than a diameter of the three power wires.
16. The display panel of claim 15 , wherein the first integrated data and power cable comprises a connector at an end of the cable, the connector comprising:
an end enclosure having a circular cross-section;
three power pins surrounded by the end enclosure and accessible outside the connector, each power pin electrically connected to a respective one of the power wires; and
a plurality of data sockets surrounded by the end enclosure and accessible outside the connector, each data socket electrically connected to a respective one of the data wires.
17. The display panel of claim 16 , wherein the three power pins are located along an arc of an inner edge of the end enclosure, the arc extending between 30° and 160° of an entire circumference of the inner edge.
18. The display panel of claim 17 , wherein ones of the data sockets are located along the inner edge of the end enclosure and other ones of the data sockets are spaced from the inner edge by the ones of the data sockets and the power pins.
19. The display panel of claim 13 , wherein the first and second integrated data and power cables each comprise a plurality of data wires, the data wires configured as twisted pairs.
20. The display panel of claim 13 , wherein the first and second integrated data and power cables each comprise a plurality of power wires and a plurality of data wires.
21. A modular multi-panel display system comprising:
a mechanical support structure; and
a plurality of display panels mounted to the mechanical support structure so as to form an integrated display panel;
wherein ones of the display panels each include a first integrated data and power cable connected to a second integrated data and power cable of a first adjacent display panel to receive data and alternating current (AC) power from the first adjacent display panel, wherein the first integrated data and power cable comprises at least one power wire configured to provide AC voltage to the respective display panel, and wherein each of the plurality of display panels comprises a power supply circuitry for converting the received AC to direct current (DC); and
wherein the ones of the display panels each also include a second integrated data and power cable connected to a first integrated data and power cable of a second adjacent display panel to provide data and AC power to the second adjacent display panel.
22. The system of claim 21 , wherein each display panel comprises:
a plurality of display elements;
image control circuitry coupled to the display elements;
power circuitry coupled to the display elements and configured to convert the AC power to DC power;
a first housing enclosing the display elements and the image control circuitry; and
a second housing attached to the first housing, the second housing enclosing the power circuitry, the first housing and the second housing being sealed with respect to external elements.
23. The system of claim 22 , wherein the first integrated data and power cable is electrically connected to the image control circuitry and the power circuitry, and wherein the second integrated data and power cable is electrically connected to the image control circuitry and the power circuitry.
24. The system of claim 21 , wherein each display panel comprises:
a plurality of display elements;
image control circuitry coupled to the display elements;
power circuitry coupled to the display elements and configured to convert the AC power to DC power;
a housing enclosing the display elements, the image control circuitry and the power circuitry, the housing being sealed with respect to external elements;
the first integrated data and power cable, which is electrically connected to the image control circuitry and the power circuitry; and
the second integrated data and power cable, which is electrically connected to the image control circuitry and the power circuitry.
25. The system of claim 21 , wherein the display panels are arranged in an array of rows and columns, each display panel of each row being electrically connected to an adjacent display panel within that row via an integrated data and power cable.
26. The system of claim 25 , wherein, for each row, a first end display panel receives an input data connection from a data source and has an output data connection to a next LED display panel in the row, each further display panel in the row until a second end display panel providing data to a next adjacent display panel.
27. The system of claim 21 , wherein the display system is cooled passively and includes no air conditioning, fans, or heating units.
28. The system of claim 21 , wherein the first integrated data and power cable of each of the ones of the display panel comprises:
a plurality of data wires;
a plurality of power wires;
a waterproof sheath surrounding the data wires and the power wires;
a connector at a first endpoint of the cable, the connector comprising:
data connections of a first type for receiving/transmitting data, the data connections mating with data connections of a second type of the second integrated data and power cable of the first adjacent display panel, wherein the first type comprises male and the second type comprises female or wherein the first type comprises female and the second type comprises male;
power connections of the second type for receiving/transmitting power, the power connections mating with power connections of the first type of the second integrated data and power cable of the first adjacent display panel; and
a sealing cover configured to lock with the second integrated data and power cable of the first adjacent display panel and configured to prevent moisture from reaching inside the connector.