Display apparatus and method of controlling the same

1. A display apparatus comprising:

a first light emitting diode (LED) module comprising a first driving assembly;

a second LED module comprising a second driving assembly;

a connector configured to connect the first driving assembly to the second driving assembly; and

a processor connected to the first driving assembly,

wherein the processor is configured to transmit image data and a control signal to the first driving assembly,

wherein the first driving assembly is configured to operate based on the image data, and to transmit the image data and the control signal to the second driving assembly through the connector,

wherein the second driving assembly comprises a first connector connected to the first driving assembly through a first cable and a second connector connected to a third driving assembly through a second cable, and

wherein the second driving assembly is configured to transmit a feedback signal based on the control signal, and change the feedback signal based on a connection state of the second connector and the second cable.

2. The display apparatus according to claim 1 , wherein the second driving assembly is configured to operate based on the image data received through the connector, and to transmit the feedback signal based on the control signal to the processor through the connector.

3. The display apparatus according to claim 1 , wherein the control signal comprises a signal for selecting the second LED module, and

wherein the processor is configured to transmit the control signal for selecting the second LED module through the connector.

4. The display apparatus according to claim 3 ,

wherein each of the first driving assembly and the second driving assembly comprises a memory configured to store calibration data for a plurality of LEDs, and

wherein the first driving assembly is configured to transmit the control signal to the second driving assembly.

5. The display apparatus according to claim 4 , wherein the second driving assembly is configured to transmit the calibration data in the feedback signal based on the control signal.

6. The display apparatus according to claim 1 , wherein the first connector comprises a first plurality of pins and the second connector comprises a second plurality of pins, wherein at least one of the first plurality of pins is in electrical contact with at least one of the second plurality of pins; and

wherein the processor is configured to transmit the control signal based on at least three pins among the first plurality of pins and the second plurality of pins.

7. The display apparatus according to claim 6 , wherein the second connector comprises at least one pin connected to a ground.

8. The display apparatus according to claim 1 , wherein each of the first driving assembly and the second driving assembly comprises a plurality of driving integrated circuits (ICs) configured to control a predetermined number of LEDs; and

wherein the plurality of driving ICs are configured to operate based on the image data.

9. The display apparatus according to claim 8 , wherein each of the first LED module and the second LED module comprises a respective switching mode power supply (SMPS) configured to supply power to the first driving assembly and the second driving assembly, respectively.

10. A method of controlling a display apparatus, the display apparatus including a first light emitting diode (LED) module including a first driving assembly, a second LED module including a second driving assembly, a cable configured to connect the first driving assembly to the second driving assembly, and a processor connected to the first driving assembly, the method comprising:

transmitting, by the processor, image data and a control signal to the first driving assembly;

transmitting, by the first driving assembly, the image data and the control signal to the second driving assembly through the cable; and

transmitting, by the second driving assembly, a feedback signal based on the control signal to the first driving assembly through the cable,

wherein the second driving assembly comprises a first connector connected to the first driving assembly through a first cable and a second connector connected to a third driving assembly through a second cable, and

wherein the transmitting by the second driving assembly comprises changing the feedback signal based on a connection state of the second connector and the second cable.

11. The method according to claim 10 , wherein the control signal comprises a signal for selecting the second driving assembly.

12. The method according to claim 10 ,

wherein each of the first driving assembly and the second driving assembly comprises a memory configured to store calibration data for a plurality of LEDs; and

the transmitting by the second driving assembly comprises transmitting the calibration data in the feedback signal based on the control signal.

13. The method according to claim 10 ,

wherein the transmitting by the first driving assembly comprises transmitting the image data and the control signal through the first connector.

14. The method according to claim 13 , wherein the cable comprises a plurality of pins in electrical contact with the first connector of the second driving assembly, and

wherein transmitting by the processor comprises transmitting the control signal to the third driving assembly using at least three pins among the plurality of pins.

15. The method according to claim 14 , wherein the second connector has at least one pin connected to a ground, and

wherein the transmitting by the first driving assembly comprises transmitting a ground signal through the at least one pin to the second driving assembly.