Display module, modular display apparatus comprising a plurality of display modules and control method thereof
Provided is a display module including a communication interface; and a plurality of driver integrated circuits (ICs), wherein a first driver IC among the plurality of driver ICs is configured to: based on obtaining a driving signal from an external device through the communication interface, provide the driving signal to a second driver IC adjacent to the first driver IC so that the driving signal is sequentially provided to remaining driver ICs among the plurality of driver ICs, and provide, to a second display module among the plurality of display modules, the driving signal based on module connection information including whether the second display module is connected to any one display module among the plurality of display modules by a daisy chain method.
1. A display module among a plurality of display modules included in a modular display apparatus, the display module comprising:
a communication interface; and
a plurality of driver integrated circuits (ICs),
wherein a first driver IC among the plurality of driver ICs is configured to:
based on obtaining a driving signal from an external device through the communication interface, provide the driving signal to a second driver IC adjacent to the first driver IC so that the driving signal is sequentially provided to remaining driver ICs among the plurality of driver ICs,
provide, to a second display module among the plurality of display modules, the driving signal based on module connection information including whether the second display module is connected to any one display module among the plurality of display modules by a daisy chain method, and
based on the any one display module being located at an end point among the plurality of display modules connected by the daisy chain method, not output the driving signal to outside.
2. The display module of claim 1 , wherein the first driver IC is further configured to:
based on the second display module being connected to the any one display module according to the daisy chain method, obtain a connection signal from the second display module, and
obtain the module connection information by identifying whether the second display module is connected based on the obtained connection signal.
3. The display module of claim 2 , wherein the first driver IC is further configured to, based on the second display module being connected, output the driving signal to outside and provide the driving signal to the second display module, and
based on the second display module being not connected, not output the driving signal to the outside.
4. The display module of claim 1 , wherein an external device is connected to the modular display apparatus to provide the driving signal sequentially to the any one display module according to a timing controller of the modular display apparatus or by the daisy chain method.
5. The display module of claim 1 , wherein the first driver IC is further configured to identify whether the driving signal is output based on a driving signal obtained from the external device, and
wherein the driving signal obtained from a timing controller of the modular display apparatus comprises a driving protocol set so that the any one display module located at an end of the plurality of display modules connected by the daisy chain method is configured to not output the driving signal.
6. The display module of claim 5 , wherein one or more processors of the modular display is configured to control so that the timing controller sets the driving protocol based on layout information of the modular display apparatus.
7. The display module of claim 6 , wherein the layout information comprises connection order information of the plurality of display modules and identification information of each of the plurality of display modules,
wherein the driving protocol comprises identification information of the any one display module located at the end, and
wherein the first driver IC is configured to not output the driving signal to outside based on the identification information included in the driving protocol.
8. The display module of claim 1 , wherein the plurality of driver ICs are connected by the daisy chain method.
9. A method of controlling any one display module among a plurality of display modules included in a modular display apparatus, the method comprising:
providing, by a first driver integrated circuit (IC) among a plurality of driver ICs included in the any one display module, a driving signal to a second driver IC adjacent to the first driver IC so that the driving signal is sequentially provided to remaining driver ICs;
providing, to a second display module among the plurality of display modules, the driving signal based on module connection information including whether the second display module is connected to the any one display module by a daisy chain method; and
based on the any one display module being located at an end point among the plurality of display modules connected by the daisy chain method, not providing the driving signal to outside.
10. The method of claim 9 , wherein the providing the driving signal based on the module connection information further comprises:
based on the second display module being connected to the any one display module according to the daisy chain method, obtaining a connection signal from the second display module; and
obtaining the module connection information by identifying whether the second display module is connected based on the obtained connection signal.
11. The method of claim 10 , wherein the providing the driving signal based on the module connection information further comprises, based on the second display module being connected, outputting the driving signal to outside and providing the driving signal to the second display module, and
based on the second display module being not connected, not outputting the driving signal to the outside.
12. The method of claim 9 , wherein an external device is connected to the modular display apparatus to provide the driving signal sequentially to the any one display module according to a timing controller of the modular display apparatus or by the daisy chain method.
13. The method of claim 9 , wherein the providing the driving signal based on the module connection information further comprises identifying whether the driving signal is output based on a driving signal obtained from an external device, and
wherein the driving signal obtained from a timing controller of the modular display apparatus comprises a driving protocol set so that the any one display module located at an end of the plurality of display modules connected by the daisy chain method is configured to not output the driving signal.
14. A display module comprising:
a plurality of driver integrated circuits (ICs),
wherein a first driver IC among the plurality of driver ICs is configured to:
based on obtaining a driving signal from an external device, provide the driving signal to a second driver IC adjacent to the first driver IC so that the driving signal is sequentially provided to remaining driver ICs among the plurality of driver ICs,
provide, to a second display module among a plurality of display modules, the driving signal based on module connection information including whether the second display module is connected to any one display module among the plurality of display modules, and
based on the any one display module being located at an end point among the plurality of display modules connected by a daisy chain method, not output the driving signal to outside.
15. The display module of claim 14 , wherein the first driver IC is further configured to:
based on the second display module being connected to the any one display module according to the daisy chain method, obtain a connection signal from the second display module, and
obtain the module connection information by identifying whether the second display module is connected based on the obtained connection signal.
16. The display module of claim 15 , wherein the first driver IC is further configured to, based on the second display module being connected, output the driving signal to outside and provide the driving signal to the second display module, and
based on the second display module being not connected, not output the driving signal to the outside.
17. The display module of claim 14 , wherein the external device connected to a modular display apparatus to provide the driving signal sequentially to the any one display module according to a timing controller of the modular display apparatus or by the daisy chain method.