Signal processing device, and display device for vehicle having same

(canceled)

A display apparatus for vehicles comprising a signal processing device

• wherein the signal processing device comprises a processor configured to perform signal processing for a plurality of displays mounted in a vehicle,
• wherein in response to execution of an application, the processor is configured to transmit a request to execute the application to a cartridge device, receive a cartridge image of the application executed in the cartridge device, and display the received cartridge image on at least one of the plurality of displays.
• wherein in response to input to execute a first application, the processor is configured to receive a first cartridge image from the cartridge device, display a part of the first cartridge image on a first display among the plurality of displays, and display another part of the first cartridge image on a second display among the plurality of displays.