Patent ID: 7453417

Claim:
A display system comprising: a thin display device including a first communication unit disposed on a surface of the display device, an image memory, and a thin display unit which displays images stored in the image memory; and a data processor including an operation unit, a second communication unit which can be connected to the first communication unit of the display device, and a processing memory, the data processor being independent from the display device, and in response to a user's action to fold the data processor, the first communication unit and the second communication unit being connected to each other so that a connection therebetween is established, wherein, in a state where the data processor accesses a plurality of the display devices that are stacked via the first communication unit and the second communication unit, the data processor performs transfer of the processed data between the image memory of the display device and the processing memory of the data processor, in response to a user's action to sandwich the plurality of the display devices by folding the data processor, wherein the first communication unit comprises a plurality of connection units which can be connected to the second communication unit of the data processor, wherein the display device comprises a unit which notifies the data processor of a connection unit to be used for communication with the data processor among the plurality of connection units; wherein the display device comprises a second unit which stores information for specifying a connection unit used for recording data in the image memory and which notifies the data processor of the information, and wherein the data processor processes image data to be transmitted to the display device according to the notification from the display device.