Image display system, image display device of image display system, mobile terminal device, connection establishment method of image display system

An image display device in an image display system including the image display device forming an image and a mobile terminal device supplying image information to the image display device over a predetermined network, the image display device comprising:

• a storage unit which stores connection information for connecting to the image display device in the predetermined network;
• an encoding unit which encodes a connection information code including the connection information;
• and
• a display unit which displays (1) the connection information code or an image including the connection information code, and (2) an instruction to photograph the connection information code or the image including the connection information code,
• wherein the connection information code or the image including the connection information code is displayed before establishing network connection with the mobile terminal device;
• and
• the mobile terminal device comprising:
• a code acquiring unit comprising an imaging unit which acquires the connection information code from the displayed connection information code or the image including the connection information code by remote imaging.

A method of establishing connection between an image display device forming an image and a mobile terminal device supplying image information to the image display device over a predetermined network, the method comprising:

• displaying (1) a connection information code or an image including the connection information code obtained by encoding connection information for connecting to the image display device in the predetermined network and (2) an instruction to photograph the connection information code or the image including the connection information code;
• imaging the connection information code at the mobile terminal device by remote imaging with a code acquiring unit comprising an imaging unit;
• analyzing the imaged connection information code at the mobile terminal device;
• and
• establishing a network connection with the image display device using the analyzed connection information at the mobile terminal device.