Abstract: An embodiment of the present inventive concept provides a display device including: a mother substrate on which a plurality of display modules are located; and a mother film located on a rear surface of the mother substrate, wherein the mother film may include a first layer, and a second layer disposed between the first layer and the mother substrate, the second layer has a thickness of from about 40 ?m to about 60 ?m, and a thickness of the first layer may be greater than that of the second layer.

Abstract: An informative system and an operating method thereof are disclosed. The system and method can provide special information service based on the present position of a user. The informative service system includes a local CP(Contents Provider) network having a prescribed service supply range of each region, receiving at least one of information of various stores, companies, real estates and so on in the region, information effective only in the corresponding region and other information requested by a client, the local CP network transmitting the received information to a terminal of the client who is located within the region; and a position confirmation network continuously confirming the client's position through the client's own terminal and providing the confirmed position information of the client to the local CP network.