As mentioned above, by employing the constitution which arranges a concavo convex formation device and a touch panel on a panel surface of a display device, and enabling formation of a concavo convex shape on the panel surface concerned, not only the communication of information in a visual mode by {HEAD ~ the displayed content} on a screen but also the communication of information in a tactile mode by {TAIL ~ formation} of the concavo convex shape becomes possible to a user 
As mentioned above , by employing the constitution which arranges a concavo convex formation device and a touch panel on a panel surface of a display device , and enabling formation of a concavo convex shape on the panel surface concerned , not only the communication of information in a visual mode by { HEAD ~ the displayed content } on a screen but also the communication of information in a tactile mode by { TAIL ~ formation } of the concavo convex shape becomes possible to a user
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