Foldable flat screen for e.g. presenting content of school book to child, has operating elements selecting and changing text and/or image information, which is produced in upright format, in arrangement, shape, color and sequence

摘要

The screen (A) has a control electronics, an accumulator, a battery or power supply, where an identical flat screen (B) is attached to a long side of the screen (A) by a hinge device (5). The screen (B) with an active screen surface lies on a screen surface of the screen (A) with or without safety distance in a closed position. One or both screens produce text and/or image information in upright format in an open position. Operating elements (6, 7) select and change the information in arrangement, shape, color and sequence.