Patent attributes
A portable information device is described. The portable information device includes a first chassis, a second chassis, a display, and a flexible sheet-shaped member. The display includes a folding region located between the first and second chassis. The sheet-shaped member is attached to a first fixed point located at a position offset from a center of the folding region to a side of the first chassis, and is also attached to a second fixed point located at a position offset from the center of the folding region to a side of the second chassis. In addition, the sheet-shaped member includes a first strength changing section in which a flexural strength decreases gradually from the first fixed point towards a first inflection point, and a second strength changing section in which the flexural strength decreases gradually from the second fixed point towards a second inflection point.
