US Patent 10180701 Portable information device

A portable information device is provided. The portable information device includes a first chassis and a second chassis, a back part, a display and a supporting base. The back part pivotally connects the first and second chassis. The display, which can be folded in half, is disposed over inner faces of the first and second chassis. The supporting base is located on the inner face of at least one of the first and second chassis and at a position between the back part and an open end that is opposite to the back part. The supporting base supports a rear face of the display.