HEAD-UP DISPLAY AND OPERATING METHOD THEREOF

A head-up display comprises an image module, a rotating module and two reflector groups. The image module is provided with an image generation unit and an imaging projection unit. The image module is configured to emit an image. The rotating module is located on one side of the imaging projection unit and on the different side from the image generation unit. The rotating module is configured to receive an image. The rotating module is provided with a double-sided reflecting mirror. The double-sided reflector has a first surface and a second surface opposite to the first surface. When the rotating module rotates the double-sided reflector, the first surface and the second surface of the double-sided reflector reflect images at intervals in time. The two reflecting mirror sets are arranged on the two opposite sides of the rotating module respectively. The reflector group is configured to reflect the image reflected by the first surface and the second surface of the double-sided reflector again. After the left e