Head-up display device

A head-up display device, comprising:

• a host, configured to send an image signal to a display device;
• the display device provided at one side of the host, configured to display the image signal;
• a curved semi-transparent reflecting screen provided in a position opposite to the display device, configured to receive an image displayed by the display device, and display the image on the other side of the semi-transparent reflecting screen at one side of the host, wherein the display device is a laser projector, configured to project the image through laser beams;
• and a micro-lens array is provided between the curved semi-transparent reflecting screen and the laser projector, and configured to modulate the display of the laser beams on the curved semi-transparent reflecting screen;
• and a driver detection device mounted in the host, configured to determine face state information of a driver according to face information, wherein the state information at least comprises emotional state information on distraction, fatigue, and road rage, and monitor and warn fatigue of the driver according to the face state information, real-time environment information, and real-time vehicle traveling speed.