HEAD-UP DISPLAY DEVICE, HEAD-UP DISPLAY SYSTEM AND TRANSPORT DEVICE

A head-up display device (100) comprises a light source part, an image generation element (120), and at least one sensor (141). The light source part comprises at least one light source (111), the at least one light source (111) being configured to emit light. The image generation element (120) is configured to convert light emitted by the at least one light source (111) to image light (IML) and output same. At least one sensor (141) is located on one side of the image generation element (120) that is close to the light source part. The sensor (141) of the head-up display device (100) has the potential to affect the image light. Also provided are a head-up display system comprising the head-up display device, and a transport device comprising the head-up display device or the head-up display system.