DISPLAY DEVICE, VEHICLE-MOUNTED DISPLAY SYSTEM, VEHICLE AND MANUFACTURING METHOD OF HOLOGRAPHIC LENS

A display device and a vehicle including the display device, a vehicle-mounted display system and a method of manufacturing a holographic lens are provided. The display device includes a display array generation device and a first lens layer. The display array generation device is configured to provide a plurality of collimated light beams parallel to each other and spaced from each other; the first lens layer is arranged at a light exiting side of the display array generation device. The first lens layer includes a plurality of first microlenses arranged in array, and is configured to receive a plurality of collimated light beams. The plurality of collimated light beams correspond to the plurality of first microlenses, to achieve a plurality of scanning imaging, respectively. The display device can be applied to head-up display systems.