Hologram projection system for vehicle and vehicle including the same

A hologram projection system for a vehicle, the hologram projection system comprising:

• a controller;
• a housing including a plurality of through-holes formed in an upper surface of the housing;
• a casing storing water and connected to the housing;
• a sprayer mounted in the housing and fluidly connected to the casing, and including a plurality of nozzles protruding through the through-holes in the upper surface of the housing, wherein the sprayer is electrically connected to the controller, configured to spray water in the casing as water mist by performing a spray operation under a control of the controller, and configured to spray the water mist toward a location above the housing through the nozzles;
• and
• a hologram projection device provided in the housing, electrically connected to the controller, and including a light-emitting device mounted on the upper surface of the housing,
• wherein the hologram projection device is configured to generate different beams under control of the controller and to form different patterns by projecting the different beams to the water mist formed above the housing by the light-emitting device.