Head-up display (HUD) is a form of augmented reality that presents data on a transparent display in a way that users don’t have to look away from their usual viewpoints. It was initially developed for military aviation as far back as the 1950s, displaying altitude, speed and even targeting systems on the front of the cockpit. This allowed pilots to receive information at eye-level by looking forward with their head positioned “up”, instead of having to look away at another piece of equipment which can lead to distraction.
Heads-up display (HUD) systems can project information on the windshield, tell you where to turn, notify you of lane markings, identify how close the car in front of you is and even give you restaurant information all right in front of your eyes -- and while you're actually able to see those objects or places.
The technology used for HUD varies on the system. Some cars use transparent phosphors on the windshield that reacts when a laser shines on it. When the laser is off, you don't see anything, but when the light is on the information is projected on the glass. Others use a similar system but incorporate mirrors to project the images on the windshield.
Heads up display has various safety benefits as well. It can be used with advanced features such as front camera to project the road ahead on the windshield itself in case of bad weather conditions when the screen fogs up or the driver is unable to see the road ahead clearly.This can also be used to improve night driving and hence reducing the number of accidents which occur due to some form of hindrance in the vision.Some adaptive cruise control systems already make safety calculations to determine the best route for a car around a certain situation, but the next step is to actually project that information, in real-time, on the car's windshield.
Not only cars but now-a-days motorcycle helmets are also coming with heads up display to display information to the rider.
HUD has become more accessible over time and the cheapest car in India currently having HUD is Kia Seltos.
Hopefully, it will become more accessible as the technology itself isn't much expensive and more and more cars should be equipped with it, which eventually, will lead to a safer future for all of us.
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