How Projection Technology Enables Automotive Head-Up Displays

Greenlight Optics

Projection Technology Enables Automotive Heads-Up Displays
Friday, July 20, 2018

Compared to earlier generation of Head up Displays which showed only speed and RPM, the HUDs of today have higher resolutions, crisper colors, and larger and brighter displays. Mostly, they project graphics onto the windshield from a display unit that’s embedded behind the steering wheel of the car or in the dashboard. However, some cars use systems that have small and flat screens sticking out vertically from the dashboard.

How Projection Technology Is Advancing

The current head-up display technology is evolving. It’s expected to transfer all navigation information and even the performance driving guidance onto stunningly integrated visuals. The advancements in projection technology have made it possible for these HUDs, which were only featured in luxury cars, to be incorporated in more affordable models of the cars as well. Very shortly, you can expect these moderations in projection technology making it possible to have directional arrows projected onto the pavement in front of you. You can also expect features like animated highlights of the animals on the road ahead, or even animated callouts of the famous places you pass by while driving. All of this will be displayed on your car’s windshield or even at the side and rear windows.

The Latest Developments in the HUDs

Lexus has the largest head-up display in the industry. The new 2018 Lexus LS 500 features a true human-machine interface, according to the suppliers of the car. The test drive sessions of this car revealed that its HUD has the most startling capabilities. It shows animated navigation graphics and as well as the car’s status in terms of distance keeping and lane centering. You’d be surprised to know but the HUD in this model also displays the positions of pedestrians ahead. Moreover, the advanced projection technology that’s used in the model has made it possible for these graphics to be extremely well tuned, making the graphics to appear as if floating approximately ten feet in front of the car. All these animated displays cause minimal strain on the driver’s eyes.

This is what Lexus has done, but other car manufacturers aren’t far behind. BMW’s HUD has lane specific navigation directions and ability to control the audio system, like channels and tracks, by the HUD. Lincoln Navigator and Continental both have advanced HUDs that use digital light projection technology. It allows enhanced visibility in brighter lighting conditions. Moreover, the HUDs in these cars can be programmed to display navigation information, phone and as well as lane keeping, driving range and temperature.

The projection technology used in the head-up displays of cars has come a long way over the last few years. Greenlight Optics has extensive experience in manufacturing and engineering projection systems, including based on DLP, LCOS, OLED, MicroLED, LED, and Laser technology. We enable the latest projection applications and provide our customers with an exceptional service.

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