Application of Wedge-shaped PVB Film in Automotive Head-Up Display (HUD) Systems
Release time:
2024-12-13
The vehicle-mounted head-up display system (HUD) is a product that uses optical principles to project virtual images of driving information such as speed and navigation onto the front windshield. The main purpose of this product is to reduce driver distraction from operating other components inside the vehicle, keeping the driver's attention on road conditions and enhancing driving safety.
The vehicle-mounted head-up display system (HUD) is a product that uses optical principles to project virtual images of driving information such as speed and navigation onto the front windshield. The main purpose of this product is to reduce driver distraction from operating other components inside the vehicle, keeping the driver's attention on road conditions and enhancing driving safety.
The factory-installed HUD is mainly divided into two types, W HUD/C HUD (previously introduced, with links). Due to cost issues, it is primarily used in some mid to high-end models. The W-type HUD, which displays directly on the windshield, has higher costs in terms of optical design and structure, and is basically used in luxury models, such as the BMW 5 and 7 series, Mercedes-Benz S-Class, Audi A8, Lexus LS and RX, and Volkswagen Phideon and the new Touareg, all of which come standard with WHUD.
Of course, the more popular trend in the industry right now is the integration of HUD with AR technology and ADAS systems, as well as entertainment systems, to achieve a better driving experience and create more combined applications, further enhancing driving safety and experience. This advanced technology of AR HUD, which is full of a sense of technology, may officially be launched in the next year or two.
HUD is a complex optical system, whether it is a W-type HUD or an AR HUD, it is directly projected onto the car's front windshield. However, the windshield is a freeform surface, which brings many optical design and production difficulties. Today, I want to discuss a current challenge: the windshield ghosting issue and its solution—the wedge-shaped PVB interlayer.
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