No Angle Limits Apple's Latest HUD Patent Approved

According to the US National Patent Office, they recently approved a patent application from Apple that integrates a set of HUD head-up display systems with full-series imaging functions. This system can not only project images and information on the windows, but also on other different surfaces that the driver can see. It is reported that this patent was filed by Apple in February 2019.

『The picture shows the side view of the HUD system』

Some traditional HUD head-up display systems project icons, text and other information in front of the driver through the reflection of the windshield. Such a design is restricted by the angle of the windshield (and the vehicle’s The design is strongly related), so many suppliers need to obtain the inclination angle data of the windshield when designing and manufacturing the HUD head-up display system. Therefore, this system can only work at a specific angle and cannot adapt to more usage scenarios.

『The picture shows the structure of the holographic HUD system』

The traditional HUD system takes into account the incident angle of the projection source. After the light is emitted, it cannot be seen by the driver even after being reflected by the side window, because the principle of light reflection does not support this. In Apple’s newly designed system, there is not only a projection source, but also a set of optical reflection system, so that the generated holographic image can be arbitrarily adjusted with the help of the reflection system to adapt to more Viewing angle, finally realizes that the information on the HUD can be seen through multiple angles and/or surfaces.

Editor's comment:

After writing this news, I roughly counted the patents that Apple has applied for in recent years, including car lidar, autonomous navigation system, camera that can detect car window damage, and upgradeable CarKey, and even an air-conditioning system with built-in fragrance. Although Apple said a few years ago that it would not build cars, the research and development of vehicle-related parts and systems has not stopped for a moment. Therefore, when will the above-mentioned holographic HUD system that is not affected by angles be compatible with CarPlay? It is not impossible to 'get in the car'.

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