How Automotive Displays can meet Functional Safety: Page 2 of 7

March 13, 2019 //By Szukang Hsien, Maxim Integrated
How Automotive Displays can meet Functional Safety
Functional safety requirements have long been on the radar for automotive systems like braking and steering. Since vehicle displays now show critical information like speed and blind spot views, they also must be functionally safe to protect everyone inside and around the car. What does it take to design a functionally safe vehicle display?

For instance, a black screen would be truly black, making an instrument cluster easier to read. There will also be more displays inside each car; in fact, we can already count up to 10 displays in a modern vehicle: the instrument cluster, the center information display (CID) (1-2), smart back mirror, side mirror replacement (2), heads-up display (HUD), rear seat mount on the head support (2), and rear seat mount on the roof.


Figure 2: In-vehicle displays are getting bigger and sharper,
especially as cars become smarter.

Highlighting the infusion of display technology in cars, analysis from IHS Markit points out that cameras and displays are increasingly being recognized as viable replacements for traditional side mirrors, providing benefits in fuel efficiency and safety. “Aerodynamic improvements and enhanced visibility are the primary reasons behind emerging mirror replacement applications, while designers will welcome newfound freedom after having explored novel exterior mirrors in concept vehicles for decades. Now that the regulatory environment is taking shape to support this concept, production applications will soon follow,” according to IHS Markit. The firm projects that by 2025, nearly half a million side-view camera display systems will replace side mirrors each year in new vehicles.

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