Bigger, Sharper Automotive Displays Still Need to Meet Functional Safety Standards

March 07, 2019 //By Szukang Hsien, Maxim Integrated
Bigger, Sharper Automotive Displays Still Need to Meet Functional Safety Standards
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?

Take the wheel of a new car today, and you’ll be greeted with the bright glow of screens filled with useful data: how fast you’re going, what’s playing on the radio, a playlist of your songs, a phone book of your contacts, a map highlighting your current route, the fuel efficiency of your vehicle, whether there’s another car in your blind spot. The digital world applies to cars, too, and it’s supporting a safer and more engaging experience on the road.


Figure 1: Future cars will boast even more displays. Automotive-grade ICs
that meet ASIL B criteria support functional safety of these vehicle displays.

Side Mirrors: Relics of the Past?

Much like television screens, the displays inside cars are getting bigger and sharper. Analysts project strong growth in the >8-inch display market, with 12.3-inch displays gaining more traction for fully digital instrument clusters. By 2023, a 37-inch in-vehicle screen could be a common sight. In the coming years, 4K and, down the road, 8K resolutions will be the norm. Future automotive displays will boast capabilities like local dimming, which improves the contrast ratio to make colors more crisp and vivid.

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