BMW and E Ink unveil a color-changing concept car at CES

By letter: While companies like Qualcomm, Tesla, Ford or Hyundai talk more about all-electric vehicles and advanced self-driving systems – both in and out of CES – BMW’s concept car at the event this year brings something completely different. If its color-changing technology makes it real cars, it can have tangible uses beyond just looking flashy.

BMW and E Ink unveiled the BMW iX Flow concept at CES this week, an SUV covered by the E Inks Prism ePaper that lets it change colors. E Ink, a company specializing in low-power displays and ePaper, developed Prism as a wallpaper of its kind that can be programmed to display various things. BMW says it could increase personalization options or make the car more noticeable under certain conditions (below).

The iX Flow shown at CES can only switch between black and white, but these two colors alone could benefit the car’s energy consumption and climate control. On hot sunny days, the vehicle could turn white to reflect sunlight and more easily stay cool. On cold days, it can turn black to absorb sunlight and more efficiently heat the interior. E Ink does not show any light in itself – it only reflects the ambient light – and it only uses energy when it changes colors.

In related news, Qualcomm unveiled a digital chassis system at CES and is working with BMW to use some of its digital chassis features, starting with 2025 models.

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