Kia is showing a new car concept called POP. It's an electric car that has a transparent OLED panel behind the steering wheel. The OLED displays the speed, battery charge and more information.

Kia POP inside photo

It's not really a 'heads-up-display' as it's rather low, but it still enables the driver eyes to be closer to the road when he views information compared to regular dashboard displays.

Kyulux - Hyperfluoresence OLED emittersKyulux - Hyperfluoresence OLED emitters