This MoMoLight for notebook computers builds upon the “Philips Ambilight” technology. Video after the jump. Here’s how it works:
It’s supposed to make the viewing experience more comfortable. The MoMoLight uses a directshow filter to calculate the average color on the top, left and right border of the screen. It sends this information to a microcontroller that does PWM control of three separate banks of red, green and blue cold-cathodes
[via HackADay]