Quite clever. Current Bayer sensor: if I am a photosite for red, will only process red and filter out the others. Panasonic's idea: if I am a photosite for red, I will only take red but I will send green at my site to my neighbour responsible for green, and blue to another neighbour responsible for blue. In the end, more light is collected.

Let's see whether it delivers.

Panasonic to double sensor’s sensitivity with unique “micro color splitters” | Photo Rumors