Deep Space Light
Dark Matter Illumination
Dark Night Luminosity
Whatever name they use, it is just more convergence between traditional AF points and on-sensor points. The benefits will be most noticeable during low light, as the camera will be able to amplify the signal from the sensor to achieve accurate autofocus, but you won't need to be in live view mode.
Canon's decison to go with pellicle mirrors going forward, is going to allow for a lot of cool things like this. But, then, if you think a small thing like that is cool, wait until you see the 7Dii's hybrid viewfinder.