I agree that "emerges" is no explanation at all.
But we can agree that the images on the TV screen are caused by the configuration of physical matter making up the TV, just like our consciousness is caused by the physical matter making up our brain.
Granted, people have subjective (i.e. feel-happy) reasons to throw out Occam's razor and suppose we have e.g. an eternal soul, but the search for the soul-receiver in the brain will just give you fits (not so bold prediction: they'll never find it, because it doesn't exist).