This company Darkside Scientific has found a way to make electro luminescent spray paint. This stuff looks amazing and it would be very cool on a pinball. Stern, JJP, . . . Someone find a way to use this stuf!
Here it is on a car
http://vimeo.com/102641140
Look at the video in the comments section here to see more cool uses.
http://gizmodo.com/5991776/i-want-to-cover-every-single-wall-in-this-electroluminescent-paint