All I know about raybrig is that they had seriously sick NSX in gran turismo 3...

Although if it is truely a more efficient light bulb (same light as 95w bulb but uses 55w) it will in fact create less heat than a standard 55w bulb. With any light bulb it creates both heat and visible light, so theoretically if it is more effecient than it more of the energy goes into light than goes into heating its surroundings. This is why a flourecent bulb is much cooler than an incendecent bulb.