Approximately 19% of the world’s electricity bill comes from lighting, according to Rudy Provoost, CEO of Philips Lighting. As such, Philips, the world’s largest producer of industrial and consumer lighting products, has a big role to play in the ongoing transformation from incandescent to solid-state lighting using LED technology. Provoost, who until last year was CEO of Philips Consumer Electronics, is no stranger to new technologies, which he says are “just a vehicle to respond to needs.” Figuring out what those needs are, weeding out needless complexity and innovating with an eye on the bottom line are the keys to growth, Provoost says.…