National Semiconductor Corp. and Nuventix, Inc. today unveiled a new electronic drive and thermal management reference design that simplifies development of high-brightness light-emitting diode (LED) bulb fixtures that replace incandescent or compact fluorescent light bulbs in standard sockets. The new LED electronic drive and thermal management reference design will be demonstrated in Nuventix's booth #3260 at the Lightfair International conference in New York from May 5 to 7.