Projectors in conference rooms have to be very bright for viewers to easily see the large images even in daylight. So far, light-emitting diode (LED) light sources have been used primarily in pocket projectors, cell phones, or home cinema systems, but the folks from Osram Opto Semiconductors came up with an extremely bright, green LED ... »

Over 50% of the world light bulb market is covered by old, energetically and environmentally unfriendly incandescent light bulbs. EU energy ministers met in Luxembourg back in 2008 in order to give a final approval to an EU-wide ban on incandescent light bulbs that should begin in 2010. There are many alternative technologies as white-light ... »