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Definite guide for declaration found on light bulb packages

By Damir Beciri
4 Comments22 May 2012

light-bulbs-storeLately, a lot of news reported about new light bulbs which are on their way or ready to hit the market, and I felt obliged to clarify and guide you for your next purchase. No, I’m not going to recommend my favorite company, technology or model, but rather explain how declared longevity, watts, volts, kelvins… »

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Siemens green LED provides more lumens for LED projectors

By Damir Beciri
2 Comments1 April 2011

siemens-green-ledProjectors 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… »


Light bulb wars – South Korea makes a move with OLED

By Damir Beciri
9 June 2009

oled-by-etriOver 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… »