News tagged with leds

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Shedding light on risks of LEDs

If you haven't taken down your Christmas lights yet, do it very carefully. Those modern, light-emitting diode bulbs marketed as safe, environmentally preferable alternatives to traditional lights actually ...

Mar 01, 2011 3.4 / 5 (14) 22

Nanoworld in color

Lights off – projector on. Lecture theaters, conference halls and seminar rooms currently have to be darkened if the speaker wants to project a presentation on screen. Unfortunately, the attention of ...

Jan 21, 2011 4.2 / 5 (5) 4

Powerful LED flash for smartphones

Researchers from Osram Opto Semiconductors have developed an LED chip that makes it possible to offer smaller pocket projectors, vehicle headlights, and cell phone camera flashes. In combination with a new ...

Nov 26, 2010 4.7 / 5 (6) 3