News tagged with leds

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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 ...

dateJan 21, 2011 in Engineering
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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 ...

dateNov 26, 2010 in Semiconductors
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NIST 'Vision Science Facility' aims for lighting revolution

Light-emitting diodes, or LEDs, have become popular with backpackers and cyclists who mount them on headbands for a reliable, hands-free source of illumination. Now, a new lab at the National Institute of Standards and Technology ...

dateSep 29, 2010 in Other
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LED glasses step into the light

(PhysOrg.com) -- Light therapy glasses -- spectacles that use inbuilt light emitting diodes (LEDs) to assist in resetting the body's natural clock -- are a step closer to commercial availability with the award ...

dateAug 02, 2010 in Health
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