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WHITE LEDS

Photonics Spectra
Aug 2005
OSRAM Opto Semiconductors Inc.Request Info
 
WHITE LEDS The Ostar Lighting LED announced by Osram Opto Semiconductors produces more than 200 lumen from an operating current of 700 mA. Measuring 3 × 1 cm, the high-performance semiconductor source of white light has a lifetime of >50,000 h and is suitable for spotlights as well as for reading, designer, safety and effect lights. It comprises a blue thin-film chip, a ceramic carrier for connecting to the heat sink, and electrostatic discharge elements that protect against overvoltage.


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GLOSSARY
heat sink
A series of flanges or other conducting surfaces, usually metal, attached to an electronic device to transmit and dissipate heat that might damage internal circuitry.
white light
Light perceived as achromatic, that is, without hue.
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