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LED Bulbs

Photonics Spectra
Nov 2010
GlacialTech Inc.Request Info
 
GlacialTech Inc. has announced the GL-BR20D/ 30D/40D series low-power LED bulbs, which are 110/220-VAC LED retrofits for conventional bromine halogen bulbs. What makes them unique is the triode for alternating current (TRIAC)-dimmable function embodied in the bulbs for smoothly dimming down to complete darkness while the dimmer’s conduction angle is being diminished toward nil. The proprietary self-designed and self-contained LED drivers demonstrate the GlacialLight (GL) technology implanted in all of the company’s LED products for maximal luminous efficacy and minimal carbon dioxide emission. The bulbs incorporate a patented LED driver intelligently detecting the input voltage chopped by a TRIAC dimmer and rectified by a bridge diode to fluently dim the LEDs. Based on this advanced technology, the dimming series devices provide two optional models: a low-voltage and a high-voltage version, respectively supporting 110 and 220 V, as well as individually compatible with a multitude of TRIAC dimmers commonly available.


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GLOSSARY
luminous efficacy
Quotient of total luminous flux divided by total radiant flux; lumens per watt. (For a source, quotient of total luminous flux divided by lamp power input.)
triac
A semiconductor device that functions as an electrically controlled switch for AC loads.
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