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LEDs Tout Optimised Light Extraction Through Lens-like Casting

Fri, 05/21/2010 - 8:26am
high color rendering LEDsSharp is supplementing its LED lighting portfolio with three white 'high colour rendering', high-performance LEDs. The 'DoubleDome' LEDs from Sharp are asserted to provide desirable light for energy-efficient lighting without secondary optics. The light conversion layer of the 'DoubleDome' LEDs is based on a two-phase development procedure. A layer of phosphorous for the conversion of white light is applied in a first step. The installation of the globe top made from transparent silicone in a second step makes light extraction possible without spreading loss. A high-quality ceramic plate serves as the LED carrier material instead of the plastic materials that are traditionally used. This allows efficient heat dissipation and helps to keep the required cooling element small. The high colour rendering LEDs reach the high CRI value of 85 through the combination of blue LEDs with a special blend of green and red phosphorous. The SMD LEDs from the new GM2BBxxBM0C series ensure high colour fastness and attention to detail, which are vital everywhere where light must not distort the depiction of objects.

Sharp Electronics
800-642-0261, www.sharpsma.com 
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