The studies demonstrated that all sapphire, regardless of source, exhibits color at the core level, that the pink hue of GT Advanced Sapphire Furnace (ASF?) material is not indicative of impurities, and that pink led high bay light sapphire does not have an adverse affect on the LED manufacturing process nor does it require extra steps or incremental costs to remove the pink hue. In addition, it was demonstrated that GT ASF pink sapphire material makes the lowest absorption, highest transmission epi-wafers of the samples examined.
The new study is part of a larger comprehensive material characterization project initiated by GT to examine the effects of sapphire material properties on the entire manufacturing processes in the HB LED value chain. The company will present the findings of the color case study at the GG LED Conference, December 9-10, in Shenzhen, China.
With today’s broad awareness that green buildings offer lower operating costs, increased value and improved ROI, the U.S. Green Building Council’s LEED? (Leadership in Energy and Environmental Design) certification has become the framework of choice for achieving sustainability at commercial properties. Lighting, which accounts for 40 percent of energy use in office buildings, often dominates the opportunity for energy savings among all electrical systems and can potentially contribute up to 19 credits towards LEED certification, according to Encelium.
Implementation of a proper control system for lighting is pivotal for a building to earn LED certification, as energy performance is the largest driver of the points needed to qualify,” said Terry Mocherniak, former chief operating officer of Encelium, a manufacturer specializing in advanced lighting control and energy management systems for commercial and industrial buildings. “It is also important to note that more accurate monitoring and control of energy-intensive systems like HVAC and lighting help keep energy costs in check.”
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