2013年11月21日星期四

it is available at low costs and highly abundant on earth

With the liquid-processed silicon LEDs that may potentially be produced on large areas as well as at low costs, the nanoparticle community enters new territory, the associated potentials of which can hardly be estimated today. But presumably, textbooks about semiconductor components have to be rewritten,” says Geoffrey A. Ozin, who is presently working as a KIT distinguished research fellow at KIT’s Center for Functional Nanostructures (CFN).The SiLEDs also have the advantage that they do not contain any heavy metals. In contrast to cadmium selenide, cadmium sulfide or lead sulfide used by other groups of researchers, the silicon used by this group for the light-emitting nanoparticles is not toxic. Moreover, it is available at low costs and highly abundant on earth. Due to their many advantages, the LEDs will be developed further in cooperation with other partners.What we are aiming to develop is a significantly more efficient white LED, which would be around 50-60% efficient. If we can do that and it becomes widely adopted then the effects on energy consumption would be enormous. It would also produce lighting over which much more control could be exercised in brightness and tone."
Scientists on the project intend to examine every stage of the current LED fabrication process. The goal is to develop a range of areas where they can make improvements, such as new levels of control of semiconductor properties on a near-atomic level to light mixing and heat management.It is estimated that efficient white light LEDs, if successfully developed and widely implemented, could have a massive effect on reducing global energy consumption and C02 emissions.GE Lighting has replaced1,470 sets of halide lamps at Malaysia’sMASkargo Advance Cargo Centre with its Hi-Beam T5 High Bay system using GE’s technologically advanced system, a solution tailored for industrial vertical. The new lights significantly raised the level of illumination while generating a 50% reduction in energy usage. GE’s more energy-efficient solution, coupled with reduced maintenance, will result in savings totaling an estimated US$300,000 per year.

GE Lighting has implementedtheir technologically-advanced T5 High Bay systematMASkargo Advance Cargo Centre, a leading cargo handling complex located in Kuala Lumpur International Airport, Malaysia. Under this retrofit project, 1,470 sets of halide lampsat the cargo complex were replaced with Hi-Beam energy-efficientT5 High Bay system using GE’s technologically advanced system. The system, which is ideal for thewarehouse industrial vertical, has significantly improved the illumination within the complex. In addition, the reduced energy usage and maintenance will generate savings totaling an estimated US$300,000 per annum for its client.

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