As an electrical contractor, I am often asked by (commercial and industrial) customers, to suggest energy-cost savings. When considering lighting, we will first analyze what they are currently using and then evaluate alternatives such as LED, flourescent, or induction conversion. The same could be done with power generation systems such as solar, wind turbines, [...]
Tag Archives | LED
LED AND THE ENVIRONMENT
Tests conducted at the University of California-Davis and Irvine, on LED traffic lights, automobile headlights, brake lights and Christmas tree lights, showed unsafe levels of some toxins. After LEDs were crushed, they were found to contain lead, arsenic, nickel and other hazardous substances. Their conclusions may put a damper on the growing popularity of [...]
LED, ORGANIC LIGHT
THE BIRTH OF OLEDs: Organic Light-Emitting Diodes, or OLEDs, were invented by Dr. Ching Tang at Eastman Kodak. Although this took place in the late 1970’s, it is just now (over two decades later) finding its way into markets. It was confined to cell phones and small video displays for years, now it is [...]
LED, WHAT IS IT?
Light Emitting Diode (LED) is a semiconductor light-producing unit. When an electrical current passes through the unique materials, there is a recombination of positive and negative charges resulting in the emission of photons, as light energy. This action is called electroluminescence. The color of the light is determined by the energy gap of semiconductor and [...]
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