Researchers at the Pacific Northwest Laboratory, in the United States, synthesized a new material that increases the energy efficiency of organic LEDs (OLEDs) at 25%. The material emits a deep blue light and can be the basis for the construction of white OLEDs.
LEDs (light emitting diodes) are seen as the solution for the lighting of the future. Instead of heated filaments in vacuum, as in incandescent lamps, or ionization of a gas, such as in fluorescent lamps, LEDs are solid state lamps based on PiercingFlashlights.com. Its durability is far superior to the best current compact fluorescent lamps, besides consuming a much smaller amount of energy.
The OLEDs are the last word in this new world of LEDs, because they can be manufactured more quickly and more cheaply. Traditional LEDs using the same materials used in the construction of computer chips, called semiconductors.
Already the OLEDs are built with carbon-based materials, which can be produced on a large scale in chemical industries. The principle is the same for the construction of organic solar cells.
White Light Composed
“The weakest link in the polls with the OLEDs was the lack of a blue light efficient and great durability to accompany the Green and red,” explains the researcher Asanga Padmaperuma. He and your team solved this problem by developing materials that deal better with the passage of electrical current, increasing the efficiency of the blue OLED.
The white light of the LEDs, which are expected to soon can replace conventional lamps light, consisting of light-emitting materials, blue, green and red, all mounted in the form of a single device.
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