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IMAGE: Researchers at Linköping University, Sweden, have developed efficient blue light-emitting diodes based on halide perovskites. view more
Credit: Thor Balkhed
Researchers at Linköping University, Sweden, have developed efficient blue light-emitting diodes based on halide perovskites. We are very excited about this breakthrough , says Feng Gao, professor at Linköping University. The new LEDs may open the way to cheap and energy-efficient illumination.
Illumination is responsible for approximately 20% of global electricity consumption, a figure that could be reduced to 5% if all light sources consisted of light-emitting diodes (LEDs). The blue-white LEDs currently in use, however, need complicated manufacturing methods and are expensive, which makes it more difficult to achieve a global transition.