Perovskite LEDs are an emerging technology for next-generation display, lighting and communications. While perovskite LEDs can be produced simply and at low cost, they show clear technological advantages. They are lightweight ...
Optics & Photonics
Aug 9, 2022
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78
Micro-LEDs have been used in many fields due to their superior performance, such as micro-displays, visible light communication, optical biochips, wearable devices, and biosensors. Obtaining high resolution and high pixel ...
Optics & Photonics
May 26, 2022
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13
Giving off a comfortable glow, candles set the ambiance for a special dinner or just a quiet evening at home. However, some lighting alternatives, such as electronic candles, give off unwanted blue wavelengths that interfere ...
Materials Science
May 24, 2022
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123
A quasiparticle that forms in semiconductors can now be moved around at room temperature, a University of Michigan-led study has shown. The finding could cool down computers, enabling faster speeds and higher efficiencies, ...
Optics & Photonics
Feb 15, 2022
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400
Researchers from the Okinawa Institute of Science and Technology Graduate University (OIST) have developed blue LEDs based on a material called metal halide perovskite, that, for the first time, uses asymmetrical bridges ...
Materials Science
Jan 25, 2022
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66
Sure, you could attach two screens with a hinge and call a cell phone "foldable," but what if you could roll it up and put it in your wallet? Or stretch it around your wrist to wear it as a watch?
Materials Science
Oct 22, 2021
0
75
Planar perovskite light-emitting diodes (LEDs) are high-performance and cost-effective electroluminescence devices that are ideal for large-area display and lighting applications. By exploring the emission layers with high ...
Tiny light-emitting devices that can create all the colors in the rainbow are essential for the next generation of phones and screens.
Optics & Photonics
Sep 27, 2021
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35
Global light pollution has increased by at least 49% over 25 years, new research shows.
Environment
Sep 14, 2021
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17
Life on Earth has evolved alongside predictable cycles of day and night. But this pattern has become increasingly blurred. Between 2012 and 2016, satellite measurements revealed that the global area polluted by artificial ...
Plants & Animals
Aug 26, 2021
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386
