Select an option below to continue reading this premium story. Already a Honolulu Star-Advertiser subscriber? Log in now to continue reading. >> A large band gap means higher-energy photons, which in ...

The absolute internal quantum efficiency (IQE) of indium gallium nitride (InGaN) based blue light-emitting diodes (LEDs) at low temperatures is often assumed to be 100%. However, a new study from ...

There is little information on the effects of exposure to light emitting diode (LED) illumination on the welfare of laboratory animals. Nesfatin-1, a satiety-regulation peptide present in various ...

Forget harsh bleach—scientists have discovered that powerful blue LED light can erase yellow stains from sweat, food, and oils without harming delicate fabrics like silk. By harnessing oxygen in the ...

Water quantity and quality both play crucial roles in ensuring water availability and suitability for irrigation, yet the focus on water quality is often overlooked. With the growing urban population, ...

Call it the fifth generation of light—the availability of electric lights that promote health and well-being by automatically mimicking the natural cycle of light. They switch between blue-rich ...

The next time you look at the screen on your phone or the RGB on your keyboard, thank Shuji Nakamura, the inventor of the blue LED, who made it all possible and should have received way more ...

Developing the blue LED required decades of scientific innovation, overcoming challenges in semiconductor materials and light emission technology. This breakthrough reshaped modern electronics, from ...