Living bacteria embedded in silicone can absorb green LED light and re-emit it as red, offering a potential sustainable alternative to rare-earth phosphors in lighting.

Ultraviolet-B (UV-B) semiconductor lasers are highly sought for medical, biotechnology, and precision manufacturing ...

It turns out the "10-year lifespan" printed on your LED box is often a total fantasy. I spent years falling for the marketing, only to end up standing on a ladder every six months replacing bulbs that ...

I've completely swapped my home over to LED lights, and for the most part, I love it. The energy savings are real, and I'm a sucker for all the smart color changing tes. But my biggest grievance is ...

Light-emitting diodes (LEDs) have become integral to modern automotive headlamp design, combining enhanced energy efficiency, durability and sophisticated beam management in a compact form. Owing to ...

Now researchers in Japan have reported the world’s first continuous-wave UV-B semiconductor laser diode operating at room temperature on a low-cost sapphire substrate. This breakthrough by researchers ...

Luminescent materials and devices have garnered significant attention due to their wide-ranging applications in fields such as display technologies, bioimaging, and sensors. These materials, which can ...

If you’ve stumbled into red light therapy videos on social media, you’ve probably heard that it clears acne, reduces wrinkles, reduces inflammation, and heals joints. You may have also heard that it ...