One LED produces four stable colors at room temperature

Full-color displays normally require separate red, green and blue light emitters. A team from the University of Osaka and ...

First electrically pumped perovskite polariton laser diode solves a decades-long challenge

Resolving a long-standing problem in semiconductor physics and optoelectronics, a team of researchers from Skoltech—a VEB.RF ...

New Semiconductor Device Turns Light Into a Directed Current

With support from the U.S. National Science Foundation, the researchers used two colors of light to produce an organized flow of electrons through a semiconductor. They could also change the direction ...

REXEL : Q2 sales & H1 2026 results

Q2 sales & H1 2026 Results Sales growth acceleration in Q2 across geographies Adj. Ebita margin up c. 40bps, reaching 6.2% in H1 262026 ...

Daytime Running Lights Are Not The Same As Headlights – Here's When To Use Them

Using your daytime running lights may seem like an extra step between headlights on and off, but they're actually an important part of daily driving safety.
IEEE

Single-Phase LED Drivers With Minimal Power Processing, Constant Output Current, Input Power Factor Correction, and Without Electrolytic Capacitor

Abstract: High-power light-emitting diodes (LEDs) having properties of high luminous efficacy and long life span are becoming a major light source for general illumination. To fully utilize the ...