2009-07-29

Philips Lumileds' New Nitride Phosphor Closes Yellow LED Gap

Researchers with Philips Lumileds have developed a monochromatic nitride diode that closes the yellow light-emitting diode (LED) gap. The phosphor-converted (PC) amber LED demonstrated by Regina Mueller-Mach and her colleagues uses the down-conversion of blue light from an indium-gallium-nitride (InGaN) LED to longer-wavelength light by a phosphor, in a variation of a well-established process for producing cold or warm white light from blue LED light.
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The Fighting Illini turned to Daktronics (NASDAQ-DAKT) of Brookings, South Dakota, to design, manufacture and install the largest main video display in college football, totaling 17,300+ square feet. The project includes 16 LED displays that c... READ MORE

Since January 1, 2026, drivers in Spain have been required to carry certified V16 warning lights on expressways and highways, which are directly connected to the traffic authorities when in use. With the LEDguardian ROAD FLARE Signal V16 IoT, ... READ MORE