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LEDS, Light, Smoke and Sound

Giles Humpston, Applications Manager
Cambridge Nanotherm

LEDs and tungsten filament bulbs have two things in common. First, they convert electricity into light.  While neither technology is particularly good at this task, LEDs do at least manage to achieve around 40 percent electrical-to-optical conversion efficiency compared with about 5 percent for a traditional Edison light. In both cases the energy wasted appears as heat. Filament bulbs shed the heat by radiation and convection, while for LEDs the heat is removed by conduction through to a heat sink. MORE

Three Ways to Drive LEDs in an Increasingly Colorful World

Paul Golata, Mouser Electronics

In the era of low-power LEDs – when these electroluminescent chips could deliver little more than the glimmer from a glow worm – red LEDs dominated. We used them as status indicators in electrical and electronic equipment, sometimes employing a string of them to indicate relative levels. As materials science and the design LEDs and their substrates progressed, we found ways to create different color LEDs, to dissipate heat from the chips more effectively and to drive the devices to ever-higher power levels. MORE

blogs
Infrared LED Global Revenue is Growing Faster than Overall Infrared Components
Kyulux, Inc. Announces License of Harvard Deep Learning Artificial Intelligence Platform for OLED Development
IHS Markit Releases Ranking of Top LED Suppliers
Tech
EarthTronics Introduces a High Power, Efficient 17-Watt PAR38 EarthBulb
Eaton Expands its LED Floodlight Family
GlacialLight Releases Dimmable 35W LED Ceiling Feature Light
Tech
Tunable White System from Philips Lighting Simulates the Benefits of Natural Light
GlacialPower Announces 100 Watt LED Driver For Signage And Strip Light Applications
Inventronics Releases Upgraded 60W Slim Programmable IP20 Dali LED Drivers with Dim-to-Off function
Tech
SCS Energy Solutions Retrofits Maverick Baseball Field With LED Lighting
Cree IG Series LED Lighting Delivers Better Light and Healthy Savings to Reston Hospital Center
LEDs Fuel Ultra Accurate Indoor GPS System
Tech