LED Engin is to reveal details of an LED that dims like a halogen bulb, reddening as its output drops, at Light+Building in Frankfurt (15 – 20 April), writes Steve Bush.
Here in one neat package is our collection of key LED lighting articles, covering white LEDs, coloured LEDs, OLEDs, LED Optics and Lighting LEDs…
Bridgelux has released an LED family with a colour rendering index of 97, writes Steve Bush.
Just so ever slightly creepy, maybe – but a bit of fun to highlight on a Friday. Yes, it’s an LED Chameleon. Or Chameleon LED…
In conjunction with our 50th anniversary issue, Technology Editor Steve Bush has produced a history of the LED.
Osram has stacked two die to produce almost 1W of infra red light from an LED, writes our technology editor, Steve Bush. “With its 1mm2 thin-film chip stack, at a driving current of 1A it generates almost twice the output of the standard chips that have been used up to now,” claimed Osram.
Our Technology Editor, Steve Bush, got on the case to dig further into this work. Make sure you read the resulting article – Voltage tunes OLED across all sunlight hues.
An interesting OLED development to note – from EDN’s Technical Editor Margery Conner’s PowerSource blog