Gen 2 Luxeon COB Core Range LEDs increase performance in the same footprint as the first round of Lumileds COB LEDs, enabling development tradeoffs in performance relative to source size.Lumileds has announced the second-generation Luxeon COB (chip-on-board) Core Range of packaged LEDs that deliver   Read More>

Plessey, Aixtron, and Bruker will use a UK grant to pursue GaN-on-Si LEDs on 200-mm substrates, while Nichia attacks Everlight in German Court, and Oxford Instruments announces PECVD sale to Chinese LED maker Enraytek.Plessey Semiconductors has announced that it will work with Aixtronand Bruker Nano   Read More>

The objective of this paper is to obtain the spectrum of light-emitting diode (LED)-based jaundice photodynamic therapydevice (JPTD), the bilirubin absorption spectrum in vivo was regarded as target spectrum. According to the spectralconstructing theory, a simple genetic algorithm as the spectral ma   Read More>