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Spectrometer adds dimension to goniometric characterization of SSL lamps and luminaires
While photodetectors have long been used alongside goniometers to characterize light sources, Pasi Manninen and Mikolaj Przbyla explain that a goniospectrometer system enables collection of a more robust set of parametric data for LED-based products.
LED business news: Qualcomm completes CSR deal; GE loses in court; Zumtobel invests
In the latest LED business report, Bluetooth Mesh should get a boost with Qualcomm acquiring CSR, while Zumtobel plans major US move, and GE Lighting loses SSL IP judgment.
Plessey announces silicon-LED case study, die, and filaments
GaN-on-Si specialist retrofits its Plymouth manufacturing facility with light engines based on its LEDs while also announcing new LED die products and filaments for retro-styled SSL lamps.
DOE releases new research projecting LED lighting adoption in common applications
LED-based lighting was responsible for 143 tBTU in US energy reduction in 2014, although the savings could have hit 4896 tBTU had all general-lighting applications been converted to SSL.
Bridgelux to become CEC subsidiary, spin out Xenio smart lighting
LED maker Bridgelux will get closer ties with existing supply-chain partners after the planned acquisition by China Electronics Company, while the recently-announced, Xenio-branded, smart-lighting products will get a new corporate home.
Good intentions yield LED standard for flicker, but questions remain (MAGAZINE)
The Institute of Electrical and Electronic Engineers (IEEE) has published a new LED standard that addresses flicker in solid-state ighting - defining safe levels of flicker by percentage relative to the operating frequency of a light source powered by the AC line.
LED business news: Plessey gets UK grant, Everlight and Nichia continue IP battle
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.
Cree restructures LED business in face of mid-power onslaught by consolidating LED manufacturing
Lower component pricing trends will lead Cree to consolidate LED manufacturing operations while the company will focus on higher-quality products in its lighting business.
LED business news: Dow Corning IP, new funding, and Eaton management
In the latest LED business developments, patented silicone encapsulants will improve LED light output, while Eaton shuffles management and Aledia gets major investment for 3-D silicon-based LEDs.
Cree recalls recently launched fluorescent-replacement LED T8 lamps
Lamp recall affects 700,000 SSL products intended for fluorescent replacement and Cree will supply new LED T8 tubes beginning in July or offer refunds.