R&D

Wireless Integrated Photosensor and Motion Sensor

08/01/2010

Lighting California's Future – Lighting controls systems are readily available in the market that turn lights off when spaces are unoccupied or when sufficient daylight is available. However, installing these systems involves new wiring or rewiring and can be an expensive proposition to retrofit existing buildings. Adura Technologies, in partnership with the California Lighting Technology Center, developed a wireless integrated photosensor and motion sensor system that communicates wirelessly through radio frequency to circumvent this issue. 

LD+A Research Matters: Relamping Retail

04/01/2013

LD+A – As retail stores make efforts to improve their sustainability and energy efficiency, a growing number are considering making the switch to directional LED replacement lamps. Compared to traditional halogen or incandescent sources, LED alternatives are about 75 percent more energy efficient, on average, and they last up to 25 times longer, but efficiency and long life are not enough. 

LD+A Research Matters: From Walls to Walkways

11/01/2012

LD+A – The University of California, Davis, unveiled one of the most advanced outdoor lighting systems in the country this past June. Dubbed the Adaptive Campus Control System, it integrates over 1,600 individually addressed, dimmable LED luminaires with various applications – streetlights, wall packs, area lights, and post tops – into an advanced, wireless lighting controls network.

The Arrival of LED

09/01/2011

High Performing Buildings – The drive for building efficiency is creating innovative technologies that are finding their way into marketplace. This new feature in HPB magazine showcases the applications and capabilities of technologies in real projects, and also recognizes the providers of some of the innovative products.

LD+A: The Chinese Connection

11/01/2010

LD+A – Michael Siminovitch’s mental agility compels him to poke, probe and push boundaries. As the director of the California Lighting Technology Center (CLTC) and a professor in the University of California Davis design program, Siminovitch is responsible for researching and developing cutting-edge residential and commercial lighting technologies.

LD+A Research Matters: HDR Imaging

11/01/2010

LD+A – High dynamic range (HDR) imaging, originally developed and used for research purposes, now is becoming a consumer term as several consumer cameras and even mobile phones, such as the latest version of the iPhone, include some form of HDR capabilities, mainly for improved photography. As digital cameras and software become mainstream, so does the consideration of HDR imaging in lighting practice, pointing away from using workplace illuminance as a sole determining metric for design. 

LD+A Research Matters: Taking the Long View on LED Street Lighting

07/01/2010

LD+A – Concerns about energy efficiency, coupled with a growing awareness of climate change, have renewed our national interest in reducing energy use and the associated carbon footprint. The understanding is that this investment will achieve deep and sustained energy savings in infrastructure for our public spaces. One target is re-lighting municipal roadway applications, focusing on the ubiquitous streetlight. 

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