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Technologies | Smart Lighting + IoT | Feb 06, 2018

Fraunhofer IIS IoT-Bus: The Secure Communication Bus - Not Just for Lighting

Fraunhofer IIS IoT-Bus: The Secure Communication Bus - Not Just for Lighting The Fraunhofer Institute for Integrated Circuits IIS is developing the IoT-Bus with IPv6 support and integrated security concept. It is a communication bus based on EIA/RS-485 and the IEEE 802.15.4 standard, which enables a secure and reliable data transmission of measured values and control commands and connectivity to the Internet of Things. The IoT-Bus forms a cross-media communication protocol and unites the two worlds of WPAN and fieldbuses without complex protocol conversion. The novel technology IoT-Bus is developed as part of the SEEDs project. Read more »

Technologies | Smart Lighting + IoT | Apr 05, 2016

The “Internet of Light” – the Key to the “Internet of Things”

Grafik_IoT_300dpi.jpg The Internet of Things is the next industrial revolution. As a specialist for innovative lighting components and systems, Tridonic is convinced that lighting will play a decisive role in the Internet of Things (IoT). Therefore, Tridonic developed the toolbox net4more which will not only connect luminaires with each other, but deliver an added value that goes far beyond lighting. Where do we stand today? Read more »

Technologies | Smart Lighting + IoT | LiFi | Feb 10, 2016

Apple Experimenting with Ultra Fast Light-Based Li-Fi Wireless Data for Future iPhones

Apple Experimenting with Ultra Fast Light-Based Li-Fi Wireless Data for Future iPhones Recent versions of iOS have been found to contain references to Li-Fi, an experimental high-speed wireless networking protocol that uses pulses of light to transmit data and is being marketed as a long-term replacement for Wi-Fi. Read more »

Technologies | Luminaires | Outdoor Applications | Nov 26, 2015

Gunshot Detection for Lighting Fixtures

GE LED Lighting for Intelligent Cities Cities and their emergency responders will soon have a new way to deploy gunshot detection technology and be able to respond to incidents and react faster to protect their residents. A memorandum of understanding (MOU) between GE Lighting and SST, Inc., developer of the ShotSpotter™ crime detection and location suite, lays ground to embedding sophisticated ShotSpotter technology into GE’s intelligent LED street lights. Read more »

Technologies | Electronics | Oct 06, 2015

µModule LED Driver Integrates All Circuitry, Including the Inductor in a Surface Mount Package

Only 9 x 15 x 4.32 mm, the LTM8040 LED driver is a complete system in an LGA package David Ng, Module Development Manager at Linear Technolgies, explaines the features of a compact step down DC/DC module for distributed LED power supplies in a DC grid that offers high efficiency, a wide dimming range, and a current range from 35 mA to 1 A. Read more »

Technologies | Electronics | May 27, 2015

Power Conversion Efficiency - Key for Stand-Alone Solar Powered Lighting in Nordic Regions

A sophisticated driver design and controls system is the most relevant component for a truly efficient power conversion enabling the use of stand-alone solar powered lights in the Nordic regions even in winter time Stand-alone solar powered lighting solutions are made possible even in the Nordic region through a new, ground-breaking Danish project. An ideal collaboration between scientists from 4 different fields and private companies has succeeded in creating a system and a methodology that makes the impossible possible: Outdoor solar lighting which is not just a decoration. Read more »

Technology | May 04, 2015

Configuration Via the Mains: Simple, Reliable and Professional

Figure 1: The ready2mains programmer makes the configuration of the ready2mains drivers an easy task As the heart of any LED luminaire, the LED driver not only has to meet strict requirements in terms of quality and reliability but also be flexible enough to adapt to different conditions. ready2mains – a new technology from Tridonic – helps enormously. The article explains what is needed and how it works. Read more »

Technologies | Engineering | Systems | Mar 21, 2014

Not Just Light Generation - Xicato Calls It "Internet of Lights" or Lighting 2.0

Key properties and features of Lighting 2.0 and the Internet of Lights Xicato, in cooperation with Echelon will demonstrate a new integrated controls approach. What Xicato understnds when saying "Internet of Lights" is already explained shortly on their website. If you are interested in topic like this, don't miss LpR 43. Read more »

Technologies | Electronics | LiFi | Jan 14, 2014

Enhanced Data Transmission for Li-Fi Communications using LED Lighting

Experimental set-up of a Li-Fi receiver Despite continuous improvements in wireless communication technology, e.g. 3G, LTE, 4G etc., a looming crisis is anticipated due to a lack of sufficient radio frequency bandwidth to support the growth in demand for data transmission, in the so called “Spectrum Crunch”. Visible Light Communication (Li-Fi) offers an economical solution. LED lighting is now widely deployed and can, in parallel with its primary function, also be used for wireless communication. Li-Fi demonstrates significant improvements in security, safety and capacity over radio frequency communication, and ease of deployment as compared with fibre-optic cable. The LED link is untethered, enables links with many mobile devices, and is independent of any one host. Improvements to the data rate achievable using LEDs as the transmitter allows services based on Li-Fi concept to outperform other communication modes. Read more »

Technology | Sep 05, 2013

Researchers from Hong Kong Polytechnic University Propose Multi-Level PWM To Improving LED System Efficiency

The award winning high-efficiency technology can be applied in many areas, like LED billboards, and promises up to 15% energy saving LED light bulbs can be brighter and more energy efficient than ever, thanks to a high performance LED driver newly developed by researchers from the Department of Electronic and Information Engineering. Read more »

White Paper | Technology | Aug 28, 2013

PI's New Reference Design, DER-350 for PAR38 LED Spotlight, Promises Excellent Dimming Performance with TRIAC Dimmers

Power Integration DER350 schematic (top) and the populated circuit board photograph (left: Top View; right: Bottom View) Power Integrations, the leader in high-efficiency, high-reliability LED driver ICs, today announced a reference design for a dimmable PAR38 spotlight, developed in collaboration with Cree, Inc., a leading LED lighting company. The new reference design, described in DER-350, uses Power Integrations’ new LYT4317E, a member of the company’s LYTSwitchTM-4 family of single-stage drivers, along with Cree’s MT-G2 EasyWhite® LEDs. Read more »

Technology | Jul 18, 2013

LDS Process Allows for New LED Lighting Product Layouts

A metallic based prototype body equipped with LEDs and the laser activation step of the LPKF-LDS technology process Due to technical progress with LEDs, ever more luminous semiconductors are coming onto the market. However, in order to replace the conventional light bulb, there are still some obstacles to be faced. One of them is now being overcome: MID technology and laser direct structuring are being presented with interesting new concepts at the “International LED professional Symposium.” Read more »

White Paper | Technology | Feb 27, 2013

PI's New LED-Downlight Reference Design Achieves High-Performance Dimming While Further Reducing Component Count

PI's new reference design optionally includes active pre-load, for improved dimming, and thermal fold back circuits Power Integrations, a world leader in high-efficiency, high-reliability LED driver ICs, today announced RDR-347, an LED-downlight reference design. The new circuit demonstrates the capabilities of the recently launched LYTSwitch™ IC family, which offers the industry’s best high-end dimming performance from a single-stage LED driver– together with all the associated efficiency, space and cost benefits that the single-stage approach brings. Read more »

Technology | Jan 10, 2013

Dimming with Warmer, Cozier White Light - NXP Transforms LED Color Quality

“Sensorless sensing” technology enables accurate correction of temperature effects on LED performance, improving light quality while reducing costs When comparing LEDs to incandescent light bulbs, there is a noticeable difference in light quality: LED lamps when dimmed are perceived to be “colder” than incandescents. At CES 2013 this week, NXP Semiconductors (NASDAQ: NXPI) is demonstrating a groundbreaking solution that allows LED lamps to closely mimic the traditional incandescent light bulb, to produce a warmer, cozier white light as they are dimmed. Featuring “sensorless sensing” technology, developed and patented by NXP, this solution also has the advantage of driving down LED system costs by eliminating external temperature sensors, reducing the size of the heat sinks required for LED system cooling, and significantly improving reliability. Read more »

White Paper | Technology | Dec 19, 2012

New LED-Lighting Driver Design from Power Integrations Delivers Long Lifetime and High Efficiency

Power Integrations reference design DER-340 is the first choice when a long lifetime is required Power Integrations, the world leader in high-efficiency, high-reliability LED-driver ICs, today announced a new long-lifetime LED-driver reference design. DER-340 describes a wide-range (90 VAC to 308 VAC), high-power-factor LED-driver power supply that is suitable for high-bay, exterior and street-lighting applications. Read more »