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Editorial Preview: LpR 56 | July/Aug 2016
Planned Topic* Description Keywords - Content

"Best Paper" at LpS 2015
Research

Quality of LED Lamps for Residential Lighting in the European Market and Associated Health Issues

Due to shortfalls regarding consumer information for high quality energy efficient substitute products for incandescent lamps, significant irritation among buyers and a negative attitude towards LEDs has been enforced. This negative perception has been further amplified by the fact that low quality products are still flooding the market. More than 370 lamps and 95 different types were tested. The results and some aspects of photo biological safety (blue light risk) of LEDs are disclosed.
luminous flux, luminous efficacy, correlated colour temperature, colour-rendering index, chromaticity tolerance, lamp spectrum, photometry and light flickering, absorbed power, EEI value, power factor and total harmonic distortion
Tech-Talks Bregenz:
Interview

Francis Wong, Ass. VP Lighting Business Division, Lextar Market & Sales Business Group

Lextar is one of Taiwan’s biggest manufacturers of LED Epi, Chip, Package, Light Module and Lighting Products. This innovative company has a fast growing number of patents and patent applications. Mr. Wong answered questions concerning the company’s view on different topics like HCL and IoT, their business strategies and core technologies.

LED chips, CSP, packaging,
product quality, light quality, HCL, IoT, market and business strategies, requirements for BLU vs. lighting vs. automotive, innovation,
Research:
Flicker & Health

Flicker Beyond Perception Limits

Since the introduction of fluorescent lamps, the lighting industry knows about flicker issues. However, many aspects are still unclear. Effects beyond the flicker fusion threshold are mostly ignored and sometimes even denied. The article gives a summary of research results indicating that further research is needed and that for high quality lighting a much higher modulation frequency is very likely required.
Flicker, flicker fusion frequency, high frequency flicker, perception, health issues
Technologies:
Electronics

Concepts to Overcome Lifetime Issues of LED Drivers

In recent years, after a century of little to modest advancements, lighting technology has changed significantly. LED luminaires offer advancement in lower power consumption and expected life. However, if attention is not paid to the drivers and power supplies used to power LEDs, this new technology will also lower life and reliability expectations. The main components affecting lifetime are known but how to eliminate them or design a product that will achieve the desired lifetime is not easy. This article shows how to get the best possible solution.

Components, product design, topologies, electrolytic capacitors, component specifications

Special:
Medical Applications

Fiber Optics Technology for Medical Applications

Often technologies that are too expensive for the mass market are adopted in medical applications. When reaching a certain level of maturity, costs usually become more reasonable and adaptations for the consumer market begins. Fiber optics technology could become one of these technologies. The technology and its prerequisites are discussed in this article.
Fiber optics, LED incoupling, competing technologies, lumen density, efficiency
Special:
Recycling & Sustainability

LED Lamps Recycling Technology for a Circular Economy

While having a long propagated lifetime, LED lighting products, especially lamps, have a foreseeable end of life. Because the products contain valuable resources, environmental concerns ask for them to be recycled. As with other highly integrated electronics products this is not a simple task. A method that could open the way to the successful recycling of precious components and materials is presented and discussed.
Recycling methods, ressources, components, environment


Product ads gain maximum impact when placed with the corresponding editorial theme! The editorial topics mentioned above are special features among a wide range of topics impacting the LED industry. Every issue also covers the latest industry news, technological breakthroughs, state-of-the-art products, and much more...

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EDITORIAL

3-Pad LED Flip Chip COB by Flip Chip Opto

3-Pad LED Flip Chip COB by Flip Chip Opto Wafer level packaging and flip chip design are the most recent trends in LED manufacturing and packaging. These LED types are perfectly suited for producing COB modules. This combination already promises better thermal performance than standard SMD package based products. However, there is still ... Read more »

EDITORIAL

LFI 2016 Touts LED Lighting and Digital Control Technology Transformation by Dr. Nisa Khan

LFI 2016 Touts LED Lighting and Digital Control Technology Transformation by Dr. Nisa Khan The 27th Annual LightFair International (LFI) conference was dominated by LED lighting coupled with internet-based control via wireless networks that continues to proliferate in today’s world. The world is increasingly becoming drenched with Internet of Things (IoT) discussions, demonstrations and ... Read more »

EDITORIAL

Inteligent LED Lighting System for Efficient Parking Concepts

Inteligent LED Lighting System for Efficient Parking Concepts Lighting plays a key role in parking management in two important aspects: the cost, including consumption and maintenance, and users experience, which results in customer’s loyalty. That’s why LED lighting is a key technology for parking lighting because it gets a better lighting for each parking ... Read more »

EDITORIAL

Luger Research Organizes a One-Day Innovation Workshop with Prof. DDr. Sergei Ikovenko (M.I.T. USA) in Dornbirn, Austria

Luger Research Organizes a One-Day Innovation Workshop with Prof. DDr. Sergei Ikovenko (M.I.T. USA) in Dornbirn, Austria At the 17th of June 2016, Prof. DDr. Sergei Ikovenko, a global leader in systematic innovation, will explain the key strategies for innovations at the Hotel Martinspark. Successful companies like Samsung, Philips, General Electric and Intel have attended Prof. Ikovenko’s workshops before. This is a ... Read more »

EDITORIAL

230 VAC Driven LED Modules with Strongly Reduced Flicker, by euroLighting

230 VAC Driven LED Modules with Strongly Reduced Flicker, by euroLighting One of the continuing trends in LED lighting is toward AC driven LED modules. Big progress has been made regarding dimmability and reduction of flicker. However, there are still differences in the various concepts that lead to very different results. Wolfgang Endrich, founder and managing director ... Read more »

EDITORIAL

Tridonic's New Generation for Greater Flexibility: The CLE Quadrant G2 ADV LED Module

Tridonic's New Generation for Greater Flexibility: The CLE Quadrant G2 ADV LED Module The new generation of the LED modules CLE Quadrant G2 ADV (Advanced) now offers even greater flexibility for luminaire manufacturers for round ceiling and pendant luminaries. High efficiency and a high luminous flux are now not just available optionally but can be combined in a single module. Read more »

EDITORIAL

White Hybrid Light-Emitting Diodes: A Plausible Solution for Commercialization and Health Issues, by the University of Erlangen-Nuremberg (FAU)

White Hybrid Light-Emitting Diodes: A Plausible Solution for Commercialization and Health Issues, by the University of Erlangen-Nuremberg (FAU) One of the challenges in terms of commercialization of white LEDs is the need for cheap, inorganic phosphors. In this context, hybrid LEDs have recently emerged as a new approach based on downconverting organic coatings. The authors, Pedro B. Coto from the Institute for Theoretical Physics, Marlene ... Read more »

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