Review Lpr Trends & Technologies for Future Lighting Solutions Sep/Oct 2015 | Issue 51
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www.led-professional.com ISSN 1993-890X Review LpR Trends & Technologies for Future Lighting Solutions Sep/Oct 2015 | Issue 51 Special: Zhaga’s Latest Books Tech-Talks BREGENZ: Andreas Weisl Graphene-Based, Spectrally Tunable, Flexible LEDs Measurement Uncertainty and Conformity EDITORIAL 4 Celebration 15-5-50 & Exclusive Zhaga Papers The numbers 15-5-50 stand for the three reasons we are celebrating this year; namely the International Year of Light 2015, the 5th anniversary of the LpS event in Bregenz and the 50th issue of the LED professional Review (LpR). After celebrating the publication of LpR issue #50 in August, we are now looking forward to the upcoming LpS 2015 event which will take place in Bregenz on September 22-24. The focus of the 5th LpS is on the trends and technologies for future lighting solutions. This year the program concentrates on the building blocks for smart lighting designs. A special Design-meets-Technology Day on September 22nd will bring architects, lighting designers and lighting planners together with experts from academia and industry. Closing the gap for understanding new technologies between these different groups could be essential for further progress because innovations are mainly driven from the directions of applications and technologies. The LpS 2015 will open with the keynotes from Professor Zary Segall from the Royal Institute of Technology in Sweden, Rogier van der Heide, Design and Marketing Officer at Zumtobel Group in Austria and Jy Bhardwaj, CTO at Lumileds in the USA. About 60 presentations are grouped into the following sessions: Light Quality, Connectivity & Security, Reliability & Lifetime, Standardization, Light Sources, Smart Controls & Drivers, Thermal Management and Optics. There will be 7 workshops which are meant to augment comprehension in the fields of Light Measurement, Optics, Thermal Management, OLEDs, Smart Controls, Light Mixing and Automotive Lighting. You’ll find the complete program as part of this issue. The combination of the numbers 15-5-50 also affects our view of the synergies between international lighting collaborations, lighting events and lighting publications. This view was corroborated recently when we announced our long-term strategic partnership with the esteemed Messe Muenchen, organizer of the electronica and productronica, to further strengthen and force Solid-State-Lighting topics on an international scale. I would like to take this opportunity to thank Managing Director Mr. Senger and Dr. Lechner and his team for establishing this partnership. As an exclusive highlight, this issue of the LpR includes the latest technical articles from The Zhaga Consortium including the latest information and updates on COB modules, Driver and Module Interfaces, Thermal Interfaces and LES Considerations. Thank you to Musa Unmehopa and Tim Whittaker for this rewarding collaboration! Further in this issue you’ll find articles about research in phosphor materials for COB modules, photometric considerations of light measurements, graphene based LED technology, chip-array technology for SMD packages, thermal management considerations of PCB designs and noteworthy facts about light-pollution. Have a great read. Yours Sincerely, Siegfried Luger CEO, Luger Research e.U. Publisher, LED professional Event Director, LpS 2015 Issue 51 | © 2015 Luger Research e.U. CATEGORYCONTENT OVERVIEW 6 COMMENTARY REGULARS Can We Have that, Please? - What We as a Manufacturer of Lamps are Looking For 04 EDITORIAL 08 by Axel Schmid, Ingo Maurer 08 COMMENTARY 10 PRODUCT NEWS TECH-TALKS BREGENZ 26 RESEARCH NEWS 34 EVENT NEWS Andreas Weisl, SSC Europe, Vice-President 42 36 IYL 2015 NEWS compiled by Siegfried Luger, LED professional RESEARCH 30 PRODUCT LAUNCHES AT LpS 2015 Al O Coated Europium-Activated Aluminum Silicon 48 2 3 38 LpS 2015 FINAL PROGRAM Nitride for COB LED Technology 110 ABOUT | IMPRINT by Nika Mahne et al., Graz University of Technology A Graphene-Based, Spectrally Tunable, Flexible Field-Effect Light-Emitting Device 58 by Xiaomu Wang & He Tiany et al., Tsinghua University QUALITY Measurement Uncertainty and Conformity Assessment in Photometry 70 SPECIAL: ZHAGA by Peter Blattner, METAS & European Association of Metrology Institutes Latest Books 90 written by various Zhaga members TECHNOLOGIES 78 Chip Arrays in SMD Packages - A New Class of LEDs by Ralph Bertram, Osram Opto Semiconductors 84 Mastering Thermal Issues in LED PCB Design & Laminate Selection by Martin Cotton, Ventec Europe SPECIAL: ZHAGA’S LATEST BOOKS Zhaga Evolves: Focus on Component Standardization Drives 91 New Book Development LEADING ARTICLE by Musa Unmehopa & Tim Whitaker, Zhaga Consortium 70 Measurement Uncertainty and Chip-on-Board LED Modules Standardized in Zhaga Book 12 96 Conformity Assessment in Photometry by Martin Creusen & Charles Knibbeler, Philips Lighting; Manfred Scheubeck, by Peter Blattner, METAS & European Osram Opto Semiconductors; Ingo Arnrich, BJB; Nico van Stiphout, Molex Association of Metrology Institutes 100 Light-Emitting Surface (LES) Concept Enables Comparison of Photometric Properties by Stefan Lorenz, Osram GmbH Zhaga Determines Thermal Fit of LED Light Engines and Luminaires 104 by Uli Mathis, Tridonic; Toine Staring, Philips Lighting DMI Specification Defines Electrical Interface between LED Drivers and Modules 106 by Arnulf Rupp, Osram ADVERTISING INDEX FUTURE LIGHTING SOLUTIONS 1 GLOBAL LIGHTING TECHNOLOGIES 22 UNDERWRITERS LABS 57 LUMILEDS 2 VOSSLOH-SCHWABE 23 REFOND 61 INFINEON 3 IMOS GUBELA 24 INPOTRON 63 DOW CORNING 5 FISCHER ELEKTRONIK 25 BARTHELME 69 DIGI-KEY 7 ELLSWORTH ADHESIVES 26 EDISON 73 LPS 2016 9 EUROLIGHTING 26 GRAFTECH INTERNATIONAL 75 ESCAT EC 11 KDG OPTICOMP 27 ALITE 76 SHINYU LIGHT 12 INFINEON WEBINAR 28 CREE 77 AUER LIGHTING 13 THE BERGQUIST COMPANY 29 IDEAL INDUSTRIES 81 ELECTROLUBE 14 DIGI-KEY 29 CERAMTEC 82 CARCLO 15 TE CONNECTIVITY 33 LED EXPO DELHI 83 FUHUA 16 LPS 2015 37 INTERLIGHT MOSCOW 87 LEXTAR 17 AUER LIGHTING 46 HKTDC (AUTUMN EDITION) 89 GL OPTIC 19 HONGLITRONIC 47 LUGER RESEARCH 109 VENTEC 19 FUTURE LIGHTING SOLUTIONS 51 LED PROFESSIONAL REVIEW 111 INSTRUMENT SYSTEMS 20 FUTURE LIGHTING SOLUTIONS 53 WAGO 112 LEDLINK 21 FUTURE LIGHTING SOLUTIONS 55 Issue 51 | © 2015 Luger Research e.U. 150730_IDEAS_LEDPR_EU.indd 1 7/29/15 2:46 PM COMMENTARYCATEGORY AXEL SCHMID 8 CAN WE HAVE THAT, PLEASE? WHAT WE, AS A MANUFACTURER OF LAMPS, ARE LOOKING FOR Many things have happened CRI. This can be found more Axel Schmid since the blue and the white and more, especially with LEDs Axel Schmid works as a LEDs were introduced to the meant for ambient light output. designer for Ingo Maurer market. It was, and still is, But for lighting a room for living, an exciting time for us as a you also need small and powerful GmbH, a company in manufacturer of lamps spotlights with narrow beam Munich, Germany. and light objects. angles and without multi They design, develop and shadows. This seems to be produce lamps, light objects Of course Solid State the field for flashlights, Technologies often tries to where output is the highest and interior spaces. substitute traditional light goal that subordinates the He studied industrial design technologies (and is doing quite quality of white. at the Staatliche Akademie well in some cases), but when der Bildenden Kuenste there are possibilities to make Or we want to modulate light in light broader - that’s where it a certain way, not predefined or in Stuttgart under starts to get interesting for us. specified. Rigid systems spoil Prof. Klaus Lehmann and We appreciate the small form the varieties, modular set-ups Prof. Richard Sapper. factor of LEDs and the thinness help to adjust and fine-tune After his graduation he of OLEDs, for example. But often the outcome. the design of structures and received a scholarship for necessary components diminish So in the end, even when the Japan from the German the advantages, e.g. a heat sink, supplier market gets bigger and Industrial Design association that adds volume to the back of broader, we still have to watch VDID. He has received an LED. It makes sense to find a what’s going on at the cutting classification and standardization edge of SST developments, various awards, one of so that development time is not be alert and constantly willing which was the Bavarian wasted but where diversity isn’t to tinker (in its best sense) and State Award for young eliminated. It is compulsory in experiment. In addition to that, designers. One of his a competitive market to focus we’re always happy to find a on sales figures and listen to supplier to team up with for designs for Ingo Maurer the needs of the masses, development and customization is part of the permanent but we need to save the (having a stake in big ideas collection at the niches and extremes. rather than in big amounts). Museum of Modern Art In a sense this also applies to And of course one is never in New York City. technical data, which improves satisfied. As soon as the next continuously but still has a innovation is introduced, our long way to go. imaginations are captured. It is indeed an exciting time Because we generally produce for us and will continue to be light fixtures for residential so in the future. spaces, we always seek a high A.S. Issue 51 | © 2015 Luger Research e.U. NEWS PRODUCTS 10 Osram Presents New The launch of the “Brilliant Color” and the Giuliano Cassataro, Plessey’s VP Global Soleriq S 19 Version CRI 80 and CRI 90 versions is scheduled for Sales, said, “We are seeing a definite move mid of August 2015. The Soleriq S 19 with away from discrete PLCC designs, especially with Higher Efficacy CRI 70 will be available by the end of the in the higher power applications. By having Osram Opto Semiconductors complements year. The certification process based on the our own growth and semiconductor its Soleriq S 19 portfolio: The new “Brilliant LM-80 standard (Energy Star) is in progress.