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LED professional Review (LpR) Subscription
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LpR Digital Magazine - Free Trial Version + digital (pdf) version to download (latest issue) + view-only (not printable), private use + use the subscription field on the right hand side. Fill in Your Name & Your E-Mail >>> LpR Digital Magazine - Full Version - Annual Subscription + digital (pdf) version to download with high resolution pictures and graphs + printable, commercial use + 6 issues per year, 78.80 Euro (annually) + free access to all digital LpR back issues 
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LED professional Review (LpR) LED / Solar Systems
July / August 2008 Ad order Deadline: July 11 Material Deadline: July 18 Publication: July 31
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LED professional Review (LpR) International Fairs Synthetic Jet Technology Photonic-Lattice Technology
May / June 2008
Application Forethoughts on LED Breakouts in Signage by M. Nisa Khan, Ph.D., LED Lighting Technologies (p16) Integrated, Exergy-Efficient Office Solution Requires LED General Lighting by Dr. W. Werner, Dipl. Ing. F. Theßeling, Prof. Dr. H. Leibundgut, ETH Zürich (p18) Technology Photonic-Lattice Technology by Christian Hoepfner, Luminus Devices (p20) Evolutionary LED Packaging for Increased Flux Density by Jason Posselt, LedEngin Inc. (p24) Driver Parallel LED Luminous Flux Variation by Ed Wenzel, STMicroelectronics (p28) Low Noise in LED Driver Circuits by Roger Alm, Melexis (p30) Designing with High Efficient LED Driver for LED Lighting by Chih-Yu Wu, Macroblock (p33) Comparison Between Continuous (DC) and PWM LED Driving Modes by Laurent Massol, Arno Grabher-Meyer and Siegfried Luger, LED professional (p34) Thermal Management An In-Depth Look at Active Cooling Thermal Management: Synthetic Jet Technology by Mick Wilcox, Nuventix (p36) |
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LED professional Review (LpR) LpR - Light + Building, Special Edition
March / April 2008
Application LED-Systems in Shoplighting by Andreas Siegmund, OSRAM GmbH Interview with Jason Bruges - Jason Bruges Studio by Siegfried Luger, LED professional Interview with Klaus Vamberszky - Zumtobel Lighting by Siegfried Luger, LED professional Technology Discontent Led to Lumiramic Phosphor Technology by Steve Landau, Philips Lumileds Improvements in Solid State Lighting III-V Semiconductor Production by Dr. Rainer Beccard, AIXTRON AG Optic Optics design for Colour Mixing LEDs by Dr. Andreas Timinger, OEC AG Driver High Efficiency 200W LED Ballast by Dr. Michael Weirich, Fairchild Semiconductor GmbH Driving RGB High Power LEDs by Ulrich Kirchenberger and Pavel Koutensky, STMicroelectronics High-Brightness-LED Control by Peter Green, International Rectifier Module Improved LED Modules for General Lighting Market by Christoph Cox, VS-Optoelectronic |
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LED professional Review (LpR) LpR - Colored LED-Systems
January / February 2008
Application High Tech for Time Square’s New Years Eve Ball by Jason Harris Koonce, e:cue Lighting Control Characterization Visual Perception Issues of LED Applications by Ingrid M.L. Vogels, Pieter J.H. Seuntiens and Dragan Sekulovski, Philips Research Europe Measurement of LEDs by Yoshi Ohno, Cameron Miller, and Yuqin Zong, National Institute of Standards and Technology Technology High Performance Multi-Color LEDs in Chip-On-Board Technology by Oliver Kückmann and Jörg Hannig, PerkinElmer Elcos GmbH White Light LED Technology with Increased Efficiency and Variable CCT by Erwin Baumgartner, Lumitech GmbH LED Binning: A Process to Watch by Joe Mazzochette, Lamina Methodology TRIZ Introduction by Siegfried Luger, LED professional |
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LED professional Review (LpR) LpR - Thermal Management
November / December 2007
Applications Thermal Management for LED Luminaires, by Dr. Keith Bahde, Gallium Lighting Systems Technologies Challenges Still Linger for Mainstream White LEDs, by Dr. Nisa Khan, Ph.D., Optpelectronic & SSL Technologist Drivers & Controls LED Lighting Control Systems: The Next Generation of Lighting, by Abhay Gupta, Echelon Corporation Thermal Management Thermal Management in High Power LED Systems, by Paul Scheidt, CREE Thermal Management of LED Technology in Applications, by Rainer Huber, Osram Opto Semiconductor GmbH High Power LED Thermal Modeling and Effect of Thermal Interface Materials, by Oon Siang Ling, Avago Technologies Direct Copper Bonded Ceramic Substrates for Use With Power LEDs, by Dr. Jürgen Schulz-Harder and Alfred Dehmel, Electrovac curamik Synthetic Jets for Active Cooling of LEDs, by Mick Wilcox and Lee Jones, Nuventix Inc. Insulated Metal Substrate for Maximum Brightness and Lifetime, by Nico Bruijnis, The Bergquist Company Thermal Simulations for LED Applications, by Dr. Johannes Adam, Flomerics Ltd. |
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LED professional Review (LpR) LpR - LED technologies & LED drivers
September 2007
Applications LED Luminaries for General Illumination, by Dr. Wilfried Pohl, Bartenbach Lichtlabor Technologies LED Data Sheet comparison, by Arno Grabher-Meyer, LED professional Light Extraction Boosts Efficiency of Vertical Light Emitting Diodes on Metal Alloy Substrate, by SemiLEDs Corp Drivers How linear LED driver IC’s can make it irresistible to replace resistor biasing, by Joachim Glaeser, Hakan Yilmazer, Infineon Technologies AG Next Generation LED Area Lighting, by Bernie Weir and Frank Cathell, ON Semiconductor Innovative Analog Control Technologies for Mainstream LED Lighting Market, by Andy Aaron and Jeanette Jackson, Light-Based Technologies Inc. Solving high-voltage off-line HB-LED constant-current control-circuit issues, by Giovanni Carraro, International Rectifier Sensors Improved LED systems with true color sensors, by DI (FH) Fredrik Hailer, MAZeT GmbH Trends of Engineering System Evolution Ideality, by Siegfried Luger, LED professional |
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LED professional Review (LpR) LpR - LED Driver
June 2007
Content: - Editorial, S. Luger - Product & Research News - Recent developments in white phosphors; R.J. Arthley - Driving LEDs - A real challenge, A. Grabher-Meyer - Colour compensation, T. Schielke - Adding intelligence to LED lighting systems, S. Bowling - What's the favourite colour?, S. Bramble - Low cost power supply for High Power LED application, M. Weirich - Next generation MR16 LED lamps powered by driver IC, D.F. Weng & M. Nalbant - LED lamps require power conversion ICs to meet EMC and quality standards, S. Fimiani - Trends of engineering system evolution: S-curve analysis, S. Luger |
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LED professional Review (LpR) LpR - White LEDs
March 2007
Content: - SSC upgrades design and improves brightness of Acriche by 20% to 48 lm/W - First Domponents presents the industry's brightest single-chip LED with 250 lumens - New EZBright 700 power chip broadens Cree's high performance chip platform - New super bright LED light source from Osram Opto Semiconductor - Philips Lumileds shatters 350 mA performance records with 115 lm/W LED - Panasonic develops White Color Power LEDs by employing GaN Substrates - Rensselaer researchers create world's first ideal anti-reflection coating - Philips LED technology solves efficiendy losses at high drive currents - LEDs for use in downlights - White LEDs and Modules for General Lighting - Lifetime of White LEDs - Efficacy and colour impression of White LEDs - White LED Manufacturers - Trends of Engineering System Evolution
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