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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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