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Editorial Preview: LpR 55 | MAY/June 2016
Planned Topic* Description Keywords - Content

"Best Paper" at LpS 2015
Research

Luminescent Glasses and Glass Ceramics for White LEDs

The latest High Power LEDs with massively increased energy density call for light conversion concepts that can resist vast strain. Luminescent glasses or glass ceramics could be the solution due to their high thermal and chemical stability. The article presents rare-earth doped glasses, their potential application as photon converters for SSL, and shows how color coordinates of double-doped glass can be varied.
light conversion, materials, glass and ceramics technology
Tech-Talks Bregenz:
Interview

Dr. Biing-Jye Lee, CSO, Epistar Corp.

Epistar is Taiwan's largest pure LED chipmaker offering some very exclusive chip designs and concepts. In 2015, Epistar bought all TSMC Solid State Lighting shares strengthening its position as a technology leader in LED chip manufacturing. Epistar also operates the Epistar Lab doing research on related technologies like "GaN IC drivers" for DoB. LED professional talked with Dr. Biing-Jye Lee about Epistars' strategies, technologies, and market position.

Epitaxy technology, LED chips GaN-on-Si, GaN-on-Sapphire, GaN-on-GaN, GaN power devices, market and business strategies
EVENTS:
Light + Building

Light + Building Post-Show Report: Top 5 Noteworthy Observations at the Show

The most important lighting event in 2016 has closed its doors. The lighting community’s expectations were high because topics like IoT, Smart Lighting and HCL were already hot before the event. Readers will find out if expectations were met.
LEDs, OLEDs, HCL, IoT, drivers, optics, systems
Technologies:
Thermal Management

Cost and Performance Optimization of Thermal Management Solution for High Power LEDs

The LED industry has a challenge. General lighting requires very bright LEDs that can replace incandescent and halogen lights. Manufacturers need efficacy, cost and manufacturability to be “just right” but most leading solutions, especially in thermal management, are short of the mark. The article discusses ways to combine performance with reasonable costs and good manufacturability.

thermal requirements, thermal materials, performance, costs

Manufacturing:
Thermal Interfaces

Dosing of Abrasive Fluids in Manufacturing LED Lighting Products

Many manufacturing processes need very accurate dosing. One such dosing process concerns abrasive fluids with metallic, ceramic or organic content for thermal management. On the one hand, inappropriate dosing my cause reduced performance and reliability. On the other hand, a waste of material results in increased costs. The article discusses these aspects and shows technologies to avoid these issues.
Thermal interfaces, dosing, performance, reliability, costs, methods
Special:
Flicker

Flicker Beyond Perception Limits

Since the introduction of fluorescent lamps, the lighting industry knows about flicker issues. However, many aspects are still unclear. Especially 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 very likely a much higher modulation frequency is required.
flicker perception, visual performance, health & well-being, technical issues


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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FEATURED

LIFUD ZigBee Smart LED Drivers and ZigBee Convertors

LIFUD ZigBee Smart LED Drivers and ZigBee Convertors This year LIFUD expands its product portfolio with ZigBee smart LED drivers in addition to the two series 10 years warranty LED drivers. LIFUD ZigBee smart LED drivers have already been exhibited on the March Frankfurt lighting fair in Germany as well as April San Deigo lighting fair in America. ... Read more »

FEATURED

New Cree XLamp CXA2 High Density LEDs Double Lumen Output

New Cree XLamp CXA2 High Density LEDs Double Lumen Output Cree breaks performance barriers with the new Cree® XLamp®CXB1310 and CXB1520 High Density LED arrays. The new LEDs deliver the highest lumen density at 6mm and 9mm - the industry’s most lumens for their light emitting surface sizes. The advancement enables radically new and differentiated LED ... Read more »

FEATURED

SFIM-300 Spectral Flickering Irradiance Meter

SFIM-300 Spectral Flickering Irradiance Meter SFIM-300 Spectral Flickering Irradiance Meter integrates the flicker, spectra, illuminance, colorimetric measurement function. With the international patented technologies, SFIM-300 realizes wide dynamic range with excellent linearity and extremely high accuracy. SFIM-300 suits best for the on-site ... Read more »

FEATURED

New CDM10V – Compact and Highly Integrated Dimming Interface IC

New CDM10V – Compact and Highly Integrated Dimming Interface IC The compact and highly integrated LED light- ing interface IC allows designers to replace many of the discrete components used in conventional dimming schemes with a single device. Thus, it can reduce the compo- nent count and PCB space needed for dimming circuitry in LED lighting applications by ... Read more »

FEATURED

WILLIGHTING Releases Super Bright Flexible SMD5630 LED Strip with CE

WILLIGHTING Releases Super Bright Flexible SMD5630 LED Strip with CE Willighting releases a new and super bright flexible SMD5630 strip. With constant current Infineon IC driver, the leds’ brightness will be higher, about 3400lm/m in white and won’t be changed anything when the input voltage changes a little. What’s more, CE and 3 years warranty ensure high ... Read more »

FEATURED

HONGLITRONIC High Performance LED Light Engines: 10W/20W/30W AC COB

HONGLITRONIC High Performance LED Light Engines: 10W/20W/30W AC COB Guangzhou Hongli Opto-Electronic Co., Ltd., a leader in advanced components in China, announced that AC COB, the company’s new high-power LED Light Engines line-up with high light efficacy, Simplified on-board power supply, Easy Assembly, High Efficiency (> 85%), High Power Factor (PF > 0.95), Low ... Read more »

EDITORIAL

Founders of RAYLASE Receive EPIC Phoenix Award 2016 that Recognizes Entrepreneurship in Photonics

Founders of RAYLASE Receive EPIC Phoenix Award 2016 that Recognizes Entrepreneurship in Photonics RAYLASE Group has its headquarters in Weßling, Germany and a subsidiary in China, located in Shenzhen. Both entities are doing production of components, submodules and software to deflect, modulate and control laser beams in a broad variety of applications e.g. marking, drilling, cutting, engraving ... Read more »

EDITORIAL

Discussion: Lighting Flicker of LED Lighting Systems

Discussion: Lighting Flicker of LED Lighting Systems Flicker is the modulation of a lamp’s light output caused by fluctuations of the mains voltage supply. Recent research has shown that fluctuations of short wavelength emissions are perceived to a higher extent and light flicker may have a huge influence on the well-being of end users. Prof. ... Read more »

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