Reader Opinion

The Value of Dark Skies - About Environmentally Friendly Lighting

Figure 4 shows a comparison of the spectrum of white LEDs (solid lines) with the response of the human visual system in the photopic regime [...] Read more »

Reader Opinion

Lighting Flicker of LED Lighting Systems

We've just added two charts about flicker from Philips. They have presented it at the L+B last week. Read more »

Reader Opinion

Lighting Flicker of LED Lighting Systems

It would be interesting to know details about the VLC modulations (amplitudes and frequencies) and how they are fitting into the borders mentioned by Walter. Read more »

Reader Opinion

Lighting Flicker of LED Lighting Systems

I am sorry for possible confusion. I have made the statement as clear as possible. This is how it is: (above 100Hz:) up to 400 [...] Read more »

Reader Opinion

Lighting Flicker of LED Lighting Systems

This is a comment from a reader to the article in LpR#54: I’m a bit confused about the article about flicker. On the one hand, [...] Read more »

Reader Opinion | Mar 19, 2016

Discussion: The Value of Dark Skies - About Environmentally Friendly Lighting

Discussion: The Value of Dark Skies - About Environmentally Friendly Lighting For many years no one worried about light pollution: on the contrary, the brighter the better. Then it became evident that darkness also has its value. J. Scott Feierabend, executive director of the International Dark-Sky Association (IDA), presents and explains in detail, the latest ndings and suggestions published in the “New IDA LED Lighting Practical Guide” and “New IDA Standards on Blue Light at Night”. He also discusses how to illuminate public areas while avoiding excess light pollution. Read more »

FEATURED

Luxeon V2, the Best Choice for a 2 mm² High Power LED

Luxeon V2, the Best Choice for a 2 mm² High Power LED Lumileds announced breakthrough high power performance with the new Luxeon V2 LED. With the highest performance in its class for output and efficacy, the emitter easily enables DLC Premium performance at the system level. Luxeon V2 utilizes a 2 x 2 mm Chip Scale Package (CSP) in a 3.5 x 3.5 mm ... Read more »

FEATURED

The 22nd China (Guzhen) International Lighting Fair

The 22nd China (Guzhen) International Lighting Fair China (Guzhen) International Lighting Fair is based in China Lighting Capital- Guzhen Town, where thousands of lighting manufacturers lies and is dubbed as the source of lightings. With the help of local government and UBM, the fair has been successfully held for 21 editions. Read more »

FEATURED

Edison Opto Introduces Breakthrough AC Module Series

Edison Opto Introduces Breakthrough AC Module Series Edison Opto Corporation, the leading LED lighting company based in Taiwan, introduces a wide range of AC modules. These AC modules can be broadly used in ceiling lights, mirror front lights, corridor lights, tri-proof lights, and down lights to meet different customers’ requirements. Read more »

EDITORIAL

High Conductive Foils Enabling Large Area Lighting

High Conductive Foils Enabling Large Area Lighting Fraunhofer Institute for Organic Electronics, Electron Beam and Plasma Technology FEP as one of the leading partners for research and development for surface technologies and organic electronics and Sefar AG, a leading manufacturer of precision fabrics from monofilaments, developed a roll-to-roll ... Read more »

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