LED Tech

Literature Review Gives LEDs Qualified Pass on Possible Health Effects

LED lamps and displays appear to pose no direct adverse health effects among the general healthy population, concluded a just-published literature review. However, the review found that gaps exist in our understanding of potential LED health hazards, and other population groups may be at risk. For example, exposure to LEDs and other light in the late evening may affect our circadian rhythm. LEDs may also have specific effects on young children and the elderly. Among its findings, the review noted that…

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LED Tech

Why Is Color Rendering Index Important to LED Lighting?

The Color Rendering Index is intended to be an objective index, measured on a scale from 0 to 100, that compares a light source to the light emitted by a source emitting perfect blackbody radiation…

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LED Tech

Improving the Heat Sink in Modern LED Fixtures

LED lights do not generate light in the infrared spectrum and are, in fact, both cooler and more efficient than incandescents. Unlike traditional light bulbs that typically convert less than 10% of electrical energy input into illumination, LED fixtures can convert up to 45% of electrical power input into light.

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LED Tech

LEDs Optimized for Architectural and Emergency Vehicle Lighting Applications

As a mainstay in architectural and emergency vehicle lighting, colour LEDs bring about intrinsic advantages such as durability and reliability, in addition to the possibility of delivering controlled “colour light performances.” In recent years, however, the evolving architectural and emergency vehicle lighting landscape has necessitated developing colour LEDs that can enable the most effective and optimized system design…

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LED Tech

Beyond Lighting: State-of-the-Art and Future Applications of LED Lighting

Over the past decades light has been used to diagnose disease, enable digital communication through fibre optics, and generate power through solar panels. Most recently, advances in solid state lighting has transformed the most commonplace source of light, the lightbulb. The latest LED technology is not only making lighting more sustainable but also allows unprecedented control of light quality, colour, intensity as well as the inclusion of data and computation that was unimaginable with incandescent or fluorescent lighting…

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LED Tech

Finnish Group Developing Large-Area LED Lighting Films

The VTT Technical Research Centre of Finland is developing new types of LED light sources based on large, flexible and transparent substrates in collaboration with Finnish companies Flexbright and Lighting Design Collective…

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LED Tech

Optical Measurement Guidelines for High-Power LEDs and Solid State Lighting Products, Part 2

Users sometimes report measurement discrepancies for the same LED when measured on two different systems. This could arise either because of errors with the system or different levels of accuracies between the two systems. This section describes several common sources of equipment errors and provides suggestions to minimize those…

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LED Tech

Learn How Li-Fi Works from Its Inventor, Harald Haas

Some day the last leg of our communication networks might not depend on a modulated radio signal but on a modulated light signal from an LED bulb in a desk lamp or ceiling fixture. IEEE Senior Member Harald Haas has developed a visible light communication system he calls light fidelity, or Li-Fi, which relies on nanometer waves in the infrared and visible light part of the electromagnetic spectrum to transmit data generated by an LED bulb fitted with a microchip…

Read More Learn How Li-Fi Works from Its Inventor, Harald Haas
LED Tech

Comments on the AMA Report Concerning LED Streetlighting and 3000K CCT

Next month LDS will feature an interview with Shirley Coyle, President of CREE Canada and IES. We asked Shirley to participate in the debate on AMA’s position on blue light. Here are her comments…

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LED Tech

Optical Measurement Guidelines for High-Power LEDs and Solid State Lighting Products, Part 1

The LED industry is growing rapidly and this naturally brings up an important need for reliable measurements of LEDs and solid state lighting (SSL) products. These measurements often form the foundation for a fair comparison between SSL products from different vendors…

Read More Optical Measurement Guidelines for High-Power LEDs and Solid State Lighting Products, Part 1
LED Tech

How PoE Lighting Technology Will Affect Distributors

The lighting market is changing and electrical distributors are at risk of losing aspects of the lighting segment. While it’s doubtful that they’ll lose the majority in the “near” future (5, 10, 15, 20 years), it is being whittled away by a number of factors (see below)…

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LED Tech

LED Stimulation: A New Treatment For Alzheimer’s?

Using LED lights flickering at a specific frequency, MIT researchers have shown that they can substantially reduce the beta amyloid plaques seen in Alzheimer’s disease, in the visual cortex of mice…

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LED Tech

PoE Lighting Revenue Forecast to Increase 1100% by 2026

Since Power over Ethernet (PoE) lighting is in its infancy, there is still skepticism about using PoE technology for lighting. The success of PoE technology for other use cases, such as phone systems, has not translated into widespread acceptance for the lighting market. However, a Navigant research report forecasts that global revenue for PoE lighting will grow from an estimated US$35.8 million in 2016 to US$419.9 million in 2025…

Read More PoE Lighting Revenue Forecast to Increase 1100% by 2026
LED Tech

Bristol University Shows LED Lights Attract Fewer Insects Than Other Lights

New research by scientists from the University of Bristol has revealed that domestic LED lights are much less attractive to nuisance insects such as biting midges than traditional filament lamps…

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LED Tech

Laser Lighting — the Potential Successor of LED Technology

One thing that characterizes technology is constant evolution, and lighting fixtures are no exception. New technologies constantly emerge, offering performance superior to the products they replace, eventually displacing them from the market.

Read More Laser Lighting — the Potential Successor of LED Technology
LED Tech

Smart, High-Res LED Headlights Advance Adaptive Forward Lighting

A German research alliance has developed the basis for smart, high resolution LED headlights, which takes adaptive forward lighting to a new dimension.

Read More Smart, High-Res LED Headlights Advance Adaptive Forward Lighting

LED Tech

Literature Review Gives LEDs Qualified Pass on Possible Health Effects

Why Is Color Rendering Index Important to LED Lighting?

Improving the Heat Sink in Modern LED Fixtures

LEDs Optimized for Architectural and Emergency Vehicle Lighting Applications

Beyond Lighting: State-of-the-Art and Future Applications of LED Lighting

Finnish Group Developing Large-Area LED Lighting Films

Optical Measurement Guidelines for High-Power LEDs and Solid State Lighting Products, Part 2

Learn How Li-Fi Works from Its Inventor, Harald Haas

Comments on the AMA Report Concerning LED Streetlighting and 3000K CCT

Optical Measurement Guidelines for High-Power LEDs and Solid State Lighting Products, Part 1

How PoE Lighting Technology Will Affect Distributors

LED Stimulation: A New Treatment For Alzheimer’s?

PoE Lighting Revenue Forecast to Increase 1100% by 2026

Bristol University Shows LED Lights Attract Fewer Insects Than Other Lights

Laser Lighting — the Potential Successor of LED Technology

Smart, High-Res LED Headlights Advance Adaptive Forward Lighting

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