Technologies | Human Centric Lighting | Color Perception | Health + Environment | Research | Oct 18, 2019

Study Reveals How Age Affects Perception of White LED Light

Study Reveals How Age Affects Perception of White LED Light Although LEDs are increasingly used in low-energy lighting and displays, consumers sometimes find their light harsh or unpleasant. Findings from a new study point to the need to take age-related perception differences into account when designing white LED lighting that is more pleasing to the eye. Read more »

Technologies | Research | Outdoor Applications | Health + Environment | Publications | Aug 06, 2019

ALAN May Be Increasing West Nile Virus Spillover from Wild Birds

ALAN May Be Increasing West Nile Virus Spillover from Wild Birds We're in the midst of summertime mosquito bite season and cities across the country are reporting a heightened number of West Nile Virus (WNV) cases. The house sparrow is one of the most common carriers of WNV in urban areas. Mosquitos feed off the infected birds and spread the virus to humans. New research finds house sparrows exposed to artificial light at night, such as what's used in parking lots, maintain higher burdens of WNV for longer than those who spend their nights in the dark. Read more »

Technologies | Research | Health | Human Centric Lighting | Full Spectrum LEDs | May 16, 2019

Scientific Study Demonstrates Positive Effects of Daylight LED on Visual Comfort, Melatonin, Mood, Waking Performance, and Sleep

Scientific Study Demonstrates Positive Effects of Daylight LED on Visual Comfort, Melatonin, Mood, Waking Performance, and Sleep There has been an increase in research activity on the relationship between light and human bio-function, including a recent scientific study focusing on the effects of light spectrum on sleep quality, visual comfort, well-being and daytime alertness conducted by Prof. Christian Cajochen and his team at the University of Basel in Switzerland, entitled: "Effect of Daylight LED on Visual Comfort, Melatonin, Mood, Waking Performance, and Sleep." Read more »

Technologies | Research | Publications | Health | Human Centric Lighting | Mar 26, 2019

3D Bio-Optical Models Reveals How the Human Body Uses the Entire Solar Spectrum

3D Bio-Optical Models Reveals How the Human Body Uses the Entire Solar Spectrum History teaches that global changes to the public's environment mandate a higher level of scrutiny to ensure that we first do no harm. In "Melatonin and the Optics of the Human Body" published in the journal Melatonin Research, Zimmerman and Reiter combine optical ray tracing from lighting and ESR data from the medical industry to model for the first time the 3D free radical distributions generate by lighting sources in the human body. Read more »

EDITORIAL

Blue High-Power Laser Diodes from Osram for Show, Point and Line Lasers

Blue High-Power Laser Diodes from Osram for Show, Point and Line Lasers Multi Mode in the InGaN portfolio: The blue multi-mode laser diodes PLPT5 447KA and 450KA from Osram Opto Se- miconductors are available as 1.6 and 2.2 Watt versions with a wavelength of 447 nm. The indium-gallium-nitride diodes are edge emitters, which are built into a hermetically sealed TO ... Read more »

EDITORIAL

UV-C Disinfection Technologies Must be Integrated in EU Renovation Plans

UV-C Disinfection Technologies Must be Integrated in EU Renovation Plans LightingEurope launches an UV-C expert group that promotes the benefits of UV-C disinfection technologies and stimulates market demand and fair market access in Europe. The technology has been proven to deactivate, without exception, all viruses against which it has been tested. LightingEurope is ... Read more »