Studies
July 28, 2023 – DIGITAL SIGNAGE | Consider digital billboards a contributing outdoor light source – The author states that LED billboards have negative impacts on mental workload, ability to follow signs, eye movements, and fixations.
February 28, 2021– The Development Of Brightness Evaluation Method For Digital Billboards – This research article discusses the many dangers of LED billboards.
January 15, 2021 – Influence of Coloured Light from LED Display Screens – This research shows that LED billboards affect driver safety.
April 9, 2019 – Billboard Study, City of New Orleans –
February 2016 – Collection of Digital Billboard Research Studies – A professional review of studies prior to 2016
November, 2014 – Nevada Department of Transportation Study of Electronic Billboards
May 2013 – Driver attention is Captured by Roadside Advertising Signs – Danish Study concludes that even non-LED roadside signs cause dangerous distraction.
January 2013 – Health Effects of Large LED Screens on Local Residents – Luminance above 10,000 nits is dangerous.
July 8, 2012 – Effects of Electronic Billboards on Driver Distraction – Swedish Study.
November 9, 2010 – Digital Billboard Luminance Recommendation – Recommendation of 20 nit maximum due to transient eye adaptation.
March 1, 2010 – Digital Billboards, Diversions Drivers Can’t Escape – New York Times.
News Stories
January 14, 2022 – Developer Cranes in Palm Trees to Shield Hotel from Bothersome Billboard – Story from New Zealand where a developer installed palm trees to block the noxious light from an LED billboard.
Discussion
Soft Lights Book – Chapter 20 – Electronic Billboards – The Soft Lights discussion of electronic billboards.