Update Listed Horticultural Lighting Products to V2.1 by Dec. 31, 2021

All listed products on the Horticultural QPL must be updated to Horticultural Technical Requirements V2.1 and submit update applications by December 31, 2021. Below is guidance for updating V1.2 products to V2.1 with and without TM-33 data. All products are required to follow the provisions for updating horticultural fixtures and applicable update application fees.  Updating V1.2 […]

Mision Electronics Co., Limited – Dec. 14, 2021

The following is a notification from the DesignLights Consortium (DLC) that the product(s) listed below have been found to use the DLC logo or trademark without permission, or are referencing DLC qualification but are not listed on the Qualified Products List (QPL). The DLC does not verify any of the claims made by the manufacturer […]

Total Grow Control – Nov. 29, 2021

The following is a notification from the DesignLights Consortium (DLC) that the product(s) listed below have been found to use the DLC logo or trademark without permission, or are referencing DLC qualification but are not listed on the Qualified Products List (QPL). The DLC does not verify any of the claims made by the manufacturer […]

DLC Webinar to Explore Misconceptions, Safety & Health Implications of Poor Quality Light at Night in Marginalized Communities

December 9 event will feature talks by lighting, social equity, and environmental justice experts  MEDFORD, MA – November 17, 2021 – A free webinar hosted by the DesignLights Consortium (DLC) on December 9 will dive into issues related to poor nighttime lighting in underserved, marginalized communities, with an expert panel offering insights about these impacts […]

Energy Efficiency Day – Celebrating Progress, Embracing New Challenges

The DLC has moved decisively in the past year to increase quality of light attributes for products on our Solid-State Lighting (SSL) Qualified Products List (QPL). With data mounting about the human wellbeing and bottom-line benefits of superior quality light, this is a key area for the DLC and one we’ll continue to pursue. At […]

Birds are Migrating – Lights Out, Please

During September and October, billions of birds are migrating to their wintering grounds (find information for specific regions here). Covering thousands of miles across states, countries and continents, birds such as warblers, orioles, wrens, herons and tanagers make these age-old journeys in the dark of night. They face many perils along the way – including […]

Shenzhen Eagle Star Lighting Technology Co., Ltd- Aug. 27, 2021

The following is a notification from the DesignLights Consortium (DLC) that the product(s) listed below have been found to use the DLC logo or trademark without permission, or are referencing DLC qualification but are not listed on the Qualified Products List (QPL). The DLC does not verify any of the claims made by the manufacturer […]

Lightdot- June 23, 2021

The following is a notification from the DesignLights Consortium (DLC) that the product(s) listed below have been found to use the DLC logo or trademark without permission, or are referencing DLC qualification but are not listed on the Qualified Products List (QPL). The DLC does not verify any of the claims made by the manufacturer […]

Hykolity – April 29, 2021

The following is a notification from the DesignLights Consortium (DLC) that the product(s) listed below have been found to use the DLC logo or trademark without permission, or are referencing DLC qualification but are not listed on the Qualified Products List (QPL). The DLC does not verify any of the claims made by the manufacturer […]