Sponsor of the Day:
Jerkmate
https://designlights.org/our-work/horticultural-lighting/qualify-a-fixture/level-2-applications
Horticultural Level 2 (Formerly Family Grouping) Applications - DesignLights
Apr 18, 2025 - Level 2 applications are designed to reduce the total testing and application fees required to list groups of products that comply with the Level 2 (formerly...
level 2applications designlightshorticulturalformerlyfamily
https://designlights.org/our-work/luna/why-luna/
Why Focus on Light at Night? - DesignLights
Feb 20, 2026 - The use of artificial light at night has far-ranging impacts for humans, plants, and animals alike. Sky Glow Sky glow from artificial light is likely a...
focuslightnight
https://designlights.org/news-events/dlc-perspectives
DLC Perspectives Archives - DesignLights
perspectives archivesdlcdesignlights
https://designlights.org/our-work/solid-state-lighting/submit-a-product/product-update-applications/
SSL and LUNA Product Update Applications - DesignLights
Apr 2, 2026 - Use the instructions below for guidance on updating information for previously-listed products on the QPL. Update Application Forms may be found at the bottom...
product updateapplications designlightssslluna
https://designlights.org/our-work/luna/technical-requirements/luna-v1-0/
LUNA Technical Requirements V1.0 - DesignLights
Apr 23, 2025 - DLC Technical Requirements Version 1.0 for LUNA for outdoor commercial and industrial LED lighting that mitigates light pollution.
technical requirementsv1 0lunadesignlights
https://designlights.org/february-2026-dlc-newsletter/
February 2026 DLC Newsletter - DesignLights
Feb 18, 2026 - DLC's February's Newsletter.
february 2026dlcnewsletterdesignlights
https://designlights.org/our-work/horticultural-lighting/qualify-a-fixture/level-1-applications
Horticultural Level 1 (Formerly Single Product) Applications - DesignLights
Apr 18, 2025 - Level 1 (formerly Single Product) applications are used to qualify a single product with one model number.
level 1single productapplications designlightshorticulturalformerly
https://designlights.org/news-events/news/luna-v2-0-technical-requirements-address-light-pollution/
Blog - LUNA V2.0 Technical Requirements - DesignLights
Dec 9, 2025 - Learn more about the LUNA V2.0 Technical requirements and why they are important for mitigating light pollution.
v2 0technical requirementsbloglunadesignlights
https://designlights.org/
Home - DesignLights
Mar 30, 2026 - The DesignLights Consortium is an independent non-profit organization that provides decision makers with data and resources on quality lighting, controls, and...
designlights
https://designlights.org/glossary
Glossary - DesignLights
May 14, 2025 - The DLC glossary defines lighting terminology and DLC-specific terms. Click on the alphabet to the left to jump to each letter. Want to add a term or propose a...
glossarydesignlights