This Technical Note covers methods for measuring lumen maintenance of LED-based off-grid lighting products, focusing on low-cost methods to evaluate a product’s ability to provide long-term lighting s...

This document is a summary of the changes that were suggested to the Lighting Global Quality Assurance framework and includes notes on whether each change will be implemented....

This Technical Note introduces basic concepts in electronic design for low power off-grid lighting products and suggests ways to improve power efficiency....

This Technical Note introduces basic concepts in optical design for low power off-grid lighting products and suggests ways to improve optical efficiency. It is intended for manufacturers, distributors...

This Technical Note discusses lighting product design from an energy and efficiency perspective....

This Technical Note discusses information found on an LED datasheet and is intended to give engineers, system designers, and manufacturers assistance in reviewing LED packages and making purchasing de...

This Guidebook provides practical information on compliance frameworks based on the experiences of existing S&L programs....

This Technical Note examines the light output (over time) of an LED light source, also known as LED lumen depreciation or lumen maintenance....

This Technical Note discusses thermal management techniques and good system design for LEDs...