d.light design next-generation product line of portable solar lanterns comprised of the d.light S2, the d.light S20 and the d.light S300 just passed the Lighting Global minimum quality standards and…
…durability and consumer satisfaction. There are two strategies for protecting products from water: product design and user behavior. The Lighting Global framework for assessing the degree of water protection accounts…
…light e.g. for reading. The product’s design makes it versatile enough to be hung on a wall or ceiling to also serve as an ambient/room light. The Uno 50 has…
…improperly charged and discharged. Good design practices can mitigate the danger from these batteries and should always be used for off-grid products. This Technical Note is part two in a…
American solar lantern manufacturer d.light design celebrated its fifth year in the off-grid lighting business with an announcement that its products have reached 10 million people worldwide. A quarter of…
This Eco Design Note examines safety issues related to LED lights and the consumers who use them. Specifically, it explores three basic questions: Can off grid LED lights be too…
…LED technology. The findings are also intended to inform manufacturers about key linkages between product design choices and the affordability of these products for small businesses in places like Kenya….
This Technical Note introduces basic concepts in electronic design for low power off-grid lighting products and suggests ways to improve power efficiency. It is intended for manufacturers and engineers.
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, and retailers.
Poor thermal management can lead to early LED product failure. This Technical Note discusses thermal management techniques and good system design. (LED manufacturers should serve as the primary guide for…
