5 October, 2015 04:19
When deciding which light bulb to purchase, the cost of the bulb can be a major factor in your decision. But the cheapest bulb on the shelf might not always be the least expensive option in the long run. The truth is that the bulb you buy will determine your cost in the long term. Some bulbs cost more to use, operate, and maintain than others. These costs, all together, are known as your total cost of ownership. Total cost of ownership (TCO) is a financial estimate intended to help consumers and business owners determine the direct and indirect costs of a product. In terms of lighting, the cost of ownership takes into account the upfront cost of the product, the hours used, kWh rate, and the rated life of the light bulb.
27 January, 2012 12:10
Back in 2008, the Department of Energy (DOE) launched the Bright Tomorrow Lighting Prize (L Prize) competition, as instructed by the Energy Independence and Security Act of 2007. The L Prize challenged the lighting industry to develop an efficient LED to replace the common 60 watt incandescent bulb. Any entries received were put through rigorous short-term and long-term performance testing. The winning bulb was required to produce more than 900 lumens and also have a 25,000 hour life. In addition, it must also have a Color Rendering Index (CRI) higher than 90 and a Correlated Color Temperature (CCT) between 2700K and 3000K-all while using less than 10 watts of electricity!
8 July, 2011 10:01
If you’ve watched the news recently, you may have heard the controversy surrounding China’s export restrictions on a number of resources, including rare earth elements. What may not be fully clear is how this affects you as a consumer of electronics, and lighting products in particular. We’ve put this together as a quick overview to let you know what’s happening, and what to expect going forward.
First, let’s look at what rare earth elements are, and what they’re used for: Rare earth element is the common name for a set of 17 chemical elements. They are critical in the production and operation of a wide range of consumer electronics, and are also used in the phosphors that create light in a number of different light bulb types, including fluorescent, LED, and mercury vapor.