LED news

Sunlight, fluorescent light, and incandescent light all produce some light in the violet and ultraviolet range. However, most current LED bulbs use blue LEDs to excite a phosphor that then glows white, but produces no violet or ultraviolet light. Researchers from Penn State and Soraa collaborated and tested combinations of light sources and white objects to see how the light source affected perceptions of white. Not surprisingly, the results indicated that engineering of an LED source's spectrum is necessary for an accurate rendering of whiteness. So you may want to consider how your LED lamps were made if you need/want a good color and white representation. You can find more information on this study at http://news.psu.edu/story/312538/2014/04/18/research/under-some-led-bulbs-whites-arent-whiter-white  

Upcoming trade shows
Lightfair International is the largest architectural and commercial lighting trade show in North America and provides attendees with exhibit halls full of high-end design products and cutting technology. And if it’s education you want, then you have found the right show because you can find sessions on LED luminaire design, lighting control, adding digital communications for intelligent fixture control, and many more. There are many tracks and some deal with tools, problem solving, integrated design, hospitality lighting, and even healthcare lighting. The trade show is held in Las Vegas this year and starts June 1 and ends June 5. For more information, go to  http://www.lightfair.com/lightfair/V40/index.cvn?id=10000  

Society of Information Display holds its annual Display Week in San Diego from June 1 to 6, 2014 Display Week is where the world got its first look at technologies including LCD technology, organic light emitting diode (OLED) technology, 4K TV, and advanced touch interfaces. It’s also where flexible displays, electronic paper, displays for wearables, solid-state lighting, digital signage, and printed electronics were brought to the forefront of the display industry. For more information and to register, go to http://www.displayweek.org/2014/2014.aspx.