ANSI C78.377-2008 establishes eight acceptable CCTs for LED products, ranging from 2,700K (similar to incandescent) to 6,500K (similar to daylight fluorescent). This change in color across the visible ...

Available in 385-, 405-, and 415-nm wavelengths, ... According to Lumex, the solution reduced service costs by replacing the incandescent bulb with an LED with a 10-year service life.

Under some LED bulbs whites aren't 'whiter than white' Date: April 18, 2014 Source: Penn State Summary: For years, companies have been adding whiteners to laundry detergent, paints, plastics ...

The TLWA1100 white LED points the way to a stable, white light source with the luminosity required for future replacement of incandescent lamps. Set to be launched by Toshiba America Electronic ...

And it shows colors far more naturally than modern energy-efficient bulbs. Traditional incandescent bulbs have a ‘colour rendering index’ rating of 100, because they match the hue of objects seen in ...

The cheapest of Cree's LED bulbs costs less than $10, and they're all backed by a (rather uncustomary) 10-year warranty. Perhaps most importantly, though, Cree's LED bulbs are shaped just like an ...

Recycling light How photonics can reshape the spectrum of light, and rehabilitate Edison's light bulb along the way Date: January 11, 2016 Source: ...

The comparison was done using two bulbs of similar brightness: A 60W incandescent and a 12W LED: The 60W incandescent bulb uses 60 kilowatt-hours (kWh) of electricity every 1,000 hours. At the ...

LED bulbs, by all indication, herald the future of home lighting. Next to their older, energy-eating incandescent cousins, LED bulbs are several times more efficient and last up to dozens of times ...

Here's an LED bulb that cools itself by breathing. ... GE Lighting has an LED replacement for the old 100-watt incandescent bulb. Updated: May. 07, 2012, 8:17 p.m.