Recent content by TopuLEDlight

currently we use 1w-3w leds, unit led lumens is about 90-110lm, you know cree chip? if for CREE XP series maybe higher lumens...:wink: Take E27 3W led spot light for example, its lumens is about 270lm in real, however the power driver need to consume some lumens, usually the power factor for...

CFLs energy saving lamps or bulbs are the second stage of energy saving lights, however compared with LED lights, CLFs bulbs are not so power saving, for LED lights, power saving is about 70-90%, also LED lights can made to be different colors, or color changing, warm white or white...have many...

until 2010, i think LED lights will be mostly used wordwidely, led lights are energy saving light bulbs, protect our society...until now many places like some shopping malls, factories, schools had changed the fluorescent lamps to LED tube lights. Its a big imporvement i think...

its very glad to know all of you here, i m chinese, but i do hope to go abroad for widern eyesight... hope we can be good friends!

Actually LED lumens is different, some like Epistar DIP chip its about 6.5-7lm per unit, for SMD chip its about 5-6.5lm per piece. Now Epistar or CREE have high power LED, one piece 1W-3W for led spot light, 10W-100W for led street lights, led high bays, tunnel lights...these lumens is about...