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filament
"filament" is currently a popular topic for LED lamp writers. We have "filament" focused insightful blog posts, breaking news, rare photos, and more for you from our LED lamp collection.
GU10, 50mm diameter cup, 38 LEDs, Cool white light bulb, 220V
Figure 11. LED light output vs. current.
MR16, 3W high power LED light bulbs, Pure white, 12V operation
Stories
Year 2009
Giz Explains: What's So Great About LED-Backlit LCDs
Original at Gizmodo 
• Wed, May 27
By matt buchanan LEDs (light emitting diodes) are different from say, an old school incandescent bulb, which heats up a filament to generate light, in that they're electroluminescent—electricity passes through a semiconductor and the movement of the electrons just lights it up. Instead of having one...
Energy-saving lights catch on
Original at Sacramento Bee • Tue, Dec 23
By rfaturechi@sacbee.com (Robert Faturechi) Regular bulbs have a filament inside that emits light when heated, a process that can waste a significant amount of energy in the form of heat. Strands of LED lights plug in like traditional lighting, but they stay cooler as they use most of their energy to create light.
Additional Photos
Figure 5. Narrow LED indicator radiation pattern.
GU10, 3W high power LED light bulbs, Pure white, Mains voltage
Figure 10. LED forward voltage varies with color and current.
GU10, 3W high power LED light bulb, Warm white lighting
MR16, 48 super bright LEDs, Cool white LED light bulb, 110VAC
PAR38, E27 base, 1x15W high power floodlights, Warm white
Figure 14. LED cluster pixel for outdoor message boards.
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