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Parts-of-led-light-bulb, led chip - which stands for light emitting diode, is a light source that becomes illuminated by the movement of electrons or an electrical current passing through a semiconductor material. a semiconductor is a substance, usually a solid chemical element or compound that can conduct electricity under some conditions making it a good medium to control an electrical current.. An led lamp or led light bulb is an electric light for use in light fixtures that produces light using one or more light-emitting diodes (leds). led lamps have a lifespan many times longer than equivalent incandescent lamps, and are significantly more efficient than most fluorescent lamps, with some led chips able to emit up to 303 lumens per watt (as claimed by cree and some other led ..., 6,510 led bulb parts products are offered for sale by suppliers on alibaba.com, of which led bulb lights accounts for 5%, lamp covers & shades accounts for 4%, and other pcb & pcba accounts for 1%. a wide variety of led bulb parts options are available to you, such as globe, corn lights, and candle lights..

By leland teschler, executive editor surprise: a look inside five led bulbs designed to replace 60-w incandescents reveals design regimes ranging from dead simple to startlingly sophisticated. the average consumer might think that when it comes to light bulbs, one is about the same as another. this view might have been accurate back when every […], 1. lens/optics. due to the brightness of leds, a lens (or optics when used on omni-directional lamps) is used to evenly distribute the light. this helps the led have the look and feel of traditional light bulbs. this piece is also usually made of plastic to reduce the risk of shattering..

Shop for low price, high quality led light bulbs on dealextreme.led light bulbs in lightings,home & office and more, cfls produce light differently than incandescent bulbs. in an incandescent, electric current runs through a wire filament and heats the filament until it starts to glow. in a cfl, an electric current is driven through a tube containing argon and a small amount of mercury vapor. this generates ....

In the last few years, though, these led replacement bulbs, the kind you just screw into a lamp like you do an incandescent bulb, have become much more common -- which is to say a fair number of businesses and a handful of households are using them. in some ways, led light bulbs are a perfect technology. but they still have a way to go before ...