A 230-volt LED filament light bulb, with a B22 base. The filaments are visible as the four yellow vertical lines.
A LED filament light bulb is a LED lamp which is designed to resemble a traditional incandescent light bulb with visible filaments for aesthetic and light distribution purposes, but with the high efficiency of light-emitting diodes (LEDs). The name comes from their strings of many close-spaced series-connected diodes, which resemble the filaments of incandescent light bulbs much closer than previous bulbs with many LEDs.
They are made as direct replacements for conventional incandescent bulbs, as they are made in the same shapes, they use the same bases that fit the same sockets, and they work at the same supply voltage. They may be used for their appearance, similar when lit to a clear incandescent bulb, or for their wide angle of light distribution, typically 300°. They are also more efficient than many other LED lamps.[1]
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A LEDfilament light bulb is a LED lamp which is designed to resemble a traditional incandescent light bulb with visible filaments for aesthetic and light...
of LED lamps, three types of lamps were used for the bulk of general (white) lighting: Incandescent lights produce light with a glowing filament heated...
as filament light bulbs and retroactively referred to as antique light bulbs or vintage light bulbs, are either carbon- or early tungsten-filament incandescent...
incandescent light globe is an electric light with a filament that is heated until it glows. The filament is enclosed in a glass bulb that is either evacuated...
Look up filament or filamentous in Wiktionary, the free dictionary. The word filament, which is descended from Latin filum meaning "thread", is used in...
In cosmology, galaxy filaments are the largest known structures in the universe, consisting of walls of galactic superclusters. These massive, thread-like...
Fused filament fabrication (FFF), also known as fused deposition modeling (with the trademarked acronym FDM), or filament freeform fabrication, is a 3D...
phosphor, white LED, starting an LED boom. 2008 Ushio Lighting demonstrates the first LEDfilament. 2011 Philips wins L Prize for LED screw-in lamp equivalent...
functions used filament bulbs. The headlamp was supplied by Koito Industries Ltd. In 2007 the first headlamps with all functions provided by LEDs, supplied...
disambiguation page lists articles associated with the title Carbon filament. If an internal link led you here, you may wish to change the link to point directly...
less efficient than LED and compact fluorescent lamps, and therefore have been or are being phased out in many places. A carbon filament lamp using chlorine...
LEDs. The lamp lasts longer and is more shock resistant than a regular incandescent bulb, since it lacks the relatively fragile electrical filament found...
Trade Commission (FTC).[citation needed] Rayon was produced only as a filament fiber until the 1930s, when methods were developed to utilize "broken waste...
categories of electric lights are incandescent lamps, which produce light by a filament heated white-hot by electric current, gas-discharge lamps, which produce...
specifically referred to as the CfA2 Great Wall, is an immense galaxy filament. It is one of the largest known superstructures in the observable universe...
consisting of three electrodes inside an evacuated glass envelope: a heated filament or cathode, a grid, and a plate (anode). Developed from Lee De Forest's...
integral part of most actin filaments in animals. Tropomyosins are a large family of integral components of actin filaments that play a critical role in...
slivers at high temperatures carbonizing them into an all-carbon fiber filament used in one of the first incandescent light bulbs to be heated by electricity...
dissolve a conductive filament. The state of the device is determined by the resistance across the two terminals. The existence of a filament between the terminals...
incandescent filament heats the mercury, producing a vapor which eventually allows an arc to be struck, short circuiting the incandescent filament. As with...
incandescent light bulbs, containing a filament sealed in an evacuated glass envelope. When hot, the filament in a vacuum tube (a cathode) releases electrons...
Most regions of Thailand have their own typical silks. A single thread filament is too thin to use on its own so women combine many threads to produce...
When voltage is applied, a plasma is formed within the container. Plasma filaments extend from the inner electrode to the outer glass insulator, giving the...
current density over the junction can lead to the formation of current filaments. This may lead to creation of localized hot spots, which poses risk of...
multi-functional proteins that form microfilaments in the cytoskeleton, and the thin filaments in muscle fibrils. It is found in essentially all eukaryotic cells, where...
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