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LED lamp - Wikipedia
LED lamp - Wikipedia
LED - Wikipedia
LED - Wikipedia
LED lamp - Wikipedia
LED lamp - Wikipedia
LED-Leuchtmittel – Wikipedia
LED -Leuchtmittel Wikipedia
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led lamp wikipedia : 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, ...A light-emitting diode (LED) is a semiconductor light source that emits light when current flows through it. Electrons in the semiconductor recombine with electron holes, releasing energy in the form of photons.This effect is called electroluminescence. The color of the light (corresponding to the energy of the photons) is determined by the energy required for electrons to cross the band gap ...A LED lamp is a product that uses a Light-emitting diode and that is assembled into a lamp or a light bulb.LED lamps last much longer, and are more efficient than incandescent lamps.Many LED lamps are also better than fluorescent lamps.. Unlike fluorescent lamps, most LED lamps do not need to "warm up" before they emit the full amount of light.A light-emitting diode (LED) is a semiconductor device that produces light from electricity. LEDs last a long time and do not break easily (compared to incandescent lightbulbs).They can produce many different colors. They are efficient - most of the energy turns into light, not heat.A light-emitting-diode lamp is a solid-state lamp that uses light-emitting diodes (LEDs) as the source of light. Since the light output of individual light-emitting diodes is small compared to incandescent and compact fluorescent lamps, multiple diodes are used together. LED lamps can be made interchangeable with other types.For the Light fixtures distributing and directing LED lamps' ("light bulbs' ") light see the colloquially named Category: LED lamps. Subcategories This category has the following 14 subcategories, out of 14 total.A light bulb is a device that produces light from electricity. In addition to lighting a dark space, they can be used to show an electronic device is on, to direct traffic, for heat, and many other purposes.Billions are in use, some even in outer space.. Early people used candles and oil lamps for light. Crude incandescent lights were made in the early and middle 19th century but had little use.Luminous efficacy is a measure of how well a light source produces visible light. It is the ratio of luminous flux to power, measured in lumens per watt in the International System of Units (SI). Depending on context, the power can be either the radiant flux of the source's output, or it can be the total power (electric power, chemical energy, or others) consumed by the source.Digital Light Processing (DLP) is a set of chipsets based on optical micro-electro-mechanical technology that uses a digital micromirror device.It was originally developed in 1987 by Larry Hornbeck of Texas Instruments.While the DLP imaging device was invented by Texas Instruments, the first DLP-based projector was introduced by Digital Projection Ltd in 1997.LED stands for light emitting diode. LED lighting products produce light approximately 90% more efficiently than incandescent light bulbs. How do they work? An electrical current passes through a microchip, which illuminates the tiny light sources we LEDs and the result is visible light.
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