An incandescent light bulb, incandescent lamp or 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 or filled with inert gas to protect the filament from oxidation.

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2025年1月16日 · Incandescent lamp, any of various devices that produce light by heating a suitable material to a high temperature. When any solid or gas is heated, commonly by combustion or resistance to an electric current, it gives off light of a color (spectral balance) characteristic of the material.

2024年4月5日 · What’s the Difference Between Incandescent and LED Lighting? They both produce light, but the similarities mostly end there. Here’s how they stack up head to head: Energy efficiency: LEDs produce ten times more light per watt of energy than incandescents.

2013年11月22日 · Incandescent Bulbs Light the Way. Long before Thomas Edison patented -- first in 1879 and then a year later in 1880 -- and began commercializing his incandescent light bulb, British inventors were demonstrating that electric light was possible with the arc lamp.

Whether you’re looking to light a hallway, a microwave or a heat lamp, incandescent light bulbs are a good, basic option. They are the original type of electrical lighting and the filament technology has been around for more than 100 years and comes in a wide variety of wattages, sizes and shapes.

Incandescent light bulbs are the cheapest bulbs available if you only consider their initial cost. Unlike other light bulbs, incandescent bulbs provide a warmer light tone. For this reason, incandescent lights are great for relaxing during the evening. …

Incandescent light bulbs are devices that convert electricity into light by heating a filament, using electric current, until it emits electromagnetic radiation. As current passes through the filament, its high resistance causes its temperature to rise until it glows.

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The incandescent light bulb or lamp is a source of electric light that works by incandescence, which is the emission of light caused by heating the filament. They are made in an extremely wide range of sizes, wattages, and voltages.