How does the light bulb work1/22/2024 ![]() Xenon light bulbs also emit less harmful UV rays and aren’t adversely affected by oils from your hands. That also means you don’t have to use as much energy running AC when trying to offset the heat because it takes less heat to produce the light. The main difference is xenon gas is more willing to glow when in contact with electricity, so it takes less energy to achieve the same amount of lumens or brightness. Specifically these halogen bulbs use xenon as the inert gas. Because of this inefficiency, manufacturers were inspired to design a more efficient light bulb.Īnother fun fact: Xenon bulbs are halogen bulbs, which in turn makes them incandescents too. Approximately 95% of the electricity applied to the filament in an incandescent bulb is then lost as heat rather than light. ![]() Frosted light bulbs are a result of the powder coating on the inside of the glass enclosure.Īlthough incandescents are simple to manufacture and therefore inexpensive to purchase, an incredible amount of heat must be produced to make a decent amount of light. Tungsten filaments are a common filament in many traditional light sources because pure tungsten has the highest melting point, lowest vapor pressure, and greatest tensile strength of all metals. Inert gases, also known as noble gases, don’t often react to other chemicals and conditions, allowing them to preserve and protect the filament from evaporating when heated. ![]() Sometime the enclosure (aka the envelope) is actually filled with an inert gas like nitrogen or argon. The familiarly-shaped glass enclosure is a vacuum free of oxygen which disintegrates the filament. Incandescent light bulbs are the result of an electric current passing through a tungsten filament and heating it to a temperature hot enough to produce light a secondary output. ![]()
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