白熾（chì）燈，俗名鎢絲灯，是一種透過通電，利用電阻把幼細絲線（現代通常為鎢絲）加熱至白熾，用來發光的燈。白熾燈的燈泡外圍由玻璃製造，把燈絲保持在真空，或低壓的惰性氣體（如卤素灯）之下，作用是防止燈絲在高溫之下氧化。 See more 美國人亨利·戈培爾傳說比愛迪生早數十年已發明了相同原理和物料，而且可靠的電燈泡，而在愛迪生之前很多其他人亦對電燈的發明作出了不少貢獻。 1801年，英國化學家戴維將鉑絲通電發光。他亦在1810年發 … See more 接口類型 拋物面鍍鋁反射燈 鹵素燈泡 鹵素燈泡，亦稱鎢鹵燈泡，是白熾燈的一種。原理是在燈泡內注入碘或溴等鹵素氣體。在高溫下，蒸發的鎢絲與鹵素進行化學作用，蒸發的鎢會重新凝 … See more 電燈的燈芯或燈絲指的是通過電流或燃燒時，發出光芒的金屬纖維，通常是用鎢來作為燈絲轉換電能為光能，和真空管元件轉換電能為熱能之用。而白熾燈是由亞歷山大·洛地均（Alexander Lodygin，於1874年）與約瑟夫·威爾森·斯旺（Joseph Wilson Swan，於1878年） … See more • 百年燈泡 • 太陽神卡特爾 See more 1. 白熾燈外形輪廓。 2. 低壓惰性氣體。 3. 燈絲，鎢絲。 4. 細金屬線（連接至燈頭尖端） See more 缺点 大部分白熾燈會把消耗能量中的90%轉化成無用的熱能，只少於10%的能量會成為光。相比之下，螢光燈的效率高很多，接近40%，所產生的熱只是相同亮度的白熾燈的六分一。故此很多地方，特別是夏天需要空氣調節的商場、大樓 … See more WebJun 30, 2024 · Incandescent bulbs burn hot, requiring a lot of energy. LEDs are composed of computer chips and an electronic makeup, making them fundamentally more efficient. …
The History of the Light Bulb Department of Energy
WebIncandescent bulbs are not the most energy efficient. Only around 10% of the electric power used by an incandescent light bulb produces light. The other 90% is emitted as heat. Because of this high heat output you’ll see … WebNov 11, 2024 · An incandescent light bulb is a glass and metal device that produces light when a thin wire filament glows with illumination as it is heated by an electrical current … biot volley ball
Incandescent Light Bulb - Best Buy
WebLED lighting saves a significant amount of energy compared to incandescent or CFL bulbs. DTE residential electric customers get great prices on LEDs with instant rebates applied … WebIt is an energy-efficient lighting option at only 8-Watt, but still bright at 800 lumens—the equivalent of a 60-Watt incandescent bulb. It has an estimated energy cost of $1. 08 per year, saving $140 on average over the rated lifetime (based on 3-hours/day, cost varies on rates and usage). WebTypes of light bulbs. There are several kinds of light bulbs: incandescent light bulb - the most common light bulb in the house until about 2003-2010 'halogen lamp' - a more efficient incandescent bulb gas discharge lamp - … bioturm winter handcreme