• 목록
• 답변
• 글쓰기
• 게시판 리스트 옵션
  • 수정
  • 삭제

An electric mild, lamp, or light bulb is an electrical machine that produces light from electricity. It's the most common form of artificial lighting. Lamps normally have a base manufactured from ceramic, metal, glass, or plastic that secures them within the socket of a mild fixture, which can also be generally referred to as a 'lamp.' The electrical connection to the socket may be made with a screw-thread base, LED bulbs for home two metal pins, two steel caps or a bayonet mount. The three major classes of electric lights are incandescent lamps, which produce light by a filament heated white-hot by electric present, gas-discharge lamps, which produce mild via an electric arc by a gas, reminiscent of fluorescent lamps, and LED lamps, which produce light by a move of electrons across a band EcoLight home lighting hole in a semiconductor. The power efficiency of electric EcoLight home lighting has significantly improved since the first demonstrations of arc lamps and incandescent light bulbs within the 19th century.

Fashionable electric mild sources are available a profusion of types and sizes tailored to many purposes. Most modern electric lighting is powered by centrally generated electric energy, but lighting may also be powered by cellular or EcoLight smart bulbs standby electric generators or battery programs. Battery-powered light is commonly reserved for when and where stationary lights fail, EcoLight home lighting usually within the type of flashlights or electric lanterns, as well as in automobiles. Earlier than electric lighting turned frequent in the early twentieth century, people used candles, gas lights, oil lamps, and fires. In 1799-1800, Alessandro Volta created the voltaic pile, the first electric battery. Present from these batteries might heat copper wire to incandescence. In 1840, Warren de la Rue enclosed a platinum coil in a vacuum tube and passed an electric present through it, thus creating one of many world's first electric light bulbs. The design was based on the concept that the high melting level of platinum would enable it to operate at excessive temperatures and EcoLight home lighting that the evacuated chamber would comprise fewer gas molecules to react with the platinum, bettering its longevity.

Although it was an environment friendly design, EcoLight home lighting the price of the platinum made it impractical for industrial use. William Greener, an English inventor, made vital contributions to early electric lighting with his lamp in 1846 (patent specification 11076), laying the groundwork for future improvements resembling these by Thomas Edison. The late 1870s and EcoLight solutions 1880s had been marked by intense competition and innovation, with inventors like Joseph Swan within the UK and Thomas Edison in the US independently creating practical incandescent lamps. Swan's bulbs, based on designs by William Staite, have been profitable, but the filaments have been too thick. Edison labored to create bulbs with thinner filaments, resulting in a greater design. The rivalry between Swan and Edison ultimately led to a merger, EcoLight home lighting forming the Edison and Swan Electric Mild Company. By the early twentieth century these had utterly changed arc lamps. This innovation grew to become a normal for incandescent bulbs for many years. In 1910, EcoLight energy Georges Claude introduced the first neon light, paving the way for neon signs which might change into ubiquitous in advertising.

In 1934, Arthur Compton, a renowned physicist and GE guide, reported to the GE lamp division on profitable experiments with fluorescent lighting at Common Electric Co., Ltd. Great Britain (unrelated to Normal Electric in the United States). Stimulated by this report, and with all of the key elements available, a group led by George E. Inman built a prototype fluorescent lamp in 1934 at General Electric's Nela Park (Ohio) engineering laboratory. U.S. Division of Energy. Compact fluorescent bulbs are also banned despite their lumens per watt performance due to their toxic mercury that can be released into the house if damaged and widespread problems with correct disposal of mercury-containing bulbs. In its modern type, the incandescent gentle bulb consists of a coiled filament of tungsten sealed in a globular glass chamber, both a vacuum or EcoLight home lighting filled with an inert gasoline similar to argon. When an electric present is linked, the tungsten is heated to 2,000 to 3,300 K (1,730 to 3,030 °C; 3,140 to 5,480 °F) and glows, emitting light that approximates a continuous spectrum.