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2. LED lamp - Wikipedia

   en.wikipedia.org/wiki/LED_lamp

   A selection of consumer LED lamps available in 2012 as drop-in replacements for incandescent bulbs in screw-type sockets. LED lamps are made with standard lamp connections and shapes, such as an Edison screw base, an MR16 shape with a bi-pin base, or a GU5.3 (bi-pin cap) or GU10 (bayonet fitting) and are made compatible with the voltage ...

3. Twinkle bulb - Wikipedia

   en.wikipedia.org/wiki/Twinkle_bulb

   The original twinkle bulbs were C7½ and some C9¼ incandescent light bulbs with a bimetallic strip. Once the bulb warms up, the strip pulls slightly away from the contact, opening and interrupting the parallel circuit through the bulb and turning it off. The bulb then cools, allowing the strip to bend back and make contact again.

4. Holiday lighting technology - Wikipedia

   en.wikipedia.org/wiki/Holiday_lighting_technology

   Standard mini lights are T 1 + 3 ⁄ 4, indicating that they are a tube shape 7 ⁄ 32 inches (5.5 mm) in diameter. Larger mini bulbs, which began appearing around 2004, are about twice this size, but are still very uncommon. Both types, along with most of the candle-shaped ones, are pinched-off at the tip rather than the base during manufacturing.

5. Incandescent light bulb - Wikipedia

   en.wikipedia.org/wiki/Incandescent_light_bulb

   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 .

6. Incandescent Lightbulb Regulations: What's True, What's Not - AOL

   www.aol.com/news/2013-01-31-incandescent-light...

   By comparison, that consumer would spend about $1 to operate an Energy Star-certified LED bulb, about $3.50 on a halogen incandescent bulb and about $1.20 on an Energy Star CFL bulb - each ...

7. Light-emitting diode - Wikipedia

   en.wikipedia.org/wiki/Light-emitting_diode

   Efficiency: LEDs emit more lumens per watt than incandescent light bulbs. [63] The efficiency of LED lighting fixtures is not affected by shape and size, unlike fluorescent light bulbs or tubes. Size: LEDs can be very small (smaller than 2 mm 2 [64]) and are easily attached to printed circuit boards.