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2. Sylvania Electric Products - Wikipedia

   en.wikipedia.org/wiki/Sylvania_Electric_Products

   Sylvania developed the earliest flash cubes for still cameras, later selling the technology to Eastman Kodak Company, and later a 10-flash unit called FlipFlash, as well as a line of household electric light bulbs, which continued during GTE's ownership, later sold off to the German manufacturer Osram, and is today marketed as Osram Sylvania.

3. Sulfur lamp - Wikipedia

   en.wikipedia.org/wiki/Sulfur_lamp

   Sulfur lamp inside a Faraday cage, which is necessary to prevent microwave radiation leakage from the magnetron which would cause radio interference. The sulfur lamp (also sulphur lamp) is a highly efficient full-spectrum electrodeless lighting system whose light is generated by sulfur plasma that has been excited by microwave radiation.

4. Gas-discharge lamp - Wikipedia

   en.wikipedia.org/wiki/Gas-discharge_lamp

   A flicker light bulb, flicker flame light bulb or flicker glow lamp is a gas-discharge lamp which produces light by ionizing a gas, usually neon mixed with helium and a small amount of nitrogen gas, by an electric current passing through two flame shaped electrode screens coated with partially decomposed barium azide. The ionized gas moves ...

5. LED lamp - Wikipedia

   en.wikipedia.org/wiki/LED_lamp

   A 230-volt LED filament lamp, with an E27 base. The filaments are visible as the eight yellow vertical lines. An assortment of LED lamps commercially available in 2010: floodlight fixtures (left), reading light (center), household lamps (center right and bottom), and low-power accent light (right) applications An 80W Chips on board (COB) LED module from an industrial light luminaire, thermally ...

6. Mercury-vapor lamp - Wikipedia

   en.wikipedia.org/wiki/Mercury-vapor_lamp

   Some bulbs include a thermal switch which shorts the starting electrode to the adjacent main electrode, extinguishing the starting arc once the main arc strikes. The mercury-vapor lamp is a negative resistance device. This means its resistance decreases as the current through the tube increases. So if the lamp is connected directly to a ...

7. MicroLED - Wikipedia

   en.wikipedia.org/wiki/MicroLED

   Samsung demonstrated a 146-inch (3.7 m) microLED display called The Wall at CES 2018. [82] In July 2018, Samsung announced plans on bringing a 4K microLED TV to consumer market in 2019. [83] At CES 2019, Samsung demonstrated a 75-inch (1.9 m) 4K microLED display and 219-inch (5.6 m) 6K microLED display. [84]