Osram Sylvania celebrates 25th anniversary of its CFL

Anthony Capkun
April 24, 2010
By
Osram Sylvania is marking the 25th anniversary of its first modern, compact fluorescent (CFL) light bulb that screwed in like an incandescent and featured an integrated electronic ballast.
According to Wikipedia, the modern CFL was invented by Edward E. Hammer, an engineer with General Electric, in response to the 1973 oil crisis. In 1980, Philips introduced its model SL—a screw-in lamp with integral ballast. Then, in 1985, Osram started selling its model EL lamp.

CFL technical specifications - then and now1985
2010
Average lifespan6000 hours
12,000 hours
Size
8.1 in. 
3.8 in.
Wattage7, 11, 15, 205, 10, 13, 20, 23, 26
Shape
Stick
Twist
Colour temperature
Warm White
Warm White, Bright White, Daylight
Mercury
10-15 mg
<1.5 mg
Price
$50.00
$4.99

 * Info provided by Osram Sylvania

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