The incandescent light bulb as we know it today, with a coiled filament of tungsten, was used extensively since the 1920s. A while some types are gradually being removed from those offered most will be available for many, many years yet.
The incandescent lamp is a source of electric light that works by passing an electric current through a thin filament, heating it until it produces light. The glass bulb contains an assortment of gases and always excludes oxygen as the hot filament would be destroyed rapidly by oxidation. Incandescent bulbs are also sometimes called electric lamps. An incandescent lamp is a resistive load and thus easily dimmed on all control gear.
The initial Europe wide ban only applies to 'non-directional' light bulbs, so does not affect any bulbs with reflective surfaces i.e. spotlights or halogen down lighters. Bulbs will be banned in a phased approach with non-clear (frosted or pearl) bulbs of higher wattages no longer being made or imported. The ban will move down to lower wattages, and the efficiency levels raised by the end of 2012 - that said halogen version of the bulb are being made more readily available and these will be on the market until at least 2016 by which stage it is hoped there is an even more efficient version. |
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(1).jpg "E27 Long Life Decorative Lamp - Tube")