Incandescent lamps

The light bulb or due to its form is called the light bulb the oldest electrical Light source And then revolutionized the lighting market. The American Thomas Alva Edison is usually titled as the inventor, whereby he actually only decisively developed the incandescent lamp. This illuminant is a typical temperature radiator because it ultimately generates more heat than light. Only 5% of the energy are actually converted into light, everything else is heat radiation, which is why the majority is in the infrared area.

A light bulb works and then lights up due to its light thread, which is located inside the glass flask. This begins to glow when the power is intended and thus releases light. Due to the very poor energy balance of incandescent lamps, especially compared to LEDs, this was determined in the European Union in accordance with Regulation number 244/2009 "Requirements for the environmentally friendly design of household lamps with unexpected light". The light bulbs were therefore gradually removed from the market, apart from special lights such as ovens or refrigerators.

Other reasons for a high quality LED In addition to energy efficiency, lamps instead of a light bulb are also the shorter lifespan of incandescent lamps and the associated long -term costs. The well -known lamp is slowly removed from all households and replaced by new products.