That may not seem to be a brilliant invention, but in the lighting business it is a breakthrough. Although still at the laboratory stage, it will eventually mean that bulky power electronics and transformers will no longer have to be used with Car LED lights, which brings down costs, simplifies design and allows them to be fitted into more products. In recent years the emergence of mains-powered CFLs and LEDs has started to turn them into direct plug-in replacements for incandescent bulbs. CarLED lights , however, will fulfil a different role.
Car LED lights cost a lot more, but they are even more efficient. Philips , which is part of Germany’s Siemens, recently launched the Parathom Classic, car LED lamp shaped like conventional 55 Watt light bulb. It uses 92% less power than an old-type bulb and has an average life of 28,000 hours. The quality of light from these new bulbs is different. Some people prefer the warmer glow of an incandescent bulb to the light produced by CFL. Nor do they like the time it takes for these bulbs to reach their maximum illumination. Unlike an incandescent bulb, which uses electricity to heat up a wire filament sitting in a low pressure inert gas encased in glass, They work by applying a current to two layers of semiconductor, which creates a flow of electrons and releases energy in the form of light. LED Lights have been around for some time, but mostly blinking away as little red indicator lights in electronic equipment. White-light LEDs now appear in all sorts of places; on cars, in torches and in lamps. LEDs are similar to LEDs but are made from layers of organic material which illuminate when a charge is applied to them. Until now that charge needed to be a low-voltage direct-current source, like that from batteries, rather than the alternating higher-powered currents delivered over the mains. So far, LEDs are mainly used as displays in products like mobile phones, illuminated signs and certain televisions. So, instead of a light bulb hanging from a ceiling, a LED panel could form part of the ceiling or even a wall. And transparent LEDs mean they could also be put into windows.