People from time immemorial sought to light the way and the dwelling. Ancient cave people used fire, and in many years antique Greeks thought up the oil lamp which superficially is very resembling chaynichek. Through its nose the match with which lit the road was passed.
In the eighteenth century invented special lamp glass, and in the nineteenth learned to extract kerosene, and, having combined these two technologies, there were oil lamps. But scientists did not stop on reached and with 1840 to 1870 tens experiments which, as a rule, came to an end with a failure were carried out. And only in 1872 good luck smiled to Alexander Lodygin – the bulb burned only half an hour, but it gave an impetus to further development of electricity. This further development was made by the American inventor Thomas Edison. Investigating Lodygin's bulb, Thomas made the which shone much more long. And practical American began to let out bulbs at plant, thereby having opened for them the road to the world.
LED lamps today
The modern world cannot be presented without lighting. Hundreds of big cities submit inhabitants the magic night panoramas: the beautiful skyscrapers lit with thousands of small sparks or billboards which rivet on themselves attention of buyers is does not leave indifferent anybody.
One of the most perspective directions of technologies of artificial lighting – LED bulbs. In comparison with ordinary glow lamps the light-emitting diode have a set of advantages.Safety:
LED lamps do not constitute danger in case of destruction or failure because do not contain mercury-containing substances, therefore, the probability of poisoning with mercury is excluded. Economy:
LED lamps very economically use energy in comparison with her predecessors therefore costs of electricity are much lower, but thus cost in itself rather much.Durability:
in comparison with ordinary glow lamps, light-emitting diode possess high durability and incidentally it is actually impossible to break them.Durability:
at rational use will serve much more long than the usual.
Application of LED lamps
On the basis of light-emitting diodes make a huge number of various illuminants. Here some of the directions where light-emitting diodes become more popular:
1) Even more often according to streets, show-windows and billboards LED searchlights are applied. Bright light which they radiate, will add to any building originality and uniqueness, and long service life and low energy consumption does them irreplaceable.
Using at once some flowers, it is possible to create the interesting design project which will not leave anybody indifferent and will add bright paints of life.
Convenient fastenings will allow to attach a LED searchlight without difficulties and it is easy to change the direction of light.
2) Also LED lamps are even more often used according to inhabited and office rooms. Originally such lamps had a unique design, industrial release of LED lamps practically under all types of socles is adjusted now, and you will be able easily to replace glow lamps in all house.
For the house it will become ideal option not only because of economy, but also because of safety. LED lamps very strong and to break them – it is necessary to try very strongly therefore small children will not be able incidentally to break a bulb and to be cut.
3) Except lighting, LED modules are used in design, information transfer and advertizing. On the basis of this technology numerous screens and a board work worldwide, after all LED (LED) screens in itself have a number of advantages: they possess the high brightness and reliability, and also allow to assemble the screen of the huge size (the biggest LED screen has the area of 1070 square meters).
In everyday life we also very often meet LED lighting: on various information displays (for example, the schedule at stations, exchange rates). But whether it is an indicator of what LED lamps deserve special attention and trust?