LEDs and accessories

The led lights and accessories - Led is a semiconductor devicewhich emits electromagnetic radiation in the range of visible light, ultraviolet or infrared radiation, under the influence of electric current through its structure. The LEDs currently produced are characterized by a wide palette of colors produced, including white light, and the emission of photons outside the range of the visible spectrum - in the infrared or ultraviolet. In our store you will find the necessary light-emitting diodes , as well as accessories for their installation, or their power or control.


  • LEDs LEDs

    LED - light emitting Diode (LED) is a semiconductor light source often used in electronic equipment because of their good optical and electrical as well as low price. The led is illuminated with light, usually of the same color, although available in our store, LEDs,...

  • The RGB LEDs The RGB LEDs

    Light emitting diodes are semiconductor electronic devices that emit light in monochrome, when contained in this element PN connector electric current runs. If in one case put three LEDs - red, green and blue, by controlling the relative brightness of each of them, perhaps a...

  • Strips and LED matrix Strips and LED matrix

    Belts, chains and the matrix consisting of LEDs.

  • LEDs laser LEDs laser

    Led laser - Lasers were created nearly 80 years ago, but much of its history it was a huge laser modules high price, who worked mostly in the physical testing laboratories. From the invention and introduction in the stores of laser diodes, their value fell sharply, which led...

  • LEDs IR infrared LEDs IR infrared

    Infrared radiation (IR) is electromagnetic radiation with longer wavelengths than visible light and therefore invisible to the human eye. The wavelengths of the IR range from the nominal red edge of the visible spectrum at 700 nanometers to 1 millimeter (300 GHz). Light...

  • Holders for LEDs Holders for LEDs

    Despite the universal availability of color touch screens with high resolution, in many cases still fit the simplest means of communication of the device with the user. The ideal form of the optical signalling LEDs – these, however, is put in the appropriate frames to not only...

  • Led drivers Led drivers

    Module to control the LEDs.


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Light emitting diodes - semiconductor light sources

LEDs are very popular electrical light source, which in many cases displaces conventional heat lamp, halogen or fluorescent lamp of the compact, available in energy-saving lamps. It was not always so - in the time to market, LEDs have identified a little light and was only used as a replacement for small bulbs and jarzeniówek used as a control, for example, in electronic equipment. Only recently appeared in the sale of light-emitting diodes are capable of lighting environment. It coincided in time with the introduction of white LEDs, using special phosphors and colorful structure INDICATOR for radiation broad spectrum.

The history of LEDs

The first light-emitting diodes appeared on the market in 1962 they were allocated to infrared light of low intensity. Over the next six years, HP has developed the solutions to create the first red LED. Been marked, they are of small intensity, which led to what was fit only for use as indicators. It then created today's popular led displays siedmiosegmentowe. In the following decades, developing semiconductor materials and technologiesthat made possible the emergence of intense colors in a wider wavelength range of operation. It is possible to create white LEDs, which are made of materials that emit the colors red, green and blue, so our eyes register emissions as white light. Over 40 years of development light emitting diodes have increased their emission efficiency (lumens per watt) by about seven orders of magnitude. Modern LEDs are available in wavelengths of visible, ultraviolet and infrared and have very high performance emissions.

LEDs - working Principle and design glowing led light

In LEDs light is generated by recombination of electrons and holes in półprzewodniku. This process is called elektroluminescencją, hence the name. An led is a device złączowym. In the structure of PN occur natural areas, enriched where there is an excess of electrons (N) and holes (P). Under the action of applied current, the electrons move from the N region and rekombinują with holes existing in the region P. the Free electrons are in the conduction band and the holes in the band walencyjnym. The difference of the energy levels must be dissipated to zrekombinować electrons and holes. This energy is in the form of a photon of light. The length of the interaction of electromagnetic waves depends on the break energy efficiency - the distance between the conduction band and near walencyjnym - this semiconductor.