SRS LED Billboards

 

Digital Advertising with LED Billboards in Del Rio, Texas.

LED Signs - LED Commercial Signs - LED Billboards    

Del Rio, Texas

(866)860-4245

Del Rio, Texas - LED Signs - LED Locations - LED Commercial Signs - LED Billboards - Texas LED Billboards - LED Billboard Rental


How LED'S Work

LEDs create light by electroluminescence in a semiconductor material. Electroluminescence is the phenomenon of a material emitting light when electric current or an electric field is passed through it - this happens when electrons are sent through the material and fill electron holes. An electron hole exists where an atom lacks electrons (negatively charged) and therefore has a positive charge. Semiconductor materials like germanium or silicon can be "doped" to create and control the number of electron holes. Doping is the adding of other elements to the semiconductor material to change its properties. By doping a semiconductor you can make two separate types of semiconductors in the same crystal. The boundary between the two types is called a p-n junction. The junction only allows current to pass through it one way, this is why they are used as diodes. LEDs are made using p-n junctions. As electrons pass through one crystal to the other they fill electron holes. They emit photons (light).


 

 

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