If you concentrate and look at the illuminated address plaques¸ you will find a definite reason for using them. It is obvious to everyone that the plaques are used to define the identity of the house. But you would also have to admit the fact that these plaques may not be visible if they are not placed at the right location. Moreover, these plaques may not be visible during the night or sometimes the atmosphere may be hazy. In that case the best possible option can be illuminated address plaques. Light emitting diodes are mostly used in these sorts of plaques.