Design and testing of an EL Tri Color combination lamp for emergency and technical vehicles

The article presents the scope and methods of testing the EL Tri Color special warning lamp on the example of cooperation between the manufacturer F.H.U. Edward Łukasz Szulc and the Kielce University of Technology. Problems related in particular to the luminous parameters and methods of solving them have been presented. The result of the cooperation was a lamp design that conforms to the requirements of relevant Regulations and directives of the European Union. The lamp obtained the homologation and possibility of sale on European markets.