Electroluminescence as a phenomenon was discovered in 1907 by the British experimenter H. J. Round of Marconi Labs, using a crystal of silicon carbide and a cat's-whisker detector.
Elektroluminestsents kui nähtuse avastas inglasest eksperimenteerija H. J. Round aastal 1907Marconi Laboratooriumis, kasutades ränikarbiidkristalli ja ''cat’s-whisker'' kristallidetektorit.