Patents by Inventor Beaudouin de Cremoux

Beaudouin de Cremoux has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Electroluminescent diodes and a method of manufacturing same
    Patent number: 4024559
    Abstract: The present invention relates to a novel electroluminescent diode. Said diode comprises, inserted in one of the elements of the junction, a zone of the same conductivity type as said element and forming a junction with the other element. Said zone has a forbidden bandwidth which is less than those of the two elements, and which, for a given voltage, is the emissive part of the diode. The invention is applicable in particular to fiber optic telecommunications.
    Type: Grant
    Filed: January 26, 1976
    Date of Patent: May 17, 1977
    Assignee: Thomson-CSF
    Inventor: Beaudouin de Cremoux