Patents Assigned to Uniwersytet Warszawaki Instytut Fizyki Doswiadczalnej
  • Electroluminescent unit
    Patent number: 4194141
    Abstract: Electroluminescent device for emitting green light comprising a conducting cadmium fluoride crystal of electron concentration greater than 10.sup.15 cm.sup.-3 having a manganese impurity of N.sub.Mn concentration in the range: 0.1 mole percent <N.sub.Mn <5% mole percent, and an insulating or semi-insulating layer separating the metallic electrode from the crystal.
    Type: Grant
    Filed: September 28, 1978
    Date of Patent: March 18, 1980
    Assignees: Osrodek Badawczo-Rozwojowy Monokrysztalow, Uniwersytet Warszawaki Instytut Fizyki Doswiadczalnej
    Inventors: Teresa Langer, Barbara Krukowska-Fulde, Jerzy Langer