Electroluminescent unit

Details Electroluminescent unit Electroluminescent unit

1978-09-28

1980-03-18

Parr, E. Suzanne

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

252512, 252521, 2523014H, H01J 163, C09K 1110

Patent

active

041941411

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.

REFERENCES:
patent: 3503812 (1970-03-01), Prener et al.
patent: 3541375 (1970-11-01), Aven
Appl. Phys. Lett. 34(3), Feb. 1, 1979, "Semiconducting CdF.sub.2 :Mn-A New Material for Efficient Blue-Green Electroluminescence".
Journal of Crystal Growth 1 (1967) 183-186, "Preparation and Some Properties of CdF.sub.2 Single Crystals".

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