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Priority to DE1958S0059413priorityCriticalpatent/DE1066293C2/de
Publication of DE1066293BpublicationCriticalpatent/DE1066293B/de
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H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
H05B33/00—Electroluminescent light sources
H05B33/12—Light sources with substantially two-dimensional radiating surfaces
H05B33/22—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
