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Grundlagenuntersuchungen zur Farb-Elektrolumineszenz Abschlussbericht

By T. Gaertner, G. Gers, R.H. Mauch, K.O. Velthaus, U. Troppenz, G. Schulz, B. Reinsperger, R. Herrmann, B. Huettl, E. Lenz and Heinrich-Hertz-Institut fuer Nachrichtentechnik Berlin GmbH (HHI) (Germany)

Abstract

The project aimed on the development of a thin film technology which allows to fabricate Alkaline Earth Sulfide based light emitting layers, mainly SrS:Ce, as well as on the physical investigations of the achievable luminance and efficiency of this luminescent material. The results of the project should lead into the decision whether full colour thin film electroluminescent displays according to the easy manufacturable 'colour by white' concept can be realized. The report deals with the technological advances which have been obtained by applying the newly introduced reactive evaporation technique. The achieved efficiences by an optimized codoping with Mn or ZnS have been in such a way improved that the applicability could be demonstrated. This counts also for the investigation of the degradation behavior. Hence, the 'colour by white' concept has been fully approved. The basic physical investigations which were done on the efficient light emitting layers yielded into the assumption that the luminescence properties of the thin films are roughly one order of magnitude worse compared to SrS:Ce-powders which were used as a model substance. Therefore the thin films be improved accordingly. (orig.)SIGLEAvailable from TIB Hannover: F96B305+a / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekBundesministerium fuer Bildung, Wissenschaft, Forschung und Technologie, Bonn (Germany)DEGerman

Topics: 09A - Components, 09E - Power transmission, signal transmission, THIN FILMS: M, ALKALINE EARTH SULFIDES: M, REACTIVE EVAPORATION: M, ELECTROLUMINESCENCE, WHITE EMITTER, RF-SPUTTERING, INSULATOR FILM, DEGRADATION, X-RAY DIFFRACTOMETRY, RADIATIVE DECAY, PHOTOLUMINESCENCE
Year: 1996
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Provided by: OpenGrey Repository
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