Forming homogeneous mixtures of organic materials for physical vapor deposition using a solvent

A method for forming homogeneous mixtures of powders of organic materials, which include, at least one dopant component and one host component, to provide a homogeneous mixture for use in thermal physical vapor deposition to produce an organic layer on a substrate for use in an organic light-emittin...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CARLTON DONN B, GHOSH SYAMAL K, HATWAR TUKARAM K
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL ELECTRICITY FOR PERFORMING MECHANICAL WORK IN GENERAL GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MAKING GRANULES OR PREFORMS METALLURGY METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICALVIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A method for forming homogeneous mixtures of powders of organic materials, which include, at least one dopant component and one host component, to provide a homogeneous mixture for use in thermal physical vapor deposition to produce an organic layer on a substrate for use in an organic light-emitting device. The method includes combining organic materials, such organic materials including at least one dopant component and one host component and providing a solvent with the organic materials to form a suspension of organic powders in the solvent. Subsequently mixing the suspension to form a solution of the organic materials in the solvent and finally evaporating the solvent from the solution leaving a homogeneous mixture of organic powder.