ESTERS CONTAINING NON-AROMATIC CYCLES AS SOLVENTS FOR OLED FORMULATIONS

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The present invention relates to formulations for the preparation of organic electronic devices (OLEDs) which comprise at least one specific ester solvent containing a non aromatic cycle and at least one organic functional material selected from organic conductors, organic semiconductors, organic fluorescent compounds, organic phosphorescent compounds, organic light-absorbent compounds, organic light-sensitive compounds, organic photosensitisation agents and other organic photoactive compounds, selected from organometallic complexes of transition metals, rare earths, lanthanides and actinides.