摘要:
Die vorliegende Erfindung betrifft Formulierungen enthaltend mindestens ein hyperverzweigtes Polymer, welches von 30 bis 70 mol% mindestens einer lochtransportierenden Wiederholungseinheit A, von 5 bis 30 mol% mindestens einer verzweigenden Wiederholungseinheit B, von 5 bis 30 mol% mindestens einer weiteren Wiederholungseinheit C und von 5 bis 40 mol% mindestens einer Endgruppe E aufweist, wobei die Wiederholungseinheiten A, B und C voneinander verschieden sind, und mindestens ein organisches Lösungsmittel, dadurch gekennzeichnet, dass die Formulierung eine Viskosität von ≤25 mPas aufweist. Die vorliegende Erfindung betrifft ferner die entsprechenden hyperverzweigten Polymere sowie Verfahren zu deren Herstellung. Die vorliegende Erfindung betrifft darüber hinaus auch die Verwendung der erfindungsgemäßen hyperverzweigten Polymere in elektronischen bzw. optoelektronischen Vorrichtungen sowie elektronische bzw. opto-elektronische Vorrichtungen enthaltend diese Polymere.
摘要:
The present invention relates to a formulation containing at least one organic functional material and at least three different organic solvents, selected from at least two different organic solvents A and at least one organic solvent B, wherein at least one organic solvent A has a boiling point in the range from 250 to 350°C and a viscosity of ≥15 mPas, the at least one organic solvent B has a boiling point in the range from 200 to 350°C and a viscosity of ≤ 10mPas, and the solubility of the at least one organic functional material in the second organic solvent B is ≥5 g/l;as well as to electroluminescent devices prepared by using these formulations.
摘要:
The present invention relates to a printing method comprising the following steps: (a) providing a substrate, having at least two different pixel types, a first pixel type A and a second pixel type B, (b) printing a first ink A, containing at least one organic functional material A and at least one organic solvent A, into pixel type A or into the at least two different pixel types, (c) printing a second ink B, containing at least one organic functional material B, which is different from the organic functional material A, and at least one organic solvent B, into the at least two different pixel types A and B, and (d) thereafter drying the different pixel types, as well as to a kit of inks.
摘要:
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.
摘要:
The present invention relates to a formulation for manufacturing organic semiconducting devices containing at least one organic functional material and at least a first and a second solvent, characterized in that the first solvent is a siloxane. Preferably, the siloxane is a cyclic siloxane selected from octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane,dodecamethylcyclohexasiloxane, tetradecamethylcycloheptasiloxane,hexaethylcyclotrisiloxane, octaethylcyclotetrasiloxane, 2,4,6,8,10-pentaethyl-2,4,6,8,10-pentamethylcyclopentasiloxane and 2,4,6-triethyl-2,4,6-trimethylcyclotrisiloxane.
摘要:
The present application provides an ink system, comprising the following components: a) a first formulation comprising at least one first film-forming organic functional material and at least one first organic solvent, b) a second formulation comprising at least one second film-forming organic functional material and at least one second organic solvent, characterized in that (i) the first and second organic solvents are different from each other; (ii) the first film-forming organic functional material has a dissolution time of more than 15 minutes, preferably more than 30 minutes and more preferably more than 60 minutes in the second organic solvent, wherein the dissolution time is determined at room temperature and at a concentration of 7 g/L of the first film-forming organic functional material in the second organic solvent.
摘要:
The present invention relates to a formulation containing at least one organic functional material and a mixture of three different organic solvents, a first organic solvent A, a second organic solvent B and a third organic solvent C, characterized in that the first organic solvent A has a boiling point in the range from 250 to 350°C and a viscosity of ≥ 10 mPas, the second organic solvent B has a boiling point in the range from 200 to 350°C and a viscosity in the range from 2 to 5 mPas and the third organic solvent C has a boiling point in the range from 100 to 300°C and a viscosity of ≤ 3 mPas, the solubility of the at least one organic functional material in the second organic solvent B is ≥ 5 g/l, and the boiling point of the first organic solvent A is at least 10°C higher than the boiling point of the second organic solvent B, to the use of this formulation for the preparation of electronic devices as well as to electronic devices prepared by using these formulations.
摘要:
The present invention relates to formulations containing at least one organic functional material and at least a first organic solvent, wherein said first organic solvent is an isosorbide, a derivative or a stereoismer thereof as well as to electronic devices prepared by using these formulations.
摘要:
The present invention relates to emulsions comprising organic functional materials, to methods for their preparation, and the use of said formulations for the preparation of electronic and opto-electroinic devices.
摘要:
The present invention relates to a formulation containing at least one organic functional material and at least four different organic solvents, a first organic solvent A, a second organic solvent B, a third organic solvent C, and a fourth organic solvent D, wherein the first organic solvent A comprises a group, which is capable of receiving or giving a hydrogen bonding, the second organic solvent B has a boiling point in the range from 50 to 350°C, the third organic solvent C has a boiling point in the range from 100 to 300°C, and the fourth organic solvent D has a boiling point in the range from 200 to 400°C, is present in an amount from 0,01 to1 vol.-% and has a viscosity of ≥15 mPas, the solubility of the at least one organic functional material in the second organic solvent B and in the fourth organic solvent D is ≥5 g/l, the boiling point of the third organic solvent C is at least 10°C lower than the boiling point of the second organic solvent B; and the boiling point of the fourth organic solvent D is at least 10°C higher than the boiling point of the second organic solvent B; as well as to electrolumines-cent devices prepared by using these formulations.