Abstract: The present invention relates to a method for forming an organic EL element having at least one pixel type comprising at least three different layers including a hole injection layer (HIL), a hole transport layer (HTL) and an emission layer (EML), characterized in that the HIL, the HTL and the EML of at least one pixel type are obtained by depositing inks wherein the layers are annealed after said depositing steps in a first, second and third annealing step and the difference of the annealing temperature of the first and of the second annealing step is below 35° C., preferably below 30° C., more preferably below 25° C. and the annealing temperature of the third annealing step is no more than 5° C.

Abstract: The present invention relates to a formulation 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.

Abstract: The present invention relates to a formulation containing at least one organic functional material and at least two different organic solvents, a first organic solvent A and a second organic solvent B, wherein the first organic solvent A has a boiling point in the range from 250 to 350° C. and a viscosity of <15 mPas, the second organic solvent B has a boiling point in the range from 200 to 350° C and a viscosity of ?10 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; as well as to electroluminescent devices prepared by using these formulations.

Abstract: 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 to 1 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.

Abstract: The present invention relates to a formulation containing at least one organic functional material and at least two different solvents, a first organic solvent A and a second organic solvent B, wherein the first organic solvent A comprises a group, which is capable of receiving or giving a hydrogen bonding, and wherein the second organic solvent B has a boiling point in the range from 150 to 350° C. and the solubility of the at least one organic functional material in the second organic solvent is ?5 g/l.

Abstract: The present invention relates to a process for the preparation of an electronic device such as an organic electroluminescent device (OLED), wherein two adjacent functional layers having an interface are formed from solution in a kinetically controlled manner. The process is particularly suitable for fast and efficient production of electronic devices by printing or coating processes. The invention further relates to an electronic device which is obtainable by said process.

Abstract: The present invention relates to a method for forming an organic element of an electronic device having at least two different pixel types including a first pixel type (pixel A) and a second pixel type (pixel B) wherein at least one layer of the pixel A and one layer of pixel B are deposited by applying an ink at the same time, characterized in that the ink for manufacturing a layer for the pixel A and the ink for manufacturing a layer for the pixel B which are deposited at the same time are different and the layer obtained by depositing the ink for manufacturing a layer for the pixel A and the layer obtained by depositing the ink for manufacturing a layer for the pixel B are dried thereafter, wherein the relative difference of the drying time (t1?t2/t1) of both layers being deposited at the same time and being obtained by two different inks for manufacturing a layer for the pixel A and a layer for the pixel B is at most 0.

Abstract: 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 alkyl benzoate solvent, as well as to electronic devices prepared by using these formulations.

Abstract: A method of regioselectively preparing a pyridine-containing compound is provided. In particular embodiments, the method includes reacting halogen-functionalized pyridal[2,1,3]thiadiazole with organotin-functionalized cyclopenta[2,1-b:3,4-b?]dithiophene or organotin-functionalized indaceno[2,1-b:3,4-b?]dithiophene. Also provided is a method of preparing a polymer. The method includes regioselectively preparing a monomer that includes a pyridal[2,1,3]thiadiazole unit; and reacting the monomer to produce a polymer that includes a regioregular conjugated backbone section, wherein the section includes a repeat unit containing the pyridal[2,1,3]thiadiazole unit. A polymer that includes a regioregular conjugated backbone section, and electronic devices that include the polymer, are also provided.

Abstract: The present invention relates to formulations for the preparation of organic electronic devices which comprise at least one specific A/JV-dialkylaniline 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.

Abstract: The present invention relates to formulations for the preparation of organic electronic devices (OLEDs) which comprise (A) at least one specific ester solvent containing an aromatic group and (B) 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 earth metals, lanthanides and actinides.

Abstract: Embodiments of the invention include methods and materials for preparing organic semiconducting layers, for example one used in an organic semiconductor device including a substrate with a nanostructured surface and an organic semiconductor film overlying the nanostructured surface. The semiconductor film is typically formed from macroscopically ordered polymer fibers made from selected conjugate polymer compounds. Such polymer fibers synthesized from selected conjugated polymer compounds and directionally aligned in organic semiconductor devices can provide these devices improved functional properties, including for example, unexpectedly high field effect saturation mobilities.

Abstract: 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.

Abstract: The present invention relates to a formulation 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.

Abstract: Embodiments of the invention include methods and materials for preparing organic semiconducting layers, for example one used in an organic semiconductor device including a substrate with a nanostructured surface and an organic semiconductor film overlying the nanostructured surface. The semiconductor film is typically formed from macroscopically ordered polymer fibers made from selected conjugate polymer compounds. Such polymer fibers synthesized from selected conjugated polymer compounds and directionally aligned in organic semiconductor devices can provide these devices improved functional properties, including for example, unexpectedly high field effect saturation mobilities.

Abstract: Methods and materials for preparing organic semiconducting layers include, for example, one used in an organic semiconductor device including a substrate with a nano structured surface and an organic semiconductor film overlying the nanostructured surface. The semiconductor film is typically formed from macroscopically ordered polymer fibers made from selected conjugate polymer compounds. Such polymer fibers synthesized from selected conjugated polymer compounds and directionally aligned in organic semiconductor devices can provide these devices improved functional properties, including for example, unexpectedly high field effect saturation mobilities.

Abstract: A method of regioselectively preparing a pyridine-containing compound is provided. In particular embodiments, the method includes reacting halogen-functionalized pyridal[2,1,3]thiadiazole with organotin-functionalized cyclopenta[2,1-b:3,4-b?]dithiophene or organotin-functionalized indaceno[1,2-b:5,6-b?]dithiophene. Also provided is a method of preparing a polymer. The method includes regioselectively preparing a monomer that includes a pyridal[2,1,3]thiadiazole unit; and reacting the monomer to produce a polymer that includes a regioregular conjugated backbone section, wherein the section includes a repeat unit containing the pyridal[2,1,3]thiadiazole unit. A polymer that includes a regioregular conjugated backbone section, and electronic devices that include the polymer, are also provided.

Abstract: An organic light-emitting device includes a first transparent substrate, an organic light-emitting diode and a bi-stable light control element. The organic light-emitting diode is disposed under the first transparent substrate. The bi-stable light control element is disposed under the organic light-emitting diode. The bi-stable light control element is configured to change an optical state thereof according to a received control signal and thereby changing the amount of lights capable of emitting through the bi-stable light control element. A control method for the aforementioned organic light-emitting device is also provided.

Abstract: Methods and materials for preparing organic semiconducting layers include, for example, one used in an organic semiconductor device including a substrate with a nano structured surface and an organic semiconductor film overlying the nanostructured surface. The semiconductor film is typically formed from macroscopically ordered polymer fibers made from selected conjugate polymer compounds. Such polymer fibers synthesized from selected conjugated polymer compounds and directionally aligned in organic semiconductor devices can provide these devices improved functional properties, including for example, unexpectedly high field effect saturation mobilities.

Abstract: A stacked photovoltaic cell module includes, sequentially stacked, a substrate, a first electrode layer, a first carrier transport layer, a first light absorption layer, a connecting layer with a reflectivity of 10-60%, a second carrier transport layer, a second light absorption layer, and a second electrode layer. The second carrier transport layer has a first refraction index n1 and a first thickness D1, and the second light absorption layer has a second refraction index n2 and a second thickness D2, and the second carrier transport layer and the second light absorption layer satisfy ?1+?2?2?(n1D1+n2D2)/?=2m?. ?1 represents a reflective phase difference between the second electrode layer the second light absorption layer, ?2 represents a reflective phase difference between the second carrier transport layer and second light absorption layer, ? represents an absorption wavelength of the first light absorption layer, and m represents 0 or an integer.