Merck Patent Gmbh

Promerus, Lcc

Raynergy Tek Incorporation

Flexenable Technology Limited

Li Wei Tan

Pawel Miskiewicz

Philip Edward May

Daniel Walker

Edgar Kluge

Piotr Wierzchowiec

Paul Craig Brookes

David Sparrowe

Tomas Backlund

Larry Funderburk Rhodes

Anja Jatsch

Aurélie Ludemann

Irina Martynova

Mark James

Manuel Hamburger

Andrew Bell

Changsheng Wang

Hsin-Rong Tseng

Christoph Leonhard

Gaëlle Béalle

Magda Goncalves-Miskiewicz

Stephen Bain

Rashmi Bhintade

Toby Cull

Hugh A Burgoon

Agnieszka Pron

Graham Morse

Irina Afonina

Graham Smith

Peter Levermore

Giles Lloyd

Jonathan Snow

Priti Tiwana

Nicolas Blouin

Sebastian Kowalski

Thomas Backlund

The invention relates to novel organic semiconducting (OSC) random copolymers containing a halo-substituted 4,8-dithiophenyl-benzodithiophene unit and a benzodithiophene-dione unit, to methods for their preparation and educts or intermediates used therein, to compositions and formulations containing them, to the use of the copolymers and compositions as organic semiconductors in, or for the preparation of, organic electronic (OE) devices, especially organic photovoltaic (OPV) devices, perovskite-based solar cell (PSC) devices, organic photodetectors (OPD), organic field effect transistors (OFET) and organic light emitting diodes (OLED), and to OE devices comprising these copolymers or compositions.

Organic semiconductors

The present invention relates to novel formulations comprising an organic semiconductor (OSC) and one or more organic solvents. The formulation comprises a viscosity at 25° C. of less than 15 mPas and the boiling point of the solvent is at most 400° C. Furthermore, the present invention describes the use of these formulations as inks for the preparation of organic electronic (OE) devices, especially organic photovoltaic (OPV) cells and OLED devices, to methods for preparing OE devices using the novel formulations, and to OE devices, OLED devices and OPV cells prepared from such methods and formulations.

Formulation and method for preparation of organic electronic devices

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.

Esters containing aromatic groups as solvents for organic electronic formulations

The present invention relates to formulations for the preparation of organic electronic devices which comprise at least one organic functional material and a mixture of at least two different solvents wherein a first organic solvent exhibits a lower boiling point than a second organic solvent and said first organic solvent exhibits a higher viscosity than said second organic solvent.

Formulations containing a mixture of at least two different solvents

Electronic device and associated methods with multiple well areas located on a common substrate, where each well area is defined by at least three bank structures that form the side walls of the well area. Within each well area, there are at least two electrode segments where the electrode segments are separated laterally by at least one insulating bank where the insulating bank(s) are thicker than the electrode segments. There is at least one charge transporting layer completely filling the well area in direct contact and overlying both the electrode segments and the insulating bank(s). The well areas are filled using solution methods such as inkjet. Such devices have improved uniformity across the active areas.

Electronic device with bank structures

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 contains at least one epoxy-group as well as to electronic devices prepared by using these formulations.

Formulation of an organic functional material comprising an epoxy group containing solvent

The present invention relates to an ink composition comprising an organic functional material having a molecular weight of at most 5,000 g/mol and a first organic solvent selected from the group consisting of terpene, terpenoid, and combination of any of these, as well as to the use of the ink composition, an electronic device prepared by using the ink composition and method for preparing/fabricating thereof.

Ink composition of an organic functional material

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 contains at least one norbornene group as well as to electronic devices prepared by using these formulations.

Formulation of an organic functional material

A photolithiographic method for fabricating bank structures with improved non-wetting properties to form well regions on a substrate using a photoresist composition comprising a cresol novolak resin, a photoactive diazonaphthoquinone sulfonic ester of a polyhydroxybenzophenone compound with at least one free hydroxyl group, and a non-ionic urethane polyglycol fluorosurfactant. Inkjet methods can be used to deposit active materials into the well areas. Color filter arrays and optoelectronic devices such as OLED devices can be made by this method.

Patterned bank structures on substrates and formation method

The present invention relates to a process for producing an organic electronic device, wherein a layer is selectively swelled with a swelling solvent so as to form bank structures allowing the deposition of the semiconductor material in a specific and well-defined area. The present invention further relates to bank structures, organic electronic devices and products or assemblies produced by said process.

Method for producing organic electronic devices with bank structures, bank structures and electronic devices produced therewith

The invention relates to organic electronic devices containing polycycloolefin planarization layers between the substrate and a functional layer such as a semiconducting layer, dielectric layer, or electrode; to the use of polycycloolefins as a planarization layer on the substrate of an organic electronic device; and to processes for preparing such polycycloolefin planarization layers and organic electronic devices.

Planarization layer for organic electronic devices

Embodiments in accordance with the present invention relate generally to formulations for use in organic semiconductor layers of organic electronic devices, and more specifically in organic field effect transistors, to organic semiconductor layers prepared from such formulations, and to organic electronic devices and organic field effect transistors encompassing such organic semiconductor layers.

Polycycloolefinic polymer formulation for an organic semiconductor

The present invention relates to novel formulations comprising an organic semiconductor (OSC) and one or more organic solvents. The formulation comprises a viscosity at 25&#xb0; C. of less than 15 mPas and the boiling point of the solvent is at most 400&#xb0; C. Furthermore, the present invention describes the use of these formulations as inks for the preparation of organic electronic (OE) devices, especially organic photovoltaic (OPV) cells and OLED devices, to methods for preparing OE devices using the novel formulations, and to OE devices, OLED devices and OPV cells prepared from such methods and formulations.

The present invention relates to a process for the treatment of electrodes in organic electronic (OE) devices, in particular organic field effect transistors (OFETs), to devices prepared by such a process, and to materials and formulations used in such a process.

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Eastleigh, United Kingdom

Li Wei Tan