Merck Patent Gmbh

Osram Oled Gmbh

Beate Burkhart

Philipp Stoessel

Holger Heil

Lara-Isabel Rodriguez

Sebastian Meyer

Katja Scheible

Rouven Linge

Nils Koenen

Amandine Darsy

Miriam Engel

Manuel Hamburger

Christoph Leonhard

Fabrice Eckes

Anja Jatsch

Elvira Montenegro

Thomas Eberle

Günter Schmid

Frank Voges

Dominik Joosten

Hsin-Rong Tseng

Gaëlle Béalle

Henning Seim

Florian Kessler

Aaron Lackner

Katja Stegmaier

Christian Matuschek

Gaelle Béalle

Linge Rouven

Matthias Hengst

Lara-lsabel Rodriguez

Itai Lieberman

Katja Maria Scheible

The invention relates to polymers having at least one repeating unit of the following formula (I): wherein Ar, Ar, Arand Ar, R and X, and a, b, c, d, e and f can have the meanings defined in claim, to processes for the preparation thereof and to the use thereof in electronic or optoelectronic devices, in particular in organic electroluminescent devices, so-called OLEDs (OLED═Organic Light Emitting Diodes). The present invention also relates to electronic or optoelectronic devices, in particular organic electroluminescent devices, which contain said polymers.

Polymers with amine-group-containing repeating units

The present invention relates to formulations comprising at least one hyper-branched polymer which contains 30 to 70 mol % of at least one hole-transporting recurring unit A, 5 to 30 mol % of least one branching recurring unit B, 5 to 30 mol % of at least one further recurring unit C and 5 to 40 mol % of least one end group E, where the recurring units A, B and C are different from one another, and at least one organic solvent, characterised in that the formulation has a viscosity of ≤25 mPas. The present invention furthermore relates to the corresponding hyperbranched polymers and to processes for the preparation thereof. The present invention additionally also relates to the use of the hyperbranched polymers according to the invention in electronic or opto-electronic devices, and to electronic or opto-electronic devices containing these polymers.

Formulation containing a highly branched polymer, highly branched polymer and electro-optical device containing this highly branched polymer

The present invention relates to compounds of formula (1). The compounds are suitable for use in electronic devices, in particular organic electroluminescent devices, comprising these compounds. In some embodiments, the compounds are used as matrix materials for phosphorescent or fluorescent emitters as well as a hole-blocking or electron-transport materials. 

Materials for organic electroluminescent devices

The present application relates to a blue light-emitting organic electroluminescent device (OLED) having an anode, a cathode, at least one blue light-emitting layer and at least one hole-transport layer, wherein the at least one blue light-emitting layer comprises an elongated bis-indenofluorene derivative as a main component and wherein the at least one hole-transport layer comprises a polymer with non-conjugated units as a main component as well as to a method for producing the organic electroluminescent device.

Organic electroluminescent device

The present application relates to a polymer containing at least one structural unit of a formula (I). The polymer is suitable for use in an electronic device.

Materials for electronic devices

The present application relates to a polymer containing at least one structural unit of a formula (I) and at least one further structural unit selected from structural units A, B and C. The present application further relates to the use of the polymer in an electronic device and to a process for preparing the polymer. The present application further relates to an electronic device comprising the polymer.

A method produces cross-linked hole-conducting electric layers by converting functionalized p-dopants. The functionalized p-dopants are organic metal complexes containing at least one central atom and organic ligands, wherein the central atom is selected from a metal of the groups 6-15 of the periodic table, and at least one of the organic ligands is selected from the following formulas I-V, in which E independently of one another is oxygen, sulfur, selenium, or N(E), and each Rhas at least one functionalizing group selected from the group Rincluding &#x2014;OH, &#x2014;COOH, &#x2014;NH, &#x2014;NHR', halogen, C2-C40-alkenyl, -dienyl, -alkinyl, -alkenyloxy, -dienyloxy, -alkinyloxy, acrylic acid, oxetan, oxiran, silane, acrylic acid, anhydride, and cyclobutane or consists of the groups, and G=C(R)HFwhere u+v+w=3 and n=1-4.

Crosslinking p-dopants for p-doping organic hole conductors

The present invention relates to the compounds of the formulae (1) and (2) and to organic electroluminescent devices, in particular blue-emitting devices, in which these compounds are used as host material or dopant in the emitting layer and/or as hole-transport material and/or as electron-transport material. 

Phenoxazine derivatives for organic electroluminescent devices

The present application relates to a compound of a formula (I) or formula (II) which is suitable for use as functional material in an electronic device, especially as emitter material in an organic electroluminescent device.

6,9,15,18-tetrahydro-s-indaceno[1,2-b:5,6-b']difluorene derivatives and use thereof in electronic devices

The present application relates to a substituted benzanthracene compound of a formula (I) or (II). The application furthermore relates to an electronic device which comprises the said benzanthracene compound.

Described herein is 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 description further relates to an electronic device which is obtainable by said process.

Process for making electronic device

The present application relates to compounds of a formula (I), to the use thereof in organic electroluminescent devices, and to processes for preparing these compounds.

The present invention relates to the compounds of the formula (1) and to organic electroluminescent devices, in particular blue-emitting devices, in which these compounds are used as host material or dopant in the emitting layer and/or as hole-transport material and/or as electron-transport material.

The invention relates to compounds with benzindenofluorene base bodies having a structure of formula (I): and to the use thereof in electronic devices, in particular in organic electroluminescent devices.

The present invention relates to a compound of formula (I) or (II), which is suitable for use as functional material in an electronic device, in particular as emitter material in an organic electroluminescent device.

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Darmstadt, Germany

Beate Burkhart