Koninklijke Philips Corporation N.v.

Basf Se Corporation

U.S. Philips Corporation

Osram Opto Semiconductors Gmbh

Udc Ireland Limited

Oledworks Gmbh

Siemens Aktiengesellschaft

Osram Oled Gmbh

Osram Opto Semiconductor Gmbh

Koninklijkle Philips N.v.

Koninklijke Philips Electronics N.v.

Philips Intellectual Property & Standards Gmbh

Herbert Friedrich Boerner

Christian Lennartz

Nicolle Langer

Oliver Molt

Evelyn Fuchs

Volker Van Elsbergen

Gerhard Wagenblast

Guenter Schmid

Christian Schildknecht

Soichi Watanabe

Korinna Dormann

Hans Nikol

Josef Salbeck

Hans-Peter Loebl

Ralf D Krause

Arvid Hunze

Stefan Peter Grabowski

Sören Hartmann

Herbert Lifka

Karsten Heuser

Thomas Gessner

Wolfgang Busselt

Thomas Justel

Holger Schwab

Ingo Muenster

Helga Hummel

JianQiang Qu

Claudia Michaela Goldmann

Elena Popova

Cornelis Reinder Ronda

Edward Willem Albert Young

Dietrich Bertram

Petrus Cornelis Paulus Bouten

Peter Van De Weijer

Peter Strohriegl

Markus Haase

Ingo Münster

Christoph Rickers

Rainald Gierth

Peter Josef Schmidt

Hans-Helmut Bechtel

Herfried Karl Wieczorek

Günter Schmid

Adrianus Sempel

Joerg Meyer

Jens Rudolph

Thomas J&uuml;stel

Ulrich H Kynast

Hans Helmut Bechtel

Thomas Geßner

Detlef Raasch

Stefan Kirsch

Volker Lambert Van Elsbergen

Chuanjie Loh

Pamela Schroegel

Bjoern Pampuch

Piet Snijder

Soichi Dr-Ing Watanabe

Evelyn Dr Fuchs

Oliver Dr Molt

Van Volker Elsbergen

The present invention relates to heteroleptic complexes comprising a phenylimidazole or phenyltriazole unit bonded via a carbene bond to a central metal atom, and phenylimidazole ligands attached via a nitrogen-metal bond to the central atom, to OLEDs which comprise such heteroleptic complexes, to light-emitting layers comprising at least one such heteroleptic complex, to a device selected from the group consisting of illuminating elements, stationary visual display units and mobile visual display units comprising such an OLED, to the use of such a heteroleptic complex in OLEDs, for example as emitter, matrix material, charge transport material and/or charge blocker.

Heteroleptic carbene complexes and the use thereof in organic electronics

The invention relates to an electroluminescent device () comprising a layer system with a substrate () and on top of the substrate () a substrate electrode (), a counter electrode () and an electroluminescent layer stack with at least one organic electroluminescent layer () arranged between the substrate electrode () and the counter electrode (), characterized in that at least one optical transparent outcoupling body () is provided on top of the substrate electrode () to increase the outcoupling of light generated by the at least one organic electroluminescent layer () at least partly covering the optical transparent outcoupling body (). The invention further relates to a method to manufacture such a device.

Method and an apparatus for an electroluminescent device with improved outcoupling

The invention relates to OLEDs () having a substrate (), a first electrode layer (), a layer of organic electroluminescence material (), a second electrode layer (), a cover layer (), moisture-absorbing means () and a separating foil () of resilient material. According to the invention, said foil () is positioned between the second electrode layer () and the moisture-absorbing means (). This feature results in a longer mean life-time of the OLED. Advantageously spacer structures () (preferably formed as dots) are applied on the separating foil () between the foil () and the cover (). This prevents discoloring effects around the rim of the OLED material.

Organic electroluminescence device with separating foil

Electroluminescent device

A triphenylene derivative useful for the production of organic light emitting diodes.

Organometallic complexes which emit in the red to green spectral region and their use in OLEDs

An electroluminescent device () comprising a substrate () and on top of the substrate () a substrate electrode (), a counter electrode () and an electroluminescent layer stack with at least one organic electroluminescent layer () arranged between the substrate electrode () and the counter electrode (), characterized in that at least one image carrier body () is at least partially arranged on the substrate electrode (), suitable to influence the appearance of the device ().

The present invention relates to silyl- and heteroatom-substituted compounds selected from carbazoles, dibenzofurans, dibenzothiophenes and disilylbenzophospholes of the formula (I) or (I*), to the use of the compounds of the formula (I) or (I*) in organic electronics applications, preferably in organic light-emitting diodes, to an organic light-emitting diode comprising at least one compound of the formula (I) or (I*), to a light-emitting layer comprising at least one compound of the formula (I) or (I*), to a blocking layer for holes/excitons comprising at least one compound of the formula (I) or (I*), and to an apparatus selected from the group consisting of stationary visual display units, mobile visual display units, illumination units, keyboards, items of clothing, furniture and wallpaper, comprising at least one inventive organic light-emitting diode.

Silyl- and heteroatom-substituted compounds selected from carbazoles, dibenzofurans, dibenzothiophenes and dibenzophospholes, and use thereof in organic electronics

The present invention provides an electroluminescent device comprising a substrate () and stacked thereon in the order of mention a first transparent electrode (), an electroluminescent stack (), and a second electrode (). Furthermore, the electroluminescent device comprises at least one additional hard layer () that is located underneath the second electrode and/or on top of the second electrode and that has a hardness larger than the hardness of the second electrode. Methods for the production of such electroluminescent devices are likewise provided.

Strengthened counter electrode of electroluminescent devices

An organic electroluminescence device (OLED) has a substrate, a first electrode layer, a layer of organic electroluminescence material, a second electrode layer, a cover layer, a moisture-absorber and a separating foil of resilient material. The separating foil is positioned between the second electrode layer and the moisture-absorber. Spacer structures such as dots are applied on the separating foil between the foil and the cover.

The invention describes a multi-device OLED () comprising a device layer stack () comprising a bottom electrode (), a top electrode (), at least one inter electrode () and plurality of active layers (), wherein the bottom electrode () is applied to a substrate (), and each active layer () is enclosed between two electrodes (); a current distribution means () comprising a current distribution layer () for each electrode () of the device layer stack (); a plurality of openings () extending from the top electrode () into the device layer stack (), wherein each opening () exposes a contact region () of an electrode (); and a plurality of electrical connectors (), wherein an electrical connector () extends into an opening () to electrically connect the electrode () exposed by that opening () to the current distribution layer () for that electrode (). The invention also describes a method of manufacturing such a multi-device OLED. The invention further describes a method of driving such a multi-device OLED, which method comprises applying a voltage across at least one pair () of current distribution layers () of the current distribution means () to stimulate the corresponding active layer () of a device of the multi-device OLED ().

Multi-device OLED

The invention relates to an organic electronic device, particularly an OLED device (), and to a method for its manufacturing. The device () comprises at least one functional unit (LU, LU, LU) with an organic layer (). On top of this functional unit (LU, LU, LU), at least one inorganic encapsulation layer () and at least one organic encapsulation layer () are disposed in which at least one conductive line () is embedded. In this way an OLED with a thin film encapsulation can be provided that can electrically be contacted at contact points (CL) on its back side.

Organic electronic device with encapsulation

The invention relates to a method for manufacturing structured organic electroluminescent light-emitting devices (OLEDs) comprising light-emitting and non-emitting areas and to OLEDs manufactured according to this method comprising the steps of: Providing (P) a substrate () covered at least locally with at least one conductive layer as the first electrode (); Depositing (D-SML) a stack modification layer () locally on top of the first electrode () to establish first areas () covered with the stack modification layer () and non-covered second areas () adjacent to the first areas () forming the desired structured pattern; &#x2014;Depositing (D-OLS) the organic layer stack () comprising at least one organic light-emitting layer () on top of the first electrode () locally coated with the stack modification layer () providing an organic layer stack () being separated from the first electrode () by the stack modification layer () in between the organic layer stack () and the first electrode () in the first areas () and being in direct electrical contract to the first electrode () in the second areas (); and Depositing (D-SE) a conductive metal layer as the second electrode () on top of the organic layer stack () to finish a functional layer stack (), wherein the first areas () above the stack modification layer () remain free of the conductive metal without masking these first areas (); &#x2014;Providing an easy, variable and reliable method of a maskless structuring of the functional layer stack of OLED enabling to maintain the same the same deposition processes for the functional layer stack as applied during mask processing.

Structuring of OLEDs using stack modification layer comprising perfluorinated vacuum grease and/or perfluorinated vacuum pump oil

The invention relates to a light-emitting device comprising at least a substrate, an anode, a light-emitting layer and a cathode whereby the light-emitting layer contains an iridium complex IrLand whereby at least two ligands L are a dibenzoquinoline. The invention relates in particular to the complexes Ir(dibenzo[f,h]quinoline)(pentane-2,4-dionate) and Ir(dibenzo[f,h]quinoline)which emit light with a wavelength of &#x3bb;=545 nm and &#x3bb;=595 nm respectively.

Light-emitting device with an iridium complex

Growing community of inventors

Aachen, Germany

Herbert Friedrich Boerner