Novaled Ag

Global Oled Technology LLC

Novaled Gmbh

Gufeng He

Tukaram K Hatwar

Jeffrey P Spindler

Steven A Van Slyke

Denis Y Kondakov

Martin Pfeiffer

Jan Blochwitz-Nimoth

Ulrich Denker

Sven Murano

Qiang Huang

Sven Z Murano

The invention relates to a layer assembly for a light-emitting component, in particular a phosphorescent organic light-emitting diode, having a hole-injecting contact and an electron-injecting contact which are each connected to a light-emitting region, wherein, in the light-emitting region, one light-emitting layer is made up of a material (M) and another light-emitting layer is made up of another material (M), where the material (M) is ambipolar and preferentially transports holes and the other material (M) is ambipolar and preferentially transports electrons; a heterotransition is formed by the material (M) and the other material (M) in the light-emitting region; an interface between the material (M) and the other material (M) is of the staggered type II; the material (M) and the other material (M) each contain an appropriate addition of one or more triplet emitter dopants; and an energy barrier for transfer of holes from the material (M) into the other material (M) and an energy barrier for transfer of electrons from the other material (M) into the material (M) are each less than about 0.4 eV.

Layer assembly for a light-emitting component

Organic electroluminescent devices and components containing the organic electroluminescent devices are provided herein. The organic electroluminescent devices include a substrate, a first light emitting unit, a second light emitting unit, a first electrode, and a second electrode. The light emitting units are positioned between the first and second electrode. The light emitting units have light emitting regions containing various emitter materials.

Tandem white OLED

The invention provides an electronic device including an anode and a cathode, between which there are at least two organic phototransducing units where the units are separated by an intermediate connecting region which comprises in sequence: an organic p-type layer, an intermediate layer in direct contact with the organic p-type layer and including a compound that has a LUMO more negative than &#x2212;3.0 eV and is different from the organic compound in the organic p-type layer, and an n-type doped organic layer in direct contact with the intermediate layer and including an electron transport material as a host and an organic n-dopant with a HOMO less negative than &#x2212;4.5 eV. In one embodiment, the electronic device is a tandem OLED.

Internal connector for organic electronic devices

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Dresden, Germany

Gufeng He