Udc Ireland Limited patents

Organic electroluminescent element, compound and material for organic electroluminescent element, used in the same, and light emitting device, display device and illumination device, using the element

An organic electroluminescent element comprising a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer which is arranged between the electrodes and which includes a light emitting layer, wherein the organic layer contains a compound represented by general... Udc Ireland Limited

Transition metal complexes with carbene ligands and the use thereof in oleds

to OLEDs (Organic Light-Emitting Diodes) which comprise such complexes, 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 metal-carbene complex in OLEDs, for example as emitter, matrix material, charge... Udc Ireland Limited

Organic electroluminescent devices and metal complex compounds

An organic electroluminescent device, which has a pair of electrodes and at least one organic layer including a luminescent layer between the pair of electrodes, wherein at least one layer between the pair of electrodes comprises at least one metal complex having a tridentate- or higher polydentate-chain structure ligand.... Udc Ireland Limited

Organic electroluminescent element, compound for use in the element, and light emitting device, display device, and illumination device using the element

where R1 to R3 and R6 to R8 each independently represents a hydrogen atom, which may be a deuterium atom, or a substituent with a Hammett substituent constant σp value of −0.15 or more, R5, R9 and R10 each independently represents a hydrogen atom or a substituent, L1 represents a... Udc Ireland Limited

Transition metal complexes comprising carbene ligands serving as emitters for organic light-emitting diodes (oled's)

an OLED comprising these transition metal complexes, a light-emitting layer comprising these transition metal complexes, OLEDs comprising this light-emitting layer, devices comprising an OLED according to the present invention, and specific transition metal complexes comprising at least two carbene ligands.... Udc Ireland Limited

Organic electronic devices comprising a layer of a pyridine compound and a 8-hydroxypquinolinolato earth alkaline metal, or alkali metal complex

Organic light emitting devices (OLEDs) having superior life time, power efficiency, quantum efficiency and/or a low operating voltage are obtained, when the organic layer comprising the compounds of formula I and II constitutes the electron transport layer of an OLED.... Udc Ireland Limited

Luminescent diazabenzimidazole carbene metal complexes

to organic electronic devices, especially OLEDs (Organic Light-Emitting Diodes) which comprise such complexes, to an apparatus 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 metal-carbene complex in OLEDs, for example as... Udc Ireland Limited

Fluorescent organic light emitting elements having high efficiency

The present invention relates to organic light emitting elements, comprising thermally activated delayed fluorescence (TADF) emitters and/or hosts on basis of phthalimide and naphthalimide materials, which have a sufficiently small energy gap between S1 and T1 (ΔEST) to enable up-conversion of the triplet exciton from T1 to S1. The organic... Udc Ireland Limited

Benzimidazo[1,2-a]benzimidazole derivatives for electronic applications

A compound of the general formula (I), a process for the production of the compound and its use in electronic devices, especially electroluminescent devices. Improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices are provided when the compound of formula I is used as host material for phosphorescent emitters... Udc Ireland Limited

Electroluminescent imidazo-quinoxaline carbene metal complexes

Metal carbene complexes comprising at least one imidazo-quinoxaline ligand, organic electronic devices, especially OLEDs (Organic Light-Emitting Diodes) which comprise such complexes, a light-emitting layer comprising at least one inventive metal carbene complex, an apparatus selected from the group consisting of illuminating elements, stationary visual display units and mobile visual display... Udc Ireland Limited

Electroluminescent device

... Udc Ireland Limited

Transition metal complexes with tripodal ligands and the use thereof in oleds

to OLEDs (Organic Light-Emitting Diodes) which comprise such complexes, 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 metal complex in OLEDs, for example as emitter, matrix material, charge... Udc Ireland Limited

Metal complexes, comprising carbene ligands having an o-substituted non-cyclometalated aryl group and their use in organic light emitting diodes

Cyclometallated Ir complex comprising three N,N diaryl substituted carbene ligands, bearing substituents in the 2 position of the non-cyclometallated aryl ring; an organic electronic device, preferably an organic light-emitting diode (OLED), comprising at least one cyclometallated Ir complex as described above, a light-emitting layer comprising said cyclometallated Ir complex preferably... Udc Ireland Limited

Fluorescent organic light emitting elements having high efficiency

The present invention relates to organic light emitting elements, comprising thermally activated delayed fluorescence (TADF) emitters and/or hosts on basis of benzotriazoles, which have a sufficiently small energy gap between S1 and T1 (ΔEST) to enable up-conversion of the triplet exciton from T1 to S1. The organic light emitting elements... Udc Ireland Limited

Organic electroluminescence device and producing the same

An organic electroluminescence device including an anode, a cathode, an organic layer disposed between the anode and the cathode, the organic layer containing a hole injection layer, a hole transport layer and an emission layer containing a host material, wherein the hole injection layer, the hole transport layer and the... Udc Ireland Limited

Organic electroluminescent element, compound and material for organic electroluminescent element capable of being used therefor, light emitting device, display device, and illumination device, each using the element

(R1 to R18 each independently represent a hydrogen atom or a substituent, and at least one of R1 to R8 and R10 to R17 represents -L-NR19R20 (R19 and R20 each independently represent any of an alkyl group, an aryl group, a heteroaryl group. R19 and R20 may be combined to... Udc Ireland Limited

Fluorescent organic light emitting elements having high efficiency

which have a sufficiently small energy gap between S1 and T1 (ΔEST) to enable up-conversion of the triplet exciton from T1 to S1. The organic light emitting elements show high electroluminescent efficiency.... Udc Ireland Limited

Metal complexes with dibenzo[f,h]quinoxalines

This invention relates to electroluminescent metal complexes of the formula electronic devices comprising the metal complexes and their use in electronic devices, especially organic light emitting diodes (OLEDs). The metal complexes of formula (I) show high emission efficiency, excellent vaporizability, thermal stability, processing stability, high charge carrier mobilities, low turn-on... Udc Ireland Limited

Metal complexes comprising diazabenzmidazolocarbene ligands and the use thereof in oleds

The present invention relates to metal-carbene complexes comprising a central atom selected from iridium and platinum, and diazabenzimidazolocarbene ligands, to organic light diodes which comprise such complexes, to light-emitting layers comprising at least one such metal-carbene complex, to a device selected from the group comprising illuminating elements, stationary visual display... Udc Ireland Limited