Abstract: 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.

Abstract: The present invention relates to a light emitting device (30) having at least a first (10) and a second light emitting element (20), with the first light emitting element (10) emitting a first light (1) and the second light emitting element (20) emitting a second light (2), each light emitting element (10,20) being an OLED (10,20), the OLED (10,20) comprising a sandwich structure with a substrate (14,24), a first (11,21) and a second electrode (12,22) and an organic layer (13,23) being provided between the first (11,21) and the second electrode (12,22), a light (3) leaving the light emitting device (30), wherein at least a part of said light (3) is provided by a superposition of the first (1) and the second light (2).

Abstract: The invention relates to an electroluminescent device (10) comprising a layer system with a substrate (40) and on top of the substrate (40) a substrate electrode (20), a counter electrode (30) and an electroluminescent layer stack with at least one organic electroluminescent layer (50) arranged between the substrate electrode (20) and the counter electrode (30), characterized in that at least one optical transparent outcoupling body (71) is provided on top of the substrate electrode (20) to increase the outcoupling of light generated by the at least one organic electroluminescent layer (50) at least partly covering the optical transparent outcoupling body (71). The invention further relates to a method to manufacture such a device.

Abstract: The invention relates to an electroluminescent device (10) comprising a substrate (40) and on top of the substrate (40) a substrate electrode (20), a counter electrode (30) and an electroluminescent layer stack with at least one organic electroluminescent layer (50) arranged between the substrate electrode (20) and the counter electrode (30), and at least one electrical shunt means (122) applied on top of the substrate electrode (20) to improve the current distribution over the substrate electrode (20), wherein the at least one electrical shunt means (122) is at least one element of the group of a wire, a metallic stripe or foil, said electrical shunt means (122) fixed to the substrate electrode (20) by a protective means (70) fully covering the electrical shunt means (122) with a shape suitable to prevent the emergence of a shadowing edge on the substrate electrode (20). The invention further relates to a method to manufacture such a device.

Abstract: 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.

Abstract: OLED device (1) comprising a substrate (4) with multiple light emitting OLED segments (5, 6, 7) on top of the substrate (4) each comprising an electroluminescent layer stack (6) of at least an organic light-emitting layer sandwiched between a substrate electrode (5) facing towards the substrate (4) and a counter electrode (7), which are connected in series and are separated from the adjacent OLED segment (5, 6, 7) by an interconnect region (3) located between the adjacent OLED segments comprising a first isolating layer (10) of an electrically non-conducting material between the substrate electrodes (5) of adjacent OLED segments to electrically isolate the adjacent substrate electrodes (5) from each other and a conductive layer (9) of an electrically conducting material to connect the counter electrode (7) of the OLED segment to the substrate electrode (5) of the adjacent OLED segment, wherein the electrically non-conducting material and/or the conducting material is suitable to redirect the light emitted by

Abstract: This invention relates to an electroluminescent device (10) comprising an organic light emitting layer (50) and an encapsulation means (70) with a closed contour encapsulating the side of the electroluminescent layer stack (59) and for electrically contacting the counter electrode (40) to an electrical source. Furthermore, the invention relates to a method for providing such a device, the use of the contiguous contour as an encapsulation means and a covered substrate to be used in such a device.

Abstract: The present invention relates to an organic electroluminescent device comprising a substrate (40) and on top of the substrate (40) a substrate electrode (20), a counter electrode (30) and an electroluminescent layer stack (50) with at least one organic electroluminescent layer arranged between the substrate electrode (20) and the counter electrode (30), an encapsulation means (90) encapsulating at least the electroluminescent layer stack (50) and at least one non-conductive spacer means (70) arranged on the substrate electrode (20) to mechanically support the encapsulation means (90) and to prevent an electrical short between the substrate electrode (20) and the counter electrode (30) during the mechanical support, wherein the spacer means (70) comprise at least one light scattering means (80) for redirecting at least a part of light (65) trapped in the substrate (40), to a method of manufacturing such an encapsulated electroluminescent device and to the use of an array, preferably a hexagonal array, of non-c

Abstract: An organic light-emitting diode, organic solar cell or switching element comprising at least one substituted carbazole derivative of the general formula (I), (II) or (III) in which X is NR4, O, S or PR4; Y is NR5, O, S or PR5; where at least one of the symbols X and Y is NR4 or NR5; substituted carbazole derivatives of the formula (I), (II) or (III); a light-emitting layer comprising at least one substituted carbazole derivative of the general formula (I), (II) or (III) and at least one emitter material; the use of substituted carbazole derivatives of the general formula (I), (II) or (Ill) as matrix material, hole/exciton blocker material and/or electron/exciton blocker material and/or hole injection material and/or electron injection material and/or hole conductor material and/or electron conductor material in an organic light-emitting diode, an organic solar cell or in a switching element, and a device selected from the group consisting of stationary visual display units, mobile visual display units,

Abstract: An organic electroluminescent light source has at least one substrate and layers that are arranged on the substrate. The layers include electrodes of which at least one electrode is transparent and one acts as an anode and one as a cathode, and at least one organic electroluminescent layer that is arranged between the electrodes. The organic electroluminescent layer has regions that emit blue light and/or green light, and at least one phosphor layer that is arranged in the beam path of the light leaving the organic electroluminescent light source and that partly covers the electroluminescent layer.

Abstract: An electroluminescent light source includes a substrate and a layer structure applied to the substrate for emitting light at least on the side facing away from the substrate. The layer structure includes an electroluminescent layer between two electrodes. A partially transparent encapsulation device forms a closed volume around the layer structure, and is filled with a dielectric fluid which is substantially chemically inert with respect to the layer structure. The fluid contains particles for absorbing parts of the light emitted by the layer structure and for re-emitting light of a different wavelength. The density of the particles is selected such that the particles in the dielectric fluid are in the suspended state in the operational state of the light source.

Abstract: The present invention relates to the use of siloles substituted by fused ring systems in organic electronics applications, and to specific siloles substituted by fused ring systems and to the use thereof in organic electronics applications.

Abstract: Organic electroluminescent device with a layer stack for emitting light through a top electrode includes a conductive foil having a carrier material with an upper and a lower side as a substrate and a first metal layer with a thickness resulting in a sheet resistance of less than 0.05 ?/square on the upper side of the carrier material. The first metal layer act as a bottom electrode, and an organic layer stack is formed on top of the bottom-electrode for emitting light through the top electrode, which is formed on top of the organic layer stack. A partly transparent protection element covers at least the top electrode and the organic layer stack.

Abstract: An electroluminescent arrangement comprising a substrate (1), at least one layered structure applied to the substrate that comprises at least one organic electroluminescent layer (2) for emitting light (10) that is arranged between a first electrode (3) arranged on the side on which the substrate is situated and a second electrode (4) arranged on the side of the electroluminescent layer (2) remote from the substrate, and an electrically insulating layer (5) of a material that is chemically reactive with the organic electroluminescent layer (2), suitable for detaching the second electrode (4) from the organic electroluminescent layer (2) in a confined region around a hole defect.

Abstract: A voltage-operated layered arrangement comprising a substrate (1), a layered structure (2, 3, 4, 5) that is applied to the substrate and that comprises at least one electrically conductive functional layer (3) arranged between a first electrode (2) and a second electrode (4), and a field-degrading layer (5) that is less electrically conductive than the functional layer (3) and that is applied to the second electrode (4) arranged on the side of the layered structure remote from the substrate in such a way that it covers the second electrode (4) at least in the region of an edge (4a) and connects the second electrode (4) to the first electrode (2) electrically.

Abstract: An organic light-emitting diode comprising at least one cyclic phosphazene compound, a light-emitting layer formed from at least one matrix material and at least one emitter material, wherein the at least one matrix material comprises at least one cyclic phosphazene compound, the use of cyclic phosphazene compounds in organic light-emitting diodes and a device selected from the group consisting of stationary visual display units, mobile visual display units and illumination units comprising at least one inventive organic light-emitting diode, and selected cyclic phosphazene compounds and processes for preparing them.

Abstract: The invention relates to an OLED device with a stack comprising: a light emitting organic layer (2), a cathode layer (1), and a transparent anode layer (3), the organic layer (2) being arranged between the cathode layer (1) and the anode layer (3), wherein a macro extractor layer (5) is arranged on top of a transparent substrate (4), wherein the macro extractor in optical contact with the transparent substrate (4), and wherein the macro extractor (5) layer comprises a plurality of mirror surfaces which extend from the bottom to the top of the macro extractor layer (5), preferably embedded in a matrix which has a refractive index matching the one of the transparent substrate. Preferably, the macro extractor layer comprises a crash glass device with a pre-stressed crash glass pane (6) having air-filled cracks (9). Since these cracks (9) act as mirrors for the light emitted by the organic layer (2), trapping of light is avoided and, thus, light extraction from the device is enhanced.

Abstract: A voltage-operated layered arrangement comprising a substrate (1), a layered structure (2, 3, 4, 5) that is applied to the substrate and that comprises at least one electrically conductive functional layer (3) arranged between a first electrode (2) and a second electrode (4), and a field-degrading layer (5) that is less electrically conductive than the functional layer (3) and that is applied to the second electrode (4) arranged on the side of the layered structure remote from the substrate in such a way that it covers the second electrode (4) at least in the region of an edge (4a) and connects the second electrode (4) to the first electrode (2) electrically.

Abstract: A light emitting layer for an organic LED, comprising at least one electron transporting compound, at least one hole transporting compound and a rare earth metal ion compound, whereby the light emitting layer furthermore comprises at least one exciton conducting compound.

Abstract: An electroluminescent light source having a substrate (1), a layer structure applied on the substrate (1) for emitting light (10) at least on the other side from the substrate, having at least one electrode as an anode (3), at least one electrode as a cathode (4) and at least one organic electroluminescent layer (2) lying between them, the electrode (4) on the other side from the substrate being at least partially transparent, and an at least partially transparent encapsulation device (5) for forming a closed volume (6) around the layer structure, which is filled with a dielectric liquid (11) that is substantially chemically inert with respect to the layer structure and which contains particles (12), in particular of a non-absorbent material, for scattering light, the density of which is selected so that the particles (12) are in the suspended state in the dielectric liquid (11).