Abstract: A production method for a polymer laminate with at least one diffraction element is simplified. The method includes the following method steps: providing a diffraction element material with a carrier film and a light-sensitive layer located thereon, and also at least one polymer layer; producing the at least one diffraction element by creating a light-diffracting layer from the light-sensitive layer, in that a light-diffracting pattern is created in the light-sensitive layer of the at least one diffraction element material; bringing together the at least one diffraction element and at least one polymer layer to form a stack of layers; and surface bonding the at least one diffraction element and the at least one polymer layer 170 by way of a lamination process, thereby forming the polymer laminate.

Abstract: To simplify the production of a security element 300 with a first security feature 310 and a second security feature 320, the following method is proposed: (a) Provision of a light-sensitive film 200, which comprises at least one carrier layer 210 and in surface-to-surface contact with this a light-sensitive function layer 220; (b) Exposure of the light-sensitive film 200 at least area by area, with the formation of a pattern in the light-sensitive function layer 220, wherein the security element (300) is formed with a first security feature (310); (b?) Optional fixing of the exposed light-sensitive film; and (c) Printing of the carrier layer 210 and, as appropriate, of the protective layer 230, wherein a second security feature 320 is produced.

Abstract: The invention relates to a process for producing an optical casting comprising at least one volume-holographic optical element by means of at least one casting operation, the process comprising the following steps: providing a casting mould comprising a first mould section having a flat, spherical, aspherical or free-form first surface and a second mould section having a flat, spherical, aspherical or free-form second surface, the first mould section being connectable to the second mould section to form the casting mould, providing at least one holographic optical element, positioning and aligning the at least one holographic optical element with respect to the first mould section or/and with respect to the second mould section, combining the first and second mould sections to form the casting mould, introducing casting material in one or more casting steps, the casting material having a maximum viscosity at 25° C.

Abstract: A method for integrating a hologram into the body of a security document that has a laminated body. The method includes: providing a holographic film having a backing substrate layer and a photo layer; providing additional substrate layers; carrying out a laminating process in order to form the laminated body, the holographic film together with the additional substrate layers being collated to form a substrate layer stack and being combined, together with the additional substrate layers, in a high-pressure, high-temperature laminating method to form the laminated body. There is also described a corresponding security document body.

Abstract: The invention relates to a process for producing a layer construction with adhesive-free bonding, to a layer structure comprising an exposed photopolymer layer B and a substrate layer C of (co)polycarbonate, to a sealed optical medium comprising the layer structure, and to an optical display and a security document comprising the sealed optical medium.

Abstract: Novel spirobifluorene compounds for light emitting devices where the spirobifluorene ring system comprises at least one acridine-type substituent.

Abstract: The invention relates to a sealed holographic medium comprising a layer construction containing a photopolymer layer and a sealing layer, to a process for producing the sealed holographic medium, to a kit of parts, to a layer construction for sealing and to the use thereof.

Abstract: The present invention relates to a novel triscarbazole compound having substituent on N-phenyl, which can be represented by Formula (I). wherein R1 is selected from the group consisting of hydrogen, halogen or alkyl or alkoxy group having 1 to 20 carbon atoms wherein at least one hydrogen atom is optionally replaced by halogen; RA, RB, RC, RD and RE are any of substituents other than hydrogen wherein at least two of R1 and RA may further form a fused ring; and i, j, k, l and m are same or different at each occurrence and represent an integer from 0 to 4, with the proviso that when R1 is hydrogen, i is not 0. By introduction of the substituent on N-phenyl, the device efficiency, stability and lifetime can be increased while maintaining the solubility. These compounds can be used in various organic devices such as organic light emitting diodes, photovoltaic cells or organic semiconductor devices.

Abstract: The present invention concerns a method for the production of a moulded body containing at least one volume hologram by means of injection moulding, comprising the following method steps: provision of a hologram film composite having two sides comprising at least one photopolymer layer with at least one volume hologram, a shear protective layer and a substrate layer, and optionally, further composite film layers, insertion of the hologram film composite into a metallic injection mould, such that one side of the hologram film composite is at least partially in contact with the injection mould wall, introduction of a molten thermoplastic polymer for the production of the moulded body, wherein at least the outermost layer of the hologram film composite on the side of the hologram film composite coming into contact with the molten polymer contains essentially the same polymer raw materials as the molten thermoplastic polymer, and extrusion coating of the hologram film composite with the molten thermoplastic po

Abstract: A method for integrating a hologram into the body of a security document that has a laminated body. The method includes: providing a holographic film having a backing substrate layer and a photo layer; providing additional substrate layers; carrying out a laminating process in order to form the laminated body, the holographic film together with the additional substrate layers being collated to form a substrate layer stack and being combined, together with the additional substrate layers, in a high-pressure, high-temperature laminating method to form the laminated body. There is also described a corresponding security document body.

Abstract: The invention relates to a kit-of-parts comprising at least one sealing layer C and a photopolymer B, a process for producing an at least partly interconnected layered setup formed of at least 2 layers, the use of the at least one sealing film C to protect the photopolymer B, the use of the kit-of-parts for the process referred to, a sealed holographic medium comprising the photopolymer and optical displays and security document comprising the sealed holographic medium.

Abstract: The invention relates to thin, flexible and expandable electrically conductive electrode layers based on conductive carbon, said layers having a sufficiently high adhesion to dielectric layers in stacking actuators without delamination. The invention also relates to a method for producing said electrode layers, to the use thereof for producing electromechanical converters based on dielectric elastomers as well as components comprising the electromechanical converter, to a use of the electromechanical converter, and to a device for producing the electroactive polymer film system and the electromechanical converter from multilayer actuators.

Abstract: A compound represented by Formula (I) or (II). wherein A is a single bond or a divalent residue of biphenyl, triphenyl, ?in each of which one or more hydrogen atoms attached in the carbon atoms may be replaced by a substituent other than hydrogen, wherein Z is any one selected from N, O, S, and SiR, Y is N—R, O, S, Si(R)2 where R is C1-20 alkyl or aryl, R1 and R2 are independently selected from hydrogen or C1-20 alkyl; X1 to X4 are independently selected from substituents other than spirobifluorenyl, A, B1 or B2 l, p and q are integers of from 0 to 4; m is an integer of from 0 to 3, wherein B1 and B2 are independently selected from hydrogen and a heterocyclic group; r is an integer of from 0 to 3; and X1 to X4, m, p, and q are as defined in Formula (I), with the proviso that B1 and B2 are not hydrogen simultaneously. The use of such compounds in OLEDs is also claimed.

Abstract: The invention relates to a process for producing an optical casting comprising at least one volume-holographic optical element by means of at least one casting operation, the process comprising the following steps: providing a casting mould comprising a first mould section having a flat, spherical, aspherical or free-form first surface and a second mould section having a flat, spherical, aspherical or free-form second surface, the first mould section being connectable to the second mould section to form the casting mould, providing at least one holographic optical element, positioning and aligning the at least one holographic optical element with respect to the first mould section or/and with respect to the second mould section, combining the first and second mould sections to form the casting mould, introducing casting material in one or more casting steps, the casting material having a maximum viscosity at 25° C.

Abstract: Multilayer structure suitable for forming part of an organic electronic device, said structure comprising at least two adjacent layers L1 and L2 wherein both layers L and L2 comprise at least 50 wt % of a spirobifluorene derivative or an open spirobifluorene derivative.

Abstract: Novel spirobifluorene compounds for light emitting devices where an SBF or Open SBF unit is substituted by a nitrogen atom, which is part of a ring system comprising two aromatic or heteroaromatic rings.

Abstract: Novel spirobifluorene compounds for light emitting devices where the spirobifluorene ring system comprises at least one acridine-type substituent.

Abstract: Novel spirobifluorene compounds for light emitting devices where the spirobifluorene ring system comprises at least one ligand in meta-position which is bound to the spirobifluorene through a heteroatom not being part of a ring system.

Abstract: The present invention relates to a novel triscarbazole compound having substituent on N-phenyl, which can be represented by Formula (I). wherein R1 is selected from the group consisting of hydrogen, halogen or alkyl or alkoxy group having 1 to 20 carbon atoms wherein at least one hydrogen atom is optionally replaced by halogen; RA, RB, RC, RD and RE are any of substituents other than hydrogen wherein at least two of R1 and RA may further form a fused ring; and i, j, k, l and m are same or different at each occurrence and represent an integer from 0 to 4, with the proviso that when R1 is hydrogen, i is not 0. By introduction of the substituent on N-phenyl, the device efficiency, stability and lifetime can be increased while maintaining the solubility. These compounds can be used in various organic devices such as organic light emitting diodes, photovoltaic cells or organic semiconductor devices.

Abstract: A compound represented by Formula (I) or (II). wherein A is a single bond or a divalent residue of biphenyl, triphenyl, in each of which one or more hydrogen atoms attached in the carbon atoms may be replaced by a substituent other than hydrogen, wherein Z is any one selected from N, O, S, and SiR, Y is N—R, O, S, Si(R)2 where R is C1-20 alkyl or aryl, R1 and R2 are independently selected from hydrogen or C1-20 alkyl; X1 to X4 are independently selected from substituents other than spirobifluorenyl, A, B1 or B2 l, p and q are integers of from 0 to 4; m is an integer of from 0 to 3, wherein B1 and B2 are independently selected from hydrogen and a heterocyclic group; r is an integer of from 0 to 3; and X1 to X4, m, p, and q are as defined in Formula (I), with the proviso that B1 and B2 are not hydrogen simultaneously. The use of such compounds in OLEDs is also claimed.