Abstract: A method and an apparatus for maintaining information security in a video multicasting service are provided. The method includes: generating a network abstraction layer unit using received video information; encrypting the network abstraction layer unit of the video information; realtime transport protocol (RTP) packetizing the encrypted network abstraction layer unit of the video information; recording unit format information and field information, included in the network abstraction layer of the video information being stored in a memory, in a header extension field of the RTP header; and transmitting the RTP packet including the encrypted video information to a routing device.

Abstract: The present invention relates to the use of mixtures which comprise, as components K1), one or more merocyanines selected from the group of the compounds of the general formulae Ia, Ib, Ic, Id, Ie, IIa and IIb, as defined in more detail in the description, as an electron donor or electron acceptor, and, as component K2), one or more compounds which, with respect to component K1), act correspondingly as an electron acceptor or electron donor, for producing photoactive layers for organic solar cells and organic photodetectors, to a process for producing photoactive layers, corresponding solar cells and organic photodetectors, and to mixtures which comprise, as components, one or more compounds of the general formulae Ia, Ib, Ic, Id, Ie, IIa and/or IIb of component K1, as defined in more detail in the description, and one or more compounds of component K2.

Abstract: A terrylene compound of formula I: wherein R1 to R4 are each independently an unsubstituted or substituted alkyl, aryl, thiophenyl or oligothiophenyl group, or a hydrogen atom. Two adjacent radicals selected from R1 to R4, together with the carbon atoms of the benzene ring to which they are bonded, may also form a fused ring system having 1 to 8 additional rings. With the carbon atoms to which it is bonded, A forms a fused monocyclic, dicyclic, tricyclic, tetracyclic, pentacyclic or hexacyclic ring system which optionally contains one or more independently selected substituents. A process for preparing the terrylene compound. An organic solar cell with a photoactive region including at least one organic donor material in contact with at least one organic acceptor material, the donor material and the acceptor material forming a donor-acceptor heterojunction, and the photoactive region including at least one such terrylene compound.

Abstract: The present invention relates to organic solar cell comprising at least one photoactive region comprising an organic donor material in contact with an organic acceptor material and forming a donor-acceptor heterojunction, wherein the photoactive region comprises at least one compound of the formulae Ia and/or Ib where M, (Ra)m and (Rb)n as described in the claims and description. Furthermore, the present invention relates to compounds of formulae Ia and Ib, wherein M, (Ra)m and n are as described in the claims and description and Rb is fluorine and to a process for preparing them.

Abstract: The present invention relates to an organic solar cell with a photoactive region which comprises at least one organic donor material in contact with at least one organic acceptor material, wherein the donor material and the acceptor material form a donor-acceptor heterojunction and wherein the photoactive region comprises at least one substituted perylene.

Abstract: The present invention relates to the use of mixtures which comprise, as components K1), one or more merocyanines selected from the group of the compounds of the general formulae I, IIa, IIb, IIIa, IIIb, IIIc, IIId and IIIe, as defined in more detail in the description, as an electron donor or electron acceptor, and, as component K2), one or more compounds which, with respect to component K1), act correspondingly as an electron acceptor or electron donor, for producing photoactive layers for organic solar cells and organic photodetectors, to a process for producing photoactive layers, corresponding solar cells and organic photodetectors, and to mixtures which comprise, as components, one or more compounds of the general formulae I, IIa, IIb, IIIa, IIIb, IIIc, IIId and/or IIIe of component K1, as defined in more detail in the description, and one or more compounds of component K2.

Abstract: A sensor plaster (116) for the transcutaneous measurement of an organ function, more particularly of a kidney function, is proposed. The sensor plaster (116) comprises at least one flexible carrier element (134) having at least one adhesive surface (138) which can be stuck onto a body surface. Furthermore, the sensor plaster (116) comprises at least one radiation source, more particularly a light source (142), wherein the radiation source is designed to irradiate the body surface with at least one interrogation light (162). Furthermore, the sensor plaster (116) comprises at least one detector (146) designed to detect at least one response light (176) incident from the direction of the body surface.

Abstract: The present invention relates to an organic solar cell which comprises at least one photoactive region which comprises at least one indanthrene compound which is in contact with at least one fullerene compound, and to the use of indanthrene compounds in organic photovoltaics, especially in the form of a component cell of a tandem cell.

Abstract: The present invention relates to the use of dibenzotetraphenylperiflanthene as an electron donor material in an organic solar cell.

Abstract: A method and an apparatus for maintaining information security in a video multicasting service are provided. The method includes: generating a network abstraction layer unit using received video information; encrypting the network abstraction layer unit of the video information; realtime transport protocol (RTP) packetizing the encrypted network abstraction layer unit of the video information; recording unit format information and field information, included in the network abstraction layer of the video information being stored in a memory, in a header extension field of the RTP header; and transmitting the RTP packet including the encrypted video information to a routing device.

Abstract: A photovoltaic element (110) for converting electromagnetic radiation into electrical energy is provided, which has a tandem cell structure.

Abstract: The present invention relates to the use of halogenated phthalocyanines as charge transport materials and/or as absorber materials.

Abstract: Provided is a streaming service system and method for a universal video access based on scalable video coding (SVC). A gateway to provide a streaming service may include: an SVC content file parser to receive an SVC content file from a streaming server, and to separately extract an SVC network abstraction layer (NAL unit) of a base layer and an SVC NAL unit of a scalable enhancement layer from SVC NAL units that are included in the SVC content file; an SVC NAL selection unit to select an SVC NAL unit corresponding to a client type of each of terminals; and a packet generation unit to transmit the selected SVC NAL unit to a corresponding terminal.