Patent application number | Description | Published |
20080281098 | Organometallic compounds and emission-shifting organic electrophosphorescence - Emissive phosphorescent organometallic compounds are described that produce improved electroluminescence, particularly in the blue region of the visible spectrum. Organic light emitting devices employing such emissive phosphorescent organometallic compounds are also described. Also described is an organic light emitting layer including a host material having a lowest triplet excited state having a decay rate of less than about 1 per second; a guest material dispersed in the host material, the guest material having a lowest triplet excited state having a radiative decay rate of greater than about 1×10 | 11-13-2008 |
20080311304 | ORGANIC PHOTOSENSITIVE OPTOELECTRONIC DEVICES WITH NONPLANAR PORPHYRINS - Embodiments of the present invention provide an organic photosensitive optoelectronic device comprising at least one nonplanar porphyrin of formula (I), | 12-18-2008 |
20090044864 | ORGANIC PHOTOSENSITIVE OPTOELECTRONIC DEVICES WITH TRIPLET HARVESTING - There is disclosed an organic photosensitive optoelectronic devices comprising organic photoconductive materials, which comprise singlet fission host materials doped with triplet forming materials. There is also disclosed devices made from such materials, such as an organic photovoltaic cell, a photoconductor cell, a photodetector, organic photosensors, chemical sensors, and biological sensors. Methods of fabricating such devices are also disclosed. | 02-19-2009 |
20090107551 | Organic electronic devices using phthalimide compounds - Organic electronic devices comprising a phthalimide compound. The phthalimide compounds disclosed herein are electron transporters with large HOMO-LUMO gaps, high triplet energies, large reduction potentials, and/or thermal and chemical stability. As such, these phthalimide compounds are suitable for use in any of various organic electronic devices, such as OLEDs and solar cells. In an OLED, the phthalimide compounds may serve various functions, such as a host in the emissive layer, as a hole blocking material, or as an electron transport material. In a solar cell, the phthalimide compounds may serve various functions, such as an exciton blocking material. Various examples of phthalimide compounds which may be suitable for use in the present invention are disclosed. | 04-30-2009 |
20090140640 | LUMINESCENT COMPOUNDS WITH CARBENE LIGANDS - An organic light emitting device is provided. The device has an anode, a cathode and an organic layer disposed between the anode and the cathode. The organic layer comprises a compound further comprising one or more carbene ligands coordinated to a metal center. | 06-04-2009 |
20090209760 | ORGANOMETALLIC COMPLEXES AS PHOSPHORESCENT EMITTERS IN ORGANIC LEDS - Organic light emitting devices are described wherein the emissive layer comprises a host material containing an emissive molecule, which molecule is adapted to luminesce when a voltage is applied across the heterostructure, and the emissive molecule is selected from the group of phosphorescent organometallic complexes, including cyclometallated platinum, iridium and osmium complexes. The organic light emitting devices optionally contain an exciton blocking layer. Furthermore, improved electroluminescent efficiency in organic light emitting devices is obtained with an emitter layer comprising organometallic complexes of transition metals of formula L | 08-20-2009 |
20090243468 | ARYLIMINO-ISOINDOLINE COMPLEXES FOR USE IN ORGANIC LIGHT EMITTING DIODES - Materials comprising emissive arylimino-isoindoline complexes comprising 1,3-bis(2-pyridylimino)isoindoline (BPI) transition metal and lanthanide complexes as described. Organic light emitting devices comprising these complexes are also described. | 10-01-2009 |
20090256141 | ORGANIC PHOTOSENSITIVE OPTOELECTRONIC DEVICES CONTAINING TETRA-AZAPORPHYRINS - Embodiments of the present invention provide an organic photosensitive optoelectronic device comprising at least one tetra-azaporphyrin compound of formula (I) are disclosed herein. | 10-15-2009 |
20090256476 | OLEDS DOPED WITH PHOSPHORESCENT COMPOUNDS - Organic light emitting devices are disclosed which are comprised of a heterostructure for producing electroluminescence wherein the heterostructure is comprised of an emissive layer containing a phosphorescent dopant compound. For example, the phosphorescent dopant compound may be comprised of platinum octaethylporphine (PtOEP), which is a compound having the chemical structure with the formula: | 10-15-2009 |
20100000606 | ORGANIC PHOTOSENSITIVE DEVICES - The present invention generally relates to organic photosensitive optoelectronic devices. More specifically, it is directed to organic photovoltaic devices, e.g., organic solar cells. More specifically, it is directed to organic photosensitive optoelectronic devices that comprise a cyclometallated organometallic compound as a light absorbing material. | 01-07-2010 |
20100013386 | NEAR INFRARED EMITTING ORGANIC COMPOUNDS AND ORGANIC DEVICES USING THE SAME - Certain iridium compounds which may comprise an iridium(III)-ligand complex having the general formula: (ĈN) | 01-21-2010 |
20100065112 | Organic Photosensitive Devices Comprising a Squaraine Containing Organoheterojunction and Methods of Making Same - An organic photosensitive optoelectronic device comprising at least one Donor-Acceptor heterojunction formed from a squaraine compound of formula I: | 03-18-2010 |
20100187988 | TRANSPARENT CONTACTS FOR ORGANIC DEVICES - A multicolor organic light emitting device employs vertically stacked layers of double heterostructure devices which are fabricated from organic compounds. The vertical stacked structure is formed on a glass base having a transparent coating of ITO or similar metal to provide a substrate. Deposited on the substrate is the vertical stacked arrangement of three double heterostructure devices, each fabricated from a suitable organic material. Stacking is implemented such that the double heterostructure with the longest wavelength is on the top of the stack. This constitutes the device emitting red light on the top with the device having the shortest wavelength, namely, the device emitting blue light, on the bottom of the stack. Located between the red and blue device structures is the green device structure. The devices are configured as stacked to provide a staircase profile whereby each device is separated from the other by a thin transparent conductive contact layer to enable light emanating from each of the devices to pass through the semitransparent contacts and through the lower device structures while further enabling each of the devices to receive a selective bias. The devices are substantially transparent when de-energized, making them useful for heads-up display applications. | 07-29-2010 |
20100260745 | METHODS OF USING AND CONSTRUCTING NANOSENSOR PLATFORMS - The present invention relates to the use of nanowires, nanotubes and nanosensor platforms. In one embodiment, the present invention provides a method of constructing a nanosensor platform. In another embodiment, the present invention provides a method of analyzing multiple biomarker signals on a nanosensor platform for the detection of a disease. | 10-14-2010 |
20100292348 | DETECTION OF METHYLATED DNA AND DNA MUTATIONS - The present invention relates to various methods of detecting DNA methylation and defected DNA. In one embodiment, the invention provides a nanosensor bound to a probe that is complementary to a DNA methylation sequence. | 11-18-2010 |
20100300538 | ORGANIC ELECTRONIC DEVICES USING PHTHALIMIDE COMPOUNDS - Organic electronic devices comprising a phthalimide compound. The phthalimide compounds disclosed herein are electron transporters with large HOMO-LUMO gaps, high triplet energies, large reduction potentials, and/or thermal and chemical stability. As such, these phthalimide compounds are suitable for use in any of various organic electronic devices, such as OLEDs and solar cells. In an OLED, the phthalimide compounds may serve various functions, such as a host in the emissive layer, as a hole blocking material, or as an electron transport material. In a solar cell, the phthalimide compounds may serve various functions, such as an exciton blocking material. Various examples of phthalimide compounds which may be suitable for use in the present invention are disclosed. | 12-02-2010 |
20110017975 | ORGANIC OPTOELECTRONIC DEVICE ELECTRODES WITH NANOTUBES - An electrode for use in an organic optoelectronic device is provided. The electrode includes a thin film of single-wall carbon nanotubes. The film may be deposited on a substrate of the device by using an elastomeric stamp. The film may be enhanced by spin-coating a smoothing layer on the film and/or doping the film to enhance conductivity. Electrodes according to the present invention may have conductivities, transparencies, and other features comparable to other materials typically used as electrodes in optoelectronic devices. | 01-27-2011 |
20110049367 | ORGANIC THIN FILMS FOR INFRARED DETECTION - The present invention provides methods and organic photosensitive materials and devices for detection of infrared radiation. | 03-03-2011 |
20110101856 | Ion-Pairing Soft Salts Based On Organometallic Complexes And Their Applications In Organic Light Emitting Diodes - Organometallic soft salt compounds are provided. In particular, the compounds comprise mononuclear Ir-based soft salts. The compounds may be used in organic light emitting diodes (OLED) and light emitting cells (LEC). | 05-05-2011 |
20110112296 | ORGANOMETALLIC COMPLEXES AS PHOSPHORESCENT EMITTERS IN ORGANIC LEDS - Organic light emitting devices are described wherein the emissive layer comprises a host material containing an emissive molecule, which molecule is adapted to luminesce when a voltage is applied across the heterostructure, and the emissive molecule is selected from the group of phosphorescent organometallic complexes, including cyclometallated platinum, iridium and osmium complexes. The organic light emitting devices optionally contain an exciton blocking layer. Furthermore, improved electroluminescent efficiency in organic light emitting devices is obtained with an emitter layer comprising organometallic complexes of transition metals of formula L | 05-12-2011 |
20110147727 | OLEDS DOPED WITH PHOSPHORESCENT COMPOUNDS - Organic light emitting devices are disclosed which are comprised of a heterostructure for producing electroluminescence wherein the heterostructure is comprised of an emissive layer containing a phosphorescent dopant compound. For example, the phosphorescent dopant compound may be comprised of platinum octaethylporphine (PtOEP), which is a compound having the chemical structure with the formula: | 06-23-2011 |
20110275544 | MICROFLUIDIC INTEGRATION WITH NANOSENSOR PLATFORM - The present invention describes microfluidics being employed to achieve multiplex surface functionalization of nanosensor chips by selectively delivering probe molecules to individual nanosensors in an array, and microfluidics being employed to achieve delivery of a solution containing multiple analytes over individual nanosensors in an array, where each nanosensor was previously configured with a specific capture molecule. | 11-10-2011 |
20110285280 | ORGANOMETALLIC COMPLEXES AS PHOSPHORESCENT EMITTERS IN ORGANIC LEDS - Organic light emitting devices are described wherein the emissive layer comprises a host material containing an emissive molecule, which molecule is adapted to luminesce when a voltage is applied across the heterostructure, and the emissive molecule is selected from the group of phosphorescent organometallic complexes, including cyclometallated platinum, iridium and osmium complexes. The organic light emitting devices optionally contain an exciton blocking layer. Furthermore, improved electroluminescent efficiency in organic light emitting devices is obtained with an emitter layer comprising organometallic complexes of transition metals of formula L | 11-24-2011 |
20120001155 | FUSING PORPHYRINS WITH POLYCYCLIC AROMATIC HYDROCARBONS AND HETEROCYCLES FOR OPTOELECTRONIC APPLICATIONS - A compound that can be used as a donor material in organic photovoltaic devices comprising a non-activated porphyrin fused with one or more non-activated polycyclic aromatic rings or one or more non-activated, heterocyclic rings can be obtained by a thermal fusion process. By heating the reaction mixture of non-activated porphyrins with non-activated polycyclic aromatic rings or heterocyclic rings to a fusion temperature and holding for a predetermined time, fusion of one or more polycyclic rings or heterocyclic rings to the non-activated porphyrin core in meso,β fashion is achieved, resulting in hybrid structures containing a distorted porphyrin ring with annulated aromatic rings. The porphyrin core can be olygoporphyrins. | 01-05-2012 |
20120007061 | Luminescent Cyclometallated Iridium(III) Complexes Having Acetylide Ligands - The present invention relates to phosphorescent (triplet-emitting) organometallic materials. The phosphorescent materials of the present invention comprise Ir(III)cyclometallated alkynyl complexes for use as triplet light-emitting materials. The Ir(III)cyclometallated alkynyl complexes comprise at least one cyclometallating ligand and at least one alkynyl ligand bonded to the iridium. Also provided is an organic light emitting device comprising an anode, a cathode and an emissive layer between the anode and the cathode, wherein the emissive layer comprises a Ir(III)cyclometallated alkynyl complex as a triplet emitting material. | 01-12-2012 |
20120025698 | PHENYL AND FLUORENYL SUBSTITUTED PHENYL-PYRAZOLE COMPLEXES OF Ir - The invention provides emissive materials and organic light emitting devices using the emissive materials in an emissive layer disposed between and electrically connected to an anode and a cathode. The emissive materials include compounds with the following structure: | 02-02-2012 |
20120045862 | CO-DEPOSITION METHODS FOR THE FABRICATION OF ORGANIC OPTOELECTRONIC DEVICES - A method for fabricating an OLED by preparing phosphorescent metal complexes in situ is provided. In particular, the method simultaneously synthesizes and deposits copper (I) complexes in an organic light emitting device. Devices comprising such complexes may provide improved photoluminescent and electroluminescent properties. | 02-23-2012 |
20120138906 | CAPTURE AGENTS FOR UNSATURATED METAL COMPLEXES - Compounds that act as capture agents to sequester unsaturated metal complexes are provided. In particular, the compounds may be host materials, dopant materials, or co-dopant materials containing functional groups, such as an isocyanide or a phosphine group, which are suitable for trapping an unsaturated coordination complex. These compounds may be used in organic light emitting devices, particularly blue devices, to provide improved device lifetime. | 06-07-2012 |
20120153266 | FLUORESCENT ISOINDOLINE DYES - The present invention provides a new class of excited state intramolecular charge transfer (ESIPT) dye compounds based on mono or dihydroxy substituted 1,3-bisiminoisoindole motif and metal complexes containing such compounds as ligands. The present invention also provides OLEDs containing the compound and/or metal complex as the emissive material. | 06-21-2012 |
20120168697 | BROADLY ABSORBING METALLOPORPHYRIN-BASED MULTICHROMOPHORIC ARRAYS FOR TRIPLET HARVESTING - The present disclosure relates to multichromophoric assemblies comprising metalloporphyrin scaffolds. The present disclosure also relates, in part, to methods for generating electric-field-stabilized geminate polaron pairs comprising applying electric fields to the multichromophoric assemblies described herein, or alternatively, directly to the metalloporphyrins provided by the present disclosure. The present disclosure further relates, in part, to multichromophoric assemblies comprising metalloporphyrin scaffolds, which exhibit enhanced energy transfer properties. | 07-05-2012 |
20120177813 | CHEMICAL ANNEALING METHOD FOR FABRICATION OF ORGANIC THIN FILMS FOR OPTOELECTRONIC DEVICES - There is disclosed a method of coordinating ligands, such as nitrogen-containing ligands to metal centers of metal-containing macrocyclic compounds, such as Magnesium Tetraphenyl Porphyrin (MgTPP) or Zinc Tetraphenyl Porphyrin (ZnTPP). The disclosed method comprises (a) forming an organic film comprising the disclosed metal-containing, macrocyclic compound; and (b) exposing the organic film to a vapor comprising at least one ligand for a time sufficient to coordinate the ligand to metal centers in the metal-containing, macrocyclic compound. There is also disclosed a method for preparing an organic photovoltaic device, such as a solar cell, comprising an ordered crystalline organic film made by the disclosed chemical annealing process. | 07-12-2012 |
20120228586 | ORGANIC PHOTOSENSITIVE OPTOELECTRONIC DEVICES WITH TRIPLET HARVESTING - There is disclosed an organic photosensitive optoelectronic devices comprising organic photoconductive materials, which comprise singlet fission host materials doped with triplet forming materials. There is also disclosed devices made from such materials, such as an organic photovoltaic cell, a photoconductor cell, a photodetector, organic photosensors, chemical sensors, and biological sensors. Methods of fabricating such devices are also disclosed. | 09-13-2012 |
20130025684 | ORGANIC ELECTRONIC DEVICES USING PHTHALIMIDE COMPOUNDS - Organic electronic devices comprising a phthalimide compound. The phthalimide compounds disclosed herein are electron transporters with large HOMO-LUMO gaps, high triplet energies, large reduction potentials, and/or thermal and chemical stability. As such, these phthalimide compounds are suitable for use in any of various organic electronic devices, such as OLEDs and solar cells. In an OLED, the phthalimide compounds may serve various functions, such as a host in the emissive layer, as a hole blocking material, or as an electron transport material. In a solar cell, the phthalimide compounds may serve various functions, such as an exciton blocking material. Various examples of phthalimide compounds which may be suitable for use in the present invention are disclosed. | 01-31-2013 |
20130059406 | ORGANIC OPTOELECTRONIC DEVICE ELECTRODES WITH NANOTUBES - An electrode for use in an organic optoelectronic device is provided. The electrode includes a thin film of single-wall carbon nanotubes. The film may be deposited on a substrate of the device by using an elastomeric stamp. The film may be enhanced by spin-coating a smoothing layer on the film and/or doping the film to enhance conductivity. Electrodes according to the present invention may have conductivities, transparencies, and other features comparable to other materials typically used as electrodes in optoelectronic devices. | 03-07-2013 |
20130119361 | PHENYL AND FLUORENYL SUBSTITUTED PHENYL-PYRAZOLE COMPLEXES OF Ir - The invention provides emissive materials and organic light emitting devices using the emissive materials in an emissive layer disposed between and electrically connected to an anode and a cathode. The emissive materials include compounds with the following structure: | 05-16-2013 |
20130187136 | SYNTHESIS OF AZA-ACENES AS NOVEL N-TYPE MATERIALS FOR ORGANIC ELECTRONICS - Acenes, such as aza-acenes are attractive materials for organic semiconductors, specifically for n-type materials. There are disclosed new derivatives of acenes that are fabricated using novel synthesis. For example, the disclosed fabrication strategies have allowed for the first time new aza-tetracene and aza-pentacene derivatives. The HOMO and LUMO energy levels of these materials are tunable through appropriate substitution and as predicted, deepened. There are also disclosed organic photosensitive devices comprising at least one aza-acene such as aza-tetracene and aza-pentacene. | 07-25-2013 |
20130210189 | ENHANCED BULK HETEROJUNCTION DEVICES PREPARED BY THERMAL AND SOLVENT VAPOR ANNEALING PROCESSES - A method of preparing a bulk heterojunction organic photovoltaic cell through combinations of thermal and solvent vapor annealing are described. Bulk heterojunction films may prepared by known methods such as spin coating, and then exposed to one or more vaporized solvents and thermally annealed in an effort to enhance the crystalline nature of the photoactive materials. | 08-15-2013 |
20140076403 | DIPYRIN BASED MATERIALS FOR PHOTOVOLTAICS, COMPOUNDS CAPABLE OF UNDERGOING SYMMETRY BREAKING INTRAMOLECULAR CHARGE TRANSFER IN A POLARIZING MEDIUM AND ORGANIC PHOTOVOLTAIC DEVICES COMPRISING THE SAME - The present disclosure generally relates to organic photosensitive optoelectronic devices comprising at least one boron dipyrrin compound. In addition, the present disclosure relates to methods of making organic photosensitive optoelectronic devices comprising at least one boron dipyrrin compound. The present disclosure also generally relates to chromophoric compounds that combine strong absorption of light at visible wavelengths with the ability to undergo symmetry-breaking intramolecular charge transfer (ICT), and their use for the generation of free carriers in organic photovoltaic cells (OPVs) and electric-field-stabilized geminate polaron pairs. The present disclosure also relates to the synthesis of such compounds, methods of manufacture, and applications in photovoltaic systems and organic lasers. | 03-20-2014 |
20140077689 | LIGHT EMITTING DEVICE COMPRISING PHOSPHORESCENT MATERIALS FOR WHITE LIGHT GENERATION - The present invention relates to phosphors for energy downconversion of high energy light to generate a broadband light spectrum, which emit light of different emission wavelengths. | 03-20-2014 |
20140332783 | Phenyl and Fluorenyl Substituted Phenyl-Pyrazole Complexes of lr - The invention provides emissive materials and organic light emitting devices using the emissive materials in an emissive layer disposed between and electrically connected to an anode and a cathode. The emissive materials include compounds with the following structure: | 11-13-2014 |
20150060795 | ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES - A compound having a structure according to | 03-05-2015 |
20150060830 | ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES - A compound comprising a ligand L | 03-05-2015 |
20150064483 | METAL DEPOSITION USING ORGANIC VAPOR PHASE DEPOSITION (VPD) SYSTEM - A method of depositing a film of a metal having a volatilization temperature higher than 350° C., as well as, a composite material including the same are disclosed. The method can include providing the source material in a vacuum deposition processing chamber, and providing a substrate in the vacuum deposition processing chamber. The substrate can be spaced apart from, but in fluid communication with, the source material, and also maintained at a substrate temperature that is lower than the volatilization temperature. The method can also include reducing an internal pressure of the vacuum deposition processing chamber to a pressure between 0.1 and 14,000 pascals; volatilizing the source material into a volatilized metal by heating the source material to a first temperature that is higher than the volatilization temperature; and transporting the volatilized metal to the substrate using a heated carrier gas, whereby the volatilized metal deposits on the substrate and forms the metal film. | 03-05-2015 |
20150076470 | Luminescent Cyclometallated Iridium (III) Complexes Having Acetylide Ligands - The present invention relates to phosphorescent (triplet-emitting) organometallic materials. The phosphorescent materials of the present invention comprise Ir(III)cyclometallated alkynyl complexes for use as triplet light-emitting materials. The Ir(III)cyclometallated alkynyl complexes comprise at least one cyclometallating ligand and at least one alkynyl ligand bonded to the iridium. Also provided is an organic light emitting device comprising an anode, a cathode and an emissive layer between the anode and the cathode, wherein the emissive layer comprises a Ir(III)cyclometallated alkynyl complex as a triplet emitting material. | 03-19-2015 |