Synthetic Resin Containing Patents (Class 252/301.35)
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Publication number: 20090309068Abstract: The present invention relates to novel polymers comprising a repeating unit(s) of the formula (I) wherein at least one of the substituents R1, R2, R3, R4, R5, R6 and R7 is a group -(Sp)x1-HEI, wherein Sp is a spacer unit, HEI is a group (HEII), which increases the hole-injection and/or hole-transport properties of the polymers; or a group (HEIII), which increases the electron-injection and/or electron-transport properties of the polymers, or a group (HEIIII), which increases the hole-injection and/or hole-transport properties of the polymers and the electron-injection and/or electron-transport properties of the polymers, x1 is 0, or 1, and their use in electronic devices. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high charge carrier mobilities and high temperature stability of the emission color can be observed, if the polymers according to the invention are used in polymer light emitting diodes (PLEDs).Type: ApplicationFiled: July 4, 2007Publication date: December 17, 2009Inventors: Thomas Schafer, Peter Murer, Toblas Hintermann, Beat Schmidhalter
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Publication number: 20090302748Abstract: A polymer compound comprising repeating units of the following formulae (I), (II) and (III): (wherein, R1 and R2 represent a hydrogen atom, alkyl group, alkoxy group or the like, R3 and R4 represent an alkyl group, alkoxy group or the like, and a and b represent 0 to 3, and the like.) (wherein, RN1 represents an alkyl group, R5 and R6 represent an alkyl group, alkoxy group or the like, and c and d represent 0 to 3.) ?AR???(III) (wherein, Ar represents a divalent condensed polycyclic hydrocarbon group or the like).Type: ApplicationFiled: July 25, 2007Publication date: December 10, 2009Applicant: Sumitomo Chemical Company, LimitedInventors: Tomoya Nakatani, Daisuke Fukushima
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Publication number: 20090302278Abstract: A polymer material as light emitter or charge transport material, and a polymer composition for organic electroluminescence containing a crosslinking agent characterized in that the crosslinking agent has no aromatic ring.Type: ApplicationFiled: May 17, 2006Publication date: December 10, 2009Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Yasunori Uetani
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Patent number: 7625501Abstract: An improved color-converting photoluminescent film that provides visible light emission in the red to green portion of the visible spectrum when excited by blue light. The color-converted photoluminescent film of the invention is patternable and has improved luminous efficiency and stability and is suitable for use in electroluminescent displays. The film comprises a mixture of a clear UV curable resin and photo-initiator which does not absorb blue light; and fluorescent pigment particles, wherein a molecular additive is optionally provided in to either or both of the pigment particles and curable resin. The mixture is screen printed onto a substrate to form a film and UV cured.Type: GrantFiled: May 17, 2005Date of Patent: December 1, 2009Assignee: Ifire IP CorporationInventors: Maizhi Yang, John Wesley Moore, Abdul M. Nakua, Dan Daeweon Cheong, David Irvine, Xingwei Wu, James Alexander Robert Stiles, Vincent Joseph Alfred Pugliese
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Publication number: 20090285258Abstract: The invention provides an indicator excellent in constitutional simplicity and capable of indicating both the temperature of an article to be indicated and elapsed time at that temperature, as well as an indicator of simple constitution capable of indicating the level of deformation of the article by external force. Disclosed is an external stimulus indicator including a polymer composition composed of a polymer and a dye, wherein the polymer composition has the dye fixed in a specific molecular dispersion state in the polymer, and when kept at a temperature not lower than a specific temperature for at least a predetermined time or deformed to at least a certain level by external force, changes its color to a hue different from the initial hue thereof.Type: ApplicationFiled: November 12, 2008Publication date: November 19, 2009Applicant: TOYO BOSEKI KABUSHIKI KAISHAInventor: Maki KINAMI
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Publication number: 20090280245Abstract: A printing or coating composition has a non-volatile liquid vehicle carrying a conductive polymer to be deposited on a substrate and is cleavable by heat or acidification without decomposition of said material, cleavage of said vehicle producing decomposition products that are more volatile than said vehicle and which can be evaporated to dry the composition. Suitably, that vehicle is a carbonic acid diester or a malonic acid diester, e.g. of the formula: wherein R2 is an organic substituent such that R2—OH is a volatile alcohol; R1 is an aliphatic or aromatic substituent of more than three carbon atoms such that is volatile; and R3 is C1-3 alkyl.Type: ApplicationFiled: April 13, 2007Publication date: November 12, 2009Applicant: The Technical University of DenmarkInventors: Frederik Krebs, Mikkel Joergensen
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Publication number: 20090272913Abstract: A nanoparticle having a surfactant shell with a hydrophilic outer surface and a hydrophobic inner surface and an organic chromophore and a polymer having aromatic groups within the surfactant shell. A method of making nanoparticles by: emulsifying an aqueous composition of a surfactant and an organic solution of a monomer and an organic chromophore to form micelles of the monomer and the chromophore inside a surfactant shell; and polymerizing the monomer. A method of: reacting a ?-bromoalkyl acid with acryloyl acid lithium salt, and reacting the product with sodium hydride to produce an acryloyloxyalkyl carboxylic acid sodium salt. The compound shown below.Type: ApplicationFiled: April 29, 2009Publication date: November 5, 2009Applicant: The Government of the United States of America, as represented by the Secretary of the NavyInventors: Jawad Naciri, Christopher M. Spillmann, George P. Anderson, Banahalli R. Ratna
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Publication number: 20090250150Abstract: A tire includes at least one outer structural element, wherein the at least one outer structural element is at least partially coated by at least one coating layer including a crosslinked composition obtained by reacting: (a) at least one polysulfide polymer; (b) at least one thermoplastic polymer having at least one hydroxyl group; with (c) at least one polyisocyanate. Preferably, the at least one structural element is at least one of the tire sidewalls.Type: ApplicationFiled: May 31, 2006Publication date: October 8, 2009Inventor: Fabio Negroni
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Publication number: 20090246356Abstract: A production method of an ink composition for organic EL devices comprises preparing a composition containing a polymer organic EL material and an organic solvent; and applying an electric field to the composition. Preferably, a composition containing a polymer organic EL material prepared by a coupling reaction between a halogenated aromatic compound and an aromatic boron compound in the presence of palladium catalyst or nickel catalyst, an organic solvent, and an aromatic carboxylic acid contained in an amount of 0.01- 1 wt % based on the total amount of the organic solvent and aromatic carboxylic acid is prepared.Type: ApplicationFiled: March 27, 2009Publication date: October 1, 2009Applicant: PANASONIC CORPORATIONInventors: Takaaki HIGASHIDA, Kazuhiro NISHIKAWA
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Publication number: 20090247406Abstract: The instant invention relates to encapsulated luminescent pigments, which are encapsulated by a polymeric shell. Further aspects of the invention are polymeric compositions containing these encapsulated luminescent pigments and their use in electronic devices and agricultural films.Type: ApplicationFiled: October 4, 2006Publication date: October 1, 2009Inventors: David De Corte, Mara Destro, Cesare Lorenzetti, Kishor Kumar Mistry, Michael Tinkl, Marcello Vitale
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Publication number: 20090236972Abstract: An organic light emitting device having a phase-separated light-emissive layer comprising: a charge transport phase comprising a charge transport material; and an emitting phase, the emitting phase comprising a plurality of discrete emissive domains dispersed in the charge transport phase, each emitting domain comprising a host material and one or more metal complexes for emitting light by phosphorescence; wherein the charge transport material has a T1 energy level lower than the T1 energy level of the metal complexes and the host material has a T1 energy level higher than the T1 energy level of the metal complexes.Type: ApplicationFiled: December 12, 2005Publication date: September 24, 2009Applicants: Cambridge Display Technology Limited, CDT Oxford LimitedInventors: Carl Towns, Stephen O'Connor, Andrew Bruce Holmes
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Patent number: 7592414Abstract: The invention provides low molecular weight or polymeric organic materials in which at least one hydrogen atom is replaced by a group of the formula (A) where R is alkyl group, alkoxyalkyl group, alkoxy group, thioalkoxy group, aryl group or alkenyl group, in each of which one or more hydrogen atoms may be replaced and one or more nonadjacent carbon atoms may be replaced. Z is —O—, —S—, —CO—, —COO—, —O—CO— or a bivalent group —(CR1R2)n— in which R1 and R2 are hydrogen, alkyl, alkoxy, alkoxyalkyl or thioalkoxy group, aryl or alkenyl, in each of which one or more hydrogen atoms may be replaced and one or more nonadjacent carbon atoms may be replaced, and n is an integer from 1 to 20. X is a bivalent group —(CR1R2)n— and, with the proviso that the number of these A groups is limited by the maximum number of available substitutable hydrogen atoms.Type: GrantFiled: August 1, 2001Date of Patent: September 22, 2009Assignee: Merck Patent GmbHInventors: Klaus Meerholz, Michael Bayerl, Florian Bielefeldt, Thomas Braig, Markus Gross, David Müller, Oskar Nuyken, Hubert Spreitzer
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Publication number: 20090226759Abstract: The present invention relates to partly conjugated spirobifluorene polymers which are linked in the polymer via both spiro molecule halves. The materials according to the invention display a purer emission colour and a longer life than materials according to the prior art and are therefore better suited for use in polymeric organic light-emitting diodes.Type: ApplicationFiled: December 6, 2005Publication date: September 10, 2009Applicant: Merck Patent GmbHInventors: Susanne Heun, Amir Parham, Aurélie Ludemann
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Publication number: 20090224274Abstract: A process is provided for the effective tuning of the emitting light of OLEDs and thus, achieving single layer, patterned full color displays of optimal quality. The present invention describes a process for the tuning of the emitting color of OLEDs where in the emissive layer of single layer OLEDs suitable emitters in suitable quantities have been dispersed along with a suitable photoacid generator, thus enabling the photochemical transformation of selected areas of the emissive layer in such a way as to change the spectrum of the emitted light at wish.Type: ApplicationFiled: June 19, 2007Publication date: September 10, 2009Inventors: Panagiotis Argitis, Georgios Pistolis
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Patent number: 7579769Abstract: The present invention is directed to color electroluminescent displays comprising a novel sub-pixel structure and method for making the same. The sub-pixel structure has an electroluminescent phosphor, which emits blue light, and a photoluminescent phosphor, which emits at least one other color as a result of absorption of the blue light. The invention is also directed to novel photoluminescent phosphor materials.Type: GrantFiled: November 8, 2005Date of Patent: August 25, 2009Assignee: IFIRE IP CorporationInventors: Xingwei Wu, Abdul M. Nakua
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Publication number: 20090206731Abstract: A monomer for use in manufacturing a conjugated polymer, the monomer having a structure as shown formula (2): Ar1, Ar2 and Ar3 are independently selected from optionally substituted aryl or heteroaryl, X1 and X3 both independently comprise a leaving group capable of participating in polymerisation and Z represents a direct bond or an optionally substituted bridging atom.Type: ApplicationFiled: December 23, 2005Publication date: August 20, 2009Applicants: CAMBRIDGE DISPLAY TECHNOLOGY LIMITED, CDT OXFORD LIMITEDInventors: Mark Leadbeater, Sophie Heidenhain, Annette Steudel, Daniel Hicks
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Publication number: 20090203148Abstract: The invention relates to methods and devices used in the sequencing, separation, detection, and identification of objects and biological molecules. In preferred embodiments, the invention relates to a DNA sequencing system based on cyclic sequencing by synthesis which is performed on beads in three-dimensional vessels and detected using monolithic multicapillary arrays. In other embodiments, the invention relates to a bead comprising two or more luminescent labels coupled to a nucleic acid sequence. In further embodiments, said luminescent labels are quantum dots.Type: ApplicationFiled: January 19, 2007Publication date: August 13, 2009Inventors: Vera Gorfinkel, Boris Gorbovitski, Michael Gorbovitski
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Publication number: 20090184292Abstract: A polymer compound having a conjugated polymer main chain and at least one side chain selected from the following (a), (b) and (c): (a) side chain having electron transportability, wherein the value of LUMO energy of the side chain and the value of LUMO energy of the conjugated polymer main chain are mutually different, and the absolute value of the difference thereof is 0.3 eV or less, (b) side chain having hole transportability, wherein the value of HOMO energy of the side chain and the value of HOMO energy of the conjugated polymer main chain are mutually different, and the absolute value of the difference thereof is 0.3 eV or less, (c) side chain having electron transportability and hole transportability, wherein the value of LUMO energy of the side chain and the value of LUMO energy of the conjugated polymer main chain are mutually different, and the absolute value of the difference thereof is 0.Type: ApplicationFiled: May 30, 2007Publication date: July 23, 2009Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Kazuei Ohuchi, Yasunori Uetani, Akiko Nakazono
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Publication number: 20090174326Abstract: Disclosed is a polymer material containing a fluorescent or phosphorescent compound. When used in a light-emitting device, the polymer material enables to obtain a light-emitting device with excellent practicability which can be driven at low voltage and is excellent in luminous efficiency, color tones of emitted light and the like. Specifically disclosed is a polymer material characterized by containing a polymer (A) having a residue of a compound represented by the formula (1) below or the structure of (A), and a molecule (B) exhibiting fluorescence or phosphorescence in the visible region or the structure of (B). (In the formula, ring A, ring B and ring C independently represent an optionally substituted aromatic ring or non-aromatic ring; and Z1, Z2, Z3, Z4 and Z5 independently represent C-(Q)z or a nitrogen atom, wherein Q represents a substituent or a hydrogen atom and z represents 0 or 1.Type: ApplicationFiled: November 29, 2006Publication date: July 9, 2009Applicant: Sumitomo Chemical Company, LimitedInventors: Miho Ishikawa, Jun Oguma
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Publication number: 20090159859Abstract: In the invention, use is made of at least one metal organosilicate polymer, in the form of particles, having one of the following formulae I and II: R4Si4Al2O8(OH)x, ??Formula I: R8Si8M6O16(OH)y, ??Formula II: for the protection from oxidation and/or electromagnetic radiation of a compound sensitive to oxidation and/or to electromagnetic radiation. The invention finds application in particular in the field of the protection from oxidation and photoaging of various materials.Type: ApplicationFiled: December 5, 2008Publication date: June 25, 2009Inventors: Olivier Poncelet, Olivier Raccurt, Olivier Renard, Jorice Samuel
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Publication number: 20090146106Abstract: Fluorescent poly(alkylene terephthalate) compositions are provided. The fluorescent poly(alkylene terephthalate) compositions contain fluorescent poly(alkylene terephthalate)s and are made from fluorescent compounds and poly(alkylene terephthalate) oligomers, or by polymerizing amine and acid monomers in the presence of fluorescent compounds.Type: ApplicationFiled: February 12, 2009Publication date: June 11, 2009Inventors: GYORGYI FENYVESI, Joseph V. Kurian
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Publication number: 20090140207Abstract: Microencapsulated particles having improved resistance to moisture and extended release capabilities are produced by microencapsulating the particles in a film-forming, cross-linked, hydrolyzed polymer.Type: ApplicationFiled: December 2, 2008Publication date: June 4, 2009Inventor: ROBERT G. BAYLESS
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Publication number: 20090127509Abstract: There is provided herein cross-linked, phosphorescent micro- and nanoparticles and applications of those particles. The invention uses halogen-containing polymers and co-polymers (HCPs) as an encapsulation matrix for organic and organometallic phosphorescent compounds to form micro- or nanoparticles. The phosphorescence of these encapsulated phosphorescent particles is substantially unaffected by phosphorescence quenchers such as oxygen and water molecules at ambient conditions. The invention provides methods of making cross-linked phosphorescent particles. HCPs may be directly cross-linked through linking moieties that are a part of the polymer, or cross-linked through other separate bridging or cross-linking materials Cross-linked particles are more stable than the non-cross-linked counterparts and more resistant to temperature, surfactants, and organic solvents.Type: ApplicationFiled: July 2, 2007Publication date: May 21, 2009Applicant: KIMBERLY-CLARK WORLDWIDE, INC.Inventors: Lei Huang, Xuedong Song, Bin Wu, Rosann Marie Kaylor
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Publication number: 20090127491Abstract: A thiophene compound having sulfonyl groups which is represented by the formula [1]. It has high heat resistance and high unsusceptibility to oxidation and can improve solubility and dispersibility in various solvents. [In the formula, R1 and R2 each independently represents hydrogen, halogeno, cyano, etc.; and R3 and R3? each independently represents C1-20 alkyl, C1-20 haloalkyl, phenyl optionally substituted by W, thienyl optionally substituted by W, etc. (W represents chlorine, etc.).Type: ApplicationFiled: July 11, 2006Publication date: May 21, 2009Applicant: Nissan Chemical Industries, Ltd.Inventors: Nobuyuki Kakiuchi, Hitoshi Furusho, Naoki Otani, Tatsuo Okauchi, Naoki Nakaie
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Patent number: 7534503Abstract: A monomer having general Formula (I) which may be substituted or unsubstituted: where E and E are the same or different and are reactive groups capable of undergoing chain extension; X is O, S, NR5, R5C—CR6 or R5?CR6; Y is O, S, NR7, R7C—CR8 or R7C?CR8; R5, R6 R7 and R8 are the same or different and each is independently H or a substituent group; and each Ar is the same or different and is independently a substituted or unsubstituted aryl or heteroaryl group.Type: GrantFiled: January 23, 2002Date of Patent: May 19, 2009Assignee: Cambridge Display Technology LimitedInventors: Jeremy Burroughes, Carl Towns, Thomas Pounds, Jonathan Halls
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Publication number: 20090121618Abstract: A composition for ink jet printing an opto-electrical device, the composition comprising: an electroluminescent or charge transporting organic material; and a high boiling point solvent having a boiling point higher than water.Type: ApplicationFiled: May 19, 2006Publication date: May 14, 2009Inventors: Peter J. Lyon, Julian Carter, Colin Creighton, Haydn Gregory
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Patent number: 7531247Abstract: An organic electroluminescence (EL) device capable of digital driving, and a method for manufacturing the same are disclosed herein. The organic EL device comprises a substrate, an anode formed on the substrate, an organic EL layer formed on the anode and constructed as a multilayer structure including a hole injection layer and a hole transport layer, a cathode formed on the organic EL layer, and an interface deterioration preventing layer formed between the anode and the organic EL layer.Type: GrantFiled: June 1, 2005Date of Patent: May 12, 2009Assignee: LG Display Co., Ltd.Inventors: Myung Seop Kim, Hyoung Yun Oh, Jae Man Lee, Sung Gap Kim, Jong Geun Yoon, Seong Joong Kim, Hong Gyu Kim, Joong Hwan Yang
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Publication number: 20090101870Abstract: There are disclosed bi-layer compositions which are useful as electron transport layers. The bi-layers have a first layer containing electron transport material and a second layer containing a fullerene. Also disclosed are organic light emitting diodes including the electron transport bi-layers.Type: ApplicationFiled: October 21, 2008Publication date: April 23, 2009Inventors: Shiva Prakash, Jonathan M. Ziebarth
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Patent number: 7521525Abstract: A blue light polymer containing an indenocarbazole unit in its main polyarylene chain and an organoelectroluminescent device using the same are provided. The organoelectroluminescent device exhibits high luminous efficiency and high color purity.Type: GrantFiled: June 20, 2005Date of Patent: April 21, 2009Assignee: Samsung Mobile Display Co., Ltd.Inventors: Byung-Hee Sohn, Woon-Jung Paek, Myung-Sup Jung, In-Nam Kang
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Patent number: 7510782Abstract: The present invention provides a polymer material showing high luminous efficiency at a low voltage and suitable for increasing the emission area and for the mass production, and an organic light emitting device using the same. The present invention relates to a polymer compound comprising a boron-containing monomer unit represented by formula (1): [in the formula, A represents a triphenyl boron group in which the phenyl group may be substituted, R16 represents a hydrogen atom or an alkyl group having 1 to 12 carbon atoms.Type: GrantFiled: December 10, 2004Date of Patent: March 31, 2009Assignee: Showa Denko K.K.Inventors: Tsuyoshi Kato, Kunio Kondo
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Publication number: 20090072197Abstract: Fluorescent polymeric materials are disclosed comprising a polymer and one or more lipid soluble rhodamine dyes. The materials are especially useful in the preparation of multicolored microparticles, especially multicolored polystyrene microparticle, for use in the multiplexed analysis of a plurality of analytes in a single sample. When excited by a light source, the materials give off a unique emission based on the nature, concentration and ratio of the dyes therein. Methods of preparing and using said materials are also disclosed.Type: ApplicationFiled: September 29, 2008Publication date: March 19, 2009Applicant: Applied Biosystems Inc.Inventors: Joe Y.L. LAM, Steven M. Menchen, Ruiming Zou, Scott C. Benson
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Publication number: 20090072722Abstract: An organic light emissive device, which comprises: an anode; a cathode; and an organic light emissive region between the anode and the cathode, which region comprises a polymeric electroluminescent material; wherein the emission from the polymeric electroluminescent material is colour shifted by the presence of a colour shifting unit in the polymer.Type: ApplicationFiled: December 19, 2006Publication date: March 19, 2009Applicant: CTD OXFORD LIMITEDInventors: Mark Dowling, Richard Wilson
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Publication number: 20090065741Abstract: The invention relates to a method and apparatus for the application of material to form a layer of an organic electroluminescent device. The material is sputter deposited typically from at least one target of material held in respect to a magnetron in a coating chamber. The magnetrons used can be unbalanced magnetrons and/or are provided with other magnetrons and/or magnet arrays in a closed field configuration. The material is found to be deposited in a manner which prevents or minimises damage to the device and hence reduces or removes the need for a barrier layer to be applied.Type: ApplicationFiled: February 16, 2006Publication date: March 12, 2009Applicants: APPLIED MULTILAYERS LIMITED, CAMBRIDGE DISPLAY TECHNOLOGY LIMITEDInventors: John Michael Walls, Desmond Gibson, William Young, Nalinkumar Patel, Nicoletta Anathassopoulou
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Publication number: 20090057627Abstract: A method of quenching fluorescence of a naphthalate polyester that is subjected to UV-radiation in an amount sufficient to cause the naphthalate polyester to reach an excited state and fluoresce, comprising adding to the naphthalate polyester a fluorescence quenching amount of a compound of formula (1): wherein R1 is an alkoxy; R2 is an organic linker; k is either zero or one; l is either zero or one, wherein the sum of k+l is one; and m is an integer in a range from zero to about twenty.Type: ApplicationFiled: November 3, 2008Publication date: March 5, 2009Applicant: HALLSTAR INNOVATIONS CORP.Inventors: Craig A. Bonda, Anna Pavlovic
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Patent number: 7497972Abstract: The invention relates to a moulding composed of a plastics matrix composed of a transparent plastic, comprising a soluble fluorescent dye and a scattering agent whose refractive-index difference from the plastics matrix is +/? from 0.003 to 0.2, characterized in that a white pigment whose refractive-index difference from the plastics matrix is from +0.4 to 1.5 is also present, at a concentration of from 0.001 to 0.1% by weight.Type: GrantFiled: July 25, 2003Date of Patent: March 3, 2009Assignee: Roehm GmbH & Co. KGInventors: Hans Lichtenstein, Guenther Ittmann, Eduard Albrecht
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Publication number: 20090046986Abstract: The present invention has an object to provide a photosensitive resin composition for optical waveguide formation, which has low transmission loss and can form a waveguide pattern with high shape accuracy at low cost; an optical waveguide; and a method for producing an optical waveguide. The present invention provides a photosensitive resin composition for optical waveguide formation comprising at least: a polymer containing at least a (meth)acrylate structure unit having an epoxy structure, and a (meth)acrylate structure unit having a lactone structure and/or a vinyl monomer structure unit having an aromatic structure; and a photoacid generator, of which one or both of a core layer and a cladding layer are formed of a cured product.Type: ApplicationFiled: November 1, 2006Publication date: February 19, 2009Applicant: NEC CORPORATIONInventors: Katsumi Maeda, Kaichiro Nakano
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Publication number: 20090045725Abstract: A high-molecular compound, characterized by containing a chain consisting of repeating units represented by the general formula (1) and having an average number of repeating units constituting the chain of 3 or above and a ratio of bonds formed between the head and the tail to all the bonds formed between repeating units of 85% or above: (1) wherein Ar1 is a divalent aromatic group whose aromatic ring is an aromatic hydrocarbon ring; R1 is a substituent on Ar1; n is an integer of 0 to 30; when n is 2 or above, plural R1's may be the same or different from each other, when the carbon atoms of a repeating unit of the general formula (1) are numbered as a divalent group according to Nomenclature of Organic Chemistry by IUPAC, between the two carbon atoms having free valencies, the carbon atom with a smaller number is defined as the head and the carbon atom with a larger number is defined as the tail; and no repeating unit of the general formula (1) has a two-fold axis of symmetry intersecting the straight line jType: ApplicationFiled: June 9, 2006Publication date: February 19, 2009Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Daisuke Fukushima, Akihiko Okada, Takeshi Yamada, Kazuei Ohuchi, Hideyuki Higashimura, Nozomi Kogure
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Publication number: 20090039765Abstract: A light emitting polymer composition comprising a light emitting polymer and a compound selected from the following formulae (1a) to (1d): (wherein, X represents an atom or atomic group forming a 5-membered or 6-membered ring together with four carbon atoms on two benzene rings in the formula, Q and T represent each independently a hydrogen atom, halogen atom, alkyl group, alkyloxy group, alkylthio group, aryl group, aryloxy group, arylthio group, arylalkyl group, arylalkyloxy group, arylalkylthio group, alkenyl group, alkynyl group, arylalkenyl group, arylalkynyl group, substituted silyloxy group, substituted silylthio group, substituted silylamino group, substituted amino group, amide group, acid imide group, acyloxy group, mono-valent heterocyclic group, heteroaryloxy group, heteroarylthio group, cyano group or nitro group).Type: ApplicationFiled: August 23, 2005Publication date: February 12, 2009Inventors: Yasunori Uetani, Nobuhiko Shirasawa, Hirotoshi Nakanishi
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Publication number: 20090017307Abstract: The present invention relates to advantageous processes for the manufacture of organic pigments and their precursors. The invention particularly relates to reactions carried out in an “All In One Reactor”® (Draiswerke GmbH, Germany), a kneader like the TurbuKneader® of the same company, a paddle dryer like the Turbudry® of the same company or a related system and thereby submitting the reaction mixtures to enhanced driving power as expressed by a Froude number >1, the reaction mixture being caused to react in high concentrations at elevated temperature.Type: ApplicationFiled: May 16, 2008Publication date: January 15, 2009Applicant: MCA TECHNOLOGIES, GMBHInventor: Bansi Lal KAUL
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Publication number: 20080305309Abstract: The invention is directed to a composition having a carrier and a luminescent chelate wherein the lanthanide chelate being a lanthanide and a ligand wherein the ligand being represented by the formula wherein R1 is alkyl, aryl, or heteroaryl; and R2 is alkyl, aminoalkyl, aryl or heteroaryl. The invention is further directed to a process for coating articles.Type: ApplicationFiled: June 8, 2007Publication date: December 11, 2008Inventor: DAMIEN F. REARDON
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Patent number: 7462298Abstract: Compositions are provided comprising aqueous dispersions of polyaniline and colloid-forming polymeric acids. Films from invention compositions are useful as buffer layers, in organic electronic devices including electroluminescent devices, such as organic light emitting diodes (OLED) displays. Films cast from invention compositions are also useful in combination with metal metalwires or carbon nanotubes in applications such as drain, source, or gate electrodes in thin film field effect transistors.Type: GrantFiled: September 24, 2003Date of Patent: December 9, 2008Assignee: E.I. du Pont de Nemours and CompanyInventors: Che-Hsiung Hsu, Frank P. Uckert
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Patent number: 7462325Abstract: This invention involves a series of articles, dispersions, compositions, methods, and kits. Several aspects of the invention involve dispersed particles made from polymers having a delocalized ?-orbital backbone structure, as well as methods for making and using such particles. The delocalized ?-orbital backbone allows the polymer to have a high degree of luminosity, useful in many embodiments of the invention. The polymers of this invention can also have bulky substituents to prevent intermolecular ?-? interactions that can decrease luminosity. The polymer may also have charged side chains immobilized relative to the backbone, which can allow the polymer to be made into stably suspended micro- or nanoparticles dispersed in solution, sometimes with very narrow size distributions. In some embodiments, depending on the conditions used to synthesize and prepare the particles, the particles each consist of a single polymer molecule.Type: GrantFiled: November 30, 2001Date of Patent: December 9, 2008Assignee: Nomadics, Inc.Inventors: Lawrence F. Hancock, Robert Deans, Wei Chen
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Publication number: 20080290321Abstract: The invention relates to fluorescent polymers soluble in an aqueous solution carrying at least 5 fluorophores which are distributed on the polymer and which exhibit the following properties: the fluorophores are water-soluble, the fluorophores are not self-associated in water at a concentration of less than or equal to 10?4 mol/l, preferably at a concentration of less than or equal to 10?3 mol/l, the fluorophores which are free in the aqueous solution have a molar extinction coefficient of greater than 1000 M?1·cm?1, preferably greater than 5000 M?1·cm?1, the fluorophores which are free in the aqueous solution have a quantum yield of greater than 0.3, preferably greater than 0.6, said polymers having a fluorescence amplification factor of greater than or equal to 0.35 per kg/mol of polymer, preferably greater than 0.45 per kg/mol of polymer.Type: ApplicationFiled: June 30, 2006Publication date: November 27, 2008Applicants: BIOMERIEUX S.A., CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, INSTITUTO SUPERIOR TECNICOInventors: Marie-Therese Charreyre, Bernard Mandrand, Jose Manuel Gaspar Martinho, Paula Relogio, Jose Paulo Sequeira Farinha
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Publication number: 20080290792Abstract: A polymer light emitting material, wherein the material has a light emitting mechanism based on transition from an excited triplet state to a ground state or transition through an excited triplet state to a ground state of an electron energy level, and the material comprises a nonionic light emitting part which constitutes a part of the polymer or is bound to the polymer. The polymer light emitting material exhibits high light emission efficiency above 5%, which is the limit of external quantum efficiency of fluorescence and can be designed so as to have a large area and hence are suitable for mass production of organic light emitting devices.Type: ApplicationFiled: February 6, 2008Publication date: November 27, 2008Applicant: Showa Denko K.K.Inventors: Masataka TAKEUCHI, Shuichi Naijo, Naoko Ito, Koro Shirane, Takashi Igarashi, Yoshiaki Takahashi, Motoaki Kamachi
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Patent number: 7452614Abstract: The present invention is related to a luminescent material generated by polymerization of a pyrromethene complex by glow discharge. The polymer material of the present invention exhibits semi-conductive properties and has a luminescence maximum in a spectrum region in the range of about 540 nm to about 585 nm with a half-width of the luminescence band in the range of about 55 nm to about 75 nm, a quantum yield of photoluminescence in the range of about 0.6 to about 0.8, and an electric conductivity at a temperature of about 20° C. in the range of about 1×10?10 S/cm to about 5×10?10 S/cm. The resultant polymer layer has a thickness in the range of about 0.01 ?m to about 10 ?m on a substrate placed between or on any of the electrodes. The starting pyrromethene complex may be a 1,3,5,7,8-pentamethyl-2,6-diethylpyrromethene difluoroborate complex (pyrromethene 567).Type: GrantFiled: December 30, 2004Date of Patent: November 18, 2008Assignee: Samsung Electronics Co., Ltd.Inventors: Alexandr Ivanovich Drachev, Alla Borisovna Gilman, Alexandr Alexeevich Kuznetsov, Nikolay Mikhaylovich Surin
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Publication number: 20080277606Abstract: The invention relates to a microfluidic device comprising a zone for receiving a sample, an excitation source and a detector, wherein a portion of the zone allows transmission of energy at a required wavelength range and prevents transmission of energy at all other wavelengths and uses of the device in disposable on-chip fluorescent detection.Type: ApplicationFiled: November 9, 2006Publication date: November 13, 2008Applicant: MOLECULAR VISION LIMITEDInventors: Xuhua Wang, Oliver Hofmann, John De Mello, Andrew De Mello, Donal Bradley
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Publication number: 20080265758Abstract: An organometallic complex that increases an energy band gap between HOMO and triplet MLCT states, and enables highly efficient phospholuminescence and can be used for an organic electroluminescent device. The organometallic complex, which is suitably used for forming an organic layer of the organic electroluminescent device, provides a luminescence maximum emission in the wavelength range of 400-650 nm, and induces white electroluminescence when combined with green or red luminescent materials.Type: ApplicationFiled: April 11, 2008Publication date: October 30, 2008Inventors: Eun-Sil Han, Das Rupasree Ragini, Seok Chang, Yi-Yeol Lyu, Jong-Hyoup Lee, Hae-Jung Son, Lyong-Sun Pu, Tae-Yong Noh
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Publication number: 20080258111Abstract: The present invention provides compositions comprising at least one phosphorescent organometallic compound and a polymer comprising structural units derived from at least one monomer of formula I wherein R1 is H or CH3; R2 is H or C1-C5 alkyl; R3 is H or CH3; R4 and R5 are independently H, CH3, t-butyl, triarylsilyl, trialkylsilyl, diphenyl phosphine oxide, or diphenyl phosphine sulfide; m ranges from about 1 to about 20; and n ranges from about 1 to about 20. The compositions of the invention are useful as light emissive layers in light emitting devices. Thus the present invention also provides an organic light emitting device comprising a light emissive layer comprising at least one phosphorescent organometallic compound and a polymer comprising structural units derived from at least one monomer of formula I.Type: ApplicationFiled: April 17, 2007Publication date: October 23, 2008Applicant: GENERAL ELECTRIC COMPANYInventors: Qing Ye, Jie Liu
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Publication number: 20080254320Abstract: This invention provides a luminescent composition comprising a polymer and at least one phosphorescent compound, characterized in that the electronic conjunction chain coefficient Ze of the main repeating minimum unit of the polymer falls within the following range: 0<Ze?2.00 (1) wherein the electronic conjunction chain coefficient Ze is defined as a slope obtained by linear approximation of function Tm=Tm(1/ne) by the least square method wherein ne represents the number of conjugated electrons contained in repeating minimum units; and Tm represents, for m-mer obtained by bonding repeating minimum units, the lowest triplet excitation energy in each m-mer when the number m is varied from 1 to 3 by one by one. Here in the number of conjugated electrons, only the conjugated electrons present in the main chain of the repeating minimum units are taken into consideration, provided that, when there are a plurality of main repeating minimum units, the minimum Ze is used.Type: ApplicationFiled: September 14, 2006Publication date: October 16, 2008Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Nobuhiko Akino, Chizu Sekine, Satoshi Mikami, Tomoya Nakatani
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Publication number: 20080241266Abstract: There are disclosed colloids containing polymer-modified core-shell particle carrier. The described colloids containing core-shell nanoparticulate carrier particles wherein the shell contains a polymer having amine functionalities. The described carrier particles are stable under physiological conditions. The carriers can be bioconjugated with biological, pharmaceutical or diagnostic components.Type: ApplicationFiled: October 31, 2007Publication date: October 2, 2008Inventors: Joseph F. Bringley, John W. Harder, Thomas L. Penner, Tiecheng A. Qiao, Ruizheng Wang