Copolymers (epo) Patents (Class 257/E51.036)
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Patent number: 9200156Abstract: The invention relates to novel polymer blends comprising one or more hole transporting polymers and one or more electron transporting polymers, to the use of these blends in electronic and electrooptical devices, in particular in organic light emitting diodes (OLEDs), and to OLEDs comprising the polymer blends.Type: GrantFiled: June 28, 2007Date of Patent: December 1, 2015Assignee: Merck Patent GmbHInventors: Junyou Pan, Frank Meyer
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Patent number: 8912305Abstract: The present invention relates to polymers comprising a repeating unit of the formula I, or III and their use as organic semiconductor in organic devices, especially an organic field effect transistor (OFET), or a device containing a diode and/or an organic field effect transistor. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in organic field effect transistors.Type: GrantFiled: October 21, 2009Date of Patent: December 16, 2014Assignee: BASF SEInventors: Mathias Düggeli, Mahmoud Zaher Eteish, Pascal Hayoz, Olivier Frédéric Aebischer, Marta Fonrodona Turon, Margherita Fontana, Marian Lanz, Mathieu G. R. Turbioz, Beat Schmidhalter, Jean-Charles Flores
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Patent number: 8871359Abstract: An organic electroluminescence device wherein a light emitting layer exists between electrodes composed of an anode and a cathode, a layer (L) containing a polymer compound exists between the light emitting layer and the anode and the polymer compound contains a repeating unit of formula (1): wherein, Ar1, Ar2, Ar3 and Ar4 represent each independently an arylene group or divalent heterocyclic group; E1, E2 and E3 represent each independently aryl group (A) or heterocyclic group (B); a and b represent each independently 0 or 1, and 0?a+b?1; aryl group (A) is an aryl group having three or more substituents; and heterocyclic group (B) is a monovalent heterocyclic group having one or more substituents in which the sum of the number of the substituents and the number of hetero atoms of the heterocycle is 3 or more.Type: GrantFiled: January 31, 2005Date of Patent: October 28, 2014Assignee: Sumitomo Chemical Company, LimitedInventors: Yasunori Uetani, Jun Oguma, Makoto Anryu
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Patent number: 8802245Abstract: A polymer composition comprising 1 to 99 wt % of a copolymer (A) and 99 to 1 wt % of a copolymer (B); the polymer composition used as a light emitting material of a light emitting device having high performances; Copolymers (A) and (B) being copolymers showing fluorescence in the solid state and having a polystyrene-reduced number average molecular weight of 103 to 108, and containing a repeating unit (a) and a repeating unit (b); Copolymer (A) has a relation of 100>XaA>5, where XaA (%) is a percentage of the mol number of repeating unit (a) based on the sum of the mol numbers of repeating units (a), and Copolymer (B) satisfies a relation of XaB?XaA?5, where XaB (%) is a percentage of the mol number of repeating unit (a) based on the sum of the mol numbers of repeating units (a) and (b).Type: GrantFiled: May 31, 2006Date of Patent: August 12, 2014Assignee: Sumitomo Chemical Company, LimitedInventors: Katsumi Agata, Takeshi Yamada
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Patent number: 8791451Abstract: A composition comprising: at least one conjugated polymer, at least one second polymer comprising repeat units represented by: (I) optionally, —[CH2—CH(Ph-OH)]— and (II) —[CH2—CH(Ph-OR)]— wherein Ph is a phenyl ring and R comprises a fluorinated group, an alkyl group, an alkylsulfonic acid group, an alkylene oxide group, or a combination thereof is described. Other polymers can be used as second polymer including polymers comprising modified naphthol side groups. The composition can be used in hole injection and hole transport layers for organic electronic devices. Increased lifetime and better processability can be achieved. Versatility with useful OLED emitters can be achieved. Ink formulations can be adapted for ink jet printing. The conjugated polymer can be a polythiophene. Applications include OLEDs and OPVs.Type: GrantFiled: March 5, 2009Date of Patent: July 29, 2014Assignee: Solvay USA, Inc.Inventors: Venkataramanan Seshadri, Christopher T. Brown, Brian E. Woodworth, Edward S. Yang
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Patent number: 8785004Abstract: A fluorene-based copolymer of formula I includes a monomeric unit that includes a fluorene group and at least one steric hindering chemical group to provide sufficient steric interaction such that the spatial conformation of the fluorene-based copolymer is substantially non-planar. The fluorene-based copolymer exhibits UV light emission.Type: GrantFiled: January 30, 2009Date of Patent: July 22, 2014Assignee: Hewlett-Packard Development Company, L.P.Inventors: Zhang-Lin Zhou, Chung Ching Yang, Lihua Zhao
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Patent number: 8629051Abstract: An integrated circuit and a method of formation provide a contact area formed at an angled end of at least one linearly extending conductive line. In an embodiment, conductive lines with contact landing pads are formed by patterning lines in a mask material, cutting at least one of the material lines to form an angle relative to the extending direction of the material lines, forming extensions from the angled end faces of the mask material, and patterning an underlying conductor by etching using said material lines and extension as a mask. In another embodiment, at least one conductive line is cut at an angle relative to the extending direction of the conductive line to produce an angled end face, and an electrical contact landing pad is formed in contact with the angled end face.Type: GrantFiled: January 28, 2013Date of Patent: January 14, 2014Assignee: Micron Technology, Inc.Inventors: Gurtej Sandhu, Scott Sills
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Patent number: 8586209Abstract: An improved composition for ink jet printing an opto-electrical device, which composition comprises a solution-processable host material and a metal complex, wherein the viscosity of the composition exceeds 12 mPa·s at 20° C.Type: GrantFiled: August 14, 2009Date of Patent: November 19, 2013Assignee: Cambridge Display Technology LimitedInventors: Paul Wallace, Simon Goddard, Ilaria Grizzi
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Patent number: 8525191Abstract: An optoelectronic device assembly can include: a coated element and an optoelectronic device on the coated element. The coated element can include a thermoplastic substrate and a protective weathering layer. The thermoplastic substrate can include a bisphenol-A polycarbonate homopolymer and a polycarbonate copolymer, and wherein the polycarbonate copolymer is selected from a copolymer of tetrabromobisphenol A carbonate and BPA carbonate; a copolymer of 2-phenyl-3,3-bis(4-hydroxyphenyl)phthalimidine carbonate and BPA carbonate; a copolymer of 4,4?-(1-phenylethylidene) biphenol carbonate and BPA carbonate; a copolymer of 4,4?-(1-methylethylidene) bis[2,6-dimethyl-phenol]carbonate and BPA carbonate; and combinations comprising at least one of the foregoing. The protective weathering layer can include resorcinol polyarylate and polycarbonate.Type: GrantFiled: March 30, 2012Date of Patent: September 3, 2013Assignee: Sabic Innovative Plastics IP B.V.Inventors: Jian Zhou, James Edward Pickett, Shreyas Chakravarti
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Patent number: 8519092Abstract: A polymer compound comprising at least one repeating unit selected from the group of repeating units shown by formula (1) or formula (2), wherein Ar1 to Ar4 represent an arylene group etc.; E1, E2, and E3 represent an aryl group (A) having three or more substituents, or a heterocyclic group (B) having one or more substituents, and the total number of substituents and hetero atoms of the heterocyclic ring is three or more; a and b represent 0 or 1, and 0<=a+b<=1, wherein Ar5 to Ar10 and Ar11 represent an arylene group etc.; E4 to E9 represent an aryl group or a monovalent heterocyclic group; l, m and n represent 0 to 2; o and p represent 0 or 1, and l+m+n+o+p is 2 or more.Type: GrantFiled: July 31, 2012Date of Patent: August 27, 2013Assignee: Sumitomo Chemical Company, LimitedInventors: Makoto Kitano, Yoshiaki Tsubata, Chizu Sekine, Jun Oguma, Katsumi Agata, Akihiro Ono, Akiko Nakazono
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Patent number: 8492007Abstract: A metal complex which has a metal complex structure showing light emission from triplet excited state, and has a monovalent group derived from carbazole, and a light-emitting device using said metal complex.Type: GrantFiled: May 26, 2011Date of Patent: July 23, 2013Assignee: Sumitomo Chemical CompanyInventors: Satoshi Kobayashi, Shuji Doi, Satoshi Mikami
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Patent number: 8470960Abstract: There is provided an electroactive material having Formula I wherein: Q is the same or different at each occurrence and can be O, S, Se, Te, NR, SO, SO2, or SiR3; R is the same or different at each occurrence and can be hydrogen, alkyl, aryl, alkenyl, or alkynyl; and R1 through R6 are the same or different and can be hydrogen, alkyl, aryl, halogen, hydroxyl, aryloxy, alkoxy, alkenyl, alkynyl, amino, alkylthio, phosphino, silyl, —COR, —COOR, —PO3R2, —OPO3R2, or CN.Type: GrantFiled: December 2, 2011Date of Patent: June 25, 2013Assignee: E I du Pont de Nemours and CompanyInventors: Hong Meng, Fangping Sun
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Patent number: 8426038Abstract: Organic electroluminescence devices including phosphorescent polymer compounds having high light-emitting efficiency and long luminescent life. These phosphorescent polymer compounds include a structural unit that is derived from a compound of Formula (1) below as a side-chain thereof. In Formula (1), L1 and L2 are two different kinds of ligands, and are selected from Formulae (a1) to (a6) and (b1) to (b6), respectively, as defined in the specification.Type: GrantFiled: September 10, 2008Date of Patent: April 23, 2013Assignee: Showa Denko K.K.Inventor: Yoshiaki Takahashi
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Patent number: 8420232Abstract: Disclosed are Binaphthyl-Arylamine Polymers having Formula I: In the Formula: Ar1 is an arylene; Ar2 is an aryl group; Ar3 is an arylene; Binap is a binaphthyl moiety; M is a conjugated moiety; and x, y and z are mole fractions such that x+y+z=1.0, with the proviso that x and y are not zero.Type: GrantFiled: December 3, 2009Date of Patent: April 16, 2013Assignee: E I du Pont de Nemours and CompanyInventors: Kyung-Ho Park, Nora Sabina Radu
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Patent number: 8383504Abstract: An integrated circuit and a method of formation provide a contact area formed at an angled end of at least one linearly extending conductive line. In an embodiment, conductive lines with contact landing pads are formed by patterning lines in a mask material, cutting at least one of the material lines to form an angle relative to the extending direction of the material lines, forming extensions from the angled end faces of the mask material, and patterning an underlying conductor by etching using said material lines and extension as a mask. In another embodiment, at least one conductive line is cut at an angle relative to the extending direction of the conductive line to produce an angled end face, and an electrical contact landing pad is formed in contact with the angled end face.Type: GrantFiled: September 19, 2011Date of Patent: February 26, 2013Assignee: Micron Technology, Inc.Inventors: Gurtej Sandhu, Scott Sills
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Patent number: 8289677Abstract: The present invention provides a conductive polymer suspension for providing a conductive polymer material having a high conductivity and a method for producing the same, and in particular, a solid electrolytic capacitor having a low ESR and a method for producing the same. The conductive polymer suspension is produced by: synthesizing a conductive polymer by chemical oxidative polymerization of a monomer giving the conductive polymer by using an oxidant in a solvent containing a dopant consisting of a low-molecular organic acid or a salt thereof; purifying the conductive polymer; and mixing the purified conductive polymer and an oxidant in an aqueous solvent containing a polyacid component.Type: GrantFiled: July 28, 2009Date of Patent: October 16, 2012Assignee: NEC Tokin CorporationInventors: Ryuta Kobayakawa, Tomoki Nobuta, Naoki Takahashi, Yasuhisa Sugawara, Satoshi Suzuki, Toshihiko Nishiyama
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Patent number: 8279582Abstract: The present invention provides a conductive polymer suspension for providing a conductive polymer material having a high conductivity and a method for producing the same, and in particular, a solid electrolytic capacitor having a low ESR and a method for producing the same. The conductive polymer suspension can be is produced by: synthesizing a conductive polymer by chemical oxidative polymerization of a monomer giving the conductive polymer by using an oxidant in an aqueous solvent containing a dopant consisting of a low-molecular organic acid or a salt thereof, or a polyacid having a weight average molecular weight of less than 2,000 or a salt thereof.Type: GrantFiled: July 28, 2009Date of Patent: October 2, 2012Assignee: NEC Tokin CorporationInventors: Tomoki Nobuta, Ryuta Kobayakawa, Naoki Takahashi, Yasuhisa Sugawara, Satoshi Suzuki, Toshihiko Nishiyama
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Patent number: 8263735Abstract: A polymer compound comprising at least one repeating unit selected from the group of repeating units shown by formula (1) or formula (2), wherein Ar1 to Ar4 represent an arylene group etc.; E1, E2, and E3 represent an aryl group (A) having three or more substituents, or a heterocyclic group (B) having one or more substituents, and the total number of substituents and hetero atoms of the heterocyclic ring is three or more; a and b represent 0 or 1, and 0<=a+b<=1, wherein Ar5 to Ar10 and Ar11 represent an arylene group etc.; E4 to E9 represent an aryl group or a monovalent heterocyclic group; l, m and n represent 0 to 2; o and p represent 0 or 1, and l+m+n+o+p is 2 or more.Type: GrantFiled: February 3, 2010Date of Patent: September 11, 2012Assignee: Sumitomo Chemical Company, LimitedInventors: Makoto Kitano, Yoshiaki Tsubata, Chizu Sekine, Jun Oguma, Katsumi Agata, Akihiro Ono, Akiko Nakazono
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Patent number: 8173270Abstract: A conducting polymer, the conducting polymer composition further including an ionomer, and an organic optoelectronic device including the conducting polymer or the composition are provided. The conducting polymer according to the embodiments of the present invention is a self-doped conducting polymer in which conducting polymer chains are grafted in a polyacid. The conducting polymer composition to the present invention is manufactured by blending the self-doped conducting polymer with an ionomer having a physical cross-linking property thereto, and thus they are homogeneously dissolved in water or organic solvents. The conducting polymer and the composition have a good film-forming property and can be easily blended with other organic polymers, and conductivity and a work function thereof is easily controlled according to the content of the ionomer. Also, optoelectronic devices including the conducting polymer composition have high efficiency and a long lifetime.Type: GrantFiled: January 9, 2007Date of Patent: May 8, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Tae-Woo Lee, Jong-Jin Park, Joon-Yong Park, Mu-Gyeom Kim, Dal-Ho Huh
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Patent number: 8154016Abstract: Disclosed herein is a composition containing hetero arylene or arylene showing a p-type semiconductor property in addition to thiophene showing a p-type semiconductor property and thiazole rings showing a n-type semiconductor property at a polymer main chain, an organic semiconductor polymer containing the composition, an organic active layer containing the organic semiconductor polymer, an organic thin film transistor (OTFT) containing the organic active layer, an electronic device containing the OTFT, and a method of preparing the same. The composition of example embodiments, which is used in an organic semiconductor polymer and contains thiazole rings, may exhibit increased solubility to an organic solvent, coplanarity, processability and an improved thin film property.Type: GrantFiled: May 9, 2011Date of Patent: April 10, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Bang Lin Lee, Eun Kyung Lee, Joo Young Kim, Kook Min Han
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Patent number: 8154013Abstract: A thin-film transistor comprises a semiconducting layer comprising a semiconducting material selected from Formula (I) or (II): wherein X, R1, R2, R3, R4, R5 a, b, and n are as described herein. Semiconducting compositions of Formula (I) or (II) are also described.Type: GrantFiled: November 19, 2008Date of Patent: April 10, 2012Assignee: Xerox CorporationInventors: Yuning Li, Yiliang Wu, Ping Liu, Paul F. Smith
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Patent number: 8147986Abstract: The invention provides an organic electroluminescent device having at least an organic compound layer provided between a pair of electrodes. The organic electroluminescent device has at least a polymer comprising a metal complex containing a tri- or higher-dentate ligand in the polymer molecule. The metal complex preferably contains a tetra- or higher-dentate ligand in the polymer molecule. At least one of the ligands is preferably a chain. The metal complex preferably contains a transition metal ion or a rare earth metal ion. The metal complex preferably contains a nitrogen atom in its complex structure. Further, the polymer preferably contains the metal complex in its main chain or its side chain.Type: GrantFiled: September 29, 2006Date of Patent: April 3, 2012Assignee: Fujifilm CorporationInventor: Hisashi Okada
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Patent number: 8142908Abstract: A polymer light emitting material which contains a polymer compound comprising a repeating unit of the following formula (1) or (2) and having a polystyrene-reduced number-average molecular weight of 103 to 108, and which exhibits light emission from the triplet excited state. [wherein Ar1 and Ar2 each independently represent a trivalent aromatic hydrocarbon group or a trivalent heterocyclic group. X1 and X2 each independently represent O, S, C(?O), S(?O), SO2, C(R1)(R2), Si(R3)(R4), N(R5), B(R6), P(R7) or P(?O)(R8). X1 and Ar2 bond to adjacent carbon atoms in the aromatic ring of Ar1; and X2 and Ar1 bond to adjacent carbon atoms in the aromatic ring of Ar2]; [wherein Ar3 and Ar4 each independently represent a trivalent aromatic hydrocarbon group or a trivalent heterocyclic group. X3 and X4 each independently represent N, B, P, C(R9) or Si(R10). X3 and Ar4 bond to adjacent carbon atoms in the aromatic ring of Ar3; and X4 and Ar3 bond to adjacent carbon atoms in the aromatic ring of Ar4].Type: GrantFiled: September 28, 2004Date of Patent: March 27, 2012Assignee: Sumitomo Chemical Company, LimitedInventors: Tomoya Nakatani, Chizu Sekine, Satoshi Mikami, Satoshi Kobayashi
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Patent number: 8137822Abstract: The invention relates to a method for producing polyfluoroanthenes containing repeat units of general formula (I), said method consisting of the following steps: a) a monomer fluoroanthene derivative of formula IIa is produced; b) optionally the monomer fluoroanthene derivative of formula IIa is converted into another monomer fluoroanthene derivative of formula IIb; and c) the monomer fluoroanthene derivative of formula IIa or IIb is polymerised, optionally together with at least one other comonomer. The invention also relates to polyfluoroanthenes that can be produced according to the inventive method, films, a light-emitting layer containing or consisting of at least one inventive polyfluoroanthene, OLEDs containing at least one inventive polyfluoroanthene, OLEDs containing an inventive light-emitting layer, a device containing an inventive OLED, and the use of the inventive polyfluoroanthene emitter substances in OLEDs.Type: GrantFiled: April 3, 2006Date of Patent: March 20, 2012Assignee: BASF AktiengesellschaftInventors: Florian Doetz, Simon Nord, Horst Weiss, Joachim Roesch
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Patent number: 8084935Abstract: There are provided an organic electroluminescent (EL) element, which can realize the provision of a large screen by the formation of a film through coating in a simple and highly efficient manner, and a display panel using the same. The organic EL element comprises: a pair of opposed electrodes, a cathode and an anode; and an organic compound layer having a single-layer or multi-layer structure held between the pair of opposed electrodes, at least one layer constituting the organic compound layer being a layer containing at least one polymer comprising at least one monomer unit of a specific compound.Type: GrantFiled: November 9, 2004Date of Patent: December 27, 2011Assignee: Dai Nippon Printing Co., Ltd.Inventors: Satoshi Suzuki, Masato Okada, Yoshinobu Kashibuchi, Tohru Kobayashi
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Publication number: 20110278560Abstract: A fluorene-based copolymer of formula I includes a monomeric unit that includes a fluorene group and at least one steric hindering chemical group to provide sufficient steric interaction such that the spatial conformation of the fluorene-based copolymer is substantially non-planar. The fluorene-based copolymer exhibits UV light emission.Type: ApplicationFiled: January 30, 2009Publication date: November 17, 2011Inventors: Zhang-Lin Zhou, Chung Ching Yang
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Patent number: 8049406Abstract: A light-emissive device comprising a light-emissive material provided between first and second electrodes such that charge carriers can move between the first and second electrodes and the light-emissive material, wherein the device includes a layer of a polymer blend provided between the first and second electrodes, phase separation of the polymers in the polymer blend having been induced in at least a portion of the polymer blend so as to control the propagation of light emitted by the light-emissive material in a predetermined direction.Type: GrantFiled: April 12, 2002Date of Patent: November 1, 2011Assignee: Cambridge University Technical Services LimitedInventors: J. Devin Mackenzie, Ana Claudia Arias, Richard Henry Friend, Wilhelm Huck
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Patent number: 8012603Abstract: High-molecular compounds comprising repeating units represented by the general formula (1) or (2) and having number-average molecular weights of 103 to 108 in terms of polystyrene: (1) [wherein Ar1 and Ar2 are each independently a trivalent aromatic hydrocarbon group or a trivalent heterocyclic group; and X1 and X2 are each independently O, S, C(?O), S(?O), SO2, C(R1)(R2), Si(R3)(R4), N(R5), B(R6), P(R7), or P(?O)(R8), with the provisos that X1 and X2 must not be the same and that X1 and Ar2 are bonded respectively to the adjacent carbon atoms constituting the aromatic ring of Ar1, and X2 and Ar1 are bonded respectively to the adjacent carbon atoms constituting the aromatic ring of Ar2] (2) [wherein Ar3 and Ar4 are each independently a trivalent aromatic hydrocarbon group or a trivalent heterocyclic group; and X3 and X4 are each independently N, B, P, C(R9), or Si(R10), with the provisos that X3 and X4 must not be the same and that X3 and Ar4 are bonded respectively to the adjacent carbon atoms constituting tType: GrantFiled: October 3, 2003Date of Patent: September 6, 2011Assignee: Sumitomo Chemical Company, LimitedInventors: Shuji Doi, Satoshi Kobayashi, Takanobu Noguchi
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Patent number: 7982212Abstract: A copolymer comprising a repeating unit of the following formula (1) and a repeating unit of the following formula (2): (wherein, a ring A and ring B represent each independently an aromatic ring optionally having a substituent. X is —O—, —S—, —S(?O)—, —S(?O)2—, —Si(R1)2—Si(R1)2—, —Si(R1)2—, —B(R1)—, —P(R1)—, —P(?O)(R1)—, —O—C(R1)2— or —N?C(R1)—, and R1 represents a substituent. When there are two or more R1s in the same formula, they may be the same or different.) (wherein, Y is —O—, —S— or —C(?O)—. Ar1 represents an aryl group optionally having a substituent or a monovalent heterocyclic group optionally having a substituent, and there is no substituent connected to atoms of the ring of Ar1, the atoms being adjacent an atom of Ar1 connected to a nitrogen atom in the formula. R2 represents a substituent, and n represents an integer of from 0 to 3. When there are two or more R2s in the formula, they may be the same or different.).Type: GrantFiled: October 3, 2006Date of Patent: July 19, 2011Assignee: Sumitomo Chemical Company, LimitedInventors: Tomoyuki Suzuki, Takanobu Noguchi
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Patent number: 7960500Abstract: Provided are a blue electroluminescent (EL) polymer, a method of manufacturing the same, and an organic EL device including the polymer as a light emitting component, wherein an acridine derivative which can transport holes is introduced into a polymer backbone. The polymer is represented by Formula 1: The blue EL polymer has high color purity and color stability.Type: GrantFiled: October 16, 2006Date of Patent: June 14, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventors: Sang-Hoon Park, Yu-Jin Kim, Jong-Jin Park, Jhun-Mo Son, Young-Mok Son
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Patent number: 7939818Abstract: The present invention relates to polymers comprising a repeating unit of the formula (I) 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 are observed, if the polymers according to the invention are used in polymer light emitting diodes (PLEDs).Type: GrantFiled: October 18, 2004Date of Patent: May 10, 2011Assignee: BASF SEInventors: Ingo Heim, Bernd Tieke, Roman Lenz, Beat Schmidhalter, Aravinda Raman Rabindranath, Mathias Düggeli
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Patent number: 7928433Abstract: An electronic device comprises a semiconducting polymer of Formula (I): wherein X is independently selected from S, Se, O, and NR, wherein R is independently selected from hydrogen, alkyl, substituted alkyl, aryl, substituted aryl, heteroaryl, and —CN; Ar is independently a conjugated divalent moiety; a is an integer from 1 to about 10; and n is an integer from 2 to about 5,000. The electronic device may be an organic thin film transistor.Type: GrantFiled: August 18, 2008Date of Patent: April 19, 2011Assignee: Xerox CorporationInventor: Yuning Li
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Patent number: 7928181Abstract: A semiconducting polymer of Formula (I): wherein X is independently selected from S, Se, O, and NR, wherein R is independently selected from hydrogen, alkyl, substituted alkyl, aryl, substituted aryl, heteroaryl, and —CN; Ar is independently a conjugated divalent moiety; a is an integer from 1 to about 10; and n is an integer from 2 to about 5,000. The resulting semiconducting polymer is suitable for use in organic thin film transistors.Type: GrantFiled: August 18, 2008Date of Patent: April 19, 2011Assignee: Xerox CorporationInventor: Yuning Li
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Publication number: 20110033972Abstract: An apparatus includes a first solid electrode on a substrate, a polyelectrolyte layer over a part of the first solid electrode, a second solid electrode on a portion of the polyelectrolyte layer, and an anchoring layer on the part of the first solid electrode. The polyelectrolyte layer is either chemically bonded to the anchoring layer or has a thickness of less than about 20 nanometers.Type: ApplicationFiled: October 20, 2010Publication date: February 10, 2011Applicant: Lucent Technologies Inc.Inventors: Oleksandr Sydorenko, Nikolai Zhitenev
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Patent number: 7871714Abstract: A novel electroluminescent polymer is represented by the following formula. A film of the polymer represented by the following formula can be formed by electrolytic polymerization, and farther emits light in a different color by an electric field when a substituent thereof is changed. Therefore, a light-emitting device that is capable of multicolor displaying can be easily obtained.Type: GrantFiled: December 19, 2008Date of Patent: January 18, 2011Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Takako Takasu, Satoshi Seo, Ryoji Nomura
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Patent number: 7816669Abstract: A light emitting system includes a polymer mixture, and a plurality of nanocrystals occupying a predetermined portion of the polymer mixture. The polymer mixture includes at least two polymers that phase-segregate. Method(s) for controlling nanocrystal distribution within the light emitting device are also disclosed.Type: GrantFiled: October 13, 2006Date of Patent: October 19, 2010Assignee: Hewlett-Packard Development Company, L.P.Inventor: Krzysztof Nauka
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Patent number: 7800102Abstract: The organic TFT includes: a gate electrode; source and drain electrodes insulated from the gate electrode; an organic semiconductor layer insulated from the gate electrode and electrically connected to the source and drain electrodes; an insulating layer insulating the gate electrode from the source and drain electrodes and the organic semiconductor layer; and a self-assembly monolayer (SAM) included between the insulating layer and the organic semiconductor layer. A compound forming the SAM has at least one terminal group selected from the group consisting of an unsubstituted or substituted C6-C30 aryl group and an unsubstituted or substituted C2-C30 heteroaryl group. The organic TFT is formed by forming the above-described layers and forming the SAM on the insulating layer before the organic semiconductor layer and source and drain electrodes are formed.Type: GrantFiled: October 18, 2006Date of Patent: September 21, 2010Assignee: Samsung Mobile Display Co., Ltd.Inventors: Jin-Seong Park, Taek Ahn, Min-Chul Suh
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Patent number: 7772360Abstract: A polymer compound comprising at least one repeating unit selected from the group of repeating units shown by formula (1) or formula (2), wherein Ar1 to Ar4 represent an arylene group etc.; E1, E2, and E3 represent an aryl group (A) having three or more substituents, or a heterocyclic group (B) having one or more substituents, and the total number of substituents and hetero atoms of the heterocyclic ring is three or more; a and b represent 0 or 1, and 0<=a+b<=1, wherein Ar5 to Ar10 and Ar11 represent an arylene group etc.; E4 to E9 represent an aryl group or a monovalent heterocyclic group; l, m and n represent 0 to 2; o and p represent 0 or 1, and l+m+n+o+p is 2 or more.Type: GrantFiled: August 26, 2003Date of Patent: August 10, 2010Assignee: Sumitomo Chemical Company, LimitedInventors: Makoto Kitano, Yoshiaki Tsubata, Chizu Sekine, Jun Oguma, Katsumi Agata, Akihiro Ono, Akiko Nakazono
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Publication number: 20100176376Abstract: A copolymer comprising a repeating unit of the following formula (1) and a repeating unit of the following formula (2): (wherein, a ring A and ring B represent each independently an aromatic ring optionally having a substituent. X is —O—, —S—, —S(?O)—, —S(?O)2—, —Si(R1)2—Si(R1)2—, —Si(R1)2—, —, —B(R1)—, —P(R1)—, —P(?O)(R1)—, —O—C(R1)2— or —N?C(R1)—, and R1 represents a substituent. When there are two or more R1s in the same formula, they may be the same or different.) (wherein, Y is —O—, —S— or —C(?O)—. Ar1 represents an aryl group optionally having a substituent or a monovalent heterocyclic group optionally having a substituent, and there is no substituent connected to atoms of the ring of Ar1, the atoms being adjacent an atom of Ar1 connected to a nitrogen atom in the formula. R3 represents a substituent, and n represents an integer of from 0 to 3. When there are two or more R2s in the formula, they may be the same or different.).Type: ApplicationFiled: October 3, 2006Publication date: July 15, 2010Applicant: SUMITOMO CHEMICAL COMPANY , LIMITEDInventors: Tomoyuki Suzuki, Takanobu Noguchi
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Patent number: 7741635Abstract: Provided are a composition for an organic polymer gate insulating layer and an Organic Thin Film Transistor (OTFT) using the same. The composition includes an insulating organic polymer including at least one selected from the group consisting of polymethylmethacrylate (PMMA), polyvinylalcohol (PVA), polyvinylpyrrolidone (PVP), poly(vinyl phenol) (PVPh) and a copolymer thereof, a crosslinking monomer having two or more double bonds, and a photoinitiator. The OTFT includes a gate insulating layer of a semi-interpenetrating polymer network formed of the composition. The composition for a photoreactive organic polymer gate insulating layer has a photochemical characteristic that enables micropatterning, and can be formed into a layer having excellent chemical resistance, thermal resistance, surface characteristics and electrical characteristics.Type: GrantFiled: July 30, 2008Date of Patent: June 22, 2010Assignee: Electronics and Telecommunications Research InstituteInventors: Seong Hyun Kim, Sang Chul Lim, Gi Heon Kim, Ji Ho Youk, Tae Gon Kim
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Patent number: 7737435Abstract: Example embodiments pertain to an organic semiconductor composition, in which low-molecular-weight oligomer compounds are distributed in the spaces of a polymer compound so that the free spaces of the organic semiconductor polymer compound are filled with the low-molecular-weight oligomer compounds upon the formation of an organic semiconductor thin film, thereby increasing ?-? stacking effects, and to an organic semiconductor thin film using the same and an organic electronic device employing the thin film. Using the organic semiconductor composition according to example embodiments, a semiconductor thin film and an organic electronic device having improved electrical properties may be manufactured.Type: GrantFiled: February 16, 2007Date of Patent: June 15, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Jung Seok Hahn, Tae-Sang Kim, Bang-Lin Lee, Sang-Yoon Lee, Eun Kyung Lee
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Patent number: 7701129Abstract: A polymeric fluorescent substance exhibiting fluorescence in the solid state, having a polystyrene reduced number-average molecular weight of 1×103 to 1×108, and comprising one or more repeating units of formula (1) and one or more repeating units of formula (8), —Ar1—(CR1?CR2)n—??(1) —Ar2—(CR36?CR37)n—??(8) wherein Ar1 represents a specific arylene or a divalent heterocyclic compound group, and Ar2 represent an arylene or a divalent heterocyclic compound group other than Ar1. By using the polymeric fluorescent substance, a high performance polymer LED can easily be obtained.Type: GrantFiled: November 29, 2001Date of Patent: April 20, 2010Assignee: Sumitomo Chemical Company, LimitedInventors: Shuji Doi, Yoshiaki Tsubata, Takahiro Ueoka, Shigeru Sasaki, Takanobu Noguchi
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Patent number: 7691493Abstract: A main chain-type or side chain-type polymeric compound having a structure wherein at least one metal complex segment having a plurality ligands is introduced into a main chain or a side chain is provided. In the case where the polymeric compound is the main chain-type polymeric compound, the metal complex segment has at least one ligand constituting a polymer main chain of the polymeric compound and having a carbon atom and oxygen atom bonded to a metal atom. On the other hand, in the case where the polymeric compound is the side chain-type polymeric compound, a polymer main chain thereof has a conjugated structure, preferably a conjugated double bond. A ligand for the polymeric compound includes a chain or cyclic ligand, of which a bidentate ligand having an organic cyclic structure is preferred, and the ligand has at least one carbon atom or oxygen atom and is bonded to a center metal atom, preferably iridium, via the carbon atom or oxygen atom.Type: GrantFiled: May 9, 2005Date of Patent: April 6, 2010Assignee: Canon Kabushiki KaishaInventors: Jun Kamatani, Shinjiro Okada, Akira Tsuboyama, Takao Takiguchi, Satoshi Igawa
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Patent number: 7671272Abstract: Disclosed herein is a material, and a solid electrolyte and a photovoltaic device using the same. When the material is used as a hole transporting layer material of the photovoltaic device, the reduction of an electrolytic layer resulting from leakage or volatilization of an electrolytic solution is prevented, thus the battery characteristics, long-term stability, and reliability of the photovoltaic device are improved.Type: GrantFiled: June 6, 2006Date of Patent: March 2, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Byung Hee Sohn, Sang Cheol Park, Jung Gyu Nam
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Publication number: 20090218564Abstract: Disclosed herein are an alternating copolymer of phenylene vinylene and biarylene vinylene, a preparation method thereof, and an organic thin film transistor including the same. The organic thin film transistor maintains low off-state leakage current and realizes a high on/off current ratio and high charge mobility because the organic active layer thereof is formed of an alternating copolymer of phenylene vinylene and biarylene vinylene.Type: ApplicationFiled: April 18, 2008Publication date: September 3, 2009Inventors: Jong II Park, Kook Min Han, Sang Yoon Lee, Eun Jeong Jeong
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Patent number: 7569287Abstract: A blue electroluminescent polymer having a phenoxazine-based unit in a polyarylene backbone and an organic electroluminescent device using the polymer. The organic electroluminescent device has improved luminous efficiency and color purity.Type: GrantFiled: January 23, 2006Date of Patent: August 4, 2009Assignee: Samsung Mobile Display Co., Ltd.Inventors: Jhun-Mo Son, Tae-Yong Noh, Sang-Hoon Park, Joon-Yong Park, Tae-Woo Lee, Yu-Jin Kim, In-Nam Kang
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Patent number: 7550207Abstract: A blue-emitting polymer in which a bisindenospirofluorene unit is incorporated in a polyarylene polymer backbone, and an organic EL device using the blue-emitting polymer as a light-emitting material. One example of the blue-emitting polymer may be represented by Formula 1: where Ar, R1 through R14, X1 and X2, M and n are defined in the specification. The organic EL device exhibits excellent emission efficiency, low turn-on voltage, good color stability and color purity.Type: GrantFiled: January 5, 2006Date of Patent: June 23, 2009Assignee: Samsung Mobile Display Co., Ltd.Inventors: Byung-Hee Sohn, Woon-Jung Paek, In-Nam Kang
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Patent number: 7524567Abstract: A spirofluorene-based polymer which contains a spirofluorene structure as a basic unit and which is end-capped with functional moieties substituted by fluorine, and an organic electroluminescent device using an organic layer using the spirofluorene-based polymer. The organic electroluminescent device has improved efficiency, reduced driving voltage, and excellent thermal, optical and electrical stability.Type: GrantFiled: January 25, 2005Date of Patent: April 28, 2009Assignee: Samsung Mobile Display Co., Ltd.Inventors: Sang-Hoon Park, Tae-Yong Noh, Sang-Yeol Kim, Lyong-Sun Pu, Soo-Hyoung Lee, In-Nam Kang, Jhun-Mo Son
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Patent number: 7524922Abstract: Disclosed are novel poly(benzodithiophenes), their use as semiconductors or charge transport materials in optical, electro-optical or electronic devices, for example, liquid crystal displays, optical films, organic field effect transistors (FET or OFET) for thin film transistor liquid crystal displays and integrated circuit devices such as RFID tags, electroluminescent devices in flat panel displays, and in photovoltaic and sensor devices, and to a field effect transistor, light emitting device or ID tag.Type: GrantFiled: October 14, 2004Date of Patent: April 28, 2009Assignee: Merck Patent Gesellschaft Mit Beschrankter HaftungInventors: Martin Heeney, Clare Bailey, Steven Tierney, Weimin Zhang, Iain McCulloch
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Patent number: 7525129Abstract: It is an object of the present invention to provide an organic light-emitting display of high light-emitting efficiency. The organic light-emitting element comprising a board, upper electrode, lower electrode, a plurality of light-emitting units placed between the upper and lower electrodes, and a charge-generating layer placed between a plurality of the light-emitting units, wherein one of the light-emitting units has a layer for emitting monochromatic light and one of the light-emitting units has a layer for emitting polychromatic light, the former unit having an equivalent or lower light-emitting efficiency than the latter unit.Type: GrantFiled: March 14, 2005Date of Patent: April 28, 2009Assignee: Hitachi Displays, Ltd.Inventors: Kazuhito Masuda, Shingo Ishihara, Sukekazu Aratani, Masaya Adachi