Organic Polymer Or Oligomer (epo) Patents (Class 257/E51.027)
  • Patent number: 9029252
    Abstract: A nanostructure, an optical device including the nanostructure, and methods of manufacturing the nanostructure and the optical device. A method of manufacturing a nanostructure may include forming a block copolymer template layer and a precursor pattern of metal coupled to the block copolymer template layer on a graphene layer, and forming a metal nanopattern on the graphene layer by removing the block copolymer template layer and reducing the precursor pattern.
    Type: Grant
    Filed: February 12, 2014
    Date of Patent: May 12, 2015
    Assignees: Samsung Electronics Co., Ltd., Unist Academy—Industry Research Corporation
    Inventors: Un-jeong Kim, Jin-eun Kim, Young-geun Roh, Soo-jin Park, Yeon-sang Park, Seung-min Yoo, Chang-won Lee, Jae-soong Lee, Sang-mo Cheon
  • Patent number: 9006721
    Abstract: An organic light-emitting diode includes a substrate, a first electrode on the substrate, a second electrode facing the first electrode, an emission layer interposed between the first electrode and the second electrode, a hole transportation region between the first electrode and the emission layer, and an electron transportation region interposed between the emission layer and the second electrode. The hole transportation region includes a first compound represented by Formula 1 below, and at least one of the hole transportation region and the emission layer includes a second compound represented by Formula 100 below: wherein Ar101, Ar102, xa, xb, R101-R119, Ar50, Ar60, R51-R60 and p are further defined.
    Type: Grant
    Filed: July 16, 2013
    Date of Patent: April 14, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji-Youn Lee, Yoon-Hyun Kwak, Bum-Woo Park, Sun-Young Lee, Jong-Won Choi, Wha-Il Choi, So-Yeon Kim
  • Patent number: 9000423
    Abstract: Methods and compositions to improve the performance of single-component polymer FETs is provided comprising processing a conjugated polymer in the presence of a processing additive. Also provided is a FET device fabricated with a processing additive. Such devices have increased saturation hole and/or electron mobility compared to a control FETs.
    Type: Grant
    Filed: April 24, 2013
    Date of Patent: April 7, 2015
    Assignee: The Regents of the University of California
    Inventors: Guillermo C. Bazan, Thuc-Quyen Nguyen, Lei Ying, Peter Zalar, Yuan Zhang
  • Patent number: 8993124
    Abstract: A polymer compound including: the repeating unit shown in the following formula (I) (wherein: Ar1 represents an arylene group, a divalent heterocyclic group, or a divalent aromatic amine; J1 and J2 each represent a direct bond, an alkylene group, or a phenylene group, and X1 represents an oxygen atom or a sulfur atom; i is an integer from 0 to 3; j is 0 or 1; m is 1 or 2; and R1 represents a hydrogen atom, an alkyl group, an alkoxy group, or the like) and the repeating unit shown in the following formula (II) (wherein: Ar2 represents a fluorene-diyl group; J3 and J4 each represent a direct bond, an alkylene group, or a phenylene group; X2 represents an oxygen atom or a sulfur atom; k is an integer from 0 to 3; l is 0 or 1; and n is 1 or 2).
    Type: Grant
    Filed: July 29, 2009
    Date of Patent: March 31, 2015
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tomoya Nakatani, Keiko Kawaguchi
  • Patent number: 8987709
    Abstract: A polymer and an organic light-emitting device including the polymer. An example of the polymer is wherein in Formula 1, Ar1 is each independently represented by -(Q1)n-, and Q1 is selected from the group consisting of a substituted or unsubstituted C5-C30 arylene group, a substituted or unsubstituted C4-C30 heteroarylene group, a substituted or unsubstituted C2-C30 alkenylene group, and a group represented by —N(Z1)—, and n is an integer from 1 to 10, and n groups of Q1 in -(Q1)n- is identical to or different from each other, and X1 and X2 are each independently selected from the group consisting of —O—, —S—, —N(Z2)—, and —C(Z3)(Z4)—.
    Type: Grant
    Filed: September 30, 2010
    Date of Patent: March 24, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee-Yeon Kim, Seung-Gak Yang, Jae-Yong Lee, Jeoung-In Yi, Yoon-Hyun Kwak, Jong-Hyuk Lee
  • Patent number: 8974917
    Abstract: A method of forming an organic light emitting diode comprising the steps of: providing a substrate comprising a first electrode for injection of charge carriers of a first type; forming a charge transporting layer by depositing over the substrate a charge transporting material for transporting charge carriers of the first type, the charge transporting material being soluble in a solvent; treating the charge transporting layer to render it insoluble in the solvent; forming an electroluminescent layer by depositing onto the charge transporting layer a composition comprising the solvent, a phosphorescent material, and a host material; and depositing over the electroluminescent layer a second electrode for injection of charge carriers of a second type.
    Type: Grant
    Filed: December 20, 2004
    Date of Patent: March 10, 2015
    Assignee: Cambridge Display Technology Limited
    Inventors: Nalinkumar L. Patel, Natasha M. Conway, Mark Leadbeater, Ilaria Grizzi
  • Patent number: 8951646
    Abstract: A layered structure including a first electrode and a second electrode, a light-emitting layer or a charge separation layer between the first electrode and the second electrode, and a layer containing a conjugated polymer compound between the light-emitting layer or the charge separation layer and the first electrode, wherein the conjugated polymer compound contains a repeating unit selected from the group consisting of a repeating unit of formula (1).
    Type: Grant
    Filed: March 5, 2009
    Date of Patent: February 10, 2015
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Masanobu Tanaka, Kenta Tanaka, Shohgo Yamauchi, Hideyuki Higashimura
  • Patent number: 8895675
    Abstract: A block copolymer comprising two or more of blocks of the following formula (1), wherein at least two of a plurality of m's present in the copolymer represent a number of 5 or more, Ar's in adjacent two blocks in the copolymer are mutually different, and the copolymer has two Ar's when composed of 2 blocks of the formula (1), has two or more Ar's when composed of 3 blocks of the formula (1) and has four or more Ar's when composed of 4 or more blocks of the formula (1): (in the formula (1), Ar represents a conjugative divalent group and represents the same divalent group in an identical block, and m represents a number of 1 or more showing the number average polymerization degree of Ar present in one block).
    Type: Grant
    Filed: December 25, 2006
    Date of Patent: November 25, 2014
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Daisuke Fukushima, Hideyuki Higashimura, Akihiko Okada, Kazuei Ohuchi, Makoto Anryu
  • Patent number: 8890123
    Abstract: A thin film transistor has a semiconducting layer comprising a polythiophene and carbon nanotubes. The semiconducting layer exhibits high mobility and high current on/off ratio.
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: November 18, 2014
    Assignee: Samsung Electronics Co. Ltd.
    Inventor: Yiliang Wu
  • Patent number: 8872164
    Abstract: An organic light-emitting element includes an anode, a functional layer, and a hole injection layer between the anode and the functional layer. The functional layer contains an organic material. The hole injection layer injects holes to the functional layer. The hole injection layer comprises tungsten oxide and includes an occupied energy level that is approximately 1.8 electron volts to approximately 3.6 electron volts lower than a lowest energy level of a valence band of the hole injection layer in terms of binding energy.
    Type: Grant
    Filed: November 17, 2011
    Date of Patent: October 28, 2014
    Assignee: Panasonic Corporation
    Inventors: Satoru Ohuchi, Yoshiaki Tsukamoto, Takahiro Komatsu, Kei Sakanoue
  • Patent number: 8865025
    Abstract: Use of certain materials in hole injection or hole transport layers can improve the operational lifetimes in organic electronic devices. Compositions comprising a doped conjugated polymer, doped with a redox dopant, including iodonium salt, can increase lifetimes. Inks can be formulated and cast as films in organic electronic devices including OLEDs, PHOLEDs, and OPVs. One embodiment provides a composition with a conjugated polymer doped with a redox dopant. Non-aqueous based inks can be formulated. Iodonium salts can be used.
    Type: Grant
    Filed: April 10, 2009
    Date of Patent: October 21, 2014
    Assignee: Solvay USA, Inc.
    Inventors: Venkataramanan Seshadri, Christopher T. Brown, Jessica Benson-Smith, Edward S. Yang
  • Patent number: 8865320
    Abstract: A light-emitting device including: a substrate; a light-emitting diode; and an optical resonance layer to resonate light emitted from the light-emitting diode. The optical resonance layer includes a first layer, including a polysilsesquioxane-based copolymer. A linking group connecting two different silicon (Si) atoms of the polysilsesquioxane-based copolymer can be —O—, or a substituted or unsubstituted C1-C30 alkylene group.
    Type: Grant
    Filed: January 22, 2008
    Date of Patent: October 21, 2014
    Assignees: Samsung Display Co., Ltd., Seoul National University Industry Foundation
    Inventors: Sun-Young Lee, Jong-Hyuk Lee, Young-Woo Song, Joon-Gu Lee, So-Young Lee, Do-Young Yoon
  • Patent number: 8859423
    Abstract: Embodiments of methods for fabricating polymer nanostructures and nanostructured electrodes are disclosed. Material layers are deposited onto polymer nanostructures to form nanostructured electrodes and devices including the nanostructured electrodes, such as photovoltaic cells, light-emitting diodes, and field-effect transistors. Embodiments of the disclosed methods are suitable for commercial-scale production of large-area nanostructured polymer scaffolds and large-area nanostructured electrodes.
    Type: Grant
    Filed: August 11, 2011
    Date of Patent: October 14, 2014
    Assignee: The Arizona Board of Regents on behalf of the University of Arizona
    Inventors: Jayan Thomas, Nasser N. Peyghambarian, Robert A. Norwood, Palash Gangopadhyay, Akram A. Khosroabadi
  • Patent number: 8853754
    Abstract: An image or light sensor chip package includes an image or light sensor chip having a non-photosensitive area and a photosensitive area surrounded by the non-photosensitive area. In the photosensitive area, there are light sensors, a layer of optical or color filter array over the light sensors and microlenses over the layer of optical or color filter array. In the non-photosensitive area, there are an adhesive polymer layer and multiple metal structures having a portion in the adhesive polymer layer. A transparent substrate is formed on a top surface of the adhesive polymer layer and over the microlenses. The image or light sensor chip package also includes wirebonded wires or a flexible substrate bonded with the metal structures of the image or light sensor chip.
    Type: Grant
    Filed: May 18, 2012
    Date of Patent: October 7, 2014
    Assignee: Qualcomm Incorporated
    Inventors: Mou-Shiung Lin, Jin-Yuan Lee
  • Patent number: 8853017
    Abstract: An organic thin film transistor is disclosed, including a substrate formed of an organic insulating layer, a first layer deposited on the substrate using a plating technique to be used for forming a source electrode and a drain electrode, a second layer of a metal material deposited covering the first layer using a further plating technique to be used for forming the source electrode and the drain electrode with the metal material capable of forming an ohmic contact with an organic semiconductor material lower than the first layer, and an organic semiconductor layer over a region between the source electrode and the drain electrode, which are each formed with the first layer and the second layer. Also disclosed is an electric device provided with the organic thin film transistor.
    Type: Grant
    Filed: July 28, 2009
    Date of Patent: October 7, 2014
    Assignee: Sony Corporation
    Inventors: Kazumasa Nomoto, Nobuhide Yoneya, Takahiro Ohe
  • Patent number: 8835909
    Abstract: Thin-film transistors are made using an organosilicate glass (OSG) as an insulator material. The organosilicate glasses may be SiO2-silicone hybrid materials deposited by plasma-enhanced chemical vapor deposition from siloxanes and oxygen. These hybrid materials may be employed as the gate dielectric, as a subbing layer, and/or as a back channel passivating layer. The transistors may be made in any conventional TFT geometry.
    Type: Grant
    Filed: July 30, 2009
    Date of Patent: September 16, 2014
    Assignee: The Trustees of Princeton University
    Inventors: Lin Han, Prashant Mandlik, Sigurd Wagner
  • Patent number: 8816363
    Abstract: A method of manufacturing an organic light-emitting element. A first layer is formed above a substrate, and exhibits hole injection properties. A bank material layer is formed above the first layer using a bank material. Banks are formed by patterning the bank material layer, and forming a resin film on a surface of the first layer by attaching a portion of the bank material layer to the first layer, the banks defining apertures corresponding to light-emitters, the resin material being the same as the bank material. A functional layer is formed by applying ink to the apertures that contacts the resin film. The ink contains an organic material. The functional layer includes an organic light-emitting layer. A second layer is formed above the functional layer and exhibits electron injection properties. The hole injection properties of the first layer are then degraded by applying electrical power to an element structure.
    Type: Grant
    Filed: January 30, 2012
    Date of Patent: August 26, 2014
    Assignee: Panasonic Corporation
    Inventors: Takashi Isobe, Kosuke Mishima, Kaori Akamatsu, Satoru Ohuchi
  • Patent number: 8816330
    Abstract: An organic composition for a semiconductor device includes a compound for an organic semiconductor device including a structural unit; and a metal-containing compound selected from a transition element-containing compound, a lanthanide-containing compound, and a combination thereof, which results in improved charge mobility due to a reduced grain boundary.
    Type: Grant
    Filed: June 22, 2011
    Date of Patent: August 26, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong Won Chung, Do-Hwan Kim, Bang Lin Lee, Jeong il Park, Yong Wan Jin, Sang Yoon Lee
  • Patent number: 8809839
    Abstract: An organic semiconductor polymer, a transistor including an organic semiconductor polymer and methods of fabricating the same are provided, the organic semiconductor polymer including an aromatic or heteroaromatic main chain and at least one of a fluoro or a perfluoroalkyl at a polymer terminal end.
    Type: Grant
    Filed: July 6, 2010
    Date of Patent: August 19, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Bang-Lin Lee, Do-Hwan Kim, Jeong-il Park, Ji-Youl Lee
  • Patent number: 8795849
    Abstract: A polymer, a luminescent material, and the likes are provided, wherein a film can be formed by a wet film-forming method, the film formed has a high stability, and is capable of being laminated with other layers by a wet film-forming method or another method, which are less decrease in charge transportation efficiency or luminescent efficiency, and attain an excellent driving stability. The polymer has a thermally dissociable and soluble group.
    Type: Grant
    Filed: August 6, 2009
    Date of Patent: August 5, 2014
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Toshiyuki Urano, Masayoshi Yabe, Koichiro Iida, Kumiko Takenouchi
  • Patent number: 8796674
    Abstract: Provided is a method of manufacturing an organic electronic device, wherein an organic electronic device that controls the injection and mobility of carriers in an organic charge transport layer thereof is manufactured by laminating organic layers comprising the same charge transportable organic compound, when manufacturing the organic electronic device with the coating method.
    Type: Grant
    Filed: February 7, 2011
    Date of Patent: August 5, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Shun Furukawa, Tomoyuki Nakayama, Hiroshi Ishidai
  • Patent number: 8791451
    Abstract: 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: Grant
    Filed: March 5, 2009
    Date of Patent: July 29, 2014
    Assignee: Solvay USA, Inc.
    Inventors: Venkataramanan Seshadri, Christopher T. Brown, Brian E. Woodworth, Edward S. Yang
  • Patent number: 8786181
    Abstract: The present invention relates to a blend comprising; a) at least one polymer or copolymer or a mixture of a plurality of polymers and/or copolymers which contain a main chain and a side chain, where at least one side chain contains a structural unit of the following formula (I), the symbols and indices used here are as defined below; b) at least one host molecule which has electron- or hole-transporting functionality, and c) at least one emitter molecule.
    Type: Grant
    Filed: October 14, 2011
    Date of Patent: July 22, 2014
    Assignees: Merck Patent GmbH, Fraunhofer-Gesellschaft Forschung E.V.
    Inventors: Thomas Eberle, Rémi Manouk Anémian, Manuel Thesen, Hartmut Krueger, Armin Wedel, Beatrice Salert, Stefanie Kreissl
  • Patent number: 8772081
    Abstract: The present invention relates to a write-once and read-many-times memory device and the fabricating method thereof. The structure of the memory device comprises: a substrate, a first electrode, a double helix biopolymer layer and a second electrode, and a plurality of metal nanoparticles are distributed in the double helix biopolymer layer. The first electrode is disposed on the substrate, the double helix biopolymer layer is disposed on the first electrode and the substrate, and the second electrode is disposed on the double helix biopolymer layer. When illuminating, the memory device will produce a low-conductivity state and high-conductivity state for writing data. Later, when a voltage is applied to the first electrode and the second electrode, the data will be read.
    Type: Grant
    Filed: August 28, 2012
    Date of Patent: July 8, 2014
    Assignee: National Tsing Hua University
    Inventors: Yu-Chueh Hung, Wei-Ting Hsu, Ting-Yu Lin, Ljiljana Fruk
  • Patent number: 8772764
    Abstract: An electro-chemical sensor includes a first electrode, a second electrode spaced apart from the first electrode, and a semiconductor channel in electrical contact with the first and second electrodes. The semiconductor channel includes a trapping material. The trapping material reduces an ability of the semiconductor channel to conduct a current of charge carriers by trapping at least some of the charge carriers to localized regions within the semiconductor channel. The semiconductor channel includes at least a portion configured to be exposed to an analyte to be detected, and the trapping material, when exposed to the analyte, interacts with the analyte so as to at least partially restore the ability of the semiconductor channel to conduct the current of charge carriers.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: July 8, 2014
    Assignee: The Johns Hopkins University
    Inventors: Howard E. Katz, Hoyoul Kong
  • Patent number: 8766239
    Abstract: The present invention relates to buffer bilayers, and their use in electronic devices. The bilayer has a first layer including at least one electrically conductive polymer doped with at least one highly-fluorinated acid polymer. The second layer is a reacted layer from a metal which can be one or more transition metals, Group 13 metals, Group 14 metals, or lanthanide metals.
    Type: Grant
    Filed: December 23, 2009
    Date of Patent: July 1, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventors: Chi Zhang, Che-Hsiung Hsu
  • Patent number: 8759826
    Abstract: The organic electroluminescent element (100) of the present invention comprises, on a substrate (1), electrodes (positive electrode (2) and negative electrode (8)) forming a pair and an organic functional layer (20) having at least an electron transport layer (6) and a light emitting layer (5). At least one of the electron transport layer (6) and the light emitting layer (5) contain semiconductor nanoparticles having a conduction band energy level of ?5.5-?1.5 ev.
    Type: Grant
    Filed: October 12, 2011
    Date of Patent: June 24, 2014
    Assignee: Konica Minolta, Inc.
    Inventor: Kazuhiro Oikawa
  • Patent number: 8754405
    Abstract: An organic electroluminescence device includes a cathode, a stacked structure provided on the cathode and including an organic layer that includes an organic light emitting layer, and a transparent anode provided on the stacked structure, The transparent anode includes a metal oxide and a conductive polymer.
    Type: Grant
    Filed: June 17, 2011
    Date of Patent: June 17, 2014
    Assignee: Ricoh Company, Ltd.
    Inventors: Yoshinori Okada, Hiroyuki Takahashi
  • Patent number: 8742402
    Abstract: An organic light-emitting device including a first electrode and a first layer, wherein the first electrode includes a first element-containing zinc oxide layer and the first layer includes a cyano group-containing compound.
    Type: Grant
    Filed: September 30, 2010
    Date of Patent: June 3, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae-Shick Kim, Dong-Heon Kim, Kwan-Hee Lee, Kyung-Hoon Choi, Mie-Hwa Park
  • Patent number: 8742403
    Abstract: A small molecule semiconductor of Formula (I): wherein R1, R2, R3 and R4 are independently selected from a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted ethynyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heteroaryl group, an alkoxy group, an alkylthio group, an alkylsilyl group, a cyano group, and a halogen atom, wherein n is 1 or 2, and wherein X is independently S or
    Type: Grant
    Filed: March 8, 2011
    Date of Patent: June 3, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Anthony J. Wigglesworth, Yiliang Wu, Ping Liu, Nan-Xing Hu
  • Patent number: 8729387
    Abstract: Disclosed is an organic photoelectric conversion element having high photoelectric conversion efficiency and high durability. Also disclosed are a solar cell and an optical sensor array, each using the organic photoelectric conversion element. The organic photoelectric conversion element comprises a bulk heterojunction layer wherein an n-type semiconductor material and a p-type semiconductor material are mixed. The organic photoelectric conversion element is characterized in that the n-type semiconductor material is a polymer compound and the p-type semiconductor material is a low-molecular-weight compound.
    Type: Grant
    Filed: August 21, 2009
    Date of Patent: May 20, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Yasushi Okubo, Takahiko Nojima, Hiroaki Itoh, Ayako Wachi
  • Patent number: 8692239
    Abstract: An organic light emitting display device which includes a base member; an organic light emitting display unit provided on one surface of the base member and configured to generate an image; an intermediate layer provided over the one surface of the base member and formed to be in contact with the organic light emitting display unit; and a capping member including a bulkhead member and a first member, wherein one surface of the first member is in contact with the intermediate layer, and the bulkhead member is protruded from an opposite surface of the first member to define a plurality of capping areas.
    Type: Grant
    Filed: June 4, 2012
    Date of Patent: April 8, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Hyun Son, Hoon Kim
  • Patent number: 8692241
    Abstract: Novel iridium complexes containing triazole and tetrazole carbene ligands are described. These metal complexes additionally contain dibenzo moieties such as dibenzothiophene and dibenzofuran, and the complexes have overall improved properties such as more saturated blue emission when used as emissive compounds in OLED devices.
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: April 8, 2014
    Assignee: Universal Display Corporation
    Inventors: Lichang Zeng, Bin Ma, Chun Lin
  • Patent number: 8685780
    Abstract: The present invention provides a method for an organic thin film solar cell and an organic thin film solar cell manufactured by the same, which can reduce manufacturing cost by simplifying manufacturing process, ensure long-lasting durability and stability, and improve energy conversion efficiency of the solar cell.
    Type: Grant
    Filed: August 9, 2010
    Date of Patent: April 1, 2014
    Assignee: Hyundai Motor Company
    Inventors: Won Jung Kim, Yong Jun Jang, Yong Gu Kim, Ki Chun Lee, Sang Hak Kim, Mi Yeon Song
  • Patent number: 8664669
    Abstract: An organic EL element has an anode, a cathode, a hole injection layer and at least one functional layer disposed between the anode and the cathode. The at least one functional layer contains an organic material. Holes are injected into the functional layer from the hole injection layer, which contains a tungsten oxide. A Ultraviolet Photoelectron Spectroscopy (UPS) spectrum obtained from a UPS measurement has a protrusion near a Fermi surface and within a region corresponding to a binding energy range lower than a top of the valence band. The tungsten oxide contained in the hole injection layer satisfies a condition, determined from an X-ray Photoelectronic Spectroscopy measurement, that a ratio in a number density of atoms other than tungsten and oxygen atoms to the tungsten atoms does not exceed approximately 0.83.
    Type: Grant
    Filed: January 30, 2012
    Date of Patent: March 4, 2014
    Assignee: Panasonic Corporation
    Inventors: Satoru Ohuchi, Hirofumi Fujita, Shinya Fujimura
  • Publication number: 20130320305
    Abstract: The present invention relates to a write-once and read-many-times memory device and the fabricating method thereof. The structure of the memory device comprises: a substrate, a first electrode, a double helix biopolymer layer and a second electrode, and a plurality of metal nanoparticles are distributed in the double helix biopolymer layer. The first electrode is disposed on the substrate, the double helix biopolymer layer is disposed on the first electrode and the substrate, and the second electrode is disposed on the double helix biopolymer layer. When illuminating, the memory device will produce a low-conductivity state and high-conductivity state for writing data. Later, when a voltage is applied to the first electrode and the second electrode, the data will be read.
    Type: Application
    Filed: August 28, 2012
    Publication date: December 5, 2013
    Applicant: NATIONAL TSING HUA UNIVERSITY
    Inventors: Yu-Chueh Hung, Wei-Ting Hsu, Ting-Yu Lin, Ljiljana Fruk
  • Patent number: 8586975
    Abstract: A photoelectric conversion element includes a first electrode, a second electrode, and a photoelectric conversion element provided between the first electrode and the second electrode. The photoelectric conversion element includes a polymer. The polymer includes at least one light absorber which absorbs light and generates at least one kind of carrier. An end part of the polymer combines with a surface, which faces the second electrode, of the first electrode.
    Type: Grant
    Filed: January 27, 2012
    Date of Patent: November 19, 2013
    Assignee: Seiko Epson Corporation
    Inventor: Takashi Miyazawa
  • Patent number: 8586969
    Abstract: The organic EL device of the present invention includes an anode, a cathode (e.g., an Al layer (15)), and an organic layer 20 that is disposed between the anode and the cathode and that includes a light emitting layer 14. At least one side of the anode nearer to the organic layer (20) is formed of a transparent oxide semiconductor layer (e.g., an ITO layer (12)). The molybdenum oxide layer is disposed between the oxide semiconductor layer and the organic layer (20). The thickness of the molybdenum oxide layer is less than 2 nm when the molybdenum oxide layer is assumed to have a uniform thickness.
    Type: Grant
    Filed: November 11, 2008
    Date of Patent: November 19, 2013
    Assignee: Japan Advanced Institute of Science and Technology
    Inventors: Hideyuki Murata, Toshinori Matsushima
  • Patent number: 8546796
    Abstract: A semiconductor device including a gate electrode, a gate insulating layer, source/drain electrodes, and a channel-forming region that are disposed on a base is provided. The method includes the steps of forming a thin film by application of a mixed solution including a polymeric insulating material and a dioxaanthanthrene compound represented by structural formula (1) below; and subsequently drying the thin film to induce phase separation of the polymeric insulating material and the dioxaanthanthrene compound, thereby forming the gate insulating layer from the polymeric insulating material and the channel-forming region from the dioxaanthanthrene compound: wherein at least one of R3 and R9 represents a substituent other than hydrogen.
    Type: Grant
    Filed: February 20, 2013
    Date of Patent: October 1, 2013
    Assignee: Sony Corporation
    Inventors: Norihito Kobayashi, Mari Sasaki, Takahiro Ohe
  • Patent number: 8546791
    Abstract: A light emissive or photovoltaic device comprising: a cathode structure for injecting electrons, the cathode structure having one or more constituent regions; an anode structure for injecting holes, the anode structure having one or more constituent regions; and an organic light emissive component located between the anode structure and the cathode structure; the refractive indices and the thicknesses of the or each constituent region of the cathode and anode structures and of the light emissive component being such that the emission or absorption spectrum of the device is substantially angularly dependent.
    Type: Grant
    Filed: June 18, 2009
    Date of Patent: October 1, 2013
    Assignee: Cambridge Enterprise Limited
    Inventors: Richard Henry Friend, Dinesh Kabra, Bernard Wenger, Henry Snaith, Myoung Hoon Song
  • Publication number: 20130240841
    Abstract: A method including activating an electronic device, such as an organic thin film transistor, by exposing the device to non-ionizing radiation while the device is under an electrical field. Activation of the transistor increases the field effect mobility of the transistor.
    Type: Application
    Filed: March 19, 2012
    Publication date: September 19, 2013
    Applicant: XEROX CORPORATION
    Inventors: Yiliang WU, Anthony J. Wigglesworth, Ping Liu
  • Patent number: 8530269
    Abstract: A method of forming a polymer device including the steps (i) of depositing on a substrate a solution containing a polymer or oligomer and a crosslinking moiety, to form a layer, and, (ii) curing the layer formed in step (i) under conditions to form an insoluble crosslinked polymer, wherein the crosslinking moiety is present in step (i) in an amount in the range of from 0.05 mol % to 5 mol % based on the total number of moles or repeat units of the polymer or oligomer and the crosslinking moiety in the solution.
    Type: Grant
    Filed: May 12, 2004
    Date of Patent: September 10, 2013
    Assignee: Cambridge Enterprise Ltd
    Inventors: Lay-Lay Chua, Peter Kian-Hoon Ho, Richard H. Friend
  • Patent number: 8525155
    Abstract: The invention generally encompasses phosphonium ionic liquids and compositions and their use in many applications, including but not limited to: as electrolytes in electronic devices such as memory devices including static, permanent and dynamic random access memory, as battery electrolytes, as a heat transfer medium, fuel cells and electrochromatic devices, among other applications. In particular, the invention generally relates to phosphonium ionic liquids, compositions and molecules possessing structural features, wherein the molecules exhibit superior combination of thermodynamic stability, low volatility, wide liquidus range and ionic conductivity. The invention further encompasses methods of making such phosphonium ionic liquids, compositions and molecules, and operational devices and systems comprising the same.
    Type: Grant
    Filed: July 13, 2009
    Date of Patent: September 3, 2013
    Assignee: eSionic ES, Inc.
    Inventors: J. Adrian Hawkins, David A. Hudgins, Levi J. Irwin
  • Patent number: 8519077
    Abstract: N-type conjugated compounds are disclosed which include at least one conjugated electron-acceptor unit The conjugated electron-acceptor unit includes a diborylene unit. The compounds find application in an electron acceptor layer of an electronic device.
    Type: Grant
    Filed: August 10, 2009
    Date of Patent: August 27, 2013
    Assignee: The University of Akron
    Inventor: Li Jia
  • Patent number: 8512879
    Abstract: A polymer useful in an optoelectronic device comprises structural unit of formula I: wherein R1 is, independently at each occurrence, a C1-C20 aliphatic radical, a C3-C20 aromatic radical, or a C3-C20 cycloaliphatic radical; a is, independently at each occurrence, an integer ranging from 0-4; Ar1 is aryl or heteroaryl; Ar2 is fluorene; R2 is alkylene, substituted alkylene, oxaalkylene, CO, or CO2; R3, R4 and R5 are independently hydrogen, alkyl, alkoxy, alkylaryl, aryl, arylalkyl, heteroaryl, substituted alkyl; substituted alkoxy, substituted alkylaryl, substituted aryl, substituted arylalkyl, or substituted heteroaryl; and L is derived from phenylpyridine, tolylpyridine, benzothienylpyridine, phenylisoquinoline, dibenzoquinozaline, fluorenylpyridine, ketopyrrole, 2-(1-naphthyl)benzoxazole)), 2-phenylbenzoxazole, 2 phenylbenzothiazole, coumarin, thienylpyridine, phenylpyridine, benzothienylpyridine, 3 methoxy-2-phenylpyridine, thienylpyridine, phenylimine, vinylpyridine, pyridylnaphthalene, pyridylpyrro
    Type: Grant
    Filed: November 10, 2009
    Date of Patent: August 20, 2013
    Assignee: General Electric Company
    Inventors: Qing Ye, Jie Lu, Kelly Scott Chichak
  • Patent number: 8513877
    Abstract: A polymer compound comprising a constitutional unit of the following formula (1): (wherein, P represents an integer of 1 to 4, Q represents an integer of 0 to 4. RX and RY represent each independently an alkyl group, alkoxy group, alkylthio group, aryloxy group, arylthio group, arylalkyl group, arylalkoxy group or arylalkylthio group, when there exist a plurality of RX's, these may be the same or different, and when there exist a plurality of RY's, these may be the same or different. Ar1 represents an unsubstituted or substituted arylene group or an unsubstituted or substituted di-valent heterocyclic group, and Ar2 represents an unsubstituted or substituted aryl group or an unsubstituted or substituted mono-valent heterocyclic group. A plurality of Ar1's and Ar2's may each be the same or different.).
    Type: Grant
    Filed: May 14, 2008
    Date of Patent: August 20, 2013
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Daisuke Fukushima, Yoshiaki Tsubata
  • Patent number: 8507901
    Abstract: The invention relates to an electronic device, particularly photoreceptor or electrophotographic device, comprising an organic function material, which comprises an electron transport component and a hole trap component, to an organic material, which is a mixture or a copolymer comprising an electron transport component and a hole trap component, its use as charge transport material in a photoreceptor or electrophotographic device, especially of the positive charging type, and to electronic devices comprising such a material.
    Type: Grant
    Filed: August 12, 2009
    Date of Patent: August 13, 2013
    Assignee: Merck Patent GmbH
    Inventor: Junyou Pan
  • Patent number: 8497495
    Abstract: A compound having at least two diarylamino moieties and at least 10% deuteration.
    Type: Grant
    Filed: December 21, 2009
    Date of Patent: July 30, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Daniel David Lecloux, Adam Fennimore, Weiying Gao, Nora Sabina Radu, Michael Henry Howard, Jr., Gary A. Johansson, Kalindi Dogra, Eric Maurice Smith, Kyung-Ho Park
  • Patent number: 8487298
    Abstract: An organic semiconductor transistor has plural electrodes and an organic semiconductor layer including at least one compound represented by the following Formula (I). In Formula (I), each R is independently a hydrogen atom or an alkyl group; and n and m are each independently an integer of from 1 to 3.
    Type: Grant
    Filed: September 9, 2009
    Date of Patent: July 16, 2013
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Hidekazu Hirose, Koji Horiba, Akira Imai, Takeshi Agata, Katsuhiro Sato
  • Patent number: 8466460
    Abstract: A polymer comprising repeating units A and optionally repeating units B wherein Z=S, Se, N—R and O; W is at each occurrence independently a monocyclic or polycylic moiety optionally substituted with 1-4 Ra groups; Y, at each occurrence, is independently a divalent C1-6 alkyl group, a divalent C1-6 haloalkyl group, or a covalent bond; c is from 1 to 6.
    Type: Grant
    Filed: May 26, 2010
    Date of Patent: June 18, 2013
    Assignees: BASF SE, Polyera Corporation
    Inventors: Ashok Kumar Mishra, Subramanian Vaidyanathan, Hiroyoshi Noguchi, Florian Doetz, Silke Annika Koehler, Marcel Kastler