Patents Examined by D. L Tarazano
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Patent number: 7875368Abstract: Provided is a novel heterocyclic compound which is useful as a material for an organic electroluminescent device. The heterocyclic compound is represented by the general formula [I]: wherein X represents a nitrogen atom or a carbon atom; Y represents O or S; R1 and R2 each represent, independently of one another, a group selected from the group consisting of a substituted or unsubstituted alkyl group and the like; a represents 0 or more and 3 or less; b represents 0 or more and 3 or less; and Ar1 represents a substituted or unsubstituted heterocyclic ring or the like; and n represents an integer of 2 to 10.Type: GrantFiled: November 14, 2007Date of Patent: January 25, 2011Assignee: Canon Kabushiki KaishaInventors: Hiroki Ohrui, Akihiro Senoo, Tetsuya Kosuge, Taiki Watanabe
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Patent number: 7842404Abstract: Disclosed is an organic light emitting device. The organic light emitting device comprises a first electrode, organic material layer(s) comprising a light emitting layer, and a second electrode. The first electrode, the organic material layer(s), and the second electrode form layered structure and at least one layer of the organic material layer(s) include the compound of Formula 1 or the compound of Formula 1 into which a thermosetting or photo-crosslinkable functional group is introduced.Type: GrantFiled: September 23, 2005Date of Patent: November 30, 2010Assignee: LG Chem, Ltd.Inventors: Wook Dong Cho, Ji Eun Kim, Byung Sun Jeon, Dong Seob Jeong, Seok Hee Yoon, Jae Min Moon
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Patent number: 7839076Abstract: An organic electroluminescent device comprising an organic layer is provided. The organic layer is an electron transport layer comprising an electron transport material and a blue emission material. This electron transport layer causes an increase in the blue emission efficiency and lifespan of the organic electroluminescent device while improving efficiency in red and green ranges, a driving voltage, a color coordinate, and the lifespan of the organic electroluminescent device are not changed.Type: GrantFiled: July 28, 2005Date of Patent: November 23, 2010Assignee: Samsung Mobile Display Co., Ltd.Inventors: Hye-In Jeong, Ok-Keun Song, Young-Mo Koo, Yong-Han Lee
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Patent number: 7816017Abstract: A aromatic amine derivative having an specific structure having a diphenyl amino group, and two or more of substituent bonding to benzene ring thereof, and in an organic electroluminescence device which comprises at least one organic thin film layer comprising a light emitting layer sandwiched between a pair of electrode consisting of an anode and a cathode, at least one of the organic thin film layer comprises the aromatic amine derivative singly or a component for a mixture thereof. The organic electroluminescence device exhibiting a long lifetime and high current efficiency as well as emitting blue light with high color purity, and also the aromatic amine derivative for realizing the organic EL device are provided.Type: GrantFiled: January 23, 2006Date of Patent: October 19, 2010Assignee: Idemitsu Kosan Co., Ltd.Inventors: Masakazu Funahashi, Mineyuki Kubota
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Patent number: 7811682Abstract: Disclosed is a novel compound which is capable of significantly improving a lifespan, efficiency, and electrochemical and thermal stabilities of an organic light emitting device, the production of the compound, and an organic light emitting device in which the compound is contained in an organic compound layer.Type: GrantFiled: September 24, 2005Date of Patent: October 12, 2010Assignee: LG Chem, Ltd.Inventors: Wook Dong Cho, Ji Eun Kim, Byung Sun Jeon, Seok Hee Yoon, Jae Min Moon
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Patent number: 7789670Abstract: The present invention provides a very thin planar connector having 2 mm or smaller pitch interval at the lattice area and 0.5 mm or smaller thickness of the lattice area, giving excellent performance in the whole performances such as moldability, flatness, warp-deformation, and heat resistance. A planar connector having a lattice structure within an outer frame is molded by using (C) a resin composition prepared by compounding (A) a liquid-crystalline polymer with (B) a fibrous filler, while the relation between the compounding quantity and the weight-average length of (B) the fibrous filler is controlled to a specified range.Type: GrantFiled: March 24, 2005Date of Patent: September 7, 2010Assignee: Polyplastics Co., Ltd.Inventors: Hiroki Fukatsu, Kazufumi Watanabe, Toshio Shiwaku, Hirokazu Ohshiba
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Patent number: 7754319Abstract: A composite material according to the present invention includes: a fiber fabric (2) composed of certain fibers; and a matrix (3) which is so formed as to adhere to the fiber fabric (2). The fiber fabric (2) contains main constitutional fibers (21) and auxiliary fibers (22) which compensate the characteristics of the main constitutional fibers (21) when they are exposed to a high temperature atmosphere.Type: GrantFiled: December 27, 2004Date of Patent: July 13, 2010Assignee: Ishikawajima-Harima Heavy Industries Co., Ltd.Inventor: Takeshi Nakamura
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Patent number: 7754320Abstract: A composite building article is configured with one or more subsurface interfacial zones provided to improve the durability of the article. Each subsurface interfacial zone is made of a matrix of fiber cement and radiation curable material. The radiation curable material forms an interlocking network with the fiber cement to provide a interfacial zone against ingress of environmental agents that can degrade the article. The number, configuration and distribution of the subsurface interfacial zones can vary dependent on the desired characteristics of the final product. The subsurface interfacial zones also improves the adhesion between exterior coatings and the substrate as the interfacial zones can be integrally formed with the substrate as well as exterior coating layer.Type: GrantFiled: January 12, 2005Date of Patent: July 13, 2010Assignee: James Hardie Technology LimitedInventors: David Lyons, Donald James Merkley, Theresa Sukkar
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Patent number: 7709087Abstract: A fabricated microstructure includes a substrate, a primary fiber, and a plurality of base fibers. The primary fiber has a width less than about 5 microns. Each base fiber of the plurality of base fibers has a first end attached to the primary fiber and a second end attached to the substrate. Each base fiber has a width less than the width of the primary fiber.Type: GrantFiled: November 17, 2006Date of Patent: May 4, 2010Assignee: The Regents of the University of CaliforniaInventors: Carmel Majidi, Richard E. Groff, Ronald S. Fearing, Steven D. Jones
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Patent number: 7709101Abstract: An organic electroluminescence device is disclosed which comprises an emitting layer and a hole blocking layer disposed between an electron injecting electrode (cathode) and a hole injecting electrode (anode), the material for the hole blocking layer being expressed by the following chemical formula 1: The organic electroluminescence device can improve the luminescence and driving characteristics.Type: GrantFiled: January 5, 2005Date of Patent: May 4, 2010Assignee: LG Display Co., Ltd.Inventors: Jeong Dae Seo, Chun Gun Park, Hyun Cheol Jeong, Kyung Hoon Lee
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Patent number: 7695811Abstract: An on/off reversible adhesive mechanism, and method for fabricating same. The adhesive mechanism is a hierarchical system comprised of a micro-scale compliant surface having one or more nano-structures thereon, wherein the compliant surface is moved by applying a magnetic field either to engage the nano-structures with an adhering surface or to remove the nano-structures from the adhering surface.Type: GrantFiled: March 19, 2007Date of Patent: April 13, 2010Assignee: The Regents of the University of CaliforniaInventors: Michael T. Northen, Kimberly L. Turner
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Patent number: 7691472Abstract: Individualized seed hairs, methods for individualizing seed hairs, chemical derivatives of individualized seed hairs, seed hair-containing soft fibrous structures, single- or multi-ply sanitary tissue products comprising such fibrous structures and methods for making such fibrous structures and sanitary tissue products are provided.Type: GrantFiled: May 18, 2006Date of Patent: April 6, 2010Assignee: The Procter & Gamble CompanyInventors: Kenneth Douglas Vinson, Teresa Jean Franklin
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Patent number: 7635526Abstract: The present invention describes novel organometallic compounds which are phosphorescence emitters. Such compounds can, as active constituents (functional materials), be used in a number of different applications, which in the broadest sense can be classed as belonging to the electronics industry. The compounds according to the invention are described by the formulas (I), (Ia), (II), (IIa), (III), (IIIa), (IV) and (IVa).Type: GrantFiled: March 24, 2003Date of Patent: December 22, 2009Assignee: Merck Patent GmbHInventors: Philipp Stössel, Ingrid Bach, Hubert Spreitzer, Heinrich Becker
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Patent number: 7632577Abstract: To provide an organic light-emitting device that exhibits the hue of light emission having extremely high purity and has a light output having high luminance and long life with a high degree of efficiency. The organic light-emitting device comprises at least a pair of electrodes consisting of an anode and a cathode and one or more organic compound-containing layers sandwiched between the pair of electrodes, wherein at least one of the above described organic compound-containing layers contains at least one compound selected from the group consisting of the compounds represented by the following general formula [1] and at least one compound selected from the group consisting of the compounds represented by the following general formula [2].Type: GrantFiled: August 26, 2003Date of Patent: December 15, 2009Assignee: Canon Kabushiki KaishaInventors: Akihito Saitoh, Mizuho Hiraoka, Koichi Suzuki, Akihiro Senoo, Hiroshi Tanabe, Naoki Yamada, Chika Negishi
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Patent number: 7541736Abstract: A thieno[3,2-b]indole-based polymer and an organo-electroluminescent device in which the polymer is introduced into an organic layer are provided. The thieno[3,2-b]indole-based polymer may be easily prepared and has blue light-emitting characteristic. The organo-electroluminescent device adopting the organic layer using the thieno[3,2-b]indole-based polymer has improved color purity, efficiency, and luminance characteristics.Type: GrantFiled: January 19, 2005Date of Patent: June 2, 2009Assignee: Samsung Mobile Display Co., Ltd.Inventors: Byung-Hee Sohn, Hyun-Ju Lim
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Patent number: 7537842Abstract: Asymmetric light-emitting dendrimers having the formulae: (a) CORE?[DENDRITE1]n[DENDRITE2]m and (b) CORE?[DENDRITE]n are disclosed.Type: GrantFiled: February 20, 2002Date of Patent: May 26, 2009Assignee: Isis Innovation LimitedInventors: Paul Leslie Burn, Ifor David Samuel, Shih-Chun Lo
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Patent number: 7517593Abstract: A donor substrate for a laser induced thermal imaging method and an organic electroluminescent display device fabricated using the same are provided. The donor substrate may be constructed with base film; a light-to-heat conversion layer formed on the base film; a buffer layer formed on the entire surface of the light-to-heat conversion layer; a metal layer formed on the buffer layer; and a transfer layer formed of an organic material and formed on the metal layer, thereby enhancing the characteristics of a transfer pattern by transferring a small molecular material using the laser induced thermal imaging method.Type: GrantFiled: December 13, 2004Date of Patent: April 14, 2009Assignee: Samsung Mobile Display Co., Ltd.Inventors: Myung-Won Song, Ho-Kyoon Chung, Seong-Taek Lee, Mu-Hyun Kim, Byung-Doo Chin, Tae-Min Kang, Jae-Ho Lee
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Patent number: 7517592Abstract: A light-emitting device comprising a pair of electrodes and a light-emitting layer or a plurality of organic layers comprising a light-emitting layer disposed therebetween, the light emitting layer or at least one of a plurality of organic layers comprising the light-emitting layer comprising at least one compound represented by the following general formula (1): wherein each of Ar11, Ar12, Ar13, Ar14 and Ar15 represents an aryl group or a heteroaryl group; Ar represents a benzene ring, a naphthalene ring; a phenanthrene ring or an anthracene ring; at least one of Ar, Ar11, Ar12, Ar13, Ar14 and Ar15 is a condensed aryl group, a condensed or uncondensed heteroaryl group or a group comprising a condensed aryl group or a condensed or uncondensed heteroaryl group; Ar11, Ar12, Ar13, Ar14 and Ar15 are not bonded to each other to form a ring; R11 represents a substituent; and n11 represents an integer of 0 or more.Type: GrantFiled: July 10, 2002Date of Patent: April 14, 2009Assignee: FUJIFILM CorporationInventors: Tatsuya Igarashi, Xuepeng Qiu
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Patent number: 7510762Abstract: Disclosed herein is a composite film comprising a layer of an organic polymer, wherein the organic polymer is an elastomer; the organic polymer having an elastic modulus of less than or equal to about 105 Pascals when measured at room temperature; and a bundle of carbon fibers disposed in the layer of organic polymer; each bundle comprising a column and an end face; each bundle also having a longitudinal axis that is substantially parallel to the column and passes through the center of the column; the end face of the carbon fiber bundle intercalated with nitrate ions and fibrillated so as to have a surface area measured perpendicular to the longitudinal axis that is about 110% to about 250% greater than the surface area of a cross-section of the carbon fiber bundle measured at the column.Type: GrantFiled: June 5, 2008Date of Patent: March 31, 2009Assignee: International Business Machines CorporationInventors: Kuniaki Sueoka, Yoichi Taira
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Patent number: 7494721Abstract: The device according to the invention is a device having organic thin films containing a light-emitting layer between an anode and a cathode that emits light by application of electric energy, characterized in that the light-emitting device contains at least a compound having the basic skeleton represented by the following General Formula (1) or (2). Use of the condensed polycyclic compound according to the invention allows production of high-brightness, high-efficiency light-emitting device superior in color purity.Type: GrantFiled: January 16, 2004Date of Patent: February 24, 2009Assignee: Nippon Kayaku Kabushiki KaishaInventors: Masaaki Ikeda, Takaaki Kurata, Teppei Tsuchida, Chihaya Adachi