Polycyclo, I.e., Fused Patents (Class 585/26)
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Publication number: 20100327266Abstract: A monobenzochrysene derivative shown by the following formula (1): wherein R1 to R14 are independently a hydrogen atom or a substituent, and at least one of R1 to R14 is a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms which does not contain an anthracene skeleton and a benzo[g]chrysene skeleton or a substituted or unsubstituted heteroaryl group having 5 to 50 ring carbon atoms which does not contain an anthracene skeleton and a benzo[g]chrysene skeleton, excluding the case where R8 and R9 are unsubstituted phenyl groups and R1 to R7 and R10 to R14 are hydrogen atoms and the case where R9 is an unsubstituted phenyl group and R1 to R8 and R10 to R14 are hydrogen atoms.Type: ApplicationFiled: November 13, 2008Publication date: December 30, 2010Inventor: Masahiro Kawamura
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Publication number: 20100327270Abstract: The present invention relates to the compounds of the formula (1) and to organic electroluminescent devices, in particular blue-emitting devices, in which these compounds are used as host material in the emitting layer and/or as electron-transport material.Type: ApplicationFiled: February 13, 2009Publication date: December 30, 2010Applicant: Merck Patent GmbHInventors: Arne Buesing, Holger Heil, Philipp Stoessel
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Publication number: 20100327230Abstract: A phenanthrene derivative is represented by a formula (1) below. In the formula (1), Ar1 to Ar4 each represent an aromatic hydrocarbon ring group having 6 to 18 carbon atoms for forming the ring. The aromatic hydrocarbon ring group contains none of anthracene skeleton, pyrene skeleton, aceanthrylene skeleton and naphthacene skeleton. L represents a single bond, a substituted or unsubstituted benzene skeleton, naphthalene skeleton, biphenylene skeleton, fluorene skeleton, phenanthrene skeleton, fluoranthene skeleton, triphenylene skeleton, chrysene skeleton, phenyl-naphthalene skeleton or binaphthalene skeleton. R1 and R2 each represent a substituent, the number of which may be 0, 1 or more. R1 and R2 may be bonded in any positions of the phenanthrene skeleton. m, n, l and p each represent 0 or 1 while satisfying m+n+l+p?1 (m,n?l,p). a and b each represent an integer of 0 to 8.Type: ApplicationFiled: July 4, 2008Publication date: December 30, 2010Applicant: Idemitsu Kosan Co., Ltd.Inventors: Masahiro Kawamura, Kazuki Nishimura, Yoriyuki Takashima, Mitsunori Ito, Toshihiro Iwakuma, Toshinari Ogiwara
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Publication number: 20100331585Abstract: A phenanthrene derivative is represented by a formula (1) below. In the formula (1), Ar1 and Ar2 each represent an aromatic hydrocarbon ring group having 6 to 18 carbon atoms for forming the ring. The aromatic hydrocarbon ring group contains none of anthracene skeleton, pyrene skeleton, aceanthrylene skeleton and naphthacene skeleton. R1 represents a substituent, the number of which may be 0, 1 or more. R1 may be bonded in any position of the phenanthrene skeleton. n and m each represent an integer of 1 to 3. k represents an integer of 0 to 8.Type: ApplicationFiled: July 4, 2008Publication date: December 30, 2010Applicant: Idemitsu Kosan Co., Ltd.Inventors: Masahiro Kawamura, Kazuki Nishimura, Yoriyuki Takashima, Mitsunori Ito, Toshihiro Iwakuma, Toshinari Ogiwara
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Publication number: 20100320452Abstract: A fused aromatic ring derivative shown by the following formula (1): wherein Ra and Rb are independently a hydrogen atom or a substituent, p is an integer of 1 to 8 and q is an integer of 1 to 11, when p is 2 or more, plural Ras may be independently the same or different and adjacent Ras may form a ring, when q is 2 or more, plural Rbs may be independently the same or different, L1 is a single bond, or a substituted or unsubstituted divalent linking group, and Ar1 is a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms or a substituted or unsubstituted heteroaryl group having 5 to 50 ring atoms, provided that the substituent of L1, the substituent of Ar1, Ra and Rb contain no substituted or unsubstituted amino group.Type: ApplicationFiled: November 25, 2008Publication date: December 23, 2010Inventor: Masahiro Kawamura
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Publication number: 20100320451Abstract: A fused aromatic ring derivative shown by the following formula (1): wherein Ra and Rb are independently a hydrogen atom or a substituent, m and n are independently an integer of 1 to 13, and when m and n are two or more, Ras and Rbs may be independently the same or different, and L1 is a single bond or a substituted or unsubstituted divalent linking group, provided that the fused aromatic ring derivative shown by the formula (1) does not have an anthracene ring.Type: ApplicationFiled: November 10, 2008Publication date: December 23, 2010Inventor: Masahiro Kawamura
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Publication number: 20100308718Abstract: Asymmetric pyrene derivatives having specific structure. An organic EL device comprising at least one organic thin film layer including a light emitting layer sandwiched between a pair of electrode consisting of an anode and a cathode, wherein the organic thin film layer comprises at least one kind selected from the aforementioned asymmetric pyrene derivatives singly or as a component of mixture thereof. An organic EL device exhibiting a great efficiency of light emission and having a long lifetime, and also asymmetric pyrene derivatives for realizing the organic EL device are provided.Type: ApplicationFiled: June 7, 2010Publication date: December 9, 2010Applicant: Idemitsu Kosan Co., Ltd.Inventors: Mineyuki KUBOTA, Masakazu Funahashi, Chishio Hosokawa
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Publication number: 20100308305Abstract: The present invention relates to novel organic electroluminescent materials and organic light emitting devices comprising the same. Since the organic electroluminescent materials according to the invention have good luminous efficiency and life property as an electroluminescent material, OLED's having very good operation lifetime can be produced.Type: ApplicationFiled: July 3, 2008Publication date: December 9, 2010Applicant: Gracel Display Inc.Inventors: Hyo Nim Shin, Chi Sik Kim, Young Jun Cho, Hyuck Joo Kwon, Bong Ok Kim, Sung Min Kim, Seung Soo Yoon
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Publication number: 20100295029Abstract: A fused aromatic ring derivative shown by the following formula (1): wherein Ra and Rb are independently a hydrogen atom or a substituent; p is an integer of 1 to 13; q is an integer of 1 to 8; when p is two or more, plural Ras may be the same or different, and adjacent Ras may form a saturated or unsaturated ring; when q is two or more, plural Rbs may be the same or different, and adjacent Rbs may form a saturated or unsaturated ring; L1 is a single bond or a substituted or unsubstituted divalent linking group; and Ar1 is a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms or a substituted or unsubstituted heteroaryl group having 5 to 50 ring carbon atoms.Type: ApplicationFiled: November 11, 2008Publication date: November 25, 2010Inventor: Masahiro Kawamura
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Publication number: 20100295030Abstract: A fused aromatic derivative shown by the following formula (1): wherein Ra and Rb are independently a hydrogen atom or a substituent, p is an integer of 1 to 8 and q is an integer of 1 to 11, and when p and q are two or more, Ras and Rbs may be independently the same or different, and adjacent substituents Ras may form a ring, L1 is a single bond or a substituted or unsubstituted divalent linking group, and Ar1 is a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms or a substituted or unsubstituted heteroaryl group having 5 to 50 ring atoms, provided that when L1 is a single bond and at least one of Ras is not a hydrogen atom, Ar1 is not a triphenylenyl group, and provided that substituents of L1 and Ar1, and Ra and Rb contain no amino group.Type: ApplicationFiled: November 17, 2008Publication date: November 25, 2010Inventor: Masahiro Kawamura
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Patent number: 7839074Abstract: An organic electroluminescence device which comprises a cathode, an anode and an organic thin film layer comprising at least one layer comprising a light emitting layer and disposed between the cathode and the anode, wherein at least one layer in the organic thin film layer comprises an anthracene derivative having a specific structure singly or as a component of a mixture, and an anthracene derivative having a specific asymmetric structure and providing an organic electroluminescence device exhibiting a great efficiency of light emission and having a long life, are provided.Type: GrantFiled: August 18, 2003Date of Patent: November 23, 2010Assignee: Idemitsu Kosan Co., Ltd.Inventors: Hidetsugu Ikeda, Motohisa Ido, Masakazu Funahashi
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Publication number: 20100289013Abstract: A compound having the following structure as at least a part: wherein FA and FA? are a substituted or unsubstituted fused aromatic ring which may be the same or different, and at least one of FA and FA? is a fused aromatic ring having 4 or more rings.Type: ApplicationFiled: December 12, 2008Publication date: November 18, 2010Inventors: Mitsunori Ito, Masahiro Kawamura
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Patent number: 7829597Abstract: The present invention is directed to compounds of formula (I) which are inhibitors of the beta-secretase enzyme and that are useful in the treatment of diseases in which the beta-secretase enzyme is involved, such as Alzheimer's disease. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the treatment of such diseases in which the beta-secretase enzyme is involved.Type: GrantFiled: September 29, 2004Date of Patent: November 9, 2010Assignee: Merck, Sharp & Dohme, Inc.Inventors: Philippe G. Nantermet, Hemaka Anthony Rajapakse, Harold G. Selnick
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Publication number: 20100277060Abstract: The present invention relates to an electronic device, especially an electroluminescent devices, comprising a compound of Formula (I), especially as host for phosphorescent compounds. The hosts may function with phosphorescent materials to provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices.Type: ApplicationFiled: September 10, 2008Publication date: November 4, 2010Applicant: BASF SEInventors: Thomas Schaefer, Colin Morton, Peter Murer, Frederique Wendeborn, Beat Schmidhalter, Kristina Bardon
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Publication number: 20100258791Abstract: An organic electroluminescence device includes: a cathode; an anode; and an organic thin-film layer including at least one layer and provided between the cathode and the anode. At least one layer of the organic thin-film layer includes: an organic-electroluminescence-device material represented by any one of the following formulae (1), (2) and (3); and at least one phosphorescent material, in which the organic-electroluminescence-device material may have a substituent. A or Ar may be substituted by a phenyl group or a naphthyl group.Type: ApplicationFiled: April 6, 2010Publication date: October 14, 2010Applicant: Idemitsu Kosan Co., Ltd.Inventors: Toshihiro IWAKUMA, Yoriyuki Takashima, Mitsunori Ito, Toshinari Ogiwara
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Patent number: 7811681Abstract: An organic light emitting device having a pyrene based electron transport compound and an electron injecting and transport layer comprising the electron transport compound is provided.Type: GrantFiled: January 16, 2007Date of Patent: October 12, 2010Assignee: LG Display Co., Ltd.Inventors: Jung Keun Kim, Jeongdae Seo, Hvun Cheol Jeong, Jong Kwan Bin, Chungun Park
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Publication number: 20100252817Abstract: The present invention provides a novel anthracene derivative, a method for preparing the same, and an organic electronic device using the same. The anthracene derivative according to the invention can function alone as a light emitting host, in particular, as a blue host in an organic electronic device. Further, the anthracene derivative according to the invention can also function as a hole injecting or hole transporting material, an electron injecting or electron transporting material, or a light emitting material in an organic electronic device including a light emitting device. Therefore, the organic electronic device according to the present invention shows excellent characteristics in efficiency, drive voltage and stability.Type: ApplicationFiled: January 25, 2007Publication date: October 7, 2010Inventors: Kong-Kyeom Kim, Hye-Young Jang, Jae-Chol Lee, Jae-Soon Bae, Dong-Seob Jeong, Tae-Yoon Park
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Publication number: 20100256923Abstract: One embodiment includes a material exhibiting an optical response signature for neutrons that is different than an optical response signature for gamma rays, said material exhibiting performance comparable to or superior to stilbene in terms of distinguishing neutrons from gamma rays, wherein the material is not stilbene. Another embodiment includes a substantially pure crystal exhibiting an optical response signature for neutrons that is different than an optical response signature for gamma rays, the substantially pure crystal comprising a material selected from a group consisting of: 1-1-4-4-tetraphenyl-1-3-butadiene; 2-fluorobiphenyl-4-carboxylic acid; 4-biphenylcarboxylic acid; 9-10-diphenylanthracene; 9-phenylanthracene; 1-3-5-triphenylbenzene; m-terphenyl; bis-MSB; p-terphenyl; diphenylacetylene; 2-5-diphenyoxazole; 4-benzylbiphenyl; biphenyl; 4-methoxybiphenyl; n-phenylanthranilic acid; and 1-4-diphenyl-1-3-butadiene.Type: ApplicationFiled: April 3, 2009Publication date: October 7, 2010Inventors: Stephen A. Payne, Wolfgang Stoeffl, Natalia P. Zaitseva, Nerine J. Cherepy, M. Leslie Carman
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Publication number: 20100244665Abstract: A substituted pyrene for electroluminescent applications and a method to produce the substituted pyrenes.Type: ApplicationFiled: January 8, 2009Publication date: September 30, 2010Inventors: Norman Herron, Mark A. Guidry, Vsevolod Rostovtsev
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Publication number: 20100233761Abstract: A method of fractionating biomass, by permeability conditioning biomass suspended in a pH adjusted solution of at least one water-based polar solvent to form a conditioned biomass, intimately contacting the pH adjusted solution with at least one non-polar solvent, partitioning to obtain an non-polar solvent solution and a polar biomass solution, and recovering cell and cell derived products from the non-polar solvent solution and polar biomass solution. Products recovered from the above method. A method of operating a renewable and sustainable plant for growing and processing algae.Type: ApplicationFiled: March 10, 2010Publication date: September 16, 2010Inventors: Thomas J. Czartoski, Robert Perkins, Jorge L. Villanueva, Glenn Richards
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Publication number: 20100230666Abstract: Disclased is a polymeric compound having a constitutional unit represented by formula (1a), wherein ring A and ring B independently represent an aromatic hydrocarbon ring which may have a substituent; R1 represents a group represented by formula (2); and R2 represents an aryl group or a monovalent aromatic heterocyclic group which may be substituted by an alkyl group or the like. In formula (2), Ar1 to Ar3 independently represent an arylene group or a divalent group to which two or more arylene groups are attached via a single bond; Ar4 to Ar7 independently represent an aryl group or a monovalent aromatic heterocyclic group; R6 represents a hydrogen atom, an alkyl group, an aryl group or a monovalent aromatic heterocyclic group; Ar1 to Ar7 and R6 may be substituted by an alkyl group or the like; and k and kk independently represent an integer of 0 to 3, provided that at least one of k and kk represents an integer of 1 to 3.Type: ApplicationFiled: November 20, 2008Publication date: September 16, 2010Applicants: SUMITOMO CHEMICAL COMPANY, LIMITED, Sumation Co., Ltd.Inventors: Kazuei Ohuchi, Makoto Anryu
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Patent number: 7794854Abstract: Provided is a novel corannulene compound. The corannulene compound is represented by the following general formula (1): where X represents a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted amino group, or a substituted or unsubstituted cyano group, n represents an integer of 1 to 10, and when a number of X is two or more, X may be identical to or different from each other, or may bind to each other to form a ring.Type: GrantFiled: August 22, 2006Date of Patent: September 14, 2010Assignee: Canon Kabushiki KaishaInventors: Naoki Yamada, Kazunori Ueno, Jun Nishimura, Yukihiro Okada
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Publication number: 20100194270Abstract: A chrysene derivative shown by the following formula: wherein R1 to R10 and R21 to R25 are independently a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 10 ring carbon atoms, a substituted or unsubstituted alkylsilyl group having 3 to 20 carbon atoms, a substituted or unsubstituted arylsilyl group having 8 to 30 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 20 ring carbon atoms, provided that at least one of R21 to R25 is a substituted or unsubstituted fused aromatic ring group having 10 to 20 ring carbon atoms or a substituted or unsubstituted fluorenyl group.Type: ApplicationFiled: July 2, 2008Publication date: August 5, 2010Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Masahiro Kawamura, Kazuki Nishimura, Toshihiro Iwakuma, Kenichi Fukuoka, Chishio Hosokawa, Masakazu Funahashi, Tetsuya Inoue, Yukitoshi Jinde, Yuichiro Kawamura, Mitsunori Ito, Yoriyuki Takashima, Toshinari Ogiwara
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Publication number: 20100187505Abstract: The present invention relates to the compounds of the formula (1) and to organic electroluminescent devices, in particular blue-emitting devices, in which these compounds are used as host material or dopant in the emitting layer and/or as hole-transport material and/or as electron-transport material.Type: ApplicationFiled: April 29, 2008Publication date: July 29, 2010Inventors: Philipp Stoessel, Arne Buesing, Holger Heil
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Publication number: 20100187514Abstract: An organic thin film transistor including a substrate having thereon at least three terminals of a gate electrode, a source electrode and a drain electrode, an insulator layer and an organic semiconductor layer, with a current between a source and a drain being controlled upon application of a voltage to the gate electrode, wherein the foregoing organic semiconductor layer includes a specified organic compound having an aromatic hydrocarbon group or an aromatic heterocyclic group and an acetylene structure in the center thereof; an organic thin film light emitting transistor in which in the organic thin film transistor, light emission is obtained utilizing a current flowing between the source and the drain, and the light emission is controlled upon application of a voltage to the gate electrode; an organic thin film transistor which is made high with respect to the response speed and has a large ON/OFF ratio by a compound suitable therefor; and an organic film light emitting transistor utilizing it, and a comType: ApplicationFiled: June 18, 2008Publication date: July 29, 2010Inventors: Yuki Nakano, Masatoshi Saito, Hiroaki Nakamura, Takayoshi Kambara
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Patent number: 7763761Abstract: Asymmetric pyrene derivatives having specific structure. An organic EL device comprising at least one organic thin film layer including a light emitting layer sandwiched between a pair of electrode consisting of an anode and a cathode, wherein the organic thin film layer comprises at least one kind selected from the aforementioned asymmetric pyrene derivatives singly or as a component of mixture thereof. An organic EL device exhibiting a great efficiency of light emission and having a long lifetime, and also asymmetric pyrene derivatives for realizing the organic EL device are provided.Type: GrantFiled: November 21, 2005Date of Patent: July 27, 2010Assignee: Idemitsu Kosan Co., Ltd.Inventors: Mineyuki Kubota, Masakazu Funahashi, Chishio Hosokawa
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Patent number: 7737152Abstract: The present invention pertains to certain 6-carboaryloxy-pyrazin-2-yl-carboaryl-amines of the following formula, and pharmaceutically acceptable salts thereof, which, inter alia, inhibit RAF (e.g., B-RAF) activity, inhibit cell proliferation, treat cancer, etc., wherein Q is independently —N?; RP3 is independently a group of the formula -J1-L1-Z; -J1L1-Z is independently —NH—Z; Z is independently C6-14carboaryl and is independently unsubstituted or substituted; RP2 is independently —H; RP5 is independently a group of the formula —W—Y; W is independently —O—; Y is independently C6-14 carboaryl and is independently unsubstituted or substituted; and RP6 is independently —H. The present invention also pertains to pharmaceutical compositions comprising such compounds.Type: GrantFiled: December 22, 2005Date of Patent: June 15, 2010Assignee: The Wellcome Trust LimitedInventors: Caroline Joy Springer, Ion Niculescu-Duvaz, Esteban Roman Vela, Adrian Liam Gill, Richard David Taylor, Richard Malcolm Marais
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Patent number: 7737627Abstract: The present invention relates to an organic electroluminescent (OEL) compound that comprises at least one fluorene derivative and at least one carbazole derivative. The compound has good electrical properties, light emitting properties and charge transport ability, and thus is suitable as a host material suitable for fluorescent and phosphorescent dopants of all colors including red, green, blue, white, etc., and as a charge transport material. An OEL display device that uses an organic layer that includes the OEL compound has a high efficiency, a low voltage, a high luminance, and a long lifespan because it has superior current density.Type: GrantFiled: April 4, 2005Date of Patent: June 15, 2010Assignee: Samsung Mobile Display Co., Ltd.Inventors: Seok-Hwan Hwang, Seok-Jong Lee, Young-Kook Kim, Seung-Gak Yang, Hee-Yeon Kim
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Patent number: 7723553Abstract: A light emitting device comprising at least one compound of formula (I), (II) or (III) wherein R1 and R2, which may be the same or different, are organic substituents not including H, and wherein R3 and R5 are each independently selected from halo and organic substituents not including H, and wherein R4, R6, R7, R8, R9, and R10 are each independently selected from H, halo, and organic substituents, wherein any two or more of R1, R2, R3, R4, R5, R6, R7, R8, R9, and R10 may optionally be fused together to form a ring system, provided that one of R3 and R5 is not part of a fused ring system, and provided that R1 and R2 are not fused to each other to form a ring system, and wherein one but not both of either (a) R3 and R4, or (b) R5 and R6, are fused to each other to form a ring system.Type: GrantFiled: September 12, 2006Date of Patent: May 25, 2010Assignee: CDT Oxford LimitedInventors: Jonathan N. G. Pillow, Michael Frampton
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Patent number: 7718997Abstract: Tetrasubstituted coronenes are provided. Also provided are electronic devices in which the active layer includes a tetrasubstituted coronene.Type: GrantFiled: October 13, 2006Date of Patent: May 18, 2010Assignee: E. I. du Pont de Nemours and CompanyInventors: Alex Sergey Ionkin, Ying Wang
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Publication number: 20100108989Abstract: The present invention relates to polymers which contain novel structural units of the formula (1). The inventive materials exhibit better solubility and improved efficiency when used in a polymeric organic light-emitting diode.Type: ApplicationFiled: December 16, 2005Publication date: May 6, 2010Applicant: Merck Patent GmbHInventors: Arne Büsing, Philipp Stössel
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Patent number: 7709104Abstract: There is provided an aminoanthryl derivative-substituted pyrene compound represented by the following general formula (1). The compound is useful as a compound for an organic light-emitting device exhibiting highly pure luminescent color, and an optical output with high efficiency, high luminance, and long life.Type: GrantFiled: November 17, 2005Date of Patent: May 4, 2010Assignee: Canon Kabushiki KaishaInventors: Akihito Saitoh, Keiji Okinaka, Naoki Yamada, Masataka Yashima, Akihiro Senoo, Kazunori Ueno
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Publication number: 20100096982Abstract: Provided are novel organic electroluminescent compounds and organic electroluminescent devices and organic solar cells comprising the same. Specifically, the organic electroluminescent compounds according to the invention are characterized in that they are represented by Chemical Formula (1): wherein, R1 through R10 cannot be hydrogen all at the same time. The organic electroluminescent compounds according to the invention exhibit high luminous efficiency and excellent color purity and life property of material, so that an OLED having very good operation life can be manufactured therefrom.Type: ApplicationFiled: September 3, 2009Publication date: April 22, 2010Applicant: Gracel Display Inc.Inventors: SUNG JIN EUM, HYO JUNG LEE, YOUNG JUN CHO, HYUCK JOO KWON, BONG OK KIM, SUNG MIN KIM, SEUNG SOO YOON
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Patent number: 7700596Abstract: 3,9-diazabicyclo[3.3.1]nonane derivatives, useful as monoamine neurotransmitter re-uptake inhibitors. Also, use of these compounds in a method for therapy and in pharmaceutical compositions comprising the compounds. The 3,9-diazabicyclo[3.3.1]nonane derivatives have the formula wherein Ra and Rb are as described in the application. Also disclosed are stereoisomers and pharmaceutically acceptable salts of the compounds.Type: GrantFiled: February 9, 2007Date of Patent: April 20, 2010Assignee: Neurosearch A/SInventors: Dan Peters, John Paul Redrobe, Elsebet Østergaard Nielsen
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Publication number: 20100039027Abstract: An organic electroluminescent device including, a cathode, an anode, and at least an emitting layer and an electron transporting layer between the cathode and the anode, the emitting layer including a host compound and a fluoranthene compound, the electron transporting layer including a compound represented by (A)u-(B)v wherein A is a group containing an aromatic hydrocarbon group having 3 or more carbon rings, B is a heterocyclic group which may be substituted, and u and v are each an integer of 1 to 6.Type: ApplicationFiled: February 19, 2008Publication date: February 18, 2010Applicant: IDEMITSU KOSAN CO., LTDInventors: Yoriyuki Takashima, Masakazu Funahashi, Takashi Arakane, Yumiko Mizuki, Hiroshi Yamamoto, Chishio Hosokawa, Kiyoshi Ikeda
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Publication number: 20100025661Abstract: The subject of the present invention is to provide an emission material which contributes to high emission efficiency, low drive voltage, excellent heat resistance and long life in an organic electroluminescent device, particularly an emission material which is excellent in emission of blue color. Further, the subject is to provide an organic electroluminescent device using the above emission material. The above subjects can be achieved by an emission material represented by Formula (1) and an organic electroluminescent device comprising the same. wherein R1 to R7 are independently hydrogen, alkyl or cycloalkyl; Ar1 is one selected from the group consisting of non-condensed aryl having 6 to 50 carbon atoms, 2-naphthyl, 9-phenanthryl, 6-chrysenyl, 2-triphenylenyl, 2-fluorenyl, 9-carbazolyl, 2-thienyl and 2-benzothienyl; and Ar2 and Ar3 are independently non-condensed aryl having 6 to 50 carbon atoms, condensed aryl having 10 to 50 carbon atoms or heteroaryl having 2 to 50 carbon atoms.Type: ApplicationFiled: June 24, 2005Publication date: February 4, 2010Inventors: Guofang Wang, Manabu Uchida, Youhei Ono
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Patent number: 7655680Abstract: Thiazole compounds for inhibiting the activity of phosphodiesterase 4, the production of tumor necrosis factor alpha, and the production of interleukin 4. The compounds of the invention are represented by general formula (1): wherein A is any one of the following groups (i) and (ii): (i) —CO—B— wherein B is a C1-6 alkylene group and (ii) —CO—Ba— wherein Ba is a C2-6 alkenylene group, and include optical isomers and salts of the compounds.Type: GrantFiled: May 16, 2005Date of Patent: February 2, 2010Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Isao Takemura, Kenji Watanabe, Kunio Oshima, Nobuaki Ito, Junpei Haruta, Hidetaka Hiyama, Masatoshi Chihiro, Hideki Kawasome, Yoko Sakamoto, Hironobu Ishiyama, Takumi Sumida, Kazuhiko Fujita, Hideki Kitagaki
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Publication number: 20100016464Abstract: The invention features a dental composition containing a polycyclic aromatic compound, such as 2-ethyl 9,10-dimethoxy anthracene (EDMOA), in an amount that provides the composition with fluorescence mimicking that of natural teeth.Type: ApplicationFiled: December 21, 2007Publication date: January 21, 2010Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Bradley D. Craig, Gregory A. Kobussen
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Publication number: 20100006824Abstract: An organic nanofiber including a gelled organic semiconductor compound. Also disclosed is an organic semiconductor transistor and a method of manufacturing an organic semiconductor transistor.Type: ApplicationFiled: July 8, 2009Publication date: January 14, 2010Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jong-in HONG, Myoung-chul UM, Jung-pyo HONG, Seong-hoon LEE
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Publication number: 20100001262Abstract: Disclosed in an anthracene derivative, an organic electronic device using the anthracene derivative, and an electronic apparatus including the organic electronic device. The anthracene derivative is capable of being used as a hole injecting material, a hole transporting material, an electron injecting material, an electron transporting material, and a light emitting material in an organic electronic device including an organic light emitting device. In particular, the anthracene derivative is capable of being used alone as a light emitting material and a host or a dopant in a host/dopant system. The organic electronic device is excellent in views of efficiency, driving voltage, life time, and stability.Type: ApplicationFiled: July 25, 2007Publication date: January 7, 2010Inventors: Ji-Eun Kim, Jae-Chol Lee, Hye-Young Jang, Tae-Yoon Park, Sung-Kil Hong, Jun-Gi Jang, Jin-Kyoon Park, Hyun Nam, Kong-Kyeom Kim, Yeon-Hwan Kim
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Publication number: 20090322211Abstract: It is an object to provide a light-emitting material that does not easily deteriorate. It is another object to provide a light-emitting device having superiority in reliability. It is found that a light-emitting material that has superiority in a carrier-transporting property and does not easily deteriorate can be obtained by introducing a substituent that makes oxygen to be not easily added to an anthracene derivative. By using such a light-emitting material, a light-emitting device having superiority in reliability can be obtained.Type: ApplicationFiled: May 1, 2008Publication date: December 31, 2009Inventors: Masahiro TAKAHASHI, Sachiko KAWAKAMI
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Patent number: 7638663Abstract: An object of the present invention to provide a novel stilbene derivative having a large energy gap. In addition, it is another object of the present invention to provide a novel light emitting element material having a large energy gap which is suitable for a host material in a light emitting layer. Further in addition, it is another object of the present invention to provide a novel light emitting element material having a large energy gap and an electron transporting property. The present invention provides a stilbene derivative represented by a following general formula (3) and a light emitting element material including the stilbene derivative represented thereby: wherein, n is an integer of 0 or more and 2 or less and m is an integer of 1 or more and 2 or less.Type: GrantFiled: November 1, 2006Date of Patent: December 29, 2009Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Masakazu Egawa, Satoshi Seo
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Publication number: 20090299078Abstract: Disclosed are several different processes that can be utilized to prepare endohedral metallofullerenes with specific characteristics. Processes can be utilized to prepare monoadducts including cycloaddition of functional groups to the [6,6] double bond of a pyrene-type site of the fullerene. Also disclosed are simple, economical methods for separating fullerene isomers based upon the different oxidation potentials of the isomers.Type: ApplicationFiled: February 27, 2007Publication date: December 3, 2009Inventor: Luis Echegoyen
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Patent number: 7622619Abstract: A process for preparing a substituted or unsubstituted 9,10-diaryl anthracene including reacting a substituted or unsubstituted anthracene with a halogenating agent to yield a halogenated anthracene, and reacting the halogenated anthracene with an aryl boronic acid or a boronic ester to yield the substituted or unsubstituted 9,10-diaryl anthracene is disclosed. An electroluminescent device comprising a light-emitting layer comprising the substituted or unsubstituted 9,10-diaryl anthracene is also disclosed.Type: GrantFiled: July 20, 2005Date of Patent: November 24, 2009Assignee: LG Display Co., Ltd.Inventor: Jennifer A. Coggan
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Patent number: 7592495Abstract: Compositions including blends of Group II and/or Group III base oils and alkkylated fused and/or polyfused aromatic compositions, such as alkylated naphthalenes are provided. The use of such compositions, which exhibit excellent additive solvency, thermo-oxidative stability, hydrolytic stability, and seal swell characteristics, as lubricants is disclosed.Type: GrantFiled: July 3, 2001Date of Patent: September 22, 2009Assignee: King IndustriesInventors: Edward T. Hessell, Richard A. Abramshe, Lawrence V. Gallacher
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Patent number: 7592414Abstract: The invention provides low molecular weight or polymeric organic materials in which at least one hydrogen atom is replaced by a group of the formula (A) where R is alkyl group, alkoxyalkyl group, alkoxy group, thioalkoxy group, aryl group or alkenyl group, in each of which one or more hydrogen atoms may be replaced and one or more nonadjacent carbon atoms may be replaced. Z is —O—, —S—, —CO—, —COO—, —O—CO— or a bivalent group —(CR1R2)n— in which R1 and R2 are hydrogen, alkyl, alkoxy, alkoxyalkyl or thioalkoxy group, aryl or alkenyl, in each of which one or more hydrogen atoms may be replaced and one or more nonadjacent carbon atoms may be replaced, and n is an integer from 1 to 20. X is a bivalent group —(CR1R2)n— and, with the proviso that the number of these A groups is limited by the maximum number of available substitutable hydrogen atoms.Type: GrantFiled: August 1, 2001Date of Patent: September 22, 2009Assignee: Merck Patent GmbHInventors: Klaus Meerholz, Michael Bayerl, Florian Bielefeldt, Thomas Braig, Markus Gross, David Müller, Oskar Nuyken, Hubert Spreitzer
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Patent number: 7585574Abstract: Provided are a pyrene derivative of a specified structure and an organic electroluminescence device including an organic thin film layer formed of one or multiple layers including at least a light emitting layer, the organic thin film layer being interposed between a cathode and an anode, in which at least one layer of the organic thin film layer contains the pyrene derivative alone or as a component of mixture. Thus, there are provided an organic electroluminescence device capable of obtaining long-life blue light emission with high luminous efficiency and a novel pyrene derivative for realization thereof.Type: GrantFiled: October 29, 2007Date of Patent: September 8, 2009Assignee: Idemitsu Kosan Co., Ltd.Inventors: Mitsunori Ito, Mineyuki Kubota
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Publication number: 20090203866Abstract: The present invention relates to polymers comprising repeating unit(s) of the formula (I), and their use in electronic devices. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high charge carrier mobilities and high temperature stability of the emission color are observed, if the polymers according to the invention are used in polymer light emitting diodes (PLEDs).Type: ApplicationFiled: July 18, 2007Publication date: August 13, 2009Inventors: Thomas Schafer, Klaus Müllen, Mathieu G.R. Turbiez, Martin Baumgarten
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Publication number: 20090179196Abstract: The object is to provide a light-emitting transistor material which is high in both luminescent property and mobility when used as a light-emitting transistor device. A light-emitting transistor device is provided in which light emission of a specific pyrene-based organic compound is used for a light-emitting layer of a transistor device.Type: ApplicationFiled: March 20, 2007Publication date: July 16, 2009Inventors: Chihaya Adachi, Takahito Oyamada, Hiroyuki Uchiuzou, Seiji Akiyama, Takayoshi Takahashi, Kumiko Takenouchi, Masaki Shimizu, Tamejiro Hiyama, Etsuya Okamoto
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Patent number: 7560604Abstract: A biphenyl derivative having a specific structure and an organic electroluminescent device having a long lifetime due to comprising at least one of organic thin film layers including a light emitting layer sandwiched between a pair of electrodes consisting of an anode and a cathode, wherein the organic thin film layer contains the biphenyl derivatives, singly or as a component of a mixture are provided, and also the biphenyl derivatives particularly suitable for a light emitting material of the organic EL device of the present invention is provided.Type: GrantFiled: July 7, 2006Date of Patent: July 14, 2009Assignee: Idemitsu Kosan Co., Ltd.Inventors: Mineyuki Kubota, Mitsunori Ito, Chishio Hosokawa