Additional Amino Nitrogen Containing Patents (Class 564/434)
  • Patent number: 10315995
    Abstract: Methods for deposition of elemental metal films on surfaces using metal coordination complexes comprising nitrogen-containing ligands are provided. Also provided are nitrogen-containing ligands useful in the methods of the invention and metal coordination complexes comprising these ligands.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: June 11, 2019
    Assignee: Applied Materials, Inc.
    Inventors: Jeffrey W. Anthis, David Thompson
  • Patent number: 9029603
    Abstract: A process for preparing alkylated p-phenylenediamine having the steps of reacting aniline and nitrobenzene in presence of a complex base catalyst to obtain 4-aminodiphenylamine intermediates, hydrogenating the 4-aminodiphenylamine intermediates to 4-aminodiphenylamine in presence of a hydrogenation catalyst, and reductively alkylating the 4-aminodiphenylamine to alkylated p-phenylenediamine.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: May 12, 2015
    Assignee: Jiangsu Sinorgchem Technology Co., Ltd.
    Inventors: Xiaogen Feng, Nongyue Wang, Xiaohui Mao, Ruibiao Yu, Qianwen Cheng
  • Patent number: 9012037
    Abstract: There is provided a hole transport compound having Formula I or Formula II: Ar1 is the same or different at each occurrence and can be phenylene, naphthylene, or binaphthylene. Ar2 is the same or different at each occurrence and can be phenyl, biphenyl, terphenyl, naphthyl, or binaphthyl. m and n are the same or different and are an integer greater than 0. T is the same or different at each occurrence and is a conjugated moiety including at least one triarylamino group. The T moiety is connected in a non-planar configuration.
    Type: Grant
    Filed: May 30, 2008
    Date of Patent: April 21, 2015
    Assignee: EI du Pont de Nemours and Company
    Inventors: Gary A. Johansson, Eric Maurice Smith, Daniel David Lecloux
  • Patent number: 9005775
    Abstract: A composition includes: (B) an arylamine derivative having at least one polymerizable group; and (A) a cyano group-free azo based polymerization initiator.
    Type: Grant
    Filed: September 21, 2011
    Date of Patent: April 14, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Naoyuki Hayashi, Ryo Nishio, Saki Takada
  • Patent number: 9005779
    Abstract: Disclosed are a compound comprising a five-membered hetero ring, an organic electrical element using the same and a terminal thereof.
    Type: Grant
    Filed: May 26, 2011
    Date of Patent: April 14, 2015
    Assignee: Duk San Neolux Co., Ltd.
    Inventors: Junghwan Park, Daesung Kim, Heesun Ji, Soungyun Mun, Sunhee Lee, Bumsung Lee
  • Patent number: 8999524
    Abstract: An organic light-emitting device includes a first electrode, a mixed organic layer, an emission layer, an electron transport layer, and a second electrode. The mixed organic layer contains a fluorene derivative and a pyrazine derivative, and the electron transport layer contains a lithium quinolate and a pyridine derivative.
    Type: Grant
    Filed: April 29, 2011
    Date of Patent: April 7, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Heon Kim, Tae-Shick Kim, Kwan-Hee Lee, Min-Seung Chun, Jung-Ha Son, Jae-Hyun Kwak, Mi-Kyung Kim, Choon-Woo Lim
  • Patent number: 8980443
    Abstract: Disclosed is an organic electroluminescent element which can be produced by a wet process, has improved laminated structure, and also has improved external quantum efficiency and an improved service life. The organic electroluminescent element comprises at least an anode; a cathode and a laminated structure intercalated between the anode and the cathode, all of which are arranged on a substrate, wherein the laminated structure has at least four layers formed by a wet process, and wherein the layers produced by the wet process include at least a hole injection layer, a hole transport layer and a light-emitting layer. The organic electroluminescent element is characterized in that the hole injection layer comprises an electrically conductive polymer, the hole transport layer comprises a polymeric compound having a repeating unit represented by general formula (1), and the polymeric compound has a weight average molecular weight of 50,000 to 200,000 in terms of polystyrene content.
    Type: Grant
    Filed: April 14, 2010
    Date of Patent: March 17, 2015
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Kazutoshi Murota, Toshihiko Iwasaki
  • Patent number: 8980442
    Abstract: There are provided an aromatic monoamine derivative having a fluorene structure-containing organic group and an aromatic hydrocarbon group-containing organic group, and an organic electroluminescent element containing an organic thin film layer composed of a single layer or plural layers while including at least a light emitting layer, the organic thin film layer being between a cathode and an anode, wherein at least one layer of the organic thin film layer, particularly a hole transport layer, contains the aromatic amine derivative alone or as a component of a mixture. An organic electroluminescent element which maintains high luminous efficiency even if exposed to a high temperature environment, and has a low driving voltage and a long emission lifetime, and an aromatic amine derivative capable of realizing the organic electroluminescent element are provided.
    Type: Grant
    Filed: March 18, 2010
    Date of Patent: March 17, 2015
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Nobuhiro Yabunouchi, Tomoki Kato, Takahiro Fujiyama, Yoshiyuki Totani
  • Publication number: 20150045584
    Abstract: A process for preparing 4-aminodiphenylamine (4-ADPA) comprising steps of coupling of aniline with nitrobenzene in presence of a suitable base, e.g. tetramethylammonium hydroxide (TMAH), hydrogenation of the coupling mass, phase separation, hydrogenation of azobenzene in the separated organic mass and fractional distillation for 4-ADPA recovery. An improvement in 4-ADPA recovery and a lowering of tar formation are obtained due to azobenzene reduction prior to 4-ADPA isolation. Also a gain in volume productivity of 4-ADPA is obtained by suitably altering the batch cycle time of the coupling reaction.
    Type: Application
    Filed: March 7, 2012
    Publication date: February 12, 2015
    Applicant: NOCIL LIMITED
    Inventors: Chinmoy Nandi, Narendra Gangal, Pramod Purohit, Vinay Ketkar, Dilip Kashelikar
  • Patent number: 8932735
    Abstract: An aromatic amine derivative represented by the following formula (1): wherein A1 is a substituted or unsubstituted alkyl group, a substituted or unsubstituted aromatic group, a substituted or unsubstituted heterocyclic group or an organic group represented by the following formula (2): wherein X1, X2 and X3 are independently a substituted or unsubstituted aromatic group or a substituted or unsubstituted heterocyclic group; X1 and X2 are linkage groups which are different from each other; and B1, B2 and B3 are independently a substituted or unsubstituted aromatic group or a substituted or unsubstituted heterocyclic group.
    Type: Grant
    Filed: April 22, 2010
    Date of Patent: January 13, 2015
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Yumiko Mizuki, Masakazu Funahashi
  • Publication number: 20150011795
    Abstract: The present invention relates to aromatic amine-terphenyl compounds and use thereof in organic semiconducting components.
    Type: Application
    Filed: March 12, 2013
    Publication date: January 8, 2015
    Inventors: MIke Zoellner, Sascha Dorok, Jens Wutke, Sandra Heyne
  • Publication number: 20150008372
    Abstract: A composition for forming an antistatic film, includes: an oligomer compound of Formula (1A): (where R1 is a hydrogen atom or a group of Formula (2), each of R2 and R3 is independently a hydrogen atom, a group of Formula (3), or a group of Formula (4), at least one of the plurality of Rs is a sulfo group, a and b are positive integers satisfying 2?(a+b)?6; and each of a plurality of xs is independently an integer from 0 to 4): (where n is an integer satisfying 1?n<(a+b+4); a, b, a plurality of Rs, and x are the same as those in Formula (1A); and each of a plurality of ys is independently an integer from 0 to 5); and water.
    Type: Application
    Filed: November 12, 2012
    Publication date: January 8, 2015
    Inventors: Tokio Nishita, Ryuta Mizuochi, Rikimaru Sakamoto, Tomohisa Yamada, Naoki Nakaie, Yuki Takayama
  • Patent number: 8927119
    Abstract: There is provided an organic compound having excellent characteristics, including excellent electron-injecting/transporting performance, hole blocking ability, and high stability in the thin-film state, for use as material of an organic electroluminescent device having high efficiency and high durability. There is also provided a high-efficient and high-durable organic electroluminescent device using the compound. The compound is represented by general formula (1) having a substituted anthracene ring structure and a pyridoindole ring structure. The organic electroluminescent device includes a pair of electrodes, and one or more organic layers sandwiched between the pair of electrodes, and the compound is used as a constituent material of at least one organic layer.
    Type: Grant
    Filed: July 28, 2010
    Date of Patent: January 6, 2015
    Assignee: Hodogaya Chemical Co., Ltd.
    Inventors: Norimasa Yokoyama, Shuichi Hayashi, Naoaki Kabasawa, Daizou Kanda, Shigeru Kusano
  • Publication number: 20140360523
    Abstract: The present invention relates to quinone direct dyes of formula (I) below, organic or mineral acid or base salts thereof, tautomeric forms, optical isomers or geometrical isomers thereof and/or solvates thereof: and also to the use thereof for dyeing keratin fibres, in particular human keratin fibres such as the hair. The invention also relates to a composition for dyeing keratin fibres, comprising such direct dyes in a suitable dyeing medium. Similarly, a subject of the present invention is a process for dyeing keratin fibres, using the said dye composition.
    Type: Application
    Filed: December 13, 2012
    Publication date: December 11, 2014
    Inventor: Stephane Sabelle
  • Patent number: 8906519
    Abstract: An oligoaniline compound represented by the formula (1) can provide a charge transporting thin film which shows a suppressed coloration in the visible range. Use of this thin film makes it possible to ensure a color reproducibility of a device without lowering the color purity of an electroluminescent light or a light having passed through a color filter. wherein R1 to R10 independently represent each a hydrogen atom, a halogen, etc.; m and n independently represent each an integer of 1 or more while satisfying the condition m+n?20; and X is a structure represented by any of the following formulae (4) to (10), etc.; wherein R21 to R36 independently represent each a hydrogen atom, a hydroxyl group, etc.; p and q represent each an integer of 1 or more while satisfying the conditions p?20 and q?20; and W1s independently represent each —(CR1R2)p-, —O—, —S—, etc.
    Type: Grant
    Filed: September 5, 2007
    Date of Patent: December 9, 2014
    Assignee: Nissan Chemical Industries, Ltd.
    Inventors: Taku Kato, Takuji Yoshimoto
  • Patent number: 8900728
    Abstract: It is an object of the present invention to provide a material which is excellent in a hole injecting property and a hole transporting property, and to provide a light emitting element and a light emitting device using a material which is excellent in a hole injecting property and a hole transporting property. The present invention provides a carbazole derivative represented by a general formula (1). The carbazole derivative according to the present invention is excellent in the hole injecting property. By using the carbazole derivative according to the present invention as a hole injecting material for a hole injecting layer of a light emitting element, a driving voltage can be reduced. In addition, a lower driving voltage, improvement of the luminous efficiency, a longer life time, and higher reliability can be realized by applying the material to a light emitting element or a light emitting device.
    Type: Grant
    Filed: April 18, 2013
    Date of Patent: December 2, 2014
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Harue Nakashima, Sachiko Kawakami, Daisuke Kumaki
  • Patent number: 8889265
    Abstract: A copolymer having two or more repeating units selected from the group consisting of arylene groups, divalent heterocyclic groups and divalent aromatic amine groups wherein the copolymer has, on at least one of molecular chain ends, a monovalent heterocyclic group, a monovalent group derived from a heterocyclic group coordinated metal complex, and an aromatic end group selected from aryl groups having a formula weight of 90 or more, and the copolymer shows fluorescence in the solid state and has a polystyrene-reduced weight-average molecular weight of 103 to 108.
    Type: Grant
    Filed: July 18, 2003
    Date of Patent: November 18, 2014
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tomoyuki Suzuki, Takanobu Noguchi, Chizu Sekine
  • Patent number: 8877356
    Abstract: The invention provides an OLED device including an anode, a cathode and a yellow light-emitting layer located therebetween, the light-emitting layer comprising a 9,10-diarylanthracene host; a yellow light-emitting 5,6,11,12-tetraphenyltetracene derivative where as least 1 of the phenyl groups is further substituted and a non-light-emitting diarylamine substituted 9,10-diarylsubstituted anthracene stabuilizer. Devices of the invention provide improvement in features such as stability and efficiency while maintaining excellent color.
    Type: Grant
    Filed: July 22, 2009
    Date of Patent: November 4, 2014
    Assignee: Global OLED Technology LLC
    Inventors: Jeffrey P. Spindler, Tukaram K. Hatwar
  • Patent number: 8877355
    Abstract: The present invention provides an organic electroluminescent device exhibiting a long life, a high luminance, and a high efficiency. An organic electroluminescent device comprising on a substrate an anode, a hole transport layer, an organic light-emitting layer, and a cathode, wherein the organic light-emitting layer contains an organic compound having a pyridine ring, a pyrazine ring, or a triazine ring as a partial structure and the hole transport layer contains a monoamine compound represented by the following formula (I): wherein R1 to R9 represent a hydrogen atom, an aryl group, or an alkyl group; R1 to R9 may be the same or different from each other; and R1 to R9 may further have an aryl group or an alkyl group as a substituent in the case where R1 to R9 are an aryl group or an alkyl group.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: November 4, 2014
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Masayoshi Yabe, Masayo Fugono, Koichiro Iida, Masako Takeuchi, Tomoyuki Ogata
  • Patent number: 8859113
    Abstract: The present invention relates to novel carbazole derivatives and an organic light-emitting diode device using the same. These carbazole derivatives can simultaneously or singly be used as a hole transporting layer, a host or guest of an emitting layer or an electron transporting layer of an organic light-emitting diode device.
    Type: Grant
    Filed: October 8, 2013
    Date of Patent: October 14, 2014
    Assignee: China Petrochemical Development Corporation
    Inventors: Hsian Chan Liu, Min Sheng Chen, Chin Yi Lee
  • Patent number: 8852758
    Abstract: Novel aromatic amine compounds are provided. Light-emitting elements having high emission efficiency and high reliability are provided. Further, light-emitting devices and electronic devices using the light-emitting devices are provided. Specifically, an aromatic amine compound represented by the general formula (1), and light-emitting elements, light-emitting devices and electronic devices that are formed using the aromatic amine compound represented by the general formula (1) are provided. By using the aromatic amine compound represented by the general formula (1) for light-emitting elements, light-emitting devices and electronic devices, the light-emitting elements, light-emitting devices and electronic devices can have high emission efficiency.
    Type: Grant
    Filed: November 20, 2012
    Date of Patent: October 7, 2014
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hiroko Nomura, Sachiko Kawakami, Takahiro Ushikubo, Harue Osaka, Satoshi Seo
  • Patent number: 8846214
    Abstract: An amine derivative represented by the following general formula (1) and exhibiting a temperature difference of 30° C. or more as defined by the difference of [decomposition temperature (° C.) minus sublimation temperature (° C.)]: wherein R1 and R2 independently represent a substituted or unsubstituted C6-40 aryl or C5-40 heteroaryl group; and R3 and R4 independently represent a hydrogen atom, a straight-chain, branched or cyclic C1-18 alkyl or C1-18 alkoxy group, or a substituted or unsubstituted C6-40 aryl or C5-40 heteroaryl group, provided that R3 and R4 may form together a cyclic hydrocarbon group. The amine derivative is useful as an organic electroluminescent material.
    Type: Grant
    Filed: June 2, 2010
    Date of Patent: September 30, 2014
    Assignee: Tosoh Corporation
    Inventors: Shinichi Ishikawa, Naoki Matsumoto, Takanori Miyazaki, Yasushi Hara
  • Patent number: 8846215
    Abstract: The present invention provides an organic light emitting diode comprising a first electrode, a second electrode and an organic material layer of one or more layers disposed between the first electrode and the second electrode, in which the organic material layer comprises a light emitting layer, an organic material layer comprising the compound represented by Formula 1 is comprised between the first electrode and the light emitting layer, and the light emitting layer comprises a host comprising the compound represented by Formula 1 and a dopant.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: September 30, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Minseung Chun, Jungi Jang, Sang Young Jeon, Seong So Kim, Chang Hwan Kim, Hyungjin Lee, Sung Kil Hong, Kongkyeom Kim, Yun Hwan Kim, Tae Yoon Park, Jungoh Huh, Seongmi Cho
  • Patent number: 8835020
    Abstract: A blue fluorescent compound includes a host material being capable of transporting an electron or a hole; and a dopant material represented by following Formula 1: wherein at least two of the R1, the R2, the R3, and the R4 are selected from substituted or non-substituted aromatic group or substituted or non-substituted heterocyclic group, and the R5 is selected from substituted or non-substituted aromatic group or substituted or non-substituted heterocyclic group.
    Type: Grant
    Filed: December 1, 2009
    Date of Patent: September 16, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Seung-Jae Lee, In-Bum Song, Jung-Keun Kim, Do-Han Kim, Chun-Gun Park, Hyoung-Yun Oh, Jong-Kwan Bin, Kyung-Hoon Lee, Hyun-Cheol Jeong, Dong-Hee Yoo, Nam-Sung Cho, Jong-Hyun Park, In-Sun Yoo, Tae-Han Park, Soon-Wook Cha
  • Patent number: 8828559
    Abstract: A heterocyclic compound represented by Formula 1A and an organic light-emitting device including the heterocyclic compound: at least one of R1 to R13 is a group represented by Formula 1B below: wherein R1 to R15, Ar1, Ar2, A, B, a, and b are defined as in the specification. The organic light-emitting device may include an organic layer containing the heterocyclic compound, and thus may have a low driving voltage, a high-emission efficiency, and long lifespan characteristics.
    Type: Grant
    Filed: April 12, 2012
    Date of Patent: September 9, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hye-Jin Jung, Seok-Hwan Hwang, Young-Kook Kim, Jin-O Lim, Sang-Hyun Han, Soo-Yon Kim, Dae-Yup Shin
  • Patent number: 8815414
    Abstract: A polymer compound having a repeating unit of the following formula (1): (wherein, R1 represents a substituent, Q1 and Q2 represent a group containing a benzocyclobutane structure, a represents an integer of 0 to 3. When there exist a plurality of R1s, these may be the same or different).
    Type: Grant
    Filed: September 20, 2007
    Date of Patent: August 26, 2014
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Shigeya Kobayashi, Hidenobu Kakimoto
  • Patent number: 8815410
    Abstract: It is an object of the present invention to provide a light emitting element, which is resistant to repetition of an oxidation reaction. It is another object of the invention to provide a light emitting element, which is resistant to repetition of a reduction reaction. An anthracene derivative is represented by a general formula (1). In the general formula (1), R1 represents hydrogen or an alkyl group having 1 to 4 carbon atoms, R2 represents any one of hydrogen, an alkyl group having 1 to 4 carbon atoms and an aryl group having 6 to 12 carbon atoms, R3 represents any one of hydrogen, an alkyl group having 1 to 4 carbon atoms, and an aryl group having 6 to 12 carbon atoms, Ph1 represents a phenyl group, and X1 represents an arylene group having 6 to 15 carbon atoms.
    Type: Grant
    Filed: December 26, 2005
    Date of Patent: August 26, 2014
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Harue Nakashima, Sachiko Kawakami, Kumi Kojima, Ryoji Nomura, Nobuharu Ohsawa
  • Publication number: 20140231715
    Abstract: The present invention relates to a compound of the formula (I), to the use of this compound in an electronic device, and to an electronic device comprising one or more compounds of the formula (I). The invention furthermore relates to the preparation of the compound of the formula (I) and to a formulation comprising one or more compounds of the formula (I).
    Type: Application
    Filed: March 23, 2012
    Publication date: August 21, 2014
    Applicant: Merck Patent GmbH Patents & Scientific Information
    Inventors: Philipp Stoessel, Arne Buesing, Frank Voges, Christof Pflumm, Amir Hossain Parham, Thomas Eberle, Teresa Mujica-Fernaud
  • Publication number: 20140225097
    Abstract: A novel stilbene derivative is provided with motivation of providing a blue emissive material showing excellent color purity. The use of the stilbene derivative of the present invention allows the fabrication of a blue-emissive light-emitting element with excellent color purity. The invention also includes an electronic device equipped with a display portion in which the stilbene derivative is employed. The stilbene derivative of the present invention is represented by formula (1), in which Ar1 and Ar2 may form a 5-membered ring by being directly bonded to each other. In formula (1), A11 represents any one of substituents represented by general formulas (1-1) to (1-3). The variables shown in formula (1) and (1-1) to (1-3) are as defined in the specification.
    Type: Application
    Filed: April 16, 2014
    Publication date: August 14, 2014
    Applicant: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Masakazu Egawa, Harue OSAKA, Sachiko KAWAKAMI, Nobuharu OHSAWA, Satoshi SEO, Ryoji NOMURA
  • Patent number: 8796490
    Abstract: A production method of a triarylamine compound including: producing a particular triarylamine compound by performing a reaction between a specific halogenated triarylamine compound and a specific olefin in the presence of palladium and alkylphosphine.
    Type: Grant
    Filed: April 28, 2010
    Date of Patent: August 5, 2014
    Assignee: Fujifilm Corporation
    Inventors: Kazunari Yagi, Kazumi Nii
  • Patent number: 8785001
    Abstract: The present invention relates to mixtures of organic materials, to the use of these mixtures in organic electroluminescent devices, and to organic electroluminescent devices comprising these mixtures.
    Type: Grant
    Filed: November 17, 2006
    Date of Patent: July 22, 2014
    Assignee: Merck Patent GmbH
    Inventors: Horst Vestweber, Philipp Stoessel, Holger Heil
  • Patent number: 8785007
    Abstract: The present invention provides green and red conversion films capable of keeping a sufficient intensity of converted light over a long period, and a multicolor emission organic EL device which exhibits light-emitting properties stably over a long period. The present invention includes a pendant-type polymeric compound characterized in that the pendant-type polymeric compound contains at least one repeating unit represented by a general formula (1) and at least one repeating unit represented by a general formula (2), (6) or (7), wherein n/(m+n)=1/100 to 100/100 provided that the molar ratio of (1):(2), (6) or (7) is m:n.
    Type: Grant
    Filed: September 10, 2010
    Date of Patent: July 22, 2014
    Assignee: Adeka Corporation
    Inventors: Masaru Nagai, Mitsuhiro Okada, Koichi Shigeno
  • Patent number: 8771841
    Abstract: A problem of the invention is to provide an organic EL device having a high efficiency, a low driving voltage and a long life, by combining various materials for organic EL device, which are excellent in an injection or transportation performance of holes or electrons, and in stability and durability in a thin film, so as to enable the respective materials to effectively reveal their characteristics. The invention relates to an organic electroluminescent device including at least an anode electrode, a hole-injecting layer, a hole-transporting layer, an emitting layer, an electron-transporting layer and a cathode electrode in this order, in which the hole-injecting layer contains an arylamine compound having, in its molecule, a structure in which three or more triphenylamine structures are connected through a single bond or a hetero atom-free divalent group; and the hole-transporting layer contains an arylamine compound having two triphenylamine structures in its molecule.
    Type: Grant
    Filed: May 15, 2009
    Date of Patent: July 8, 2014
    Assignee: Hodogaya Chemical Co., Ltd.
    Inventors: Norimasa Yokoyama, Shigeru Kusano, Shuichi Hayashi
  • Patent number: 8763660
    Abstract: Tire belt comprising a rubber composition based on at least one isoprene elastomer, a reinforcing filler, a crosslinking system and an antioxidant agent, characterized in that said antioxidant agent comprises a 4,4?-bis(alkylamino)triphenylamine corresponding to the formula (I): in which R1 and R2, which are identical or different, each represent a linear or branched alkyl group having from 1 to 12 carbon atoms or a cycloalkyl group having from 5 to 8 carbon atoms. Such an antioxidant gives the belt of the invention a better long-term resistance to fatigue and to crack propagation.
    Type: Grant
    Filed: April 20, 2007
    Date of Patent: July 1, 2014
    Assignee: Michelin Recherche et Technique S.A.
    Inventors: Jose Carlos Araujo Da Silva, Pierre-Antoine Niore, Arnaud Remy
  • Publication number: 20140179016
    Abstract: The present invention provides a reagent for measuring a degree of oxidative stress that includes a compound represented by the following general formula (I) or a salt thereof, and a method of measuring a degree of oxidative stress using the reagent for measuring a degree of oxidative stress. In the general formula (I), R1, R2, R3 and R4 each independently represent a hydrogen atom, an ethyl group, an isopropyl group, a hydroxyalkyl group that has 1 to 4 carbon atoms, or a phenyl group, and at least one of R1, R2, R3 or R4 represents an isopropyl group, a hydroxyalkyl group having 1 to 4 carbon atoms, or a phenyl group.
    Type: Application
    Filed: December 22, 2013
    Publication date: June 26, 2014
    Applicant: ARKRAY, INC.
    Inventors: Kazuhiro Omiya, Toshihiro Imai, Emi Ashibe
  • Patent number: 8741449
    Abstract: An anthracene derivative represented by the general formula (G1) is provided. The anthracene derivative represented by the general formula (G1) is a novel anthracene derivative having a wide band gap. Further, the anthracene derivative has a large energy gap and can be very suitably used as a material for a light-emitting element which exhibits blue light emission.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: June 3, 2014
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Sachiko Kawakami, Nobuharu Ohsawa, Satoshi Seo
  • Patent number: 8741446
    Abstract: Organic compounds and organic electroluminescent devices employing the same are provided.
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: June 3, 2014
    Assignee: Industrial Technology Research Institute
    Inventors: Jin-Sheng Lin, Meng-Ting Lee, Heh-Lung Huang
  • Publication number: 20140130870
    Abstract: Triarylamine compounds of formula I and methods of using them as hole conducting materials in solar cells. Solar cells that contain these materials.
    Type: Application
    Filed: October 25, 2013
    Publication date: May 15, 2014
    Applicant: BASF SE
    Inventor: Hermann BERGMANN
  • Patent number: 8716697
    Abstract: The present disclosure relates to electronic devices comprising at least one layer comprising novel cross-linkable polymers. The compounds can function as monomers, and copolymers can be formed from such monomers, such copolymers comprising, as polymerized units, a plurality of units of the compounds. The compositions are especially useful when incorporated into charge transport layers and light-emitting layers of a wide variety of electronic devices.
    Type: Grant
    Filed: December 28, 2007
    Date of Patent: May 6, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventors: Norman Herron, Gary A. Johansson, Nora Sabina Radu
  • Patent number: 8704215
    Abstract: A novel stilbene derivative is provided with motivation of providing a blue emissive material showing excellent color purity. The use of the stilbene derivative of the present invention allows the fabrication of a blue-emissive light-emitting element with excellent color purity. The invention also includes an electronic device equipped with a display portion in which the stilbene derivative is employed. The stilbene derivative of the present invention is represented by formula (1), in which Ar1 and Ar2 may form a 5-membered ring by being directly bonded to each other. In formula (1), A11 represents any one of substituents represented by general formulas (1-1) to (1-3). The variables shown in formula (1) and (1-1) to (1-3) are as defined in the specification.
    Type: Grant
    Filed: March 10, 2012
    Date of Patent: April 22, 2014
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Masakazu Egawa, Harue Osaka, Sachiko Kawakami, Nobuharu Ohsawa, Satoshi Seo, Ryoji Nomura
  • Publication number: 20140083853
    Abstract: An electrode for use in a electrochemical sensor comprises carbon modified with a chemically sensitive redox-active compound, excluding an electrode based on carbon having derivatised thereron two redox-active species wherein at least one of said species is selected from anthraquinone, phenanthrenequinone and N,N?-diphenyl-p-phenylenediamine (DPPD). The invention further provides a pH sensor comprising: a working electrode comprising carbon modified with a chemically sensitive redox active material; and a counter electrode, wherein the ratio of the surface area of the working electrode to the surface area of the counter electrode is from 1:10 to 10:1. Also provided is a pH sensor comprising: a working electrode comprising carbon modified with a chemically sensitive redox active material, and a counter electrode, wherein the area of the working electrode is from 500 ?m2 to 0.1 m2. The uses of these electrodes and sensors are also described.
    Type: Application
    Filed: September 23, 2013
    Publication date: March 27, 2014
    Applicant: ISIS INNOVATION LTD.
    Inventors: Sean P. McCormack, Richard G. Compton, Gregory George Wildgoose, Nathan Scott Lawrence
  • Patent number: 8679648
    Abstract: A heterocyclic compound represented by Formula 1 below and an organic light-emitting diode (OLED) including the same: wherein R1 through R12, Ar1, Ar2, A, B, a, and b are the same as defined above. An OLED including an organic layer including the heterocyclic compound has low driving voltage, high luminous efficiency, and a long lifetime.
    Type: Grant
    Filed: January 9, 2012
    Date of Patent: March 25, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Hyun Han, Seok-Hwan Hwang, Young-Kook Kim, Hye-Jin Jung, Jin-O Lim, Soo-Yon Kim, Il-Soo Oh, Jong-Hyuk Lee
  • Patent number: 8679644
    Abstract: The present invention relates to polymers which contain certain triarylamine units of the Formula (1) The materials according to the invention exhibit a longer lifetime than materials in accordance with the prior art and therefore more suitable for use in polymeric organic light-emitting diodes.
    Type: Grant
    Filed: April 26, 2005
    Date of Patent: March 25, 2014
    Assignee: Merck Patent GmbH
    Inventors: Amir Parham, Susanne Heun, Aurélie Ludemann, Arne Buesing, Junyou Pan, Heinrich Becker
  • Patent number: 8673460
    Abstract: The present invention relates to a novel heterocyclic derivative and an organic light emitting device using the compound, and the heterocyclic derivative may largely improve a life span, efficiency, electrochemical stability and thermal stability of the organic light emitting device.
    Type: Grant
    Filed: September 10, 2010
    Date of Patent: March 18, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Ji-Eun Kim, Kong-Kyeom Kim, Se-Hwan Son, Jun-Gi Jang
  • Patent number: 8652655
    Abstract: A compound having Formula I, Formula II, or Formula III: Ar1 may independently be phenylene, substituted phenylene, naphthylene, or substituted naphthylene. Ar2 is the same or different at each occurrence and is an aryl group. M is the same or different at each occurrence and is a conjugated moiety. T1 and T2 are independently the same or different at each occurrence and are conjugated moieties which are connected in a non-planar configuration.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: February 18, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventors: Gary A. Johansson, Eric Maurice Smith, Reid John Chesterfield, Michael Henry Howard, Jr., Kyung-Ho Park, Nora Sabina Radu, Gene M. Rossi, Frederick P. Gentry, Troy C. Gehret, Daniel David Lecloux, Adam Fennimore
  • Publication number: 20140042411
    Abstract: Provided is a method for purifying an organic material having a 10% weight reduction temperature of 250° C. or more as measured by thermogravimetry at a vacuum degree of 1×10?2 Pa or less, which may sublime and purify the organic material having high heat resistance at high sublimation temperature with high purity and high yield in a short period of time, in which the organic material is subjected sublimation purification after a concentration of inorganic impurities in the organic material is adjusted to 5,000 ppm or less.
    Type: Application
    Filed: October 7, 2013
    Publication date: February 13, 2014
    Applicant: FUJIFILM CORPORATION
    Inventor: Eiji FUKUZAKI
  • Publication number: 20140039221
    Abstract: A problem of the invention is to provide an organic EL device having a high efficiency, a low driving voltage and a long life, by combining various materials for organic EL device, which are excellent in an injection or transportation performance of holes or electrons, and in stability and durability in a thin film, so as to enable the respective materials to effectively reveal their characteristics. The invention relates to an organic electroluminescent device including at least an anode electrode, a hole-injecting layer, a hole-transporting layer, an emitting layer, an electron-transporting layer and a cathode electrode in this order, in which the hole-injecting layer contains an arylamine compound having, in its molecule, a structure in which three or more triphenylamine structures are connected through a single bond or a hetero atom-free divalent group; and the hole-transporting layer contains an arylamine compound having two triphenylamine structures in its molecule.
    Type: Application
    Filed: October 2, 2013
    Publication date: February 6, 2014
    Applicant: Hodogaya Chemical Co., Ltd.
    Inventors: Norimasa YOKOYAMA, Shigeru Kusano, Shuichi Hayashi
  • Patent number: 8642188
    Abstract: In OLEDs, improved efficiency is obtained by using compounds of formula [Ar](CH?CH—R1)n wherein n is an integer from 1 to 4; [Ar] is a polycyclic aromatic or heteroaromatic scaffold optionally substituted with one or more alkyl or alkoxy groups; and R1 is a 5-membered heteroaryl group optionally substituted with methyl, methoxy, aryl or heteroaryl, or is phenyl or naphthyl optionally substituted with methyl, methoxy, trifluoromethyl or cyano or is biphenyl or substituted biphenyl. The compounds are believed to be novel and can be made by condensing a compound of formula wherein [Ar] and n are as defined above with a compound of formula [Ar](CH3)nR1CHO in the presence of an acid catalyst e.g. an anhydride of an organic acid.
    Type: Grant
    Filed: December 19, 2007
    Date of Patent: February 4, 2014
    Assignee: Merck Patent GmbH
    Inventors: Poopathy Kathirgamanathan, Sivagnanasundram Surendrakumar
  • Patent number: 8637168
    Abstract: The present invention relates to aromatic amines and to electronic devices in which these amines are used, in particular, as matrix material in the emitting layer and/or as hole-transport material and/or as electron-blocking or exciton-blocking material and/or as electron-transport material.
    Type: Grant
    Filed: September 10, 2009
    Date of Patent: January 28, 2014
    Assignee: Merck Patent GmbH
    Inventors: Philipp Stoessel, Holger Heil, Dominik Joosten, Christof Pflumm, Anja Gerhard
  • Patent number: 8632892
    Abstract: An object of the present invention is to provide an organic electronic material that can be easily formed into a multilayer structure. A further object of the present invention is to provide an organic electronic device and an organic EL device that exhibit a better emission efficiency and a better emission lifetime than heretofore achieved. In order to achieve these objects, an organic electronic material is provided, the material includes a polymer or oligomer that has at least one polymerizable substituent and a hole-transporting repeat unit.
    Type: Grant
    Filed: July 17, 2007
    Date of Patent: January 21, 2014
    Assignee: Hitachi Chemical Co., Ltd.
    Inventors: Yousuke Hoshi, Shigeaki Funyuu, Yoshii Morishita