Polycyclo Ring System Patents (Class 570/183)
  • Publication number: 20100260934
    Abstract: A composition comprising perfluoro-[2,2]-paracyclophane dimer compound is disclosed. The synthesis reaction of the paracyclophane dimer from 1,4-bis(chlorodifluoromethane)-2,3,5,6-tetrafluorobenzene involves heating in the presence of a metal catalyst and a solvent. A perfluorinated paraxylylene coating formed from the perfluorinated paracyclophane dimer is also disclosed.
    Type: Application
    Filed: July 27, 2009
    Publication date: October 14, 2010
    Applicant: SPECIALITY COATING SYSTEMS, INC.
    Inventors: William R. Dolbier, JR., Puhui Xie, Rakesh Kumar
  • Publication number: 20100227974
    Abstract: The present invention relates to conjugated polymers and dendrimers containing dihydrophenanthrene structural units, to processes for the preparation thereof, to the use thereof in electronic components, in particular in polymeric organic light-emitting diodes, to monomers for the preparation thereof, and to components and light-emitting diodes comprising polymers and dendrimers of this type.
    Type: Application
    Filed: July 18, 2007
    Publication date: September 9, 2010
    Inventors: Niels Schulte, René Scheurich, Junyou Pan
  • Patent number: 7781615
    Abstract: The present invention relates to a novel a process for the preparation of the compound of the general formula (I), wherein R1 and R2 are independently H or C1-6 alkyl, which comprises treating with a reducing agent either a compound of the general formula (II), wherein R1 and R2 have the meanings given for the compound of the formula (I), R3 is H or C1-4alkyl and Ph is phenyl, or a compound of the general formula (III), wherein R1, R2, R3 and Ph have the meanings given for the compound of the formula (II), the reducing agent being effective to cleave the benzyl moiety Ph-CH(R3)— from the benzylamino moiety PhCH(R3)NH— in the compound of the formula (II) or in the compound of the formula (III) to leave an amino group and, in addition, in the case of the compound of the formula (III), to reduce both the 2,3-double bond and the double bond joining the R1R2C— moiety to the 9-position of the benzonorbornene ring to single bonds.
    Type: Grant
    Filed: December 11, 2006
    Date of Patent: August 24, 2010
    Assignee: Syngenta Crop Protection, Inc.
    Inventors: Hans Tobler, Harald Walter, Camilla Corsi, Josef Ehrenfreund, Fanny Giordano, Martin Zeller
  • Publication number: 20100187505
    Abstract: 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: Application
    Filed: April 29, 2008
    Publication date: July 29, 2010
    Inventors: Philipp Stoessel, Arne Buesing, Holger Heil
  • Patent number: 7754841
    Abstract: The present invention relates to new semiconductive oligomers and polymers, a process for their manufacture and their use in thin film electronic and optical devices, such as organic light emitting diodes (OLED) and photovoltaic devices, eg. solar cells and photodetectors.
    Type: Grant
    Filed: June 22, 2004
    Date of Patent: July 13, 2010
    Assignee: Merck Patent GmbH
    Inventors: Richard O'Dell, Thomas Pounds, Paul Wallace, Carl Towns, Mary Mc Kiernan
  • Publication number: 20100157202
    Abstract: A polymer compound which is useful as a light emitting material and a charge transporting material and excellent in electron injection property, comprising as a partial structure therein a structure of the following formula (a) is provided: (wherein, a ring A and a ring B represent each independently an aromatic ring or a non-aromatic ring, and at least one of the ring A and the ring B is an aromatic ring. A ring C represents an aromatic ring. Z1 represents an atom selected from a carbon atom, oxygen atom, sulfur atom, nitrogen atom, silicon atom, boron atom, phosphorus atom and selenium atom or a group containing the atom, and Z2 to Z6 represent each independently an atom selected from a carbon atom, silicon atom, nitrogen atom and boron atom or a group containing the atom.).
    Type: Application
    Filed: November 9, 2006
    Publication date: June 24, 2010
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Shigeya Kobayashi, Satoshi Kobayashi
  • Publication number: 20100147770
    Abstract: A composition and process are described that provide for selective capture of targeted materials, including metals and chemical targets. The composition includes an activated carbon scaffold that is chemically modified to include ligands with a high affinity for selective capture of metals and chemical targets. The invention finds use, e.g., as heavy metal sorbents, as catalyst supports, in analytical applications such as ion chromatography, and in devices such as analytical instruments and chemical sensors.
    Type: Application
    Filed: December 12, 2008
    Publication date: June 17, 2010
    Inventors: Glen E. Fryxell, William D. Samuels
  • Publication number: 20100108989
    Abstract: 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: Application
    Filed: December 16, 2005
    Publication date: May 6, 2010
    Applicant: Merck Patent GmbH
    Inventors: Arne Büsing, Philipp Stössel
  • Patent number: 7691492
    Abstract: A novel substituted fluorene compound is provided which is represented by the general formula [I]:
    Type: Grant
    Filed: April 11, 2005
    Date of Patent: April 6, 2010
    Assignee: Canon Kabushiki Kaisha
    Inventors: Naoki Yamada, Akihito Saitoh, Keiji Okinaka, Koichi Suzuki, Akihiro Senoo
  • Publication number: 20100071769
    Abstract: Disclosed is a novel fluorene derivative and an organic electronic device using the same. The organic electronic device has excellent efficiency, driving voltage, and a lifespan.
    Type: Application
    Filed: December 6, 2007
    Publication date: March 25, 2010
    Inventors: Jae-Soon Bae, Dong-Hoon Lee, Dae-Woong Lee, Sung-Ku Hong, Hyun Nam, Chang-Hwan Kim
  • Patent number: 7683229
    Abstract: The present invention relates to novel truxene and isotruxene derivatives, in particular spirotruxene and spiroisotruxene derivatives, and to the use thereof in organic electronic devices, in particular organic electroluminescent devices.
    Type: Grant
    Filed: July 15, 2005
    Date of Patent: March 23, 2010
    Assignee: Merck Patent GmbH
    Inventors: Philipp Stoessel, Esther Breuning, Liliana Bagala′ Rampazzo, Giulia Fioravanti, Leonardo Mattiello
  • Patent number: 7671241
    Abstract: The invention provides a host material for organic light emitting diodes, having the general formula: wherein R1 is selected from a C1-8 alkyl group, each R2 is independently selected from a hydrogen or a C1-8 alkyl group, Ar is selected from a C5-14 aromatic or hetero aromatic group, R3 is selected from a C5-14 aromatic or hetero aromatic group, a C1-8 alkyl group, a C5-8 cycloalkyl group, a C1-8 fluoroalkyl group, or a C1-8 alkoxyl group, and n is an integer of 1-10. The host materials have a higher energy gap (greater than 4.0 eV), and high thermal stability.
    Type: Grant
    Filed: December 10, 2007
    Date of Patent: March 2, 2010
    Assignee: National Tsing Hua University
    Inventors: Chien-Hong Cheng, Jin-Ju Lin
  • Patent number: 7662442
    Abstract: The present invention was realized in order to provide a liquid crystal composition which is negative in dielectric constant anisotropy and having a large absolute value and a display element, and also to provide a compound which is negative in dielectric constant anisotropy and having a large absolute value. The present invention was realized in order to provide a trifluoronaphthalene derivative expressed by the general formula (I) a liquid crystal composition containing the above compound and a display element in which the liquid crystal composition is used. The liquid crystal composition of the present invention has features in which the dielectric constant anisotropy is great in absolute value, and a liquid crystal display element in which the liquid crystal composition is used as a constituting member is useful as a liquid crystal display element based on vertical alignment mode, IPS or others.
    Type: Grant
    Filed: February 20, 2006
    Date of Patent: February 16, 2010
    Assignee: Dainippon Ink and Chemicals, Inc.
    Inventor: Yutaka Nagashima
  • Publication number: 20100026171
    Abstract: Provided are a condensed ring aromatic compound for an organic light-emitting device, and an organic light-emitting device having optical output with high efficiency and high luminescence and having durability. An organic light-emitting device including an anode and a cathode, and a layer made of an organic compound interposed between the anode and the cathode, wherein at least one layer of the layers made of the organic compound contains a condensed ring aromatic compound shown in the following general formula [1]: wherein R1 to R16 each independently represent a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted amino group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, and may be the same or different.
    Type: Application
    Filed: March 27, 2008
    Publication date: February 4, 2010
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Chika Negishi, Akihito Saitoh, Hiroki Ohrui, Hironobu Iwawaki, Masanori Muratsubaki
  • Patent number: 7655379
    Abstract: A photoacid generator compound P+A?, comprises an antenna group P+ comprising a cation that generates protons upon interaction with light, and A? comprising a weakly coordinating peracceptor-substituted aromatic anion that does not contain fluorine or semi-metallic elements such as boron. In one embodiment, such anions comprise the following compounds 4, 5, 6 and 7, wherein E comprises an electron-withdrawing group and the removal of one proton generates aromaticity. P+ comprises an onium cation that decomposes into a proton and other components upon interaction with photons. P+ may comprise an organic chalcogen onium cation or a halonium cation, wherein the chalcogen onium cation in another embodiment may comprises an oxonium, sulfonium, selenium, tellurium, or onium cation, and the halonium cation may comprise an iodonium, chlorine or bromine onium cation. A novel compound comprises TPS CN5.
    Type: Grant
    Filed: January 8, 2008
    Date of Patent: February 2, 2010
    Assignee: International Business Machines Corporation
    Inventors: Martin Glodde, Sen Liu, Irene Y. Popova
  • Patent number: 7645910
    Abstract: Process for the obtaining of 1-adamantane (tricycle[3.3.1.1 (3,7)]decane) derivatives, or of a pharmaceutically acceptable salt thereof, based on a carboxylation reaction, via metallation, of a precursor compound with an adequate leaving group. It also comprises the preparation of the precursor compound by means of a selective coupling of the corresponding boron, magnesium or zinc derivative with the corresponding disubstitute aromatic derivative. It is especially useful for the obtaining of Adapalene at industrial scale with good yield and high purity.
    Type: Grant
    Filed: December 1, 2006
    Date of Patent: January 12, 2010
    Assignee: Finorga SAS
    Inventors: Alexander Christian Comely, Marta Marfil Sánchez, Llorenç Rafecas Jané, Xavier Verdaguer Espaulella
  • Publication number: 20090318625
    Abstract: The present invention relates to electroluminescent polymers which contain structural units of the formula (1) and to the use thereof. The polymers according to the invention exhibit improved efficiency and a longer lifetime, in particular on use in polymeric organic light-emitting diodes.
    Type: Application
    Filed: June 22, 2007
    Publication date: December 24, 2009
    Applicant: Merck Patents GmbH Patents & Scientific Information
    Inventors: Arne Büsing, Holger Heil, Aurélie Ludemann, Niels Schulte
  • Patent number: 7635792
    Abstract: Polyfluorene polymers and copolymers having substantial amounts (10-100%) of fluorenes coupled at the 2 and 5 positions of fluorene are useful as active layers in OLED devices where triplet energies >2.10 eV are required.
    Type: Grant
    Filed: October 14, 2008
    Date of Patent: December 22, 2009
    Assignee: General Electric Company
    Inventors: James Anthony Cella, Joseph John Shiang, Elliott West Shanklin, Paul Michael Smigelski
  • Patent number: 7625988
    Abstract: The present invention is directed to novel flame retardant monomers and polymers, wherein the flame retardant properties of the polymers are provided by functionality in pendant groups attached to a polymer backbone (as opposed to the polymer backbone itself possessing flame retardant properties. The present invention is also directed to methods of making such polymers and monomers, and articles of manufacture incorporating such monomers and polymers.
    Type: Grant
    Filed: June 18, 2004
    Date of Patent: December 1, 2009
    Assignee: William Marsh Rice University
    Inventors: James M. Tour, Joshua L. Jurs, Jason J. Stephenson
  • Publication number: 20090285987
    Abstract: A composition comprising perfluoro-[2,2]-paracyclophane dimer compound is disclosed. The synthesis reaction of the paracyclophane dimer from 1,4-bis(chlorodifluoromethane)-2,3,5,6-tetrafluorobenzene involves heating in the presence of a metal catalyst and a solvent. A perfluorinated paraxylylene coating formed from the perfluorinated paracyclophane dimer is also disclosed.
    Type: Application
    Filed: July 27, 2009
    Publication date: November 19, 2009
    Applicant: SPECIALITY COATING SYSTEMS, INC.
    Inventors: William R. Dolbier, JR., Puhui Xie, Rakesh Kumar
  • Patent number: 7612243
    Abstract: The present invention relates to cyclopenta[b]naphthalene derivatives to the use thereof in liquid-crystalline or mesogenic media, to liquid-crystalline or mesogenic media comprising at least one of these cyclopenta[b]naphthalene derivatives, and to electro-optical display elements containing these liquid-crystalline or mesogenic media.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: November 3, 2009
    Assignee: Merck Patent GmbH
    Inventors: Lars Lietzau, Matthias Bremer, Melanie Klasen-Memmer, Michael Heckmeier
  • Publication number: 20090261300
    Abstract: There are provided a heteroacene derivative having an excellent oxidation resistance and capable of forming a semiconductor active phase by a coating process, and an oxidation-resistant organic semiconductor material using the same, as well as an organic thin film.
    Type: Application
    Filed: August 28, 2007
    Publication date: October 22, 2009
    Applicant: TOSOH CORPORATION
    Inventor: Makoto Watanabe
  • Publication number: 20090226634
    Abstract: Methods for synthesizing 1,4-(ketone or ketal) bridged and/or 5,14-(ketone or ketal) bridged hydropentacenes useful as soluble precursors for formation of pentacene or substituted (e.g., halo) pentacenes; precursor compounds formed thereby; methods for preparing form the precursor compounds conductive thin films comprising pentacene or a substituted pentacene, and articles including such thin films are described. Also described are tetracene and anthracene derivatives which should also be useful in the formation of conductive thin films, among other uses.
    Type: Application
    Filed: March 2, 2009
    Publication date: September 10, 2009
    Applicant: ACADEMIA SINICA
    Inventors: Tahsin J. CHOW, Chung-Chih WU, Ta-Hsien CHUANG, Hsing-Hung HSIEH, Hsin-Hui HUANG
  • Publication number: 20090226759
    Abstract: The present invention relates to partly conjugated spirobifluorene polymers which are linked in the polymer via both spiro molecule halves. The materials according to the invention display a purer emission colour and a longer life than materials according to the prior art and are therefore better suited for use in polymeric organic light-emitting diodes.
    Type: Application
    Filed: December 6, 2005
    Publication date: September 10, 2009
    Applicant: Merck Patent GmbH
    Inventors: Susanne Heun, Amir Parham, Aurélie Ludemann
  • Patent number: 7575785
    Abstract: The present invention relates to cyclopenta[a]naphthalene derivatives of the general formulae I to V in which B, Z, A, n, R, X1, X1a, X1b, X2, X3, E1 and E2 are as defined in the claims, to the use thereof in liquid-crystalline media, to liquid-crystalline media comprising at least one of these cyclopenta[a]naphthalene derivatives, and to electro-optical display elements containing these liquid-crystalline media.
    Type: Grant
    Filed: August 2, 2004
    Date of Patent: August 18, 2009
    Assignee: Merck Patent GmbH
    Inventors: Lars Lietzau, Matthias Bremer, Melanie Klasen-Memmer
  • Publication number: 20090203866
    Abstract: 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: Application
    Filed: July 18, 2007
    Publication date: August 13, 2009
    Inventors: Thomas Schafer, Klaus Müllen, Mathieu G.R. Turbiez, Martin Baumgarten
  • Publication number: 20090184630
    Abstract: There are provided a condensed ring aromatic compound and an organic light-emitting device having an optical output with high efficiency and high luminance, and durability. An organic light-emitting device including: a pair of electrodes comprising an anode and a cathode of which at least one is transparent or translucent; and an organic compound layer disposed between the pair of electrodes, wherein the organic compound layer contains the condensed ring aromatic compound represented by the following formula [1].
    Type: Application
    Filed: March 27, 2008
    Publication date: July 23, 2009
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Chika Negishi, Akihito Saitoh, Hiroki Ohrui, Hironobu Iwawaki, Masanori Muratsubaki
  • Publication number: 20090174312
    Abstract: The present invention provides a novel tetraphenylnaphthalene derivative, and an organic light emitting device using the same.
    Type: Application
    Filed: March 9, 2007
    Publication date: July 9, 2009
    Inventors: Yeon-Hwan Kim, Dong-Hoon Lee, Hye-Young Jang, Sung-Kil Hong, Sung-Jin Yeo, Kong-Kyeom Kim, Dong-Seob Jeong
  • Publication number: 20090162693
    Abstract: This invention relates to electroluminescent 3,6,9,12-tetrasubstituted chrysenes that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such a chrysene composition.
    Type: Application
    Filed: December 20, 2007
    Publication date: June 25, 2009
    Inventor: Alex Sergey Ionkin
  • Publication number: 20090121623
    Abstract: A condensed polycyclic compound is represented by the following Formula [1]: wherein in Formula [1], R1 to R16 each represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 20 carbon atoms, a substituted amino group, an aryl group that may optionally have a substituent group, or a heterocyclic group that may optionally have a substituent group, provided that at least one of R1, R2, R7 and R8 is an aryl group that may optionally have a substituent group, or a heterocyclic group that may optionally have a substituent group.
    Type: Application
    Filed: October 30, 2008
    Publication date: May 14, 2009
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Masashi Hashimoto, Satoshi Igawa, Naoki Yamada, Takayuki Horiuchi
  • Patent number: 7517471
    Abstract: The present invention relates to compounds of the formula I where X1, X2, R1, R2, A1, A2, Z1, Z2, m, n and rings B and B? are as defined in claim 1.
    Type: Grant
    Filed: April 12, 2005
    Date of Patent: April 14, 2009
    Assignee: Merck Patent GmbH
    Inventors: Lars Lietzau, Matthias Bremer, Melanie Klasen-Memmer
  • Publication number: 20090092853
    Abstract: Provided are a cyclopentaphenanthrene-based compound and and an organic light emitting device employing the same. The cyclopentaphenanthrene-based compound can be easily prepared, has high thermal stability and excellent hole transporting capability, and can be efficiently used to form an organic layer, particularly, a hole transport layer.
    Type: Application
    Filed: March 21, 2008
    Publication date: April 9, 2009
    Inventors: Sang-hoon Park, O-hyun Kwon, Dai-kyu Kim, Seung-gak Yang, Yu-jin Kim
  • Patent number: 7514127
    Abstract: The present invention relates to compounds of the formula I where Y, X1, X2, X3, R1, R2, A1, A2, Z1, Z2, m and n are as defined in Claim 1, to the use thereof as components in liquid-crystalline media, and to electro-optical display elements containing the liquid-crystalline media according to the invention.
    Type: Grant
    Filed: March 18, 2005
    Date of Patent: April 7, 2009
    Assignee: Merck Patent GmbH
    Inventors: Lars Lietzau, Matthias Bremer, Melanie Klasen-Memmer
  • Publication number: 20090062570
    Abstract: The invention provides a host material for organic light emitting diodes, having the general formula: wherein R1 is selected from a C1-8 alkyl group, each R2 is independently selected from a hydrogen or a C1-8 alkyl group, Ar is selected from a C5-14 aromatic or hetero aromatic group, R3 is selected from a C5-14 aromatic or hetero aromatic group, a C1-8 alkyl group, a C5-8 cycloalkyl group, a C1-8 fluoroalkyl group, or a C1-8 alkoxyl group, and n is an integer of 1-10. The host materials have a higher energy gap (greater than 4.0 eV), and high thermal stability.
    Type: Application
    Filed: December 10, 2007
    Publication date: March 5, 2009
    Inventors: Chien-Hong Cheng, Jin-Ju Lin
  • Publication number: 20090030248
    Abstract: Disclosed is a halophenylbiadamantane derivative of following Formula (1): wherein R1, R2, R3, R4, R5, and R6 each independently represent, for example, a hydrogen atom or a halo-substituted or unsubstituted alkyl or cycloalkyl group having about six or less carbon atom(s), provided that at least one of R1 to R6 represents a substituent represented by following Formula (2): wherein X represents a halogen atom; and “n” denotes a natural number of 1 to 5, wherein when only one of R1 to R6 is a substituent of Formula (2), then at least one of R1 to R6 is a halo-substituted or unsubstituted alkyl or cycloalkyl group having about six or less carbon atom(s) or “n” is a natural number of 2 or more. The halophenylbiadamantane derivative is usable as an intermediate material for a wide variety of biadamantane derivatives.
    Type: Application
    Filed: June 26, 2008
    Publication date: January 29, 2009
    Inventors: Yasuhito Nakai, Shigehiro Maeda
  • Publication number: 20090023957
    Abstract: An object of the present invention relates to provision of a terphenylene derivative having excellent oxidation resistance and capable of forming a semiconductor active phase by a coating process and an oxidation-resistant organic semiconductor material using the sane, as well as an organic thin film. The invention relates to production of a terphenylene derivative represented by the formula (1) by tetralithiating a tetrahaloterphenyl derivative with a lithiating agent and subsequently treating the resulting compound with a copper compound: wherein R1 to R14 are the same or different and each represents a hydrogen atom, a fluorine atom, a chlorine atom, an aryl group having 4 to 30 carbon atoms, an alkynyl group having 3 to 20 carbon atoms, an alkenyl group having 2 to 30 carbon atoms, an alkyl group having 1 to 20 carbon atoms or a halogenated alkyl group having 1 to 20 carbon atoms, or a diarylamino group having 8 to carbon atoms; and l, m, and n each represents an integer of 0 or 1.
    Type: Application
    Filed: March 28, 2006
    Publication date: January 22, 2009
    Applicant: TOSOH CORPORATION
    Inventors: Makoto Watanabe, Tomokazu Ohashi, Toshihide Yamamoto
  • Publication number: 20080299294
    Abstract: The present invention discloses an anthracene compound which can be used as emitting material in organic electroluminescence devices is disclosed. The mentioned anthracene compound is represented by the following formula [I] Wherein Ar1 and Ar2 are the same or different and each is selected from a substituted or unsubstituted phenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted fluorenyl group, a substituted or unsubstituted anthryl group.
    Type: Application
    Filed: June 4, 2007
    Publication date: December 4, 2008
    Inventor: Feng-Wen Yen
  • Publication number: 20080275253
    Abstract: A practical and efficient method for halogenation of activated carbon atoms using readily available N-haloimides and a Lewis acid catalyst has been disclosed. This methodology is applicable to a range of compounds and any halogen atom can be directly introduced to the substrate. The mild reaction conditions, easy workup procedure and simple operation make this method valuable from both an environmental and preparative point of view.
    Type: Application
    Filed: February 29, 2008
    Publication date: November 6, 2008
    Inventors: Yanhua Zhang, Hisashi Yamamoto, Kazutaka Shibatomi
  • Patent number: 7399505
    Abstract: Compounds of the formula (I) are described in which M1 is, for example, —CO—O— or a single bond A1 is, for example, 1,4-phenylene, R5 has the same possible definitions specified for R1, with the exception of -M1-A1-R5, but independently of the definition of R1 G1-G2 is CH2CH2, CH?CH, CF2CF2, CF?CF, CF?CH, CH?CF X1, X2, X3, X4, X5 are each independently H or F R1, Y1, Y2 are each independently a) H b) F where Y1, R1, (R1 and Y1) or (R1 and Y2) may also have the definitions c) and/or d), but only in each case not more than one of (R1 and Y1) and of (R1 and Y2) may have the definition d) c) is, for example, a straight-chain or branched alkyl radical having from 1 to 16 carbon atoms or a straight-chain or branched alkenyl radical having from 2 to 16 carbon atoms, d) -M1-A1-R5 with the following provisos: a) at least one of X1, X2, X3, X4, X5, G1-G2 is or contains F b1) when at least one of Y1 and X1 is F and/or G1-G2 contains F, it is possible for R1, X2, X3, X4 not to be F b2) when at least one of R1,
    Type: Grant
    Filed: May 5, 2005
    Date of Patent: July 15, 2008
    Assignee: Merck Patent GmbH
    Inventors: Rainer Wingen, Barbara Hornung, Wolfgang Schmidt
  • Publication number: 20080145708
    Abstract: The present invention relates to the improvement of organic electroluminescent devices, in particular blue-emitting devices, by using compounds of the formula (1) as dopants in the emitting layer.
    Type: Application
    Filed: March 20, 2006
    Publication date: June 19, 2008
    Applicant: Merck Patent GmbH
    Inventors: Holger Heil, Philip Stoessel, Horst Vestweber, Rocco Fortte
  • Publication number: 20080124577
    Abstract: A novel organic compound and a high-performance organic light-emitting element containing the same. The organic light-emitting element contains a novel compound having a fluoranthene structure.
    Type: Application
    Filed: April 18, 2007
    Publication date: May 29, 2008
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Akihito Saitoh, Keiji Okinaka, Satoshi Igawa, Naoki Yamada, Chika Negishi, Takao Takiguchi, Shinjiro Okada
  • Publication number: 20080100207
    Abstract: Provided are a cyclopentaphenanthrene-based compound and an organoelectroluminescent device employing the same. The cyclopentaphenanthrene-based compound is easy to prepare and excellent in solubility, color purity, color stability, and thermal stability. The cyclopentaphenanthrene-based compound is useful as a material for forming an organic layer, in particular, an emitting layer, in an organoelectroluminescent device, and as an organic dye or an electronic material such as a nonlinear optical material.
    Type: Application
    Filed: July 18, 2007
    Publication date: May 1, 2008
    Inventors: Sang-Hoon Park, Yu-Jin Kim, Jhun-Mo Son
  • Publication number: 20080093987
    Abstract: A cyclopentaphenanthrene-based compound is easy to prepare and excellent in solubility, color purity, color stability, and thermal stability. The cyclopentaphenanthrene-based compound is useful as a material for forming an organic layer, in particular, an emitting layer, in an organoelectroluminescent device, and as an organic dye or an electronic material such as a nonlinear optical material.
    Type: Application
    Filed: July 18, 2007
    Publication date: April 24, 2008
    Inventors: Sang-Hoon Park, Yu-Jin Kim, O-Hyun Kwon, Byoung-Ki Choi, Jhun-Mo Son
  • Patent number: 7358406
    Abstract: This invention relates to electroluminescent fluorinated pyrene compounds. It also relates to electronic devices in which the active layer includes an electroluminescent fluorinated pyrene compound.
    Type: Grant
    Filed: April 28, 2004
    Date of Patent: April 15, 2008
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Alex Sergey Ionkin, Ying Wang
  • Publication number: 20080061287
    Abstract: The present invention provides an organic semiconductor material which exhibits a high mobility, and excellent solubility in solvents and oxidation resistance. The present invention also provides an organic semiconductor thin film exhibiting a high mobility, and an organic semiconductor device exhibiting excellent electronic characteristics. A transistor structure is formed by coating the silicon substrate with a thin film of pentacene compound substituted halogens at 6 and 13 positions and aliphatic hydrocarbons at 2, 3, 9 and 10 positions, wherein the substrate is patterned beforehand with gold to have a source and drain electrodes.
    Type: Application
    Filed: February 25, 2005
    Publication date: March 13, 2008
    Inventors: Kazuto Nagata, Yoshinori Naruta, Masatoshi Yakiyama
  • Patent number: 7318950
    Abstract: The invention relates to chiral compounds of formula (I) R1—X1-(A1-Z1)m-G-(Z2-A2)n-X2—R2, wherein R1, R2, X1, X2, A1, A2, Z1, Z2, G, m and n have the meaning given in claim 1, to liquid crystalline mixtures comprising at least one chiral compound of formula (I), to chiral linear or crosslinked liquid crystalline polymers obtainable by polymerizing a polymerizable mixture comprising at least one chiral compound of formula (I), to the use of chiral compounds of formula (I) and mixtures and polymers obtained thereof in liquid crystal displays, active and passive optical elements, adhesives, synthetic resins with anisotropic mechanical properties, cosmetic and pharmaceutical compositions, diagnostics, liquid crystal pigments, for decorative and security applications, nonlinear optics, optical information storage or as chiral dopants, and to a liquid crystal display comprising a mixture comprising at least one chiral compound of formula (I).
    Type: Grant
    Filed: June 25, 2001
    Date of Patent: January 15, 2008
    Assignee: Merck GmbH
    Inventors: Peer Kirsch, Andreas Tangerbeck, Detlef Pauluth, Joachim Krause, Michael Heckmeier, Kazuaki Tarumi
  • Patent number: 7297379
    Abstract: A compound of the formula (I) is described where R1 and R2 are defined in the specification and p=q=r=0 or 1 with p+q+r?0. The compound of formula (I) has high dielectric anisotropy, thermally stable, fast response time and high voltage holding ratio, which is used as a liquid crystal medium for the liquid-crystal displays such as ECB, in-plane-switching (IPS) and VA display mode.
    Type: Grant
    Filed: May 12, 2005
    Date of Patent: November 20, 2007
    Assignee: Merck Patent GmbH
    Inventors: Wolfgang Schmidt, Rainer Wingen, Barbara Hornung
  • Patent number: 7297378
    Abstract: Compounds of the formula (I) in which R1, R2, p, q, G and X are each as defined in the description, use of compounds of the formula (I) in liquid-crystal mixtures, liquid-crystal mixture comprising one or more compounds of the formula (I), and a liquid-crystal display comprising an inventive liquid-crystal mixture.
    Type: Grant
    Filed: April 26, 2005
    Date of Patent: November 20, 2007
    Assignee: Merck Patent GmbH
    Inventors: Wolfgang Schmidt, Rainer Wingen, Barbara Hornung
  • Patent number: 7291366
    Abstract: The present invention relates to cyclopenta[b]naphthalene derivatives of the general formula (I) in which Z, A, n, R, L5 and L8 as (II) and (III) are as defined in Claim 1, to the use thereof in liquid-crystalline or mesogenic media, to liquid-crystalline or mesogenic media comprising at least one of these cyclopenta[b]naphthalene derivatives, and to electro-optical display elements containing these liquid-crystalline or mesogenic media
    Type: Grant
    Filed: July 28, 2003
    Date of Patent: November 6, 2007
    Assignee: Merck Patent GmbH
    Inventors: Lars Lietzau, Matthias Bremer, Melanie Klasen-Memmer, Michael Heckmeier
  • Patent number: 7282246
    Abstract: Concerning the compound of the formula (I) R1, R3 are each independently, for example, H R2, R4 are each independently, for example, H X1, X2 are each independently H or F M1 is —CO—O—, —O—CO—, —CH2—O—, —O—CH2—, —CF2—O—, —O—CF2—, —CH?CH—, —CF?CF—, —C?C—, —CH2—CH2—CO—O—, —O—CO—CH2—CH2—, —CH2—CH2—, —CF2—CF2—, —(CH2)4—, —OC(?O)CF?CF— or a single bond A1 is, for example, 1,4-phenylene, and R5 has the same possible definitions as specified for R2 and R4, with the exception of —M1-A1-R5, but independently of the particular definitions of R2 and R4 with the following provisos: 1) at least one of X1, X2 has to be F 2) R1, R2, R3 and R4 must not at the same time be H 3) at most two of R1, R2, R3 and R4 may be c).
    Type: Grant
    Filed: April 4, 2005
    Date of Patent: October 16, 2007
    Assignee: Merck Patent GmbH
    Inventors: Wolfgang Schmidt, Barbara Hornung, Rainer Wingen