Polycyclo Ring System Patents (Class 570/183)
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Publication number: 20100260934Abstract: 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: ApplicationFiled: July 27, 2009Publication date: October 14, 2010Applicant: SPECIALITY COATING SYSTEMS, INC.Inventors: William R. Dolbier, JR., Puhui Xie, Rakesh Kumar
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Publication number: 20100227974Abstract: 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: ApplicationFiled: July 18, 2007Publication date: September 9, 2010Inventors: Niels Schulte, René Scheurich, Junyou Pan
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Patent number: 7781615Abstract: 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: GrantFiled: December 11, 2006Date of Patent: August 24, 2010Assignee: Syngenta Crop Protection, Inc.Inventors: Hans Tobler, Harald Walter, Camilla Corsi, Josef Ehrenfreund, Fanny Giordano, Martin Zeller
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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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Patent number: 7754841Abstract: 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: GrantFiled: June 22, 2004Date of Patent: July 13, 2010Assignee: Merck Patent GmbHInventors: Richard O'Dell, Thomas Pounds, Paul Wallace, Carl Towns, Mary Mc Kiernan
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Publication number: 20100157202Abstract: 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: ApplicationFiled: November 9, 2006Publication date: June 24, 2010Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Shigeya Kobayashi, Satoshi Kobayashi
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Publication number: 20100147770Abstract: 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: ApplicationFiled: December 12, 2008Publication date: June 17, 2010Inventors: Glen E. Fryxell, William D. Samuels
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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: 7691492Abstract: A novel substituted fluorene compound is provided which is represented by the general formula [I]:Type: GrantFiled: April 11, 2005Date of Patent: April 6, 2010Assignee: Canon Kabushiki KaishaInventors: Naoki Yamada, Akihito Saitoh, Keiji Okinaka, Koichi Suzuki, Akihiro Senoo
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Publication number: 20100071769Abstract: 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: ApplicationFiled: December 6, 2007Publication date: March 25, 2010Inventors: Jae-Soon Bae, Dong-Hoon Lee, Dae-Woong Lee, Sung-Ku Hong, Hyun Nam, Chang-Hwan Kim
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Patent number: 7683229Abstract: 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: GrantFiled: July 15, 2005Date of Patent: March 23, 2010Assignee: Merck Patent GmbHInventors: Philipp Stoessel, Esther Breuning, Liliana Bagala′ Rampazzo, Giulia Fioravanti, Leonardo Mattiello
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Patent number: 7671241Abstract: 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: GrantFiled: December 10, 2007Date of Patent: March 2, 2010Assignee: National Tsing Hua UniversityInventors: Chien-Hong Cheng, Jin-Ju Lin
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Patent number: 7662442Abstract: 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: GrantFiled: February 20, 2006Date of Patent: February 16, 2010Assignee: Dainippon Ink and Chemicals, Inc.Inventor: Yutaka Nagashima
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Publication number: 20100026171Abstract: 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: ApplicationFiled: March 27, 2008Publication date: February 4, 2010Applicant: CANON KABUSHIKI KAISHAInventors: Chika Negishi, Akihito Saitoh, Hiroki Ohrui, Hironobu Iwawaki, Masanori Muratsubaki
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Patent number: 7655379Abstract: 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: GrantFiled: January 8, 2008Date of Patent: February 2, 2010Assignee: International Business Machines CorporationInventors: Martin Glodde, Sen Liu, Irene Y. Popova
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Patent number: 7645910Abstract: 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: GrantFiled: December 1, 2006Date of Patent: January 12, 2010Assignee: Finorga SASInventors: Alexander Christian Comely, Marta Marfil Sánchez, Llorenç Rafecas Jané, Xavier Verdaguer Espaulella
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Publication number: 20090318625Abstract: 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: ApplicationFiled: June 22, 2007Publication date: December 24, 2009Applicant: Merck Patents GmbH Patents & Scientific InformationInventors: Arne Büsing, Holger Heil, Aurélie Ludemann, Niels Schulte
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Patent number: 7635792Abstract: 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: GrantFiled: October 14, 2008Date of Patent: December 22, 2009Assignee: General Electric CompanyInventors: James Anthony Cella, Joseph John Shiang, Elliott West Shanklin, Paul Michael Smigelski
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Patent number: 7625988Abstract: 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: GrantFiled: June 18, 2004Date of Patent: December 1, 2009Assignee: William Marsh Rice UniversityInventors: James M. Tour, Joshua L. Jurs, Jason J. Stephenson
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Publication number: 20090285987Abstract: 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: ApplicationFiled: July 27, 2009Publication date: November 19, 2009Applicant: SPECIALITY COATING SYSTEMS, INC.Inventors: William R. Dolbier, JR., Puhui Xie, Rakesh Kumar
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Patent number: 7612243Abstract: 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: GrantFiled: October 31, 2007Date of Patent: November 3, 2009Assignee: Merck Patent GmbHInventors: Lars Lietzau, Matthias Bremer, Melanie Klasen-Memmer, Michael Heckmeier
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Publication number: 20090261300Abstract: 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: ApplicationFiled: August 28, 2007Publication date: October 22, 2009Applicant: TOSOH CORPORATIONInventor: Makoto Watanabe
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Publication number: 20090226634Abstract: 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: ApplicationFiled: March 2, 2009Publication date: September 10, 2009Applicant: ACADEMIA SINICAInventors: Tahsin J. CHOW, Chung-Chih WU, Ta-Hsien CHUANG, Hsing-Hung HSIEH, Hsin-Hui HUANG
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Publication number: 20090226759Abstract: 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: ApplicationFiled: December 6, 2005Publication date: September 10, 2009Applicant: Merck Patent GmbHInventors: Susanne Heun, Amir Parham, Aurélie Ludemann
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Patent number: 7575785Abstract: 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: GrantFiled: August 2, 2004Date of Patent: August 18, 2009Assignee: Merck Patent GmbHInventors: Lars Lietzau, Matthias Bremer, Melanie Klasen-Memmer
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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: 20090184630Abstract: 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: ApplicationFiled: March 27, 2008Publication date: July 23, 2009Applicant: CANON KABUSHIKI KAISHAInventors: Chika Negishi, Akihito Saitoh, Hiroki Ohrui, Hironobu Iwawaki, Masanori Muratsubaki
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Publication number: 20090174312Abstract: The present invention provides a novel tetraphenylnaphthalene derivative, and an organic light emitting device using the same.Type: ApplicationFiled: March 9, 2007Publication date: July 9, 2009Inventors: Yeon-Hwan Kim, Dong-Hoon Lee, Hye-Young Jang, Sung-Kil Hong, Sung-Jin Yeo, Kong-Kyeom Kim, Dong-Seob Jeong
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Publication number: 20090162693Abstract: 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: ApplicationFiled: December 20, 2007Publication date: June 25, 2009Inventor: Alex Sergey Ionkin
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Publication number: 20090121623Abstract: 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: ApplicationFiled: October 30, 2008Publication date: May 14, 2009Applicant: CANON KABUSHIKI KAISHAInventors: Masashi Hashimoto, Satoshi Igawa, Naoki Yamada, Takayuki Horiuchi
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Patent number: 7517471Abstract: 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: GrantFiled: April 12, 2005Date of Patent: April 14, 2009Assignee: Merck Patent GmbHInventors: Lars Lietzau, Matthias Bremer, Melanie Klasen-Memmer
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Publication number: 20090092853Abstract: 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: ApplicationFiled: March 21, 2008Publication date: April 9, 2009Inventors: Sang-hoon Park, O-hyun Kwon, Dai-kyu Kim, Seung-gak Yang, Yu-jin Kim
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Patent number: 7514127Abstract: 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: GrantFiled: March 18, 2005Date of Patent: April 7, 2009Assignee: Merck Patent GmbHInventors: Lars Lietzau, Matthias Bremer, Melanie Klasen-Memmer
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Publication number: 20090062570Abstract: 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: ApplicationFiled: December 10, 2007Publication date: March 5, 2009Inventors: Chien-Hong Cheng, Jin-Ju Lin
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Publication number: 20090030248Abstract: 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: ApplicationFiled: June 26, 2008Publication date: January 29, 2009Inventors: Yasuhito Nakai, Shigehiro Maeda
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Publication number: 20090023957Abstract: 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: ApplicationFiled: March 28, 2006Publication date: January 22, 2009Applicant: TOSOH CORPORATIONInventors: Makoto Watanabe, Tomokazu Ohashi, Toshihide Yamamoto
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Publication number: 20080299294Abstract: 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: ApplicationFiled: June 4, 2007Publication date: December 4, 2008Inventor: Feng-Wen Yen
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Publication number: 20080275253Abstract: 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: ApplicationFiled: February 29, 2008Publication date: November 6, 2008Inventors: Yanhua Zhang, Hisashi Yamamoto, Kazutaka Shibatomi
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Patent number: 7399505Abstract: 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: GrantFiled: May 5, 2005Date of Patent: July 15, 2008Assignee: Merck Patent GmbHInventors: Rainer Wingen, Barbara Hornung, Wolfgang Schmidt
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Publication number: 20080145708Abstract: 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: ApplicationFiled: March 20, 2006Publication date: June 19, 2008Applicant: Merck Patent GmbHInventors: Holger Heil, Philip Stoessel, Horst Vestweber, Rocco Fortte
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Publication number: 20080124577Abstract: 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: ApplicationFiled: April 18, 2007Publication date: May 29, 2008Applicant: CANON KABUSHIKI KAISHAInventors: Akihito Saitoh, Keiji Okinaka, Satoshi Igawa, Naoki Yamada, Chika Negishi, Takao Takiguchi, Shinjiro Okada
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Publication number: 20080100207Abstract: 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: ApplicationFiled: July 18, 2007Publication date: May 1, 2008Inventors: Sang-Hoon Park, Yu-Jin Kim, Jhun-Mo Son
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Publication number: 20080093987Abstract: 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: ApplicationFiled: July 18, 2007Publication date: April 24, 2008Inventors: Sang-Hoon Park, Yu-Jin Kim, O-Hyun Kwon, Byoung-Ki Choi, Jhun-Mo Son
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Patent number: 7358406Abstract: 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: GrantFiled: April 28, 2004Date of Patent: April 15, 2008Assignee: E.I. du Pont de Nemours and CompanyInventors: Alex Sergey Ionkin, Ying Wang
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Publication number: 20080061287Abstract: 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: ApplicationFiled: February 25, 2005Publication date: March 13, 2008Inventors: Kazuto Nagata, Yoshinori Naruta, Masatoshi Yakiyama
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Patent number: 7318950Abstract: 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: GrantFiled: June 25, 2001Date of Patent: January 15, 2008Assignee: Merck GmbHInventors: Peer Kirsch, Andreas Tangerbeck, Detlef Pauluth, Joachim Krause, Michael Heckmeier, Kazuaki Tarumi
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Patent number: 7297379Abstract: 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: GrantFiled: May 12, 2005Date of Patent: November 20, 2007Assignee: Merck Patent GmbHInventors: Wolfgang Schmidt, Rainer Wingen, Barbara Hornung
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Patent number: 7297378Abstract: 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: GrantFiled: April 26, 2005Date of Patent: November 20, 2007Assignee: Merck Patent GmbHInventors: Wolfgang Schmidt, Rainer Wingen, Barbara Hornung
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Patent number: 7291366Abstract: 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 mediaType: GrantFiled: July 28, 2003Date of Patent: November 6, 2007Assignee: Merck Patent GmbHInventors: Lars Lietzau, Matthias Bremer, Melanie Klasen-Memmer, Michael Heckmeier
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Patent number: 7282246Abstract: 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: GrantFiled: April 4, 2005Date of Patent: October 16, 2007Assignee: Merck Patent GmbHInventors: Wolfgang Schmidt, Barbara Hornung, Rainer Wingen