Patents by Inventor Warren Duffy
Warren Duffy has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9673394Abstract: The invention relates to novel formulations comprising an organic semiconductor (OSC) and a conductive additive, to their use as conducting inks for the preparation of organic electronic (OE) devices, especially organic photovoltaic (OPV) cells, to methods for preparing OE devices using the novel formulations, and to OE devices and OPV cells prepared from such methods and formulations.Type: GrantFiled: September 19, 2008Date of Patent: June 6, 2017Assignee: MERCK PATENT GMBHInventors: Mark James, Iain McCulloch, Warren Duffy, Philip Edward May, Dan Walker, David P. Waller, Richard Kendall Childers, Sheila E. Rodman
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Patent number: 8431682Abstract: The invention relates to regioregular polyselenophenes, to their use as semiconductors or charge transport materials, in optical, electro-optical or electronic devices, and to optical, electro-optical or electronic devices comprising them.Type: GrantFiled: October 30, 2006Date of Patent: April 30, 2013Assignee: Merck Patent GmbHInventors: Martin Heeney, Warren Duffy, Iain McCulloch, Simon Higgins, David Crouch, Peter Skabara
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Patent number: 7998540Abstract: The invention relates to novel 9- and/or 10-substituted anthracenes, to their use in liquid crystal, light-emitting or semiconducting materials and devices, in anisotropic polymers, optical, electrooptical, decorative, security, cosmetic, diagnostic, electric, electronic, charge transport, semiconductor, optical recording, electroluminescent, photoconductor or electrophotographic applications, and to liquid crystal, light-emitting and semiconducting materials, polymers and devices comprising them.Type: GrantFiled: June 30, 2004Date of Patent: August 16, 2011Assignee: Merck Patent Gesellschaft mit Beschrankter HaftungInventors: Mark John Goulding, Marcus Thompson, Warren Duffy, Martin Heeney, Iain McCulloch
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Patent number: 7829658Abstract: The invention relates to novel mono-, oligo- and polymeric compounds comprising thienothiazole groups, to their use as semiconductors or charge transport materials, in optical, electro-optical or electronic devices, and to optical, electro-optical or electronic devices comprising the novel compounds.Type: GrantFiled: May 11, 2006Date of Patent: November 9, 2010Assignee: Merck Patent GesellschaftInventors: Warren Duffy, Martin Heeney, Iain McCulloch
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Publication number: 20100213455Abstract: The invention relates to novel formulations comprising an organic semiconductor (OSC) and a conductive additive, to their use as conducting inks for the preparation of organic electronic (OE) devices, especially organic photovoltaic (OPV) cells, to methods for preparing OE devices using the novel formulations, and to OE devices and OPV cells prepared from such methods and formulations.Type: ApplicationFiled: September 19, 2008Publication date: August 26, 2010Applicants: MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNG, KORNAKA TECHNOL, INC.Inventors: Mark James, Iain McCulloch, Warren Duffy, Philip Edward May, Dan Walker, David P. Waller, Richard Kendall Childers, Sheila E. Rodman
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Publication number: 20090227764Abstract: The invention relates to regioregular polyselenophenes, to their use as semiconductors or charge transport materials, in optical, electro-optical or electronic devices, and to optical, electro-optical or electronic devices comprising them.Type: ApplicationFiled: October 30, 2006Publication date: September 10, 2009Inventors: Martin Heeney, Warren Duffy, Iain Mc Culloch, Simon Higgins, David Crouch, Peter Skabara
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Patent number: 7544400Abstract: The invention relates to bimesogenic compounds of formula (I): R1-MG1-X1-Sp-X2-MG2-R2 wherein R1, R2, MG1, MG2, X1, X2 and Sp have the meaning given in claim 1, to the use of bimesogenic compounds of formula (I) in liquid crystal media and devices, in particular in flexoelectric liquid crystal devices, to liquid crystal media and devices, in particular flexoelectric devices, comprising bimesogenic compounds of formula (I) and to improvements in flexoelectric devices.Type: GrantFiled: November 28, 2005Date of Patent: June 9, 2009Assignee: Merck Patent GmbHInventors: Mark John Goulding, Kevin Aldem, Warren Duffy, Patricia Eileen Saxton
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Patent number: 7470377Abstract: The invention relates to novel mono-, oligo- and polymeric compounds comprising thiophene and selenophene, to their use as semiconductors or charge transport materials, in optical, electro-optical or electronic devices, and to optical, electro-optical or electronic devices comprising the novel compounds.Type: GrantFiled: March 13, 2006Date of Patent: December 30, 2008Assignee: Merck Patent GmbHInventors: Martin Heeney, Steven Tierney, Warren Duffy, Iain McCulloch
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Publication number: 20080303000Abstract: The invention relates to novel mono-, oligo- and polymeric compounds comprising thiophene and selenophene, to their use as semiconductors or charge transport materials, in optical, electro-optical or electronic devices, and to optical, electro-optical or electronic devices comprising the novel compounds.Type: ApplicationFiled: February 23, 2006Publication date: December 11, 2008Inventors: Martin Heeney, Steven Tierney, Warren Duffy, Iain McCulloch
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Publication number: 20080275212Abstract: The invention relates to a process of preparing regioregular polymers, in particular head-to-tail (HT) poly-(3-substituted) thiophenes with high regioregularity, to novel polymers prepared by this process, to the use of the novel polymers as semiconductors or charge transport materials in optical, electrooptical or electronic devices including field effect transistors (FETs), electroluminescent, photovoltaic and sensor devices, and to FETs and other semiconducting components or materials comprising the novel polymers.Type: ApplicationFiled: October 25, 2006Publication date: November 6, 2008Inventors: Martin Heeney, Weimin Zhang, Warren Duffy, Iain McCulloch, Guntram Koller
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Publication number: 20080200634Abstract: The invention relates to novel mono-, oligo- and polymeric compounds comprising thienothiazole groups, to their use as semiconductors or charge transport materials, in optical, electro-optical or electronic devices, and to optical, electro-optical or electronic devices comprising the novel compounds.Type: ApplicationFiled: May 11, 2006Publication date: August 21, 2008Applicant: MERCK PATENT GESELLSCHAFTInventors: Warren Duffy, Martin Heeney, Iain McCulloch
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Publication number: 20080142758Abstract: The invention relates to bimesogenic compounds of formula (I): R1-MG-X-Sp-X2-MG-R2 wherein R1, R2, MG1, MG2, X1, X2 and Sp have the meaning given in claim 1, to the use of bimesogenic compounds of formula (I) in liquid crystal media and devices, in particular in flexoelectric liquid crystal devices, to liquid crystal media and devices, in particular flexoelectric devices, comprising bimesogenic compounds of formula (I) and to improvements in flexoelectric devices.Type: ApplicationFiled: November 28, 2005Publication date: June 19, 2008Inventors: Kevin Golding, Kevin Aldem, Warren Duffy, Patricia Eileen Saxton
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Publication number: 20070014934Abstract: The invention relates to novel 9- and/or 10-substituted anthracenes, to their use in liquid crystal, light-emitting or semiconducting materials and devices, in anisotropic polymers, optical, electrooptical, decorative, security, cosmetic, diagnostic, electric, electronic, charge transport, semiconductor, optical recording, electroluminescent, photoconductor or electrophotographic applications, and to liquid crystal, light-emitting and semiconducting materials, polymers and devices comprising them.Type: ApplicationFiled: June 30, 2004Publication date: January 18, 2007Applicant: MERCK PATENT GMBHInventors: Mark Goulding, Marcus Thompson, Warren Duffy, Martin Heeney, Iain McCulloch
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Publication number: 20060249712Abstract: The invention relates to novel mono-, oligo- and polymeric compounds comprising thiophene and selenophene, to their use as semiconductors or charge transport materials, in optical, electro-optical or electronic devices, and to optical, electro-optical or electronic devices comprising the novel compounds.Type: ApplicationFiled: March 13, 2006Publication date: November 9, 2006Inventors: Martin Heeney, Steven Tierney, Warren Duffy, Iain McCulloch
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Patent number: 7041347Abstract: Liquid-crystalline media comprising one or more compounds of the formula I in which Ra, Rb, L and r are as defined herein, are suitable for use in, for example, TN and STN liquid crystal displaysType: GrantFiled: February 13, 2004Date of Patent: May 9, 2006Assignee: Merck Patent GmbHInventors: Harald Hirschmann, Martina Weidner, Sven Schüpfer, Renate Graulich, Mark John Goulding, Martin Heeney, Warren Duffy
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Patent number: 7022865Abstract: A tetrahydropyran derivative comprising at least three cyclic rings and one aromatic endgroup of the formula A a process for preparing said tetrahydropyran derivatives, and the use of said tetrahydropyran derivatives as a component in a liquid crystal composition.Type: GrantFiled: May 27, 2004Date of Patent: April 4, 2006Assignee: Merck Patent GmbHInventors: Mark John Goulding, Warren Duffy, Kevin Adlem, Peer Kirsch, Alexander Hahn, Eike Poetsch, Werner Binder, Volker Meyer, Melanie Klasen-Memmer, Michael Heckmeier, Georg Lüssem
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Patent number: 6974607Abstract: Tetrahydropyran derivatives having at least one ester group (—CO—O—) and at least one group —CN, —NCS, —F, —Cl, —OCHF2, —OCF3, —CF3, —OCHFCF3, —OCF2CHFCF3, SF5, or —OCF2CF3; a process for preparing said tetrahydropyran derivatives, and the use of said tetrahydropyran derivatives as a component in a liquid crystal composition.Type: GrantFiled: May 27, 2004Date of Patent: December 13, 2005Assignee: Merck Patent GmbHInventors: Mark John Goulding, Warren Duffy, Kevin Adlem, Peer Kirsch, Alexander Hahn, Eike Poetsch, Werner Binder, Volker Meyer, Melanie Klasen-Memmer, Michael Heckmeier, Georg Lüssem
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Publication number: 20050142300Abstract: Tetrahydropyran derivatives having at least one ester group (—CO—O—) and at least one group —CN, —NCS, —F, —Cl, —OCHF2, —OCF3, —CF3, —OCHFCF3, —OCF2CHFCF3, SF5, or —OCF2CF3; a process for preparing said tetrahydropyran derivatives, and the use of said tetrahydropyran derivatives as a component in a liquid crystal composition.Type: ApplicationFiled: May 27, 2004Publication date: June 30, 2005Applicant: Rambus, Inc.Inventors: Mark Goulding, Warren Duffy, Kevin Adlem, Peer Kirsch, Alexander Hahn, Eike Poetsch, Werner Binder, Volker Meyer, Melanie Klasen-Memmer, Michael Heckmeier, Georg Lussem
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Publication number: 20050072963Abstract: A compound of formula (I): where R1 is alkyl or alkenyl, Y1 and Y2 are independently selected from oxygen or sulphur, n is an integer of from 1 to 5, A is an optionally substituted phenyl or an optionally substituted cycloalkyl ring, X is a direct bond, a C1-4alkylene, a C2-4alkenylene, an acetylene, —CO(O)— or a group of sub-formula (i): where X1 and X2 are independently selected from a direct bond, a C1-4alkylene, a C2-4alkenylene, an acetylene, —CO(O)— and R2, R3 and R4 are independently selected from hydrogen, halo or cyano, provided that no more than one of R2, R3 and R4 is hydrogen. These compounds have a high dipole moment and may be used as dopants in liquid crystal mixtures.Type: ApplicationFiled: January 27, 2003Publication date: April 7, 2005Inventors: Stephen Kelly, Warren Duffy, Neil Campbell
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Publication number: 20050012073Abstract: A tetrahydropyran derivative comprising at least three cyclic rings and one aromatic endgroup of the formula A a process for preparing said tetrahydropyran derivatives, and the use of said tetrahydropyran derivatives as a component in a liquid crystal composition.Type: ApplicationFiled: May 27, 2004Publication date: January 20, 2005Inventors: Mark Goulding, Warren Duffy, Kevin Adlem, Peer Kirsch, Alexander Hahn, Eike Poetsch, Werner Binder, Volker Meyer, Melanie Klasen-Memmer, Michael Heckmeier, Georg Lussem