Patents by Inventor Beng S. Ong

Beng S. Ong 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).

  • Patent number: 6855951
    Abstract: An electronic device containing a polythiophene wherein R is an alkyl alkoxy; x represents the number of R groups; R? is CF3, alkoxy, alkyl, or optionally alkylene; y and z represent the number of segments; and a and b represent the mole fractions of each moiety, respectively, wherein the sum of a+b is equal to about 1.
    Type: Grant
    Filed: March 19, 2003
    Date of Patent: February 15, 2005
    Assignee: Xerox Corporation
    Inventors: Beng S. Ong, Lu Jiang, Yiliang Wu, Ping Liu
  • Publication number: 20040236070
    Abstract: Polythiophenes of the formula 1
    Type: Application
    Filed: June 23, 2004
    Publication date: November 25, 2004
    Applicant: Xerox Corporation
    Inventors: Beng S. Ong, Lu Jiang, Yiliang Wu, Dasarao K. Murti
  • Patent number: 6821643
    Abstract: An electroluminescent device comprised of an anode and a cathode, and situated therebetween said anode and said cathode at least one electron transport layer comprised of a triazine of the formula wherein A is a monovalent or a multi-valent aromatic group which contains at least two conjugate-linked or at least two fused aromatic rings; Ar1 and Ar2 are each independently aryl or aliphatic; and m represents the number of repeating segments.
    Type: Grant
    Filed: January 21, 2000
    Date of Patent: November 23, 2004
    Assignee: Xerox Corporation
    Inventors: Nan-Xing Hu, Mohammad Esteghamatian, Zoran D. Popovic, Beng S. Ong, Ah-Mee Hor
  • Publication number: 20040201015
    Abstract: An electronic device containing a polythiophene 1
    Type: Application
    Filed: April 27, 2004
    Publication date: October 14, 2004
    Applicant: Xerox Corporation
    Inventors: Beng S. Ong, Ping Liu, Lu Jiang, Yu Qi, Yiliang Wu
  • Patent number: 6803262
    Abstract: A process including: creating a composition composed of a liquid and a self-organizable polymer at least partially dissolved in the liquid, resulting in dissolved polymer molecules; reducing the solubility of the dissolved polymer molecules to induce formation of structurally ordered polymer aggregates in the composition; depositing a layer of the composition including the structurally ordered polymer aggregates; and drying at least partially the layer to result in a structurally ordered layer, wherein the structurally ordered layer is part of an electronic device and the structurally ordered layer exhibits increased charge transport capability.
    Type: Grant
    Filed: October 17, 2002
    Date of Patent: October 12, 2004
    Assignee: Xerox Corporation
    Inventors: Yiliang Wu, Beng S. Ong
  • Publication number: 20040195566
    Abstract: An electronic device containing a polythiophene 1
    Type: Application
    Filed: April 27, 2004
    Publication date: October 7, 2004
    Applicant: Xerox Corporation
    Inventors: Beng S. Ong, Ping Liu, Lu Jiang, Yu Qi, Yiliang Wu
  • Publication number: 20040183068
    Abstract: An electronic device containing a polythiophene 1
    Type: Application
    Filed: March 19, 2003
    Publication date: September 23, 2004
    Applicant: Xerox Corporation
    Inventors: Beng S. Ong, Lu Jiang, Yiliang Wu, Ping Liu
  • Publication number: 20040186265
    Abstract: An electronic device containing a polythiophene prepared by a metal halide-mediated coupling polymerization in an appropriate solvent, and which polythiophene is comprised of at least one monomer unit selected from the group consisting of 2,5-thienylene (or 2,5-thiophenediyl) (I), 2,5-thienylene (or 2,5-thiophenediyl) (II), and a divalent linkage D 1
    Type: Application
    Filed: March 19, 2003
    Publication date: September 23, 2004
    Applicant: Xerox Corporation
    Inventors: Ping Liu, Yiliang Wu, Lu Jiang, Beng S. Ong
  • Publication number: 20040186266
    Abstract: A polythiophene comprising, for example, a repeating segment of the formula 1
    Type: Application
    Filed: March 19, 2003
    Publication date: September 23, 2004
    Applicant: Xerox Corporation
    Inventors: Lu Jiang, Yiliang Wu, Beng S. Ong, Ping Liu
  • Patent number: 6795228
    Abstract: A display material for use in an electric paper system includes two opposing outer surfaces, between which is disposed a plurality of optically and electrically anisotropic elements suspended in a substance capable of being liquified. A rotatable disposition of each element is achievable while the element is suspended in the substance and the substance is liquified.
    Type: Grant
    Filed: July 12, 2002
    Date of Patent: September 21, 2004
    Assignee: Xerox Corporation
    Inventors: Guenno G. Sacripante, H. Bruce Goodbrand, Beng S. Ong, Robert A. Sprague
  • Patent number: 6777529
    Abstract: Polythiophenes of the formula wherein R and R′ are side chains; A is a divalent linkage; x and y represent the number of unsubstituted thienylene units; z is 0 or 1, and wherein the sum of x and y is greater than zero; m represents the number of segments; and n represents the degree of polymerization.
    Type: Grant
    Filed: January 11, 2002
    Date of Patent: August 17, 2004
    Assignee: Xerox Corporation
    Inventors: Beng S. Ong, Lu Jiang, Yiliang Wu, Dasarao K. Murti
  • Patent number: 6774393
    Abstract: A field effect transistor composed of: an insulating layer; a gate electrode; a semiconductor layer including an organic semiconductor material and a binder resin; a source electrode; and a drain electrode, wherein the insulating layer, the gate electrode, the semiconductor layer, the source electrode, and the drain electrode are in any sequence as long as the gate electrode and the semiconductor layer both contact the insulating layer, and the source electrode and the drain electrode both contact the semiconductor layer.
    Type: Grant
    Filed: March 25, 2003
    Date of Patent: August 10, 2004
    Assignee: Xerox Corporation
    Inventors: Dasarao K. Murti, Beng S. Ong, James M. Duff
  • Patent number: 6770904
    Abstract: An electronic device containing a polythiophene wherein R represents a side chain, m represents the number of R substituents; A is a divalent linkage; x, y and z represent, respectively, the number of Rm substituted thienylenes, unsubstituted thienylenes, and divalent linkages A, respectively, in the monomer segment subject to z being 0 or 1, and n represents the number of repeating monomer segments in the polymer or the degree of polymerization.
    Type: Grant
    Filed: January 11, 2002
    Date of Patent: August 3, 2004
    Assignee: Xerox Corporation
    Inventors: Beng S. Ong, Ping Liu, Lu Jiang, Yu Qi, Yiliang Wu
  • Publication number: 20040104386
    Abstract: A thin film transistor wherein the semiconductor layer is prepared by a process including:
    Type: Application
    Filed: November 14, 2003
    Publication date: June 3, 2004
    Applicant: Xerox Corporation
    Inventors: Yiliang Wu, Beng S. Ong
  • Publication number: 20040075120
    Abstract: A process including:
    Type: Application
    Filed: October 17, 2002
    Publication date: April 22, 2004
    Applicant: Xerox Corporation
    Inventors: Yiliang Wu, Ping Liu, Beng S. Ong, Dasarao K. Murti
  • Publication number: 20040077122
    Abstract: A process including:
    Type: Application
    Filed: October 17, 2002
    Publication date: April 22, 2004
    Applicant: Xerox Corporation
    Inventors: Yiliang Wu, Beng S. Ong
  • Publication number: 20040075124
    Abstract: A thin film transistor including:
    Type: Application
    Filed: November 24, 2003
    Publication date: April 22, 2004
    Applicant: Xerox Corporation
    Inventors: Yiliang Wu, Ping Liu, Beng S. Ong, Dasarao K. Murti
  • Publication number: 20030227014
    Abstract: A process comprising:
    Type: Application
    Filed: June 11, 2002
    Publication date: December 11, 2003
    Applicant: Xerox Corporation.
    Inventors: Dasarao K. Murti, Beng S. Ong, James M. Duff
  • Publication number: 20030228718
    Abstract: A field effect transistor composed of:
    Type: Application
    Filed: March 25, 2003
    Publication date: December 11, 2003
    Applicant: Xerox Corporation
    Inventors: Dasarao K. Murti, Beng S. Ong, James M. Duff
  • Patent number: 6621099
    Abstract: An electronic device containing a polythiophene of Formula (I) wherein R and R′ are side chains; A is a divalent linkage; x and y represent the number of unsubstituted thienylene units; z is 0 or 1, and wherein the sum of x and y is greater than about zero; m represents the number of segments; and n represents the degree of polymerization.
    Type: Grant
    Filed: January 11, 2002
    Date of Patent: September 16, 2003
    Assignee: Xerox Corporation
    Inventors: Beng S. Ong, Lu Jiang, Yiliang Wu, Dasarao K. Murti