Patents by Inventor Yiliang Wu

Yiliang Wu 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).

  • POLYMER SEMICONDUCTORS WITH HIGH MOBILITY
    Publication number: 20090181509
    Abstract: A polymer semiconductor compound of the below formula, wherein the side chains, R1, R2, R3 and R4, are arranged in a manner that promotes high mobility and to provide a weak side chain interaction.
    Type: Application
    Filed: January 14, 2008
    Publication date: July 16, 2009
    Applicant: XEROX CORPORATION
    Inventors: Hualong PAN, Yiliang WU, Ping LIU, Yuning LI, Paul F. SMITH, Hadi K. MAHABADI
  • Stabilized Metal Nanoparticles and Methods for Depositing Conductive Features Using Stabilized Metal Nanoparticles
    Publication number: 20090181183
    Abstract: A metal nanoparticle composition includes a thermally decomposable or UV decomposable stabilizer. A method of forming conductive features on a substrate, includes providing a solution containing metal nanoparticles with a stabilizer; and liquid depositing the solution onto the substrate, wherein during the deposition or following the deposition of the solution onto the substrate, decomposing and removing the stabilizer, by thermal treatment or by UV treatment, at a temperature below about 180° C. to form conductive features on the substrate.
    Type: Application
    Filed: January 14, 2008
    Publication date: July 16, 2009
    Applicant: XEROX CORPORATION
    Inventors: Yuning LI, Yiliang WU, Hualong PAN, Ping LIU, Paul F. SMITH, Hadi K. MAHABADI
  • Heteroacene polymers and electronic devices generated therefrom
    Patent number: 7557370
    Abstract: An electronic device comprising a semiconductive material of Formula or structure (I) wherein each R1, R2, R3 and R4 are independently hydrogen (H), a heteroatom containing group, a suitable hydrocarbon, or a halogen; Ar and Ar? each independently represents an aromatic moiety; x, y, a, b, c, d, e, f and g represent the number of groups or rings, respectively; Z represents sulfur, oxygen, selenium, or NR?? wherein R?? is hydrogen, alkyl, or aryl; and n represents the number of repeating units.
    Type: Grant
    Filed: April 6, 2006
    Date of Patent: July 7, 2009
    Assignee: Xerox Corporation
    Inventors: Yuning Li, Beng S. Ong, Yiliang Wu
  • TFT fabrication process
    Patent number: 7553706
    Abstract: A process for fabricating a thin film transistor including: (a) depositing a semiconductor layer; and (b) depositing a multilayer gate dielectric prior to or subsequent to the depositing the semiconductor layer, wherein the multilayer dielectric comprises: (i) a first layer comprising a first material selected from the group consisting of an optionally substituted silsesquioxane, an optionally substituted silsesquioxane-metal oxide hybrid composition, an optionally substituted siloxane-metal oxide hybrid composition, and a mixture thereof, and (ii) a second layer in contact with the first layer, wherein the second layer comprises a second material, wherein the first layer is closer to the semiconductor layer than the second layer.
    Type: Grant
    Filed: March 8, 2006
    Date of Patent: June 30, 2009
    Assignee: Xerox Corporation
    Inventors: Ping Liu, Yiliang Wu, Beng S Ong
  • Polyacenes and electronic devices generated therefrom
    Patent number: 7550760
    Abstract: An electronic device comprises a semiconductive material containing a homopolyacene of Formula (I): wherein R is a suitable hydrocarbon, a halogen, or a heteroatom containing group; each R? and R? are independently a suitable hydrocarbon, a heteroatom containing group, or a halogen; a represents a number of benzene rings on a left side of the central benzene ring; b represents a number of benzene rings on a right side of the central benzene ring; x represents a total number of R? groups on the left side of the central benzene ring; y represents a total number of R? groups on the right side of the central benzene ring; and n represents the number of repeating units and is from 2 to about 5,000.
    Type: Grant
    Filed: April 6, 2006
    Date of Patent: June 23, 2009
    Assignee: Xerox Corporation
    Inventors: Yuning Li, Ping Liu, Yiliang Wu, Beng S. Ong
  • THIN FILM TRANSISTORS
    Publication number: 20090140237
    Abstract: A thin film transistor has a semiconducting layer comprising a semiconductor and a mixture enriched in metallic carbon nanotubes. The semiconducting layer has improved charge carrier mobility.
    Type: Application
    Filed: November 29, 2007
    Publication date: June 4, 2009
    Applicant: XEROX CORPORATION
    Inventors: Yiliang Wu, Ping Liu, Yuning Li, Paul F. Smith, Hadi K. Mahabadi
  • THIN FILM TRANSISTORS
    Publication number: 20090140236
    Abstract: A thin film transistor has a semiconducting layer comprising a semiconductor and surface-modified carbon nanotubes. The semiconducting layer has improved charge carrier mobility.
    Type: Application
    Filed: November 29, 2007
    Publication date: June 4, 2009
    Applicant: XEROX CORPORATION
    Inventors: Yiliang Wu, Yuning Li, Ping Liu, Paul F. Smith, Hadi K. Mahabadi
  • Methods of Printing Conductive Silver Features
    Publication number: 20090142482
    Abstract: A method of forming a conductive ink silver features on a substrate by printing a silver compound solution and a hydrazine compound reducing agent solution on the surface of a substrate with a printhead. The silver compound solution and the hydrazine compound reducing agent solution are mixed just before, during, or following the printing of both solutions on the surface of the substrate, and the silver compound is then reduced to form conductive silver ink features on the substrate.
    Type: Application
    Filed: November 30, 2007
    Publication date: June 4, 2009
    Applicant: XEROX CORPORATION
    Inventors: Yuning LI, Ping LIU, Yiliang WU, Hualong PAN, Paul F. SMITH, Hadi K. MAHABADI
  • POLYMER HAVING THIENO[3,2-b] THIOPHENE MOIETIES
    Publication number: 20090124788
    Abstract: A polymer comprising one or more types of repeat units, wherein the polymer includes a substituted thieno[3,2-b]thiophene component A and a different component B in the same type of repeat unit or in different types of repeat units, and wherein the polymer excludes a substituted or unsubstituted thieno[2,3-b]thiophene moiety. The polymer can be used as a semiconductor in electronics such as in organic thin film transistors.
    Type: Application
    Filed: December 10, 2008
    Publication date: May 14, 2009
    Applicant: XEROX CORPORATION
    Inventors: Yuning Li, Ping Liu, Yiliang Wu, Beng S. Ong
  • DEVICE CONTAINING POLYMER HAVING INDOLOCARBAZOLE- REPEAT UNIT AND DIVALENT LINKAGE
    Publication number: 20090114909
    Abstract: An electronic device comprising a polymer comprising at least one type of repeat unit comprising at least one type of an optionally substituted indolocarbazole moiety and at least one divalent linkage.
    Type: Application
    Filed: December 15, 2008
    Publication date: May 7, 2009
    Applicant: XEROX CORPORATION
    Inventors: Yuning Li, Beng S. Ong, Yiliang Wu, Ping Liu
  • Small molecule compound having indolocarbazole moiety and divalent linkage
    Patent number: 7528261
    Abstract: A small molecule compound including at least one type of an optionally substituted indolocarbazole moiety and at least one divalent linkage.
    Type: Grant
    Filed: December 17, 2007
    Date of Patent: May 5, 2009
    Assignee: Xerox Corporation
    Inventors: Yuning Li, Beng S Ong, Yiliang Wu, Ping Liu
  • Polythiophenes and devices thereof
    Patent number: 7517945
    Abstract: Polythiophenes of the formula wherein R is a side chain; m is the number of substituents; A is a divalent linkage; x, y and z represent, respectively, the numbers of R substituted thienylene, unsubstituted thienylene, and divalent linkages A in the monomer segment with z being either 0 or 1; and n represents the number of the repeating monomer segments in the polymer chain or the degree of polymerization.
    Type: Grant
    Filed: November 9, 2006
    Date of Patent: April 14, 2009
    Assignee: Xerox Corporation
    Inventors: Beng S. Ong, Ping Liu, Lu Jiang, Yu Qi, Yiliang Wu
  • Polydiazaacenes
    Patent number: 7517476
    Abstract: A polymer represented by Formula or structure (I) wherein at least one of each R, R1, R2, R3, R4, R5, and R6 is independently hydrogen, alkyl, aryl, arylalkyl, alkoxy, halogen, cyano, or nitro; x, y, a and b represent the number of groups and rings, respectively; and n represents the number of repeating groups or moieties.
    Type: Grant
    Filed: April 6, 2006
    Date of Patent: April 14, 2009
    Assignee: Xerox Corporation
    Inventors: Yiliang Wu, Ping Liu, Beng S. Ong
  • Polydiazaacenes and electronic devices generated therefrom
    Patent number: 7517477
    Abstract: An electronic device, such as a thin film transistor, containing a polymer of the formula or structure wherein at least one of each R, R1, R2, R3, R4, R5 and R6 is independently hydrogen, alkyl, aryl, alkoxy, halogen, arylalkyl, cyano, or nitro; x and y represent the number of R substituents; a and b represent the number of rings; and n represents the number of repeating groups or moieties.
    Type: Grant
    Filed: April 6, 2006
    Date of Patent: April 14, 2009
    Assignee: Xerox Corporation
    Inventors: Yiliang Wu, Ping Liu, Beng S. Ong
  • Stabilized silver nanoparticle composition
    Patent number: 7494608
    Abstract: A composition comprising a liquid and a plurality of silver-containing nanoparticles with a stabilizer, wherein the silver-containing nanoparticles are a product of a reaction of a silver compound with a reducing agent comprising a hydrazine compound in the presence of a thermally removable stabilizer in a reaction mixture comprising the silver compound, the reducing agent, the stabilizer, and an organic solvent wherein the hydrazine compound is a hydrocarbyl hydrazine, a hydrocarbyl hydrazine salt, a hydrazide, a carbazate, a sulfonohydrazide, or a mixture thereof and wherein the stabilizer includes an organoamine.
    Type: Grant
    Filed: August 10, 2007
    Date of Patent: February 24, 2009
    Assignee: Xerox Corporation
    Inventors: Yuning Li, Yiliang Wu, Beng S Ong
  • Electrically conductive feature fabrication process
    Patent number: 7491646
    Abstract: A process for fabricating an electrically conductive feature comprising: (a) liquid depositing a low viscosity composition comprising starting ingredients including an organic anine, a silver compound, and optionally an organic acid, to result in a deposited composition; and (b) heating the deposited composition, resulting in the electrically conductive feature comprising silver.
    Type: Grant
    Filed: July 20, 2006
    Date of Patent: February 17, 2009
    Assignee: Xerox Corporation
    Inventors: Yiliang Wu, Beng S. Ong
  • Fabricating zinc oxide semiconductor using hydrolysis
    Patent number: 7491575
    Abstract: A process for fabricating at least one semiconductor layer of an electronic device including: performing on a composition including a hydrolyzable zinc compound a number of activities including: (a) hydrolyzing at least a portion of the hydrolyzable zinc compound to form zinc oxide; (b) liquid depositing; and (c) optionally heating, wherein the activities (a), (b), and (c) are each accomplished a number of times in any effective arrangement, resulting in the at least one semiconductor layer comprising the zinc oxide.
    Type: Grant
    Filed: August 2, 2006
    Date of Patent: February 17, 2009
    Assignee: Xerox Corporation
    Inventors: Yiliang Wu, Beng S. Ong
  • POLY[BIS(ETHYNYL)HETEROACENE]S AND ELECTRONIC DEVICES GENERATED THEREFROM
    Publication number: 20090039344
    Abstract: An electronic device comprising a polymer of Formula or Structure (I) wherein R1 is hydrogen, halogen, a suitable hydrocarbon, or a heteroatom containing group; R2 is hydrogen, a suitable hydrocarbon, a heteroatom containing group, or a halogen; R3 and R4 are independently a suitable hydrocarbon, hydrogen, a heteroatom containing group, or a halogen; Ar is an aromatic component; x, y, a, b, and c represent the number of groups or rings, respectively; Z represents sulfur, oxygen, selenium, or NR wherein R is hydrogen, alkyl, or aryl; and n represents the number of repeating units.
    Type: Application
    Filed: October 17, 2008
    Publication date: February 12, 2009
    Applicant: XEROX CORPORATION
    Inventors: Yuning Li, Ping Liu, Yiliang Wu, Beng S. Ong
  • SUBSTITUTED INDOLOCARBAZOLES
    Publication number: 20090036689
    Abstract: A substituted indolocarbazole comprising at least one optionally substituted thienyl.
    Type: Application
    Filed: October 16, 2008
    Publication date: February 5, 2009
    Applicant: XEROX CORPORATION
    Inventors: Yiliang Wu, Beng S. Ong, Yu Qi, Yuning Li
  • Thin film transistors including indolocarbozoles
    Patent number: 7456424
    Abstract: A thin film transistor composed of a semiconductor layer including an optionally substituted indolocarbazole.
    Type: Grant
    Filed: June 27, 2005
    Date of Patent: November 25, 2008
    Assignee: Xerox Corporation
    Inventors: Yiliang Wu, Beng S. Ong, Yu Qi, Yuning Li