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).

  • Semiconducting composition
    Patent number: 8425808
    Abstract: The present application discloses, in various embodiments, semiconducting layer compositions comprising a non-amorphous semiconductor material and a molecular glass. Electronic devices, such as thin-film transistors, are also disclosed. The semiconducting layer compositions exhibit good film-forming properties and high mobility.
    Type: Grant
    Filed: April 27, 2010
    Date of Patent: April 23, 2013
    Assignee: Xerox Corporation
    Inventors: Yiliang Wu, Ping Liu, Anthony James Wigglesworth, Nan-Xing Hu
  • Semiconducting composition
    Patent number: 8420440
    Abstract: A compound of Formula (I): wherein X, A, Y, Z, R1, R2, Ar, n and m are as described herein. The compound of Formula (I) is useful as part of a semiconducting composition to be deposited upon a surface. When heated, the compound of Formula (I) is converted to a crystalline semiconductor with high mobility.
    Type: Grant
    Filed: February 10, 2011
    Date of Patent: April 16, 2013
    Assignee: Xerox Corporation
    Inventors: Yiliang Wu, Anthony James Wigglesworth, Ping Liu, Nan-Xing Hu
  • THIN-FILM TRANSISTORS FOR CHEMICAL SENSOR APPLICATIONS
    Publication number: 20130084644
    Abstract: A chemical sensor is disclosed. The chemical sensor is an electronic device including in specific embodiments a first transistor and a second transistor. The first transistor includes a semiconducting layer made of a first semiconductor and carbon nanotubes. The second transistor includes a semiconducting layer made of a second semiconductor, and does not contain carbon nanotubes. The two transistors vary in their response to chemical compounds, and the differing response can be used to determine the identity of certain chemical compounds. The chemical sensor can be useful as a disposable sensor for explosive compounds such as trinitrotoluene (TNT). The electronic device is used in conjunction with an analyzer that processes information generated by the electronic device.
    Type: Application
    Filed: October 4, 2011
    Publication date: April 4, 2013
    Applicant: XEROX CORPORATION
    Inventors: Yiliang Wu, Ping Liu, Anthony James Wigglesworth
  • SYSTEM AND METHOD FOR FORMATION OF ELECTRICAL CONDUCTORS ON A SUBSTRATE
    Publication number: 20130068511
    Abstract: A method for printing an electrical conductor on a substrate has been developed. In the method, a reverse image of the electrical conductor pattern is printed on a substrate with an electrically non-conductive material to form a second pattern that exposes a portion of the surface area of the substrate. The entire surface area of the substrate is then covered with an electrically conductive material. The non-conductive material of the reverse image electrically isolates the electrically conductive material covering the reverse image from the electrically conductive material covering the second pattern.
    Type: Application
    Filed: September 19, 2011
    Publication date: March 21, 2013
    Applicant: XEROX CORPORATION
    Inventor: Yiliang Wu
  • Non-symmetrical dibenzodithienothiophene compounds
    Patent number: 8372312
    Abstract: Disclosed herein is an asymmetrical semiconducting compound of Formula (I): wherein R1 and R2 are as described herein. The compound is useful in a semiconducting layer for an electronic device, such as a thin-film transistor. Devices including the compound exhibit high mobility and excellent stability.
    Type: Grant
    Filed: October 17, 2011
    Date of Patent: February 12, 2013
    Assignee: Xerox Corporation
    Inventors: Yiliang Wu, Ping Liu, Anthony James Wigglesworth
  • Additive for robust metal ink formulations
    Patent number: 8366971
    Abstract: A composition that may be an electronic circuit element includes a metal nanoparticle, a silicone modified polyacrylate compound and a solvent. The silicone modified polyacrylate compound may be a silicone modified polyacrylate compound with at least one organic functional moiety. A method of forming conductive features on a substrate includes depositing a composition containing metal nanoparticles, a silicone modified polyacrylate compound and a solvent onto a substrate, and heating the deposited composition to a temperature from about 100° C. to about 200° C.
    Type: Grant
    Filed: April 2, 2010
    Date of Patent: February 5, 2013
    Assignee: Xerox Corporation
    Inventors: Marko D. Saban, Yulin Wang, Mahya Mohktari, Roger E. Gaynor, Yiliang Wu
  • PROCESS FOR PRODUCING SILVER NANOPARTICLES
    Publication number: 20130029034
    Abstract: A process for producing silver nanoparticles includes receiving a first mixture comprising a silver salt, an organoamine, a first solvent, and a second solvent; and reacting the first mixture with a reducing agent solution to form organoamine-stabilized silver nanoparticles. The polarity index of the first solvent is less than 3.0, and the polarity index of the second solvent is higher than 3.0. The nanoparticles are more dispersible or soluble in the first solvent.
    Type: Application
    Filed: July 28, 2011
    Publication date: January 31, 2013
    Applicant: Xerox Corporation
    Inventors: Ping Liu, Yiliang Wu, Sandra J. Gardner, Nan-Xing Hu, Anthony James Wigglesworth
  • Processes for forming channels in thin-film transistors
    Patent number: 8361891
    Abstract: Methods for consistently reproducing channels of small length are disclosed. An ink composition comprising silver nanoparticles and a surface modification agent is used. The surface modification agent may also act as a stabilizer for the nanoparticles. A first line is printed which forms a modified region around the first line. A second line is printed, which is repelled from the modified region. As a result, a channel between the first line and the second line is formed.
    Type: Grant
    Filed: December 11, 2008
    Date of Patent: January 29, 2013
    Assignee: Xerox Corporation
    Inventors: Yiliang Wu, Jason S. Doggart, Ping Liu, Shiping Zhu
  • Silver nanoparticle ink composition
    Patent number: 8361350
    Abstract: An ink composition comprises silver nanoparticles, hydrocarbon solvent, and an alcohol co-solvent. The ink composition is suitable for printing conductive lines that are uniform, smooth, and narrow on various substrate surfaces.
    Type: Grant
    Filed: December 10, 2008
    Date of Patent: January 29, 2013
    Assignee: Xerox Corporation
    Inventors: Yiliang Wu, Ping Liu, Nan Xing Hu
  • Stretchable Ink Composition
    Publication number: 20130017373
    Abstract: Disclosed is a stretchable ink composition which comprises water, a colorant, a surfactant, and a fluoroelastomer.
    Type: Application
    Filed: July 14, 2011
    Publication date: January 17, 2013
    Applicant: XEROX CORPORATION
    Inventors: Yiliang Wu, Qi Zhang, Ke Zhou, Yu Qi, Nan-Xing Hu
  • Functionalized heteroacenes
    Patent number: 8334391
    Abstract: A polymer of the formula/structure wherein R represents alkyl, alkoxy, aryl, or heteroaryl; each R1 and R2 is independently hydrogen (H), a suitable hydrocarbon; a heteroatom containing group or a halogen; R3 and R4 are independently a suitable hydrocarbon, a heteroatom containing group, or a halogen; x and y represent the number of groups; Z represents sulfur, oxygen, selenium, or NR? wherein R? is hydrogen, alkyl, or aryl; and n and m represent the number of repeating units.
    Type: Grant
    Filed: April 6, 2006
    Date of Patent: December 18, 2012
    Assignee: Xerox Corporation
    Inventors: Yuning Li, Yiliang Wu, Beng S. Ong, Ping Liu
  • ELECTRONIC DEVICE
    Publication number: 20120313081
    Abstract: An electronic device, such as a thin-film transistor, includes a semiconducting layer formed from a semiconductor composition. The semiconductor composition comprises a polymer binder and a small molecule semiconductor. The semiconducting layer has been deposited on an alignment layer that has been aligned in the direction between the source and drain electrodes. The resulting device has increased charge carrier mobility.
    Type: Application
    Filed: June 13, 2011
    Publication date: December 13, 2012
    Applicant: XEROX CORPORATION
    Inventors: Yiliang Wu, Anthony James Wigglesworth, Ping Liu, Nan-Xing Hu
  • PALLADIUM PRECURSOR COMPOSITION
    Publication number: 20120309193
    Abstract: A non-catalytic palladium precursor composition is disclosed, including a palladium salt and an organoamine, wherein the composition is substantially free of water. The composition permits the use of solution processing methods to form a palladium layer on a wide variety of substrates, including in a pattern to form circuitry or pathways for electronic devices.
    Type: Application
    Filed: November 7, 2011
    Publication date: December 6, 2012
    Applicant: Xerox Corporation
    Inventors: Yiliang Wu, Ping Liu
  • PALLADIUM PRECURSOR COMPOSITION
    Publication number: 20120308719
    Abstract: A palladium precursor composition contains a palladium salt and an organoamine. The composition permits the use of solution processing methods to form palladium layers.
    Type: Application
    Filed: June 6, 2011
    Publication date: December 6, 2012
    Applicant: Xerox Corporation
    Inventors: Yiliang Wu, Ping Liu
  • Solvent-based inks comprising silver nanoparticles
    Patent number: 8324294
    Abstract: High performing nanoparticle compositions suitable for printing, such as by inkjet printing, are provided herein. In particular, there is provided a conductive ink formulation comprising silver nanoparticles which has optimal performance, such as, reduced coffee ring effect, improved adhesion to substrates, and extended printhead de-cap time or latency time. The ink formulation comprises two or more solvents and a resin.
    Type: Grant
    Filed: March 7, 2011
    Date of Patent: December 4, 2012
    Assignee: Xerox Corporation
    Inventors: Yiliang Wu, Jenny Eliyahu, Ping Liu, Nan-Xing Hu
  • Thin film transistors comprising surface modified carbon nanotubes
    Patent number: 8319206
    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: Grant
    Filed: November 29, 2007
    Date of Patent: November 27, 2012
    Assignee: Xerox Corporation
    Inventors: Yiliang Wu, Yuning Li, Ping Liu, Paul F. Smith, Hadi K. Mahabadi
  • Storage Stable Images
    Publication number: 20120286502
    Abstract: Materials and methods for long term stability of records using metal nanoparticle-containing inks printed on durable substrates or media, including records generated by the disclosed methods, are described.
    Type: Application
    Filed: May 13, 2011
    Publication date: November 15, 2012
    Applicant: XEROX CORPORATION
    Inventors: Hadi K. Mahabadi, Paul F. Smith, Yiliang Wu
  • COATING METHODS USING SILVER NANOPARTICLES
    Publication number: 20120288697
    Abstract: Methods for coating wires to apply a silver cladding are disclosed herein. Silver nanoparticles are dispersed in a low surface tension solvent to form a coating solution. A wire is drawn through the coating solution to form a coating layer of silver nanoparticles on the wire. The coating layer is then annealed to form the wire with a silver cladding thereon.
    Type: Application
    Filed: May 13, 2011
    Publication date: November 15, 2012
    Applicant: XEROX CORPORATION
    Inventors: Yiliang Wu, Ping Liu, Nan-Xing Hu
  • METHOD OF FABRICATING HIGH-RESOLUTION FEATURES
    Publication number: 20120279766
    Abstract: A method of forming a high resolution feature on a substrate, the method includes, depositing a liquid composition comprising a substance and a solvent onto the substrate to form deposited features, heating the deposited features to a heating temperature during or after the depositing to form an intermediate feature having a central region and an edge region, applying an adhesive substance to at least a portion of a surface of the intermediate feature, and removing the adhesive substance together with at least a portion of the central region of the intermediate feature to form the high resolution feature on the substrate.
    Type: Application
    Filed: May 6, 2011
    Publication date: November 8, 2012
    Applicant: XEROX CORPORATION
    Inventor: Yiliang WU
  • Benzodithiophene based materials compositions
    Patent number: 8304512
    Abstract: A polymer semiconductor that includes a polythiophene having an Mn from about 1,000 to about 400,000 Daltons and derived from benzodithiophene monomer segments of Formula (1) and at least one divalent linkage providing compound selected from the group consisting of an aromatic or heteroaromatic electron acceptor compound X and an aromatic or heteroaromatic compound Y, wherein R1 and R2 are side chains independently selected from the group consisting of a hydrogen atom, a hydrocarbon group, a heteroatom and combinations thereof.
    Type: Grant
    Filed: January 19, 2010
    Date of Patent: November 6, 2012
    Assignee: Xerox Corporation
    Inventors: Anthony J. Wigglesworth, Yiliang Wu, Ping Liu, Nan-Xing Hu