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).

  • Publication number: 20100185792
    Abstract: The invention disclosed a data transmission system, comprising a first conversion module provided on the host side, used for converting USB data into data in format which may be transmitted by a data transmission module and for converting data in format which may be transmitted by the data transmission module into USB data the data transmission module provided between the host and the monitor, used for data intercommunication between the host and the monitor, and a second conversion module provided on the monitor side, used for converting USB data into data in format which may be transmitted by the data transmission module and for converting data in format which may be transmitted by the data transmission module into USB data. Wherein, the data transmission module is a DisplayPort auxiliary channel (DisplayPort AUX CH). With the invention, the connection of the personal computer host and the monitor may be realized by using only one DisplayPort cable, thereby USB interfaces may be integrated on the monitor.
    Type: Application
    Filed: June 26, 2008
    Publication date: July 22, 2010
    Applicant: ANALOGIX (CHINA) SEMICONDUCTOR, INC.
    Inventors: Fei Yao, Yong Xiao, Yiliang Wu
  • Patent number: 7754510
    Abstract: A process for fabricating an electronic device including: depositing a layer comprising a semiconductor; liquid depositing a dielectric composition comprising a lower-k dielectric material, a higher-k dielectric material, and a liquid, wherein the lower-k dielectric material and the higher-k dielectric material are not phase separated prior to the liquid depositing; and causing phase separation of the lower-k dielectric material and the higher-k dielectric material to form a phase-separated dielectric structure wherein the lower-k dielectric material is in a higher concentration than the higher-k dielectric material in a region of the dielectric structure closest to the layer comprising the semiconductor, wherein the depositing the layer comprising the semiconductor is prior to the liquid depositing the dielectric composition or subsequent to the causing phase separation.
    Type: Grant
    Filed: April 2, 2007
    Date of Patent: July 13, 2010
    Assignee: Xerox Corporation
    Inventors: Yiliang Wu, Hadi K Mahabadi, Beng S Ong, Paul F Smith
  • Patent number: 7755081
    Abstract: A dielectric material prepared from a siloxy/metal oxide hybrid composition, and electronic devices such as thin film transistors comprising such dielectric material are provided herein. The siloxy/metal oxide hybrid composition comprises a siloxy component such as, for example, a siloxane or silsesquioxane. The siloxy/metal oxide hybrid composition is useful for the preparation of dielectric layers for thin film transistors using solution deposition techniques.
    Type: Grant
    Filed: November 9, 2006
    Date of Patent: July 13, 2010
    Assignee: Xerox Corporation
    Inventors: Yiliang Wu, Beng S. Ong, Ping Liu
  • Patent number: 7749300
    Abstract: A method of forming bimetallic core-shell metal nanoparticles including a core of a first metal material and a shell of a second metal material, the method including photochemically producing metallic nanoparticle cores of the first metal material, and forming a shell of the second metal material around the cores. The shell can be formed by adding shell-forming precursor materials to a solution or suspension of the cores and photochemically forming the shells around the cores, or by separately photochemically producing metallic nanoparticles of the second metal material and mixing the metallic nanoparticles of the second metal material and the metallic nanoparticle cores to cause the metallic nanoparticles of the second metal material to form a shell around the metallic nanoparticle cores.
    Type: Grant
    Filed: June 5, 2008
    Date of Patent: July 6, 2010
    Assignee: Xerox Corporation
    Inventors: Michelle N. Chretien, Yiliang Wu, Naveen Chopra
  • Publication number: 20100151633
    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: Application
    Filed: December 11, 2008
    Publication date: June 17, 2010
    Applicant: Xerox Corporation
    Inventors: Yiliang Wu, Jason S. Doggart, Ping Liu, Shiping Zhu
  • Publication number: 20100140705
    Abstract: An electronic device including in any sequence: (a) a semiconductor layer; and (b) a dielectric structure comprising a lower-k dielectric polymer and a higher-k dielectric polymer, wherein the lower-k dielectric polymer is in a lower concentration than the higher-k dielectric polymer in a region of the dielectric structure closest to the semiconductor layer.
    Type: Application
    Filed: December 5, 2008
    Publication date: June 10, 2010
    Applicant: XEROX CORPORATION
    Inventors: Yiliang Wu, Paul F. Smith
  • Publication number: 20100140593
    Abstract: A thin-film transistor has a semiconducting layer which comprises a halogen-coordinated metal phthalocyanine complex of Formula (I) or Formula (II): wherein M is a trivalent metal atom; each m represents the number of R substituents on the phenyl or naphthyl ring, and is independently an integer from 0 to 6; each R is independently selected from the group consisting of halogen, alkyl, substituted alkyl, alkoxy, substituted alkoxy, phenoxy, phenylthio, aryl, substituted aryl, heteroaryl, —CN, and —NO2; and X is a halogen atom.
    Type: Application
    Filed: December 10, 2008
    Publication date: June 10, 2010
    Applicant: XEROX CORPORATION
    Inventors: Yiliang Wu, Ah-Mee Hor, Yuning Li, Ping Liu, Paul F. Smith
  • Publication number: 20100143591
    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: Application
    Filed: December 10, 2008
    Publication date: June 10, 2010
    Applicant: XEROX CORPORATION
    Inventors: Yiliang Wu, Ping Liu, Nan Xing Hu
  • Publication number: 20100140555
    Abstract: Disclosed are semiconducting polythiophenes comprising a repeating unit of Formula (A) or a copolythiophene of Formula (B): wherein A and B are each alkyl having from 1 to about 25 carbon atoms; and a, b, c, d, e, f, g, x, and y are as defined herein. These polythiophenes have high mobility and are soluble in common organic solvents, so that chlorinated solvents do not need to be used. They are useful for depositing semiconducting layers, particularly in organic thin-film transistors.
    Type: Application
    Filed: December 10, 2008
    Publication date: June 10, 2010
    Applicant: XEROX CORPORATION
    Inventors: Ping Liu, Yiliang Wu, Yuning Li
  • Publication number: 20100123124
    Abstract: A thin-film transistor uses a semiconducting layer comprising a semiconducting material of (A): where X, Ar, Ar?, R1, R2, R3, R4, R5, a, b, m, and n are as defined herein. The transistor has improved performance.
    Type: Application
    Filed: November 19, 2008
    Publication date: May 20, 2010
    Applicant: Xerox Corporation
    Inventors: Yuning Li, Ping Liu, Yiliang Wu, Paul F. Smith
  • Publication number: 20100123123
    Abstract: A thin-film transistor comprises a semiconducting layer comprising a semiconducting material selected from Formula (I) or (II): wherein X, R1, R2, R3, R4, R5 a, b, and n are as described herein. Semiconducting compositions of Formula (I) or (II) are also described.
    Type: Application
    Filed: November 19, 2008
    Publication date: May 20, 2010
    Applicant: Xerox Corporation
    Inventors: Yuning Li, Yiliang Wu, Ping Liu, Paul F. Smith
  • Patent number: 7718998
    Abstract: An electronic device, such as a thin film transistor, containing a semiconductor of Formula/Structure (I) wherein each R? is independently at least one of hydrogen, and a suitable hydrocarbon; Ar is an aryl, inclusive of heteroaryl substituents; and M represents at least one thiophene based conjugated segment.
    Type: Grant
    Filed: December 14, 2006
    Date of Patent: May 18, 2010
    Assignee: Xerox Corporation
    Inventors: Ping Liu, Beng S. Ong, Yiliang Wu, Yuning Li, Hualong Pan
  • Publication number: 20100121004
    Abstract: Disclosed is a process for purifying monomers of Formula (II): wherein R1 and R2 are independently selected from alkyl, substituted alkyl, aryl, substituted aryl, alkoxy, substituted alkoxy, and halogen; and R? is selected from hydrogen, alkyl, substituted alkyl, aryl, substituted aryl, alkoxy, substituted alkoxy, and halogen. After the monomer is synthesized, it is purified by column chromatography using neutral alumina and hexane as an eluent. The resulting product can also be further recrystallized using isopropanol, hexane, heptane, or toluene. Polymers formed from the purified monomer exhibit higher mobility and increased reproducibility of the mobility.
    Type: Application
    Filed: November 13, 2008
    Publication date: May 13, 2010
    Applicant: XEROX CORPORATION
    Inventors: Yuning Li, Ping Liu, Yiliang Wu
  • Patent number: 7705346
    Abstract: A novel barrier layer which protects electronic devices from adverse environmental effects such as exposure to light, oxygen and/or moisture is described. The barrier layer comprises a polymer, an antioxidant, and an inorganic particulate material.
    Type: Grant
    Filed: June 6, 2005
    Date of Patent: April 27, 2010
    Assignee: Xerox Corporation
    Inventors: Mihaela Maria Birau, Yu Qi, Yiliang Wu, Beng S. Ong
  • Patent number: 7705111
    Abstract: A polymer of the following formula wherein R is a suitable hydrocarbon or a heteroatom containing group; and n represents the number of repeating units.
    Type: Grant
    Filed: April 6, 2006
    Date of Patent: April 27, 2010
    Assignee: Xerox Corporation
    Inventors: Beng S. Ong, Yuning Li, Yiliang Wu
  • Patent number: 7700787
    Abstract: A small molecular thiophene compound consisting of a plurality of thiophene units, each thiophene unit being represented by structure (A) wherein each thiophene unit is bonded at either or both of the second ring position and the fifth ring position, wherein m is 0, 1, or 2, wherein each thiophene unit is the same or different from each other in terms of substituent number, substituent identity, and substituent position, wherein each R1 is independently selected from the group consisting of: (a) a hydrocarbon group, (b) a heteroatom containing group, and (c) a halogen, wherein there is at least one thiophene unit where R1 is present at the third ring position or the fourth ring position, or at both the third ring position and the fourth ring position, wherein for any two adjacent thiophene units as represented by structure (A1): there is excluded the simultaneous presence of the same or different R1 at the 3-position of one thiophene unit and at the 3?-position of the other thiophene unit wherei
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: April 20, 2010
    Assignee: Xerox Corporation
    Inventors: Beng S Ong, Ping Liu, Maria Birau, Yiliang Wu
  • Publication number: 20100093129
    Abstract: A semiconducting ink formulation comprises a semiconducting material; a first solvent; and a second solvent which is miscible with the first solvent, has a surface tension equal to or greater than the surface tension of the first solvent, and in which the semiconducting material has a solubility of less than 0.1 wt % at room temperature The surface tension of the ink formulation can be controlled, allowing the formation of semiconducting layers in organic thin film transistors, including top-gate transistors.
    Type: Application
    Filed: October 9, 2008
    Publication date: April 15, 2010
    Applicant: XEROX CORPORATION
    Inventors: Yiliang Wu, Paul F. Smith
  • Publication number: 20100090200
    Abstract: Organic thin film transistors with improved mobility are disclosed. The transistor contains two interfacial layers between the dielectric layer and the semiconducting layer. One interfacial layer is formed from a siloxane polymer or silsesquioxane polymer. The other interfacial layer is formed from an alkyl-containing silane of Formula (1): where R? is alkyl having from about 1 to about 24 carbon atoms; R? is alkyl having from about 1 to about 24 carbon atoms, halogen, alkoxy, hydroxyl, or amino; L is halogen, oxygen, alkoxy, hydroxyl, or amino; k is 1 or 2; and m is 1 or 2.
    Type: Application
    Filed: October 14, 2008
    Publication date: April 15, 2010
    Applicant: XEROX CORPORATION
    Inventors: Yiliang Wu, Ping Liu, Yuning Li, Paul F. Smith
  • Publication number: 20100090201
    Abstract: A thin film transistor having an improved gate dielectric layer is disclosed. The gate dielectric layer comprises a poly(hydroxyalkyl acrylate-co-acrylonitrile) based polymer. The resulting gate dielectric layer has a high dielectric constant and can be crosslinked. Higher gate dielectric layer thicknesses can be used to prevent current leakage while still having a large capacitance for low operating voltages. Methods for producing such gate dielectric layers and/or thin film transistors comprising the same are also disclosed.
    Type: Application
    Filed: October 14, 2008
    Publication date: April 15, 2010
    Applicant: XEROX CORPORATION
    Inventors: Ping Liu, Yiliang Wu, Yuning Li, Paul F. Smith
  • Publication number: 20100038714
    Abstract: An electronic device fabrication method including: (a) providing a dielectric region and a lower electrically conductive region, wherein the dielectric region includes a plurality of pinholes each with an entry and an exit; and (b) depositing an etchant for the lower electrically conductive region into the pinholes that undercuts the pinholes to create for a number of the pinholes an overhanging surface of the dielectric region around the exit facing an undercut area of the lower electrically conductive region wider than the exit.
    Type: Application
    Filed: August 18, 2008
    Publication date: February 18, 2010
    Applicant: XEROX CORPORATION
    Inventors: Yiliang Wu, Ping Liu, Yuning Li, Hualong Pan