Patents by Inventor Yuning Li

Yuning Li 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: 8419822
    Abstract: Processes for producing carboxylic acid-stabilized silver nanoparticles are disclosed. A reaction mixture comprising a silver salt, a carboxylic acid, and a tertiary amine is heated to form carboxylic acid-stabilized silver nanoparticles.
    Type: Grant
    Filed: August 18, 2008
    Date of Patent: April 16, 2013
    Assignee: Xerox Corporation
    Inventor: Yuning Li
  • Patent number: 8382878
    Abstract: A process comprising: (a) preparing a reaction mixture comprising a silver salt, the reducing agent comprising a hydrazine compound, a thermally removable stabilizer, and an optional solvent, to form a plurality of silver-containing nanoparticles with molecules of the stabilizer on the surface of the silver-containing nanoparticles, wherein the reaction mixture generates an acid; and (b) removing the acid to produce the silver-containing nanoparticles substantially free of acid.
    Type: Grant
    Filed: August 7, 2008
    Date of Patent: February 26, 2013
    Assignee: Xerox Corporation
    Inventor: Yuning Li
  • Patent number: 8382970
    Abstract: The presently disclosed embodiments are directed to an improved metallization process for making fuser members which avoids the extra steps of metal nanoparticle seeding or special substrate treatment. In embodiments, a metallized substrate, formed by dip-coating or spraying with a metal nanoparticle dispersion which is subsequently thermally annealed, is used for the complete fabrication of the fuser member.
    Type: Grant
    Filed: August 5, 2008
    Date of Patent: February 26, 2013
    Assignee: Xerox Corporation
    Inventors: Yu Qi, Qi Zhang, Yuning Li, Nan-Xing Hu
  • 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
  • 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
  • Patent number: 8298314
    Abstract: Processes for producing silver nanoparticles are disclosed. A reaction mixture comprising a silver compound, a carboxylic acid, an amine compound, and an optional solvent is optionally heated. A hydrazine compound is then added and the mixture is further reacted to produce the silver nanoparticles.
    Type: Grant
    Filed: August 18, 2008
    Date of Patent: October 30, 2012
    Assignee: Xerox Corporation
    Inventor: Yuning Li
  • Patent number: 8293363
    Abstract: A thin film transistor having a semiconducting layer with improved flexibility and/or mobility is disclosed. The semiconducting layer comprises a semiconducting polymer and insulating polymer. Methods for forming and using such thin-film transistors are also disclosed.
    Type: Grant
    Filed: October 20, 2011
    Date of Patent: October 23, 2012
    Assignee: Xerox Corporation
    Inventors: Yiliang Wu, Hualong Pan, Ping Liu, Yuning Li, Paul F. Smith
  • Patent number: 8222076
    Abstract: A process for fabricating a semiconductor layer of an electronic device including: liquid depositing one or more zinc oxide precursor compositions and forming at least one semiconductor layer of the electronic device comprising predominately amorphous zinc oxide from the liquid deposited one or more zinc oxide precursor compositions.
    Type: Grant
    Filed: August 2, 2006
    Date of Patent: July 17, 2012
    Assignee: Xerox Corporation
    Inventors: Yiliang Wu, Yuning Li, Beng S. Ong
  • Publication number: 20120178890
    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: March 16, 2012
    Publication date: July 12, 2012
    Applicant: Xerox Corporation
    Inventors: Yuning Li, Yiliang Wu, Ping Liu, Paul F. Smith
  • Publication number: 20120161117
    Abstract: There is presently provided compounds of formula (I), which are useful as p-type semiconductor materials and in devices comprising such p-type semiconductor materials.
    Type: Application
    Filed: April 30, 2010
    Publication date: June 28, 2012
    Inventors: Zhikuan Chen, Jun Li, Beng Ong, Prashant Sonar, Kok Haw Ong, Ging Meng Ng, Siew Lay Lim, Samaredra Pratap Singh, Yuning Li
  • Publication number: 20120157689
    Abstract: A substituted indolocarbazole comprising at least one optionally substituted thienyl.
    Type: Application
    Filed: February 6, 2012
    Publication date: June 21, 2012
    Applicant: Xerox Corporation
    Inventors: Yiliang Wu, Beng S. Ong, Yu Qi, Yuning Li
  • Publication number: 20120153274
    Abstract: There is provided compounds of formula I, ambipolar semiconductor material derived from such compounds and devices comprising such ambipolar semiconductor material.
    Type: Application
    Filed: April 30, 2010
    Publication date: June 21, 2012
    Inventors: Prashant Sonar, Singarendra P. Singh, Mui Siang Soh, Yuning Li
  • Patent number: 8154013
    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: Grant
    Filed: November 19, 2008
    Date of Patent: April 10, 2012
    Assignee: Xerox Corporation
    Inventors: Yuning Li, Yiliang Wu, Ping Liu, Paul F. Smith
  • Patent number: 8153755
    Abstract: An electronic device, such as a thin film transistor containing a semiconductor of the Formula: wherein R, R? and R? are, for example, independently hydrogen, a suitable hydrocarbon, a suitable hetero-containing group, a halogen, or mixtures thereof; and n represents the number of repeating units.
    Type: Grant
    Filed: October 19, 2010
    Date of Patent: April 10, 2012
    Assignee: Xerox Corporation
    Inventors: Beng S. Ong, Hualong Pan, Yuning Li, Yiliang Wu, Ping Liu
  • Publication number: 20120034736
    Abstract: A thin film transistor having a semiconducting layer with improved flexibility and/or mobility is disclosed. The semiconducting layer comprises a semiconducting polymer and insulating polymer. Methods for forming and using such thin-film transistors are also disclosed.
    Type: Application
    Filed: October 20, 2011
    Publication date: February 9, 2012
    Applicant: Xerox Corporation
    Inventors: Yiliang Wu, Hualong Pan, Ping Liu, Yuning Li, Paul F. Smith
  • Patent number: 8110690
    Abstract: A substituted indolocarbazole comprising at least one optionally substituted thienyl.
    Type: Grant
    Filed: October 16, 2008
    Date of Patent: February 7, 2012
    Assignee: Xerox Corporation
    Inventors: Yiliang Wu, Beng S Ong, Yu Qi, Yuning Li
  • Patent number: 8106387
    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 (I): 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: Grant
    Filed: October 14, 2008
    Date of Patent: January 31, 2012
    Assignee: Xerox Corporation
    Inventors: Yiliang Wu, Ping Liu, Yuning Li, Paul F. Smith
  • Patent number: 8084765
    Abstract: An electronic device, such as a thin film transistor, is disclosed having a dielectric layer formed from a composition comprising a compound having at least one phenol group and at least one group containing comprising silicon. The resulting dielectric layer has good electrical properties.
    Type: Grant
    Filed: May 7, 2007
    Date of Patent: December 27, 2011
    Assignee: Xerox Corporation
    Inventors: Yu Qi, Yiliang Wu, Yuning Li, Beng S. Ong
  • Patent number: 8049209
    Abstract: A thin film transistor having a semiconducting layer with improved flexibility and/or mobility is disclosed. The semiconducting layer comprises a semiconducting polymer and insulating polymer. Methods for forming and using such thin-film transistors are also disclosed.
    Type: Grant
    Filed: April 11, 2008
    Date of Patent: November 1, 2011
    Assignee: Xerox Corporation
    Inventors: Yiliang Wu, Hualong Pan, Ping Liu, Yuning Li, Paul F. Smith
  • Patent number: 8048488
    Abstract: A method of forming conductive features on a substrate, the method comprising: providing two or more solutions, wherein a metal nanoparticle solution contains metal nanoparticles with a stabilizer and a destabilizer solution contains a destabilizer that destabilizes the stabilizer, liquid depositing the metal nanoparticle solution and the destabilizer solution onto the substrate, wherein during deposition or following the deposition of the metal nanoparticle solution onto the substrate, the metal nanoparticle and the destabilizer are combined with each other, destabilizing the stabilizer from the surface of the metal nanoparticles with the destabilizer and removing the stabilizer and destabilizer from the substrate by heating the substrate to a temperature below about 180° C. or by washing with the solvent.
    Type: Grant
    Filed: January 14, 2008
    Date of Patent: November 1, 2011
    Assignee: Xerox Corporation
    Inventors: Yuning Li, Hadi K. Mahabadi, Hualong Pan, Yiliang Wu, Ping Liu, Paul F. Smith