Patents by Inventor Yu Qi

Yu Qi 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).

  • 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
  • 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
  • Imaging member
    Patent number: 7470493
    Abstract: Provided are a silane-phenol compound, a crosslinked siloxane outmost protective layer thereof, and an electrophotographic imaging member such as photoreceptor. The silane-phenol compound comprises (i) a phenol group and (ii) a silane group selected from the group consisting of alkoxysilyl, arylalkoxysilyl, aryloxysilyl, alkylaryloxysilyl, and combination thereof. The crosslinked siloxane outmost protective layer comprises the product of hydrolysis and condensation of a silanized hole transport compound and the silane-phenol compound. The crosslinked protective outmost layer may be used to manufacture an electrophotographic imaging member such as photoreceptor with improved properties such as image quality and cleanability, etc.
    Type: Grant
    Filed: July 19, 2005
    Date of Patent: December 30, 2008
    Assignee: Xerox Corporation
    Inventors: Yu Qi, Nan-Xing Hu, Yvan Gagnon, Cheng-Kuo Hsiao, Ah-Mee Hor
  • 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
  • ELECTRONIC DEVICE HAVING A DIELECTRIC LAYER
    Publication number: 20080277724
    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: Application
    Filed: May 7, 2007
    Publication date: November 13, 2008
    Inventors: Yu Qi, Yiliang Wu, Yuning Li, Beng S. Ong
  • Mechanism for positioning device
    Publication number: 20080231867
    Abstract: The present invention relates to a positioning device, and in particular to a mechanism using an image detecting module. The present invention comprises a base having an image detecting module, a control circuit, and a driving module therein. The base has a rotateable plate on the base for carrying an object. The base further has a light pervious area for receiving a light beam coming from a remote control. A convex reflector is located within the base to reflect the image to the image detecting module.
    Type: Application
    Filed: April 27, 2007
    Publication date: September 25, 2008
    Applicant: KYE SYSTEMS CORP.
    Inventor: Yu-Qi Wang
  • Silane Functionalized Fluoropolymers
    Publication number: 20080213491
    Abstract: A method includes admixing a plurality of fluoropolymer chains, a plurality of basic metal oxide polymers, and a plurality of organic grafts. Each of the plurality of organic grafts includes a phenol end group, a linking group, and at least one silane end group. The phenol end groups of the organic grafts are reacted with the plurality of fluoropolymer chains to form a silane functionalized fluoropolymer.
    Type: Application
    Filed: March 1, 2007
    Publication date: September 4, 2008
    Inventors: Carolyn Patricia Moorlag, Nan-Xing Hu, Yu Qi, Kathy Lynn De Jong
  • Silane Functionalized Fluoropolymers
    Publication number: 20080205950
    Abstract: A composition of matter includes a plurality of fluoropolymer chains. Each of the fluoropolymer chains is chemically bonded to at least one organic graft. The at least one organic graft includes a phenoxy group, a linking group, and at least one silane end group. The phenoxy group is chemically bonded to the fluoropolymer chain, and the linking group chemically bonds the phenoxy group with the at least one silane end group.
    Type: Application
    Filed: February 28, 2007
    Publication date: August 28, 2008
    Inventors: Carolyn Patricia Moorlag, Nan-Xing Hu, Yu Qi, Kathy Lynn De Jong
  • Compound with indolocarbazole moieties and devices containing such compound
    Patent number: 7402681
    Abstract: A compound composed of a plurality of optionally substituted indolocarbazole moieties which are the same or different from each other.
    Type: Grant
    Filed: June 27, 2005
    Date of Patent: July 22, 2008
    Assignee: Xerox Corporation
    Inventors: Beng S. Ong, Yu Qi, Yiliang Wu, Yuning Li
  • Photoconductive member
    Patent number: 7378204
    Abstract: A photoconductive imaging member containing a photogenerating layer, and a charge transport layer, and wherein the charge transport layer is comprised of an arylamine containing a moiety that minimizes oxidation.
    Type: Grant
    Filed: June 15, 2005
    Date of Patent: May 27, 2008
    Assignee: Xerox Corporation
    Inventors: Yu Qi, Nan-Xing Hu, Gregory McGuire, Cheng-Kuo Hsiao
  • Aromatic disiloxane compositions
    Patent number: 7348447
    Abstract: Processes for preparing aromatic matrix materials by metal hydrosilylation followed by alcholysis are provided. Silicon-containing layers that contain such aromatic matrix materials are also provided, as well as electrophotographic photoreceptors and electrophotographic imaging apparatuses containing such silicon-containing layers.
    Type: Grant
    Filed: October 11, 2005
    Date of Patent: March 25, 2008
    Assignee: Xerox Corporation
    Inventors: Timothy P. Bender, John F. Graham, Yvan Gagnon, Cheng-Kuo Hsiao, Nan-Xing Hu, Yu Qi
  • Crosslinked siloxane composite overcoat for photoreceptors
    Patent number: 7338739
    Abstract: A crosslinked siloxane composite overcoat for electrophotographic photoreceptors, containing at least one siloxane-containing compound, a resin and metal oxide particles; photoreceptors containing the crosslinked siloxane composite overcoat; and image process cartridge and image forming apparatuses containing photoreceptors containing the crosslinked siloxane composite overcoat.
    Type: Grant
    Filed: January 14, 2005
    Date of Patent: March 4, 2008
    Assignee: Xerox Corporation
    Inventors: Yu Qi, Nan-Xing Hu, Timothy P. Bender, Yvan Gagnon, John Graham, Cheng-Kuo Hsiao, Ah-Mee Hor
  • PROTECTIVE OVERCOAT
    Publication number: 20080026308
    Abstract: A photoconductive having an overcoat layer that includes a cured or substantially crosslinked product of at least a melamine-formaldehyde resin and a charge transport compound, and an optional phenol compound.
    Type: Application
    Filed: July 25, 2006
    Publication date: January 31, 2008
    Applicant: Xerox Corporation
    Inventors: Yu Qi, Nan-Xing Hu
  • POLYTHIOPHENES AND DEVICES THEREOF
    Publication number: 20070284572
    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: Application
    Filed: July 25, 2007
    Publication date: December 13, 2007
    Inventors: Beng Ong, Ping Liu, Lu Jiang, Yu Qi, Yiliang Wu
  • Pointing device with finger-contact control
    Patent number: 7298362
    Abstract: A pointing device includes a first convex lens on a housing of the pointing device and arranged such that when a user's finger slides over the lens, an image of the user's finger is sensed to generate a cursor-moving or scrolling signal for a computer.
    Type: Grant
    Filed: July 31, 2003
    Date of Patent: November 20, 2007
    Assignee: Kye Systems Corp.
    Inventor: Yu-Qi Wang
  • Optical sensing unit for an optical input device
    Publication number: 20070241262
    Abstract: An optical sensing unit includes a circuit board on which is situated a first row of light detecting sensors and discrete a second row of light detecting sensors. The first row of light detecting sensors detects changes in light intensity indicative of relative movement along a first axis, and the second row of light detecting sensors detects changes in reflected light intensity indicative of relative movement along a second axis. Therefore, a cursor or content of the display of the computer system will be moved or scrolled accordingly.
    Type: Application
    Filed: April 18, 2006
    Publication date: October 18, 2007
    Applicant: KYE SYSTEMS CORP.
    Inventor: Yu-Qi Wang
  • Polythiophenes and devices thereof
    Patent number: 7282733
    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: April 27, 2004
    Date of Patent: October 16, 2007
    Assignee: Xerox Corporation
    Inventors: Beng S. Ong, Ping Liu, Lu Jiang, Yu Qi, Yiliang Wu
  • POLYTHIOPHENES AND DEVICES THEREOF
    Publication number: 20070228363
    Abstract: A polythiophene wherein the monomer segments thereof contain wherein A is a side chain; B is hydrogen or a side chain; and D is a divalent linkage, and wherein the number of A-substituted thienylene units (I) in the monomer segments is from about 1 to about 10, the number of B-substituted thienylene units (II) is from 0 to about 5, and the number of divalent linkages D is 0 or 1.
    Type: Application
    Filed: December 1, 2006
    Publication date: October 4, 2007
    Inventors: Beng Ong, Ping Liu, Yiliang Wu, Yu Qi
  • Computer input device for automaticall scrolling
    Publication number: 20070200826
    Abstract: A computer input device includes a body and a trace-detecting module coupled to the body. The body has a micro control unit (MCU), and the trace-detecting module has at least a light pervious area, and a trace-detecting unit. The trace-detecting unit further has at least a light source and a sensor. The sensor senses a reflected light beam caused by movement of a user's digit movement on the light pervious area at a velocity which can be sensed by the sensor. If the velocity exceeds a threshold stored in the MCU, the MCU executes automatically scrolling at a predetermined scrolling speed.
    Type: Application
    Filed: May 1, 2007
    Publication date: August 30, 2007
    Applicant: KYE SYSTEMS CORP.
    Inventors: Yu-Wen Zeng, Yu-Qi Wang
  • Polythiophenes and devices thereof
    Patent number: 7256418
    Abstract: An electronic device containing a polythiophene derived from a monomer segment or monomer segments containing two 2,5-thienylene segments, (I) and (II), and an optional divalent linkage D wherein A is a side chain; B is hydrogen or a side chain; and D is a divalent linkage, and wherein the number of A-substituted thienylene units (I) in the monomer segments is from about 1 to about 10, the number of B-substituted thienylene units (II) is from 0 to about 5, and the number of divalent linkages D is 0 or 1.
    Type: Grant
    Filed: August 29, 2002
    Date of Patent: August 14, 2007
    Assignee: Xerox Corporation
    Inventors: Beng S. Ong, Ping Liu, Yiliang Wu, Yu Qi