Patents by Inventor Zhang Lin

Zhang Lin 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).

  • PHOTO CURABLE INKS
    Publication number: 20190256654
    Abstract: The present disclosure is drawn to polymeric photoactive agent, photo curable inks containing the polymeric photoactive agent, and methods of making the photo curable inks. The polymeric photoactive agent can include a xanthone analog modified with a polyether chain connecting to the xanthone analog through an ether linkage.
    Type: Application
    Filed: April 30, 2019
    Publication date: August 22, 2019
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Zhang-Lin Zhou, Or Brandstein, Rodney David Stramel, Gregg A. Lane
  • Inks including segment copolymer grafted pigments via azide chemistry
    Patent number: 10377909
    Abstract: Pigment based inks are provided. The inks include a non-polar carrier fluid; and a surface-functionalized pigment particle including a nitrogen-inked moiety to the surface of the pigment particle through a nitrogen link at one end of the nitrogen-linked moiety and a segment copolymer having at least two blocks attached at another end, the pigment particle suspended in the non-polar carrier fluid. A combination of an electronic display and an electronic ink employing the pigment and a process for making the pigment-based inks are also provided.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: August 13, 2019
    Assignee: Hewlett-Packard Development Copmany, L.P.
    Inventors: Zhang-Lin Zhou, Qin Liu
  • LIQUID INK CONTAINING A HYDANTOIN CO-SOLVENT
    Publication number: 20190233666
    Abstract: An example of a liquid ink includes a colorant, a co-solvent, and a balance of water. The co-solvent includes a hydantoin having a general formula (I) or a general formula (II) wherein n is an integer greater than 2 and m is an integer equal to or greater than 2.
    Type: Application
    Filed: October 17, 2016
    Publication date: August 1, 2019
    Inventors: Zhang-Lin Zhou, Benjamin Abelovski
  • POLYMERIC PHOTO ACTIVE AGENTS
    Publication number: 20190233617
    Abstract: The present disclosure is drawn to a polymeric photo active agent which includes diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide modified with a polyether having from 2 to 200 ether groups.
    Type: Application
    Filed: January 31, 2017
    Publication date: August 1, 2019
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventor: Zhang-Lin ZHOU
  • Photo curable ink composition
    Patent number: 10364364
    Abstract: A photo curable ink composition includes a photo-reactive binder, a water soluble polymeric sensitizer, a water soluble photoinitiator, a colorant, and a balance of water. The water soluble polymeric sensitizer includes a functionalized anthrone moiety, a polyether chain, and an amide linkage or an ether linkage attaching one end of the polyether chain to the functionalized anthrone moiety. The water soluble photoinitiator having a formula (I) of: wherein n is any integer from 1 to 5 and M is a metal with a valence from 1 to 5.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: July 30, 2019
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Zhang-Lin Zhou, Yubai Bi, Or Brandstein, Rodney David Stramel, Gregg A. Lane
  • REACTIVE POLYURETHANE DISPERSIONS
    Publication number: 20190218404
    Abstract: The present disclosure is drawn to a reactive polyurethane dispersion including a polymer strand having a polymer backbone that has two ends terminating at a first capping unit and a second capping unit. The polymer backbone can include polymerized monomers including a reactive diol and a diisocyanate. The reactive diol can be an acrylate-containing diol, a methacrylate-containing diol, a styrene-containing diol, or combination thereof. The first capping unit can be a styrene-containing monoalcohol reacted with an isocyanate group of the diisocyanate. The second capping unit can be an ionic stabilizing group.
    Type: Application
    Filed: January 31, 2017
    Publication date: July 18, 2019
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Zhang-Lin ZHOU, Rodney David STRAMEL, Qianhan YANG
  • ACRYLAMIDE-CONTAINING PHOTO ACTIVE CO-SOLVENTS
    Publication number: 20190211217
    Abstract: The present disclosure is drawn to an acrylamide-containing photo active co-solvent, including a bis-tris propane co-solvent or a polypropylene oxide amine co-solvent modified with an acryloyl group to form the acrylamide-containing photo active co-solvent.
    Type: Application
    Filed: January 31, 2017
    Publication date: July 11, 2019
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Zhang-Lin Zhou, Mazi BAR, Gregg A. LANE
  • INKJET PRINTING
    Publication number: 20190193448
    Abstract: The present disclosure relates to an inkjet printing process that comprises inkjet printing an inkjet ink composition onto a substrate to form a printed inkjet ink layer. The inkjet ink composition comprises a colorant, a curable polyurethane dispersion, a photoinitiator and water, wherein the amount of curable polyurethane dispersed in the inkjet ink composition is 0.1 to 30 weight %. A radiation-curable overcoat composition is applied over the printed inkjet ink layer as an overcoat layer. The overcoat composition comprises a curable polyurethane dispersion, a photoinitiator and water. The printed inkjet ink layer is then cured on the substrate by exposing both the overcoat layer and inkjet ink layer on the substrate to radiation.
    Type: Application
    Filed: September 18, 2017
    Publication date: June 27, 2019
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Zhang-Lin ZHOU, Gregg A. LANE, Qianhan YANG
  • INKJET PRINTING
    Publication number: 20190184725
    Abstract: The present disclosure relates to an inkjet printing process that comprises inkjet printing an inkjet ink composition onto a substrate to form a printed inkjet ink layer. The inkjet ink composition comprises a colorant, a curable polyurethane dispersion, a photoinitiator and water, wherein the amount of curable polyurethane dispersed in the inkjet ink composition is 0.1 to 30 weight %. A radiation-curable overcoat composition is inkjet printed over the printed inkjet ink layer as an overcoat layer. The overcoat composition comprises a curable polyurethane dispersion, a photoinitiator and water, wherein the amount of curable polyurethane dispersed in the overcoat composition is 0.1 to 30 weight %. The printed inkjet ink layer is cured by exposing both the printed inkjet ink layer and the overcoat layer on the substrate to radiation.
    Type: Application
    Filed: February 7, 2017
    Publication date: June 20, 2019
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Zhang-Lin ZHOU, Rodney David STRAMEL, Gregg A. LANE
  • CONTROL CIRCUIT OF A RESISTIVE MEMORY CELL OF A MEMORY ARRAY
    Publication number: 20190115075
    Abstract: The present disclosure provides a control circuit of a memory array. The control circuit includes a first switch and a set termination circuit. The first switch is connected between a first voltage source and a data line of a resistive memory cell of the memory array. The set termination circuit has a first terminal connected to a control terminal of the first switch and a second terminal connected to the data line of the resistive memory cell of the memory array. When a data line voltage of the data line decreases to be lower than a first voltage in a first duration of the resistive memory cell performing a set operation, the set termination circuit turns off the first switch to terminate the set operation by stopping providing the first voltage of the first voltage source to the data line.
    Type: Application
    Filed: December 13, 2018
    Publication date: April 18, 2019
    Inventors: Meng-Fan CHANG, Wen-Zhang LIN, Li-Ya LAI
  • MEMORY DEVICE
    Publication number: 20190115074
    Abstract: The present disclosure provides a control circuit of a memory array. The control circuit includes a first switch and a set termination circuit. The first switch is connected between a first voltage source and a data line of a resistive memory cell of the memory array. The set termination circuit has a first terminal connected to a control terminal of the first switch and a second terminal connected to the data line of the resistive memory cell of the memory array. When a data line voltage of the data line decreases to be lower than a first voltage in a first duration of the resistive memory cell performing a set operation, the set termination circuit turns off the first switch to terminate the set operation by stopping providing the first voltage of the first voltage source to the data line.
    Type: Application
    Filed: December 13, 2018
    Publication date: April 18, 2019
    Inventors: Meng-Fan CHANG, Wen-Zhang LIN, Li-Ya LAI
  • Control circuit configured to terminate a set operation and a reset operation of a resistive memory cell of memory array based on the voltage variation on the data line of the resistive memory cell
    Patent number: 10204681
    Abstract: The present disclosure provides a control circuit of a memory array. The control circuit includes a first switch and a set termination circuit. The first switch is connected between a first voltage source and a data line of a resistive memory cell of the memory array. The set termination circuit has a first terminal connected to a control terminal of the first switch and a second terminal connected to the data line of the resistive memory cell of the memory array. When a data line voltage of the data line decreases to be lower than a first voltage in a first duration of the resistive memory cell performing a set operation, the set termination circuit turns off the first switch to terminate the set operation by stopping providing the first voltage of the first voltage source to the data line.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: February 12, 2019
    Assignee: NATIONAL TSING HUA UNIVERSITY
    Inventors: Meng-Fan Chang, Wen-Zhang Lin, Li-Ya Lai
  • WRITE TERMINATION WITH AUTO-WRITE FOR RESISTIVE TYPE MEMORY
    Publication number: 20180330785
    Abstract: The present disclosure provides a control circuit of a memory array. The control circuit includes a first switch and a set termination circuit. The first switch is connected between a first voltage source and a data line of a resistive memory cell of the memory array. The set termination circuit has a first terminal connected to a control terminal of the first switch and a second terminal connected to the data line of the resistive memory cell of the memory array. When a data line voltage of the data line decreases to be lower than a first voltage in a first duration of the resistive memory cell performing a set operation, the set termination circuit turns off the first switch to terminate the set operation by stopping providing the first voltage of the first voltage source to the data line.
    Type: Application
    Filed: May 9, 2017
    Publication date: November 15, 2018
    Inventors: Meng-Fan CHANG, Wen-Zhang LIN, Li-Ya LAI
  • PHOTO CURABLE INK COMPOSITION
    Publication number: 20180194955
    Abstract: A photo curable ink composition includes a photo-reactive binder, a water soluble polymeric sensitizer, a water soluble photoinitiator, a colorant, and a balance of water. The water soluble polymeric sensitizer includes a functionalized anthrone moiety, a polyether chain, and an amide linkage or an ether linkage attaching one end of the polyether chain to the functionalized anthrone moiety. The water soluble photoinitiator having a formula (I) of: wherein n is any integer from 1 to 5 and M is a metal with a valence from 1 to 5.
    Type: Application
    Filed: October 29, 2015
    Publication date: July 12, 2018
    Inventors: Zhang-Lin Zhou, Yubai Bi, Or Brandstein, Rodney David Stramel, Gregg A. Lane
  • Resistive memory device having field enhanced features
    Patent number: 9997703
    Abstract: A resistive memory device includes a bottom electrode and a top electrode sandwiching a switching layer. The device also includes a field enhancement (FE) feature that extends from the bottom electrode either into the switching layer or is covered by switching layer and that is to enhance an electric field generated by the two electrodes to thereby confine a switching area of the device at the FE feature. The device further includes a planar interlayer dielectric surrounding the device, for supporting the top electrode. A method of making a resistive memory device, employing in-situ vacuum deposition of all layers, is also provided.
    Type: Grant
    Filed: July 25, 2013
    Date of Patent: June 12, 2018
    Assignee: Hewlett Packard Enterprise Development LP
    Inventors: Si-Ty Lam, Xia Sheng, Richard H. Henze, Zhang-Lin Zhou
  • POLYMERIC AMINE SYNERGIST
    Publication number: 20180112037
    Abstract: A polymeric amine synergist is disclosed herein. An example of the polymeric amine synergist includes an aniline moiety, a polyethylene glycol chain, and an ether linkage attaching one end of the polyethylene glycol chain to the aniline moiety. The polymeric amine synergist may be included in a photo curable ink composition.
    Type: Application
    Filed: July 9, 2015
    Publication date: April 26, 2018
    Inventors: Zhang-Lin Zhou, Rodney David Stramel, Gregg A. Lane
  • Coated photoconductors
    Patent number: 9933715
    Abstract: The present disclosure is related to coated photoconductors. In an example, a coated photoconductor can comprise a photoconductor including a substrate having a charge generation layer and charge transport layer adhered thereto and a top coating adhered to the photoconductor.
    Type: Grant
    Filed: June 13, 2016
    Date of Patent: April 3, 2018
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Krzysztof Nauka, Zhang-Lin Zhou, Hou T. Ng
  • POLYMERIC AMINE SYNERGIST COMPOSITIONS
    Publication number: 20180072845
    Abstract: The present disclosure is drawn to polymeric amine synergist compositions. The polymeric amine synergist composition can include a polymeric amine synergist including an aminobenzene modified with a polyether chain connecting to the aminobenzene through an ether linkage. The polymeric amine synergist can be present in a reaction product mixture with either i) an aminophenol, or ii) a carbonate base.
    Type: Application
    Filed: December 15, 2015
    Publication date: March 15, 2018
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Zhang-Lin Zhou, Rodney David Stramel, Gregg A. Lane
  • POLYMERIC AMINE SYNERGISTS
    Publication number: 20180016393
    Abstract: The present disclosure is drawn to polymeric amine synergists, photo curable inks containing the polymeric amine synergists, and methods of making the photo curable inks. A polymeric amine synergist can include an aminobenzene modified with a polyether chain connecting to the aminobenzene through an amide linkage.
    Type: Application
    Filed: January 27, 2015
    Publication date: January 18, 2018
    Inventors: Zhang-Lin Zhou, Rodney David Stramel, Gregg A. Lane
  • POLYMERIC PHOTOACTIVE AGENTS
    Publication number: 20180009945
    Abstract: The present disclosure is drawn to polymeric photoactive agent, photo curable inks containing the polymeric photoactive agent, and methods of making the photo curable inks. The polymeric photoactive agent can include a xanthone analog modified with a polyether chain connecting to the xanthone analog through an ether linkage.
    Type: Application
    Filed: January 27, 2015
    Publication date: January 11, 2018
    Inventors: Zhang-Lin Zhou, Or Brandstein, Rodney David Stramel, Gregg A. Lane