Patents by Inventor Zhenan Bao

Zhenan Bao 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).

  • SELF-HEALING COMPOSITE AND DEVICE INCLUDING SELF-HEALING FILM
    Publication number: 20200002501
    Abstract: A self-healing composite includes a matrix including an elastomer and conductive nanostructures embedded in the matrix, wherein the elastomer includes a polymer main chain, a —HN—C(?O)—NH— containing first structural unit capable of forming a strong hydrogen bond, and a —HN—C(?O)—NH— containing second structural unit capable of forming a weak hydrogen bond.
    Type: Application
    Filed: July 1, 2019
    Publication date: January 2, 2020
    Applicants: Samsung Electronics Co., Ltd., THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY
    Inventors: Youngjun Yun, Donghee Son, Jiheong Kang, Zhenan Bao, Orestis Vardoulis
  • ELECTRICALLY CONDUCTIVE HYDROGELS WITH TUNABLE PROPERTIES
    Publication number: 20190390068
    Abstract: A manufacturing method includes: inducing gelation of an electrically conductive polymer to form a gel; infiltrating the gel with a solution including monomers; and polymerizing the monomers to form a secondary polymer network intermixed with the electrically conductive polymer.
    Type: Application
    Filed: June 25, 2019
    Publication date: December 26, 2019
    Applicant: THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY
    Inventors: Vivian R. Feig, Helen Tran, Zhenan Bao
  • ORGANIC THIN FILM AND ORGANIC SENSOR AND ELECTRONIC DEVICE
    Publication number: 20190372005
    Abstract: Disclosed are an organic thin film including a semiconducting polymer including a ligand that is metal-coordination bondable or is metal-coordination bonded and an elastomer including a ligand that is metal-coordination bondable or is metal-coordination bonded, wherein the semiconducting polymer and the elastomer are configured to be dynamic intermolecular bonded by a metal-coordination bond, an organic sensor, and an electronic device.
    Type: Application
    Filed: May 22, 2019
    Publication date: December 5, 2019
    Applicants: Samsung Electronics Co., Ltd., THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY
    Inventors: Youngjun YUN, Donghee SON, Jin Young OH, Zhenan BAO, Toru KATSUMATA
  • Polar elastomers for high performance electronic and optoelectronic devices
    Patent number: 10431757
    Abstract: An electronic or optoelectronic device includes: (1) a semiconductor layer; (2) a dielectric layer in contact with the semiconductor layer and including a polar elastomer; and (3) an electrode. The dielectric layer is disposed between the electrode and the semiconductor layer, and the polar elastomer includes a backbone structure and polar groups that are bonded as side chains to the backbone structure, and each of the polar groups includes 2 or more atoms.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: October 1, 2019
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Zhenan Bao, Chao Wang, Wen Ya Lee, Guillaume Schweicher, Desheng Kong
  • Isolating semiconducting single-walled nanotubes or metallic single-walled nanotubes and approaches therefor
    Patent number: 10395804
    Abstract: Embodiments in accordance with the present disclosure include methods, polymers, and complexes. For example, a method embodiments includes providing a solution including a disassembled supramolecular polymer and a bond disrupting agent, adding an antisolvent to the solution to precipitate the supramolecular polymer, and isolating the precipitated supramolecular polymer from the bond disrupting agent. The isolated supramolecular polymer is configured to selectively disperse single-walled carbon nanotubes (SWNTs) of a particular electrical type from a SWNT mixture including SWNTS of at least two electrical types.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: August 27, 2019
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Zhenan Bao, Igor Pochorovski
  • Sorting of carbon nanotubes
    Patent number: 10388881
    Abstract: Provided is a process for preparing a composition comprising semiconducting single-walled carbon nanotubes, a semiconducting polymer and solvent A (composition A), which process comprises the step of separating composition A from a composition comprising semiconducting and metallic single-walled carbon nanotubes, the semiconducting polymer and solvent B (composition B), wherein the semiconducting polymer has a band gap in the range of 0.5 to 1.8 eV and solvent A and B comprise an aromatic or a heteroaromatic solvent, composition A itself, a process for forming an electronic device, which process comprises the step of forming a layer by applying composition A to a precursor of the electronic device, as well as the electronic device obtainable by this process.
    Type: Grant
    Filed: August 7, 2015
    Date of Patent: August 20, 2019
    Assignees: BASF SE, THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY
    Inventors: Zhenan Bao, Ting Lei, Ying-Chih Lai, Huiliang Wang, Pascal Hayoz, Thomas Weitz
  • STRETCHABLE POLYMER ELECTROLYTE, STRETCHABLE ELECTRODE, STRETCHABLE POLYMER, ELECTROCHEICAL DEVICE, AND METHOD OF PREPARING STRETCHABLE POLYMER
    Publication number: 20190229371
    Abstract: A stretchable polymer electrolyte includes a stretchable copolymer; a lithium salt; and an organic liquid, wherein the stretchable copolymer includes a non-crosslinked first repeating unit, a non-crosslinked second repeating unit, and a crosslinked third repeating unit, the first repeating unit includes a first hard segment and a first soft segment, the second repeating unit includes a second hard segment and a second soft segment, and the third repeating unit includes a third hard segment and a third soft segment.
    Type: Application
    Filed: October 17, 2018
    Publication date: July 25, 2019
    Inventors: Minsang SONG, Yongming SUN, Jeffrey LOPEZ, Yi CUI, Zhenan BAO
  • Method of selective separation of semiconducting carbon nanotubes, dispersion of semiconducting carbon nanotubes, and electronic device including carbon nanotubes separated by using the method
    Patent number: 10355216
    Abstract: According to example embodiments, a method includes dispersing carbon nanotubes in a mixed solution containing a solvent, the carbon nanotubes, and a dispersant, the carbon nanotubes including semiconducting carbon nanotubes, the dispersant comprising a polythiophene derivative including a thiophene ring and a hydrocarbon sidechain linked to the thiophene ring. The hydrocarbon sidechain includes an alkyl group containing a carbon number of 7 or greater. The hydrocarbon sidechain may be regioregularly arranged, and the semiconducting carbon nanotubes are selectively separated from the mixed solution. An electronic device includes semiconducting carbon nanotubes and the foregoing described polythiophene derivative.
    Type: Grant
    Filed: October 11, 2016
    Date of Patent: July 16, 2019
    Assignees: Samsung Electronics Co., Ltd., The Board of Trustees of the Leland Stanford Jr. University
    Inventors: Young-jun Park, Jong-min Kim, Hang-woo Lee, Zhenan Bao
  • STRETCHABLE, TOUGH, AND SELF-HEALING ELASTOMER AND APPLICATIONS THEREOF
    Publication number: 20190106544
    Abstract: Various embodiments are directed to apparatuses and methods involving an elastomer material comprising a flexible polymer backbone with a particular ratio of at least first moieties and second moieties. The first moieties provide a first number of dynamic bonds resulting from interactions between the first moieties and the second moieties provide a second number of dynamic bonds resulting from interactions between the second moieties, the second number of dynamic bonds having a weaker bonding strength than the first number of dynamic bonds. The elastomer material, based on the ratio of the first moieties and second moieties, exhibits autonomous self-healing, a particular toughness, and is stretchable.
    Type: Application
    Filed: October 9, 2018
    Publication date: April 11, 2019
    Inventors: Zhenan Bao, Jiheong Kang, Donghee Son
  • FLEXIBLE AND SELF-HEALING ELASTOMER-BASED MODULAR ELECTRONICS AND APPLICATIONS THEREOF
    Publication number: 20190110363
    Abstract: Various embodiments are directed to a method of forming an apparatus including placing a first electronic circuit in contact with a second electronic circuit, wherein each of the first and second electronic circuits have connector circuits configured and arranged to provide an electrical connection between the first and second electronic circuits and are formed with a polymer film that is configured to adhere, via self-healing, to another polymer film. The method further includes, in response to the contact, causing or facilitating the self-healing of the respective polymer films of the first and second electronic circuits, thereby creating the electrical connection therebetween.
    Type: Application
    Filed: October 9, 2018
    Publication date: April 11, 2019
    Inventors: Zhenan Bao, Jiheong Kang, Donghee Son, Orestis Vardoulis
  • FAST AND REVERSIBLE THERMORESPONSIVE POLYMER SWITCHING MATERIALS
    Publication number: 20190016871
    Abstract: A polymer composite includes a polymeric matrix and conductive fillers dispersed in the polymeric matrix. The polymeric matrix includes a polymer having a thermal expansion coefficient of at least about 100 ?m/(m K), and the conductive fillers have surface texturing.
    Type: Application
    Filed: January 9, 2017
    Publication date: January 17, 2019
    Applicant: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Zhenan Bao, Yi Cui, Zheng Chen
  • Polymeric dielectrics, methods of manufacturing the same, and electronic devices and thin film transistors including the same
    Patent number: 10177326
    Abstract: A polymeric dielectric may include a coordination complex of a modified elastic polymer and a metal cation. The modified elastic polymer may include an organic ligand moiety that coordinates the metal cation in a main chain of the elastic polymer. Provided are a method of manufacturing the same, and an electronic device and a thin film transistor including the same.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: January 8, 2019
    Assignees: Samsung Electronics Co., Ltd., The Board of Trustees of the Leland Stanford Junior University
    Inventors: Jong Won Chung, Sangyoon Lee, Ying-Li Rao, Zhenan Bao
  • Self-healing polymers and applications thereof
    Patent number: 10160835
    Abstract: A self-healing polymer includes metal ions and a polymer network including polymer chains cross-linked through coordination bonds with the metal ions. Each polymer chain includes ligands within a backbone of the polymer chain, and the ligands include metal ion coordination sites.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: December 25, 2018
    Assignees: The Board of Trustees of the Leland Stanford Junior University, Nanjing University
    Inventors: Chao Wang, Cheng-Hui Li, Zhenan Bao
  • Methods and apparatus concerning solution shearing a transparent and conductive polymer film
    Patent number: 10155876
    Abstract: Various embodiments include apparatus and methods of forming an apparatus using a solution shearing process. An example method includes providing a shearing blade on a portion of a substrate coated with a polymeric conductor material and controlling generation of a transparent and conductive polymer film on the substrate by moving the shearing blade in a direction, to generate shear stress to the polymeric conductor material, and according to shearing deposition parameters.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: December 18, 2018
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Zhenan Bao, Sean C. Andrews, Brian J. Worfolk, Stefan C. B. Mannsfeld
  • DEGRADABLE CONJUGATED POLYMERS
    Publication number: 20180346336
    Abstract: A polymer comprising at least one unit of the formula (1) wherein T1 is a carbon atom or a nitrogen atom, T2 is a carbon atom if T1 is a nitrogen atom, or is a nitrogen atom if T1 is a carbon atom, r is 1, 2, 3 or 4, s is 1, 2, 3, or 4, M1 is preferably selected from the group consisting of M2 is preferably The polymers are prepared by reacting monomers (1a) with monomers (2a) H2N-[-M1-]r-NH2 (1a) OHC-[-M2-]s-CHO (2a) or the step of reacting monomers (1b) with monomers (2b) OHC-[-M1-]r-CHO (1b) H2N-[-M2-]s-NH2 (2b).
    Type: Application
    Filed: November 22, 2016
    Publication date: December 6, 2018
    Applicant: The Board of Trustees of the Leland Stanford Junior University Office of the General Counsel
    Inventors: Zhenan BAO, Ting LEI
  • POLAR ELASTOMERS FOR HIGH PERFORMANCE ELECTRONIC AND OPTOELECTRONIC DEVICES
    Publication number: 20180351120
    Abstract: An electronic or optoelectronic device includes: (1) a semiconductor layer; (2) a dielectric layer in contact with the semiconductor layer and including a polar elastomer; and (3) an electrode. The dielectric layer is disposed between the electrode and the semiconductor layer, and the polar elastomer includes a backbone structure and polar groups that are bonded as side chains to the backbone structure, and each of the polar groups includes 2 or more atoms.
    Type: Application
    Filed: April 23, 2018
    Publication date: December 6, 2018
    Applicant: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Zhenan Bao, Chao Wang, Wen Ya Lee, Guillaume Schweicher, Desheng Kong
  • HIGHLY STRETCHABLE, TRANSPARENT, AND CONDUCTIVE POLYMER
    Publication number: 20180327543
    Abstract: A polymer composition includes a conductive polymer and at least one stretchability and electrical conductivity (STEC) enhancer, wherein a content of the STEC enhancer in the composition is at least about 1 wt. % of the composition.
    Type: Application
    Filed: January 13, 2017
    Publication date: November 15, 2018
    Applicant: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Yue Wang, Zhenan Bao
  • POLYMER AND ELECTRONIC DEVICE AND ORGANIC THIN FILM TRANSISTOR INCLUDING THE SAME
    Publication number: 20180323376
    Abstract: A polymer includes a first repeating unit and a second repeating unit forming a main chain, the first repeating unit including at least one first conjugated system, and the second repeating unit including at least one second conjugated system and a multiple hydrogen bonding moiety represented by Chemical Formula 1.
    Type: Application
    Filed: July 12, 2018
    Publication date: November 8, 2018
    Applicants: Samsung Electronics Co., Ltd., The Board of Trustees of the Leland Stanford Jr. University
    Inventors: Jong Won CHUNG, Sangyoon LEE, Zhenan BAO, Simon RONDEAU-GAGNE, Bob C. SCHROEDER, Jinyoung OH, Yu-Cheng CHIU, Franziska LISSEL
  • Polymer and electronic device and organic thin film transistor including the same
    Patent number: 10050203
    Abstract: A polymer includes a first repeating unit and a second repeating unit forming a main chain, the first repeating unit including at least one first conjugated system, and the second repeating unit including at least one second conjugated system and a multiple hydrogen bonding moiety represented by Chemical Formula 1.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: August 14, 2018
    Assignees: Samsung Electronics Co., Ltd., The Board of Trustees of the Leland Stanford Junior University
    Inventors: Jong Won Chung, Sangyoon Lee, Zhenan Bao, Simon Rondeau-Gagne, Bob C. Schroeder, Jinyoung Oh, Yu-cheng Chiu, Franziska Lissel
  • Methods and apparatus concerning sensitive force sensors
    Patent number: 10037098
    Abstract: Embodiments in accordance with the present disclosure include apparatuses, devices, and methods. For example, an apparatus includes an electronic force sensor having a first opposing electrode and a second opposing electrode. The first and second opposing electrodes are configured to generate an output indicative of a force applied to the electronic force sensor. The electronic force sensor further includes a plurality of recoverably-deformable structures arranged between the first and the second opposing electrodes and having a plurality of conductive-resistive elements. Each of the recoverably-deformable structures including at least one of a variable conductor and a variable resistor and configured and arranged with attributes that set a force sensitivity of the electronic force sensor.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: July 31, 2018
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Zhenan Bao, Alex L. Chortos, Ho-Hsiu Chou