Patents by Inventor Hualong Pan

Hualong Pan 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: 20130247991
    Abstract: Disclosed are certain polymeric compounds and their use as organic semiconductors in organic and hybrid optical, optoelectronic, and/or electronic devices such as photovoltaic cells, light emitting diodes, light emitting transistors, and field effect transistors. The disclosed compounds can provide improved device performance, for example, as measured by power conversion efficiency, fill factor, open circuit voltage, field-effect mobility, on/off current ratios, and/or air stability when used in photovoltaic cells or transistors. The disclosed compounds can have good solubility in common solvents enabling device fabrication via solution processes.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 26, 2013
    Inventors: Antonio Facchetti, Kap-Soo Cheon, Hualong Pan, Martin Drees
  • Publication number: 20130247990
    Abstract: Disclosed are certain polymeric compounds and their use as organic semiconductors in organic and hybrid optical, optoelectronic, and/or electronic devices such as photovoltaic cells, light emitting diodes, light emitting transistors, and field effect transistors. The disclosed compounds can provide improved device performance, for example, as measured by power conversion efficiency, fill factor, open circuit voltage, field-effect mobility, on/off current ratios, and/or air stability when used in photovoltaic cells or transistors. The disclosed compounds can have good solubility in common solvents enabling device fabrication via solution processes.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 26, 2013
    Inventors: Antonio Facchetti, Hakan Usta, Hualong Pan, Martin Drees, Mitchell Denti
  • Publication number: 20130098448
    Abstract: Disclosed are certain polymeric compounds and their use as organic semiconductors in organic and hybrid optical, optoelectronic, and/or electronic devices such as photovoltaic cells, light emitting diodes, light emitting transistors, and field effect transistors. The disclosed compounds can provide improved device performance, for example, as measured by power conversion efficiency, fill factor, open circuit voltage, field-effect mobility, on/off current ratios, and/or air stability when used in photovoltaic cells or transistors. The disclosed compounds can have good solubility in common solvents enabling device fabrication via solution processes.
    Type: Application
    Filed: December 14, 2012
    Publication date: April 25, 2013
    Inventors: Zhengguo Zhu, Martin Drees, Hualong Pan, Yan Yao, He Yan, Shaofeng Lu, Antonio Facchetti
  • Publication number: 20130035464
    Abstract: Disclosed are molecular and polymeric compounds having desirable properties as semiconducting materials. Such compounds can exhibit desirable electronic properties and possess processing advantages including solution-processability and/or good stability.
    Type: Application
    Filed: August 1, 2012
    Publication date: February 7, 2013
    Inventors: Antonio Facchetti, Chun Huang, Hualong Pan
  • Patent number: 8334456
    Abstract: Disclosed are certain polymeric compounds and their use as organic semiconductors in organic and hybrid optical, optoelectronic, and/or electronic devices such as photovoltaic cells, light emitting diodes, light emitting transistors, and field effect transistors. The disclosed compounds can provide improved device performance, for example, as measured by power conversion efficiency, fill factor, open circuit voltage, field-effect mobility, on/off current ratios, and/or air stability when used in photovoltaic cells or transistors. The disclosed compounds can have good solubility in common solvents enabling device fabrication via solution processes.
    Type: Grant
    Filed: May 21, 2010
    Date of Patent: December 18, 2012
    Assignee: Polyera Corporation
    Inventors: Zhengguo Zhu, Martin Drees, Hualong Pan, Yan Yao, He Yan, Shaofeng Lu, Antonio Facchetti
  • 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
  • Publication number: 20120227812
    Abstract: Disclosed are new semiconducting polymers. The polymers disclosed herein can exhibit high carrier mobility and/or efficient light absorption/emission characteristics, and can possess certain processing advantages such as solution-processability and/or good stability at ambient conditions.
    Type: Application
    Filed: March 7, 2012
    Publication date: September 13, 2012
    Inventors: Jordan Quinn, Hualong Pan, Antonio Facchetti
  • Publication number: 20120187385
    Abstract: Disclosed are certain oligomeric and polymeric compounds and their use as organic semiconductors in organic and hybrid optical, optoelectronic, and/or electronic devices such as photovoltaic cells, light emitting diodes, light emitting transistors, and field effect transistors. The disclosed compounds can provide high power conversion efficiency, fill factor, open circuit voltage, field-effect mobility, on/off current ratios, and/or air stability when used in photovoltaic cells or transistors. The disclosed compounds can have good solubility in common solvents enabling device fabrication via solution processes.
    Type: Application
    Filed: November 21, 2011
    Publication date: July 26, 2012
    Inventors: Hualong Pan, He Yan, Yan Yao, Shaofeng Lu, Zhengguo Zhu, Antonio Facchetti
  • Publication number: 20120186652
    Abstract: Disclosed are certain polymeric compounds and their use as organic semiconductors in organic and hybrid optical, optoelectronic, and/or electronic devices such as photovoltaic cells, light emitting diodes, light emitting transistors, field effect transistors, and photodetectors. The disclosed compounds can provide improved device performance, for example, as measured by power conversion efficiency, fill factor, open circuit voltage, field-effect mobility, on/off current ratios, and/or air stability when used in photovoltaic cells or transistors. The disclosed compounds can have good solubility in common solvents enabling device fabrication via solution processes.
    Type: Application
    Filed: November 24, 2011
    Publication date: July 26, 2012
    Inventors: Hualong Pan, Martin Drees, Zhengguo Zhu, Yan Yao, Shaofeng Lu, Antonio Facchetti
  • 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: 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
  • Patent number: 7968871
    Abstract: Organic thin film transistors with improved mobility are disclosed. The semiconducting layer comprises a semiconductor material of Formula (I): wherein R1 and R2 are independently selected from alkyl, substituted alkyl, aryl, and substituted aryl; and R3 and R4 are independently selected from hydrogen, alkyl, substituted alkyl, aryl, and substituted aryl. A silanized interfacial layer is also present which has alkyl sidechains extending from its surface towards the semiconducting layer.
    Type: Grant
    Filed: April 11, 2008
    Date of Patent: June 28, 2011
    Assignee: Xerox Corporation
    Inventors: Yiliang Wu, Hualong Pan, Ping Liu, Yuning Li
  • Publication number: 20110034668
    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: Application
    Filed: October 19, 2010
    Publication date: February 10, 2011
    Applicant: XEROX CORPORATION
    Inventors: Beng S. Ong, Hualong Pan, Yuning Li, Yiliang Wu, Ping Liu
  • Publication number: 20100307594
    Abstract: Disclosed are certain polymeric compounds and their use as organic semiconductors in organic and hybrid optical, optoelectronic, and/or electronic devices such as photovoltaic cells, light emitting diodes, light emitting transistors, and field effect transistors. The disclosed compounds can provide improved device performance, for example, as measured by power conversion efficiency, fill factor, open circuit voltage, field-effect mobility, on/off current ratios, and/or air stability when used in photovoltaic cells or transistors. The disclosed compounds can have good solubility in common solvents enabling device fabrication via solution processes.
    Type: Application
    Filed: May 21, 2010
    Publication date: December 9, 2010
    Inventors: Zhengguo Zhu, Martin Drees, Hualong Pan, Yan Yao, He Yan, Shaofeng Lu, Antonio Facchetti
  • Patent number: 7834132
    Abstract: An electronic device, such as a thin film transistor containing a semiconductor of Formula/Structure 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 25, 2006
    Date of Patent: November 16, 2010
    Assignee: Xerox Corporation
    Inventors: Beng S. Ong, Hualong Pan, Yuning Li, Yiliang Wu, Ping Liu
  • Patent number: 7821068
    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: Grant
    Filed: August 18, 2008
    Date of Patent: October 26, 2010
    Assignee: Xerox Corporation
    Inventors: Yiliang Wu, Ping Liu, Yuning Li, Hualong Pan
  • Patent number: 7820782
    Abstract: A polymer of the formula/structure wherein R, R?, and R? are, for example, a suitable hydrocarbon, a halogen (halide) a hetero-containing group, or mixtures thereof; and n represents the number of repeating groups.
    Type: Grant
    Filed: October 25, 2006
    Date of Patent: October 26, 2010
    Assignee: Xerox Corporation
    Inventors: Beng S. Ong, Hualong Pan, Yuning Li, Yiliang Wu, Ping Liu
  • 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