Patents by Inventor Weiying Gao

Weiying Gao 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: 20120065402
    Abstract: There is provided an organic electronic device having an anode, a hole injection layer, a photoactive layer, an electron transport layer, and a cathode. At least one of the photoactive layer and the electron transport layer includes a compound having Formula I where: R1 is the same or different and can be phenyl, biphenyl, naphthyl, naphthylphenyl, triphenylamino, or carbazolylphenyl; and one of the following conditions is met: (i) R2=R3 and is H, phenyl, biphenyl, naphthyl, naphthylphenyl, arylanthracenyl, phenanthryl, triphenylamino, or carbazolylphenyl; or (ii) R2 is H or phenyl; and R3 is phenyl, biphenyl, naphthyl, naphthylphenyl, arylanthracenyl, phenanthryl, triphenylamino, and carbazolylphenyl; When both R1 are phenyl, R2 and R3 can be 2-naphthyl, naphthylphenyl, arylanthracenyl, 9-phenanthryl, triphenylamino, or m-carbazolylphenyl.
    Type: Application
    Filed: November 18, 2011
    Publication date: March 15, 2012
    Applicant: E.I.DU PONT DE NEMOURS AND COMPANY
    Inventors: NORMAN HERRON, Mark A. Guidry, Vsevolod Rostovtsev, Weiying Gao, Ying Wang, Yulong Shen, Jeffrey A. Merlo
  • Publication number: 20120037898
    Abstract: This invention relates to chrysene compounds that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such a chrysene compound.
    Type: Application
    Filed: May 19, 2010
    Publication date: February 16, 2012
    Applicant: E.I. du Pont de Nemours and Company
    Inventors: Weishi Wu, Norman Herron, Vsevolod Rostovtsev, Jeffrey A. Merlo, Weiying Gao
  • Publication number: 20120001164
    Abstract: There is provided an organic electronic device including an anode; a photoactive layer; an electron transport layer; an electron tunneling layer having a thickness in the range of 10-50 ?; and a cathode.
    Type: Application
    Filed: May 11, 2010
    Publication date: January 5, 2012
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Weiying Gao, Dean T. Deibler
  • Publication number: 20110215715
    Abstract: This invention relates to chrysene compounds that are useful in electroluminescent applications and are capable of blue or green emission. It also relates to electronic devices in which the active layer includes such a chrysene compound.
    Type: Application
    Filed: November 19, 2009
    Publication date: September 8, 2011
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Weishi Wu, Norman Herron, Vsevolod Rostovtsev, Jeffrey A. Merlo, Weiying Gao
  • Publication number: 20110147718
    Abstract: There is provided an electroactive composition including: a deuterated first host material and an electroluminescent dopant material. The first host is a compound having Formula I: The compound of Formula I is deuterated. In Formula I: Ar1 to Ar4 are the same or different and are aryl; Q is a multivalent aryl group or where T is (CR?)a, SiR2, S, SO2, PR, PO, PO2, BR, or R; R is the same or different at each occurrence and is an alkyl group or an ary group; R? is the same or different at each occurrence and is selected H, D, or alkyl; a is an integer from 1-6; and m is an integer from 0-6.
    Type: Application
    Filed: December 21, 2009
    Publication date: June 23, 2011
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Michael Henry Howard, JR., Nora Sabina Radu, Weishi Wu, Weiying Gao, Norman Herron, Eric Maurice Smith, Christina M. Older, Adam Fennimore, Ying Wang, Daniel David Lecloux, Kalindi Dogra, Vsevolod Rostovtsev, Jerald Feldman, Siddhartha Shenoy
  • Publication number: 20110148287
    Abstract: This invention relates to deuterated electron transfer compounds useful in electronic applications. It also relates to electronic devices in which the electron transfer layer includes zirconium compounds with at least one of the aryl compounds containing some deuteration.
    Type: Application
    Filed: December 21, 2009
    Publication date: June 23, 2011
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Adam Fennimore, Weiying Gao
  • Publication number: 20110133632
    Abstract: This invention relates to at least one deuterated aryl-anthracene compound of a combination useful in electronic applications. It also relates to electronic devices in which the active layer includes two distinct aryl-anthracene acompounds with at least one of the compounds containing some deuteration.
    Type: Application
    Filed: December 21, 2009
    Publication date: June 9, 2011
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: DANIEL DAVID LECLOUX, ADAM FENNIMORE, WEIYING GAO
  • Publication number: 20110121269
    Abstract: This invention relates to deuterated aryl-anthracene compounds that are useful in electronic applications. It also relates to electronic devices in which the active layer includes such a deuterated compound.
    Type: Application
    Filed: May 19, 2010
    Publication date: May 26, 2011
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: DANIEL DAVID LECLOUX, ADAM FENNIMORE, WEIYING GAO, NORA SABINA RADU, WEISHI WU, VSEVOLOD ROSTOVTSEV, MICHAEL HENRY HOWARD, JR., HONG MENG, YULONG SHEN
  • Publication number: 20110114925
    Abstract: The present disclosure relates to buffer bilayers, and their use in electronic devices. The bilayer has a first layer including at least one electrically conductive polymer doped with at least one highly-fluorinated acid polymer, and a second layer including inorganic nanoparticles.
    Type: Application
    Filed: December 23, 2008
    Publication date: May 19, 2011
    Inventors: Che-Hsiung Hsu, Weiying Gao
  • Publication number: 20110057173
    Abstract: This invention relates to deuterated aryl-anthracene compounds that are useful in electronic applications. It also relates to electronic devices in which the active layer includes such a deuterated compound.
    Type: Application
    Filed: March 1, 2010
    Publication date: March 10, 2011
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Daniel David LeCloux, Adam Fennimore, Weiying Gao, Nora Sabina Radu, Weishi Wu, Vsevolod Rostovtsev, Michael Henry Howard, JR.
  • Publication number: 20110037057
    Abstract: This invention relates to deuterated aryl-anthracene compounds that are useful in electronic applications. It also relates to electronic devices in which the active layer includes such a deuterated compound.
    Type: Application
    Filed: December 21, 2009
    Publication date: February 17, 2011
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Daniel David LeCloux, Adam Fennimore, Weiying Gao, Nora Sabina Radu, Weishi Wu, Vsevolod Rostovtsev, Michael Henry Howard, JR., Hong Meng, Yulong Shen, Jeffrey A. Merlo, Eric Maurice Smith
  • Publication number: 20110037381
    Abstract: There is provided an electroluminescent composition. The composition includes a material having Formula I In Formula I: R1 is the same or different at each occurrence and is selected from D, alkyl, alkoxy, silyl, and siloxane, or adjacent R1 groups may be joined together to form a 5- or 6-membered aliphatic ring; Ar1 and Ar2 are the same or different and are aryl groups; a is an integer from 0 to 6; b is an integer from 0 to 2; and c is an integer from 0 to 3.
    Type: Application
    Filed: December 21, 2009
    Publication date: February 17, 2011
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Vsevolod Rostovtsev, Weiying Gao, Jeffrey A. Merlo
  • Publication number: 20110037056
    Abstract: There is provided a photoactive composition including: (a) a first host material having a HOMO energy level shallower than or equal to ?5.6 eV and having a Tg greater than 95° C.; (b) a second host material having a LUMO deeper than ?2.0 eV; and (c) an electroluminescent dopant material. The weight ratio of first host material to second host material is in the range of 99:1 to 1.5:1.
    Type: Application
    Filed: December 11, 2009
    Publication date: February 17, 2011
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Charles J. Dubois, Weiying Gao, Norman Herron, Hong Meng, Jeffrey A. Merlo, Vsevolod Rostovtsev, Weishi Wu
  • Publication number: 20100252819
    Abstract: A compound having at least two diarylamino moieties and at least 10% deuteration.
    Type: Application
    Filed: December 21, 2009
    Publication date: October 7, 2010
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: DANIEL DAVID LECLOUX, Adam Fennimore, Weiying Gao, Nora Sabina Radu, Michael Henry Howard, JR., Gary A. Johansson, Kalindi Dogra, Eric Maurice Smith, Kyung-Ho Park
  • Publication number: 20100207108
    Abstract: There is provided an organic electronic device having an anode, a hole injection layer, a photoactive layer, an electron transport layer, and a cathode. At least one of the photoactive layer and the electron transport layer includes a compound having Formula I where: R1 is the same or different and can be phenyl, biphenyl, naphthyl, naphthylphenyl, triphenylamino, or carbazolylphenyl; and one of the following conditions is met: (i) R2?R3 and is H, phenyl, biphenyl, naphthyl, naphthylphenyl, arylanthracenyl, phenanthryl, triphenylamino, or carbazolylphenyl; or (ii) R2 is H or phenyl; and R3 is phenyl, biphenyl, naphthyl, naphthylphenyl, arylanthracenyl, phenanthryl, triphenylamino, and carbazolylphenyl; When both R1 are phenyl, R2 and R3 can be 2-naphthyl, naphthylphenyl, arylanthracenyl, 9-phenanthryl, triphenylamino, or m-carbazolylphenyl.
    Type: Application
    Filed: December 22, 2009
    Publication date: August 19, 2010
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Norman Herron, Mark A. Guidry, Vsevolod Rostovtsev, Weiying Gao, Ying Wang, Yulong Shen, Jeffrey A. Merlo
  • Publication number: 20100187508
    Abstract: This invention relates to anthracene derivatives that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such an anthracene derivative.
    Type: Application
    Filed: December 18, 2009
    Publication date: July 29, 2010
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Norman Herron, Weiying Gao, Adam Fennimore, Mark A. Guidry
  • Publication number: 20100187982
    Abstract: The present invention relates to buffer bilayers, and their use in electronic devices. The bilayer has a first layer including (a) at least one electrically conductive polymer doped with at least one non-highly-fluorinated acid polymer and (b) at least one highly-fluorinated acid polymer, and a second layer including inorganic nanoparticles which are oxides or sulfides.
    Type: Application
    Filed: December 18, 2009
    Publication date: July 29, 2010
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Che-Hsiung Hsu, Weiying Gao, Shiva Prakash
  • Publication number: 20100187981
    Abstract: There is provided an electroactive composition. The composition has (a) a host material having Formula I and (b) an electroactive dopant capable of electroluminescence having an emission maximum between 500 and 700 nm. In Formula I: R1 to R8 are the same or different and can be H, alkyl, or alkoxy, or adjacent R groups may be joined together to form a 5- or 6-membered aliphatic ring, with the proviso that at least one of R1 to R8 is not H, Ar1 to Ar4 are the same or different and are aryl groups, A is the same or different at each occurrence and can be a single bond or a phenylene group, and a and b are the same or different and are an integer of 0-2.
    Type: Application
    Filed: December 18, 2009
    Publication date: July 29, 2010
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Weiying Gao, Dean T. Deibler, Vsevolod Rostovtsev
  • Publication number: 20100187983
    Abstract: This invention relates to deuterated compounds that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such a deuterated compound.
    Type: Application
    Filed: December 21, 2009
    Publication date: July 29, 2010
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Norman Herron, Vsevolod Rostovtsev, Jeffrey A. Merlo, Michael Henry Howard, JR., Adam Fennimore, Weiying Gao, Kalindi Dogra, Nora Sabina Radu, Weishi Wu, Eric Maurice Smith, Daniel David Lecloux
  • Patent number: 7732062
    Abstract: Provided are organic n-doped electron transport layers comprising at least one electron transport material and at least one electron rich dopant material and organic p-doped hole injection layers comprising at least one hole transport material and at least one electron deficient dopant material.
    Type: Grant
    Filed: December 28, 2005
    Date of Patent: June 8, 2010
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Che-Hsiung Hsu, Weiying Gao, Hong Meng