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: 20130248842
    Abstract: There is provided a composite electrode including either a single layer or a bilayer. The single layer electrode includes an alloy of a first metal having an electrical conductivity greater than 105 Scm?1 and a real refractive index less than 2.1 in the range of 380 to 780 nm. The bilayer electrode includes: (a) layer M1 having a first thickness and including the first metal; and (b) layer M2 having a second thickness and including a second metal, where the second metal has an electrical conductivity less than 105 Scm?1. In the bilayer electrode, layer M1 is in physical contact with layer M2, and the first thickness is greater than the second thickness.
    Type: Application
    Filed: November 30, 2011
    Publication date: September 26, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Weiying Gao, Ying Wang
  • Publication number: 20130248843
    Abstract: This invention relates to electroactive compositions including anthracene derivative compounds. It also relates to electronic devices in which at least one active layer includes such a composition.
    Type: Application
    Filed: December 19, 2011
    Publication date: September 26, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Kerwin D. Dobbs, Weiying Gao, Norman Herron, Vsevolod Rostovtsev, Weishi Wu, Yulong Shen, Hong Meng
  • Publication number: 20130240868
    Abstract: This invention relates to electroactive compositions including anthracene derivative compounds. It also relates to electronic devices in which at least one active layer includes such a composition.
    Type: Application
    Filed: December 19, 2011
    Publication date: September 19, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Kerwin D. Dobbs, Weiying Gao, Norman Herron, Vsevolod Rostovtsev, Weishi Wu, Yulong Shen, Hong Meng
  • Publication number: 20130240865
    Abstract: There is provided an electroactive compound having Formula In the formula: Ar1, Ar2, and Ar3 are the same or different and are aryl groups; R1 is the same or different at each occurrence and is D, alkyl or aryl; a is an integer from 0-4. The compound has a LUMO level deeper than ?2.3 eV and a band gap of at least 2.9 eV.
    Type: Application
    Filed: December 13, 2011
    Publication date: September 19, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Weiying Gao, Norman Herron, Mark A. Guidry
  • Publication number: 20130240869
    Abstract: This invention relates to electroactive compositions including anthracene derivative compounds. It also relates to electronic devices in which at least one active layer includes such a composition.
    Type: Application
    Filed: December 19, 2011
    Publication date: September 19, 2013
    Inventors: Kerwin D. Dobbs, Weiying Gao, Norman Herron, Vsevolod Rostovtsev, Weishi Wu, Yulong Shen, Hong Meng
  • Patent number: 8531100
    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: Grant
    Filed: December 21, 2009
    Date of Patent: September 10, 2013
    Assignee: 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: 8497495
    Abstract: A compound having at least two diarylamino moieties and at least 10% deuteration.
    Type: Grant
    Filed: December 21, 2009
    Date of Patent: July 30, 2013
    Assignee: 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
  • Patent number: 8487055
    Abstract: There is provided a polymer made from a monomer having Formula I: where: R and Y are independently selected from the group consisting of H, D, alkyl, fluoroalkyl, aryl, fluoroaryl, alkoxy, aryloxy, NR?2, R?, R? is a crosslinkable group; R? is independently selected from the group consisting of H, alkyl, fluoroalkyl, aryl, fluoroaryl, and R?; X is a leaving group; Z is C, Si, or N; Q is (ZR?n)b; a is an integer from 0 to 5; b is an integer from 0 to 20; c is an integer from 0 to 4; q is an integer from 0 to 7; and n is an integer from 1 to 2.
    Type: Grant
    Filed: December 5, 2011
    Date of Patent: July 16, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Nora Sabina Radu, Gene M. Rossi, Eric Maurice Smith, Yulong Shen, Weiying Gao, Reid John Chesterfield, Jeffrey A. Merlo, Daniel David Lecloux, Frederick P. Gentry
  • Patent number: 8465849
    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: Grant
    Filed: December 21, 2009
    Date of Patent: June 18, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Adam Fennimore, Weiying Gao
  • Patent number: 8461758
    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: Grant
    Filed: December 18, 2009
    Date of Patent: June 11, 2013
    Assignee: E I Du Pont de Nemours and Company
    Inventors: Che-Hsiung Hsu, Weiying Gao, Shiva Prakash
  • Publication number: 20130126852
    Abstract: There is provided a photoactive composition including: (a) 50-99 wt % based on the total weight of the photoactive composition, of at least one host material having a HOMO energy level; (b) 1-10 wt % based on the total weight of the photoactive composition, of an emissive dopant; and (c) 0.1 to 10 wt % based on the total weight of the photoactive composition, of a non-emissive dopant. The non-emissive dopant is an organometallic iridium complex that has a HOMO energy level shallower than the HOMO energy level of the host.
    Type: Application
    Filed: August 24, 2011
    Publication date: May 23, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Weiying Gao, Norman Herron
  • Patent number: 8436341
    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: Grant
    Filed: December 22, 2009
    Date of Patent: May 7, 2013
    Assignee: 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
  • Patent number: 8309731
    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: Grant
    Filed: November 18, 2011
    Date of Patent: November 13, 2012
    Assignee: 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
  • Patent number: 8263973
    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: Grant
    Filed: December 18, 2009
    Date of Patent: September 11, 2012
    Assignee: E I du Pont de Nemours and Company
    Inventors: Norman Herron, Weiying Gao, Adam Fennimore, Mark A. Guidry
  • Patent number: 8242223
    Abstract: There is provided a polymer made from a monomer having Formula I: where: R and Y are independently selected from the group consisting of H, D, alkyl, fluoroalkyl, aryl, fluoroaryl, alkoxy, aryloxy, NR?2, R?, R? is a crosslinkable group; R? is independently selected from the group consisting of H, alkyl, fluoroalkyl, aryl, fluoroaryl, and R?; X is a leaving group; Z is C, Si, or N; Q is (ZR?n)b; a is an integer from 0 to 5; b is an integer from 0 to 20; c is an integer from 0 to 4; q is an integer from 0 to 7; and n is an integer from 1 to 2.
    Type: Grant
    Filed: August 22, 2007
    Date of Patent: August 14, 2012
    Assignee: E I du Pont de Nemours and Company
    Inventors: Nora Sabina Radu, Gene M. Rossi, Eric Maurice Smith, Yulong Shen, Weiying Gao, Reid John Chesterfield, Jeffrey A. Merlo, Daniel David Lecloux, Frederick P. Gentry
  • Publication number: 20120187382
    Abstract: An organic light-emitting diode is provided having an anode, a cathode, and an organic active layer therebetween. The organic active layer includes a deuterated compound and the device has a calculated half-life at 1000 nits of at least 5000 hours.
    Type: Application
    Filed: December 22, 2009
    Publication date: July 26, 2012
    Applicant: E.I. DUPONT DE NEMOURS AND COMPANY
    Inventors: Vsevolod Rostovtsev, Weiying Gao, Gary A. Johansson, Yulong Shen, Adam Fennimore, Kalindi Dogra, Hong Meng, Weishi Wu, Michael Henry Howard, JR., Ralph Birchard Lloyd, Nora Sabina Radu, Norman Herron, Daniel David Lecloux, Eric Maurice Smith, Che-Hsiung Hsu, Kyung-Ho Park, Jeffrey A. Merlo, Christina M. Older, Jerald Feldman, Ying Wang
  • Publication number: 20120187383
    Abstract: There is provided an a host material and a dopant material, wherein the host material is a compound having one of Formulae I-VI: In the formulae, R1 is the same or different at each occurrence and represents an optional substituent which may be present at any or all of the available sites and may be D, alkyl, aryl, alkoxy, aryloxy, oxyalkyl, alkenyl, silyl, or siloxane; Ar1, Ar2, and Ar3 are the same or different at each occurrence and are aryl groups; a is an integer from 2-6; and b is an integer from 1-3.
    Type: Application
    Filed: August 1, 2011
    Publication date: July 26, 2012
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: WEIYING GAO, Weishi Wu, Kalindi Dogra, Vsevolod Rostovtsev, Kerwin D. Dobbs
  • Publication number: 20120146008
    Abstract: This disclosure 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: June 30, 2010
    Publication date: June 14, 2012
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Weiying Gao, Norman Herron, Jeffrey A. Merlo, Vsevolod Rostovtsev
  • Publication number: 20120077955
    Abstract: There is provided a polymer made from a monomer having Formula I: where: R and Y are independently selected from the group consisting of H, D, alkyl, fluoroalkyl, aryl, fluoroaryl, alkoxy, aryloxy, NR?2, R?, R? is a crosslinkable group; R? is independently selected from the group consisting of H, alkyl, fluoroalkyl, aryl, fluoroaryl, and R?; X is a leaving group; Z is C, Si, or N; Q is (ZR?n)b; a is an integer from 0 to 5; b is an integer from 0 to 20; c is an integer from 0 to 4; q is an integer from 0 to 7; and n is an integer from 1 to 2.
    Type: Application
    Filed: December 5, 2011
    Publication date: March 29, 2012
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: NORA SABINA RADU, Gene M. Rossi, Eric Maurice Smith, Yulong Shen, Weiying Gao, Reid John Chesterfield, Jeffrey A. Merlo, Daniel David Lecloux, Frederick P. Gentry
  • 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