Patents by Inventor Huang-Ming Guo

Huang-Ming Guo 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).

  • ORGANIC COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
    Publication number: 20170338420
    Abstract: The present disclosure provides a compound represented by formula (I): and an organic electroluminescent device including the same.
    Type: Application
    Filed: December 9, 2016
    Publication date: November 23, 2017
    Inventors: Heh-Lung Huang, Huang-Ming Guo, Yen-Jen Lin, Teng-Chih Chao
  • Phosphorescent materials for organic electroluminescent devices
    Patent number: 9812654
    Abstract: The present invention provides a high triplet energy compound of Formula 1 for an organic electroluminescent device: In Formula 1, X represents an oxygen or a sulfur atom, and represents a substituted or unsubstituted hetero-aromatic ring containing at least two nitrogens or an alkyl group with C2 to C6. The organic electroluminescent device including the compound used in an emissive layer or an electron transporting layer enhances the efficiency and the stability of the device.
    Type: Grant
    Filed: June 17, 2015
    Date of Patent: November 7, 2017
    Assignee: E-RAY OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Banumathy Balaganesan, Heh-Lung Huang, Huang-Ming Guo, Po-Wei Hsu
  • Carbazole derivative and organic electroluminescent devices utilizing the same and fabrication method thereof
    Patent number: 9450192
    Abstract: The present invention provides a carbazole derivative of formula (I) for an organic electroluminescent device: wherein Y represents a heteroatom selected from N, O, P, S, or a bicyclic or tricyclic heterocyclic ring; and Ar1 and Ar2 each independently represent an alkyl or aryl substituted or unsubstituted aromatic hydrocarbon, or an alkyl or aryl substituted or unsubstituted heterocyclic aromatic hydrocarbon.
    Type: Grant
    Filed: December 5, 2011
    Date of Patent: September 20, 2016
    Assignee: E-RAY OPTOELECTRONICS TECHNOLOGY
    Inventors: Banumathy Balaganesan, Kun-Feng Chiang, Huang-Ming Guo, Po-Wei Hsu
  • PHOSPHORESCENT MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES
    Publication number: 20150372242
    Abstract: The present invention provides a high triplet energy compound of Formula 1 for an organic electroluminescent device: In Formula 1, X represents an oxygen or a sulfur atom, and represents a substituted or unsubstituted hetero-aromatic ring containing at least two nitrogens or an alkyl group with C2 to C6. The organic electroluminescent device including the compound used in an emissive layer or an electron transporting layer enhances the efficiency and the stability of the device.
    Type: Application
    Filed: June 17, 2015
    Publication date: December 24, 2015
    Inventors: Banumathy Balaganesan, Heh-Lung Huang, Huang-Ming Guo, Po-Wei Hsu
  • Compound for organic electroluminescent device and organic electroluminescent device having the same
    Patent number: 8592055
    Abstract: The present invention provides a compound of formula (I) for an organic electroluminescent device: wherein X and Y are each independently selected for the group consisting of an alkyl substituted, aryl substituted or unsubstituted carbazole, indolocarbazole, triphenylsilyl and diphenylphosphine oxide represented by formula (A), (B), (C), (D) or (E).
    Type: Grant
    Filed: June 16, 2011
    Date of Patent: November 26, 2013
    Assignee: E-Ray Optoelectronics Technology Co., Ltd.
    Inventors: Banumathy Balaganesan, Yi-Huan Fu, Huang-Ming Guo
  • CARBAZOLE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT DEVICES UTILIZING THE SAME AND FABRICATION METHOD THEREOF
    Publication number: 20120175598
    Abstract: The present invention provides a carbazole derivative of formula (I) for an organic electroluminescent device: wherein Y represents a heteroatom selected from N, O, P, S, or a bicyclic or tricyclic heterocyclic ring; and Ar1 and Ar2 each independently represent an alkyl or aryl substituted or unsubstituted aromatic hydrocarbon, or an alkyl or aryl substituted or unsubstituted heterocyclic aromatic hydrocarbon.
    Type: Application
    Filed: December 5, 2011
    Publication date: July 12, 2012
    Applicant: E-RAY OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Banumathy Balaganesan, Kun-Feng Chiang, Huang-Ming Guo, Po-Wei Hsu
  • COMPOUND FOR ORGANIC ELECTROLUMINESCENT DEVICE AND ORGANIC ELECTROLUMINESCENT DEVICE HAVING THE SAME
    Publication number: 20110309345
    Abstract: The present invention provides a compound of formula (I) for an organic electroluminescent device: wherein X and Y are each independently selected for the group consisting of an alkyl substituted, aryl substituted or unsubstituted carbazole, indolocarbazole, triphenylsilyl and diphenylphosphine oxide represented by formula (A), (B), (C), (D) or (E), in which R1, R2, and R3 are each independently selected from the group consisting of a hydrogen, an alkyl having 1 to 15 carbons atoms, an aryl group having 6 to 15 carbons atoms, an alkyl substituted, an aryl substituted or unsubstituted triphenylsilyl, and a diphenylphosphine oxide represented by the formula (D) or (E); m and n are each independently 0 or 1, provided that m+n is 1 or more; and Ar1 and Ar2 are each independently selected from the group consisting of an alkyl substituted, aryl substituted or unsubstituted phenyl, tolyl, naphthyl, fluorenyl, anthracenyl, and phenanthryl.
    Type: Application
    Filed: June 16, 2011
    Publication date: December 22, 2011
    Applicant: E-RAY OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Banumathy Balaganesan, Yi-Huan Fu, Huang-Ming Guo