Patents by Inventor Lik-Ka YUN

Lik-Ka YUN 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).

  • Carbazole derivatives and organic light-emitting diodes by using the same
    Patent number: 10319920
    Abstract: A carbazole derivative is shown in General Formula (1), wherein R1 is selected from the group consisting of the structures according to the following General Formula (2), General Formula (3) and General Formula (4), wherein R2 to R41 and R80 to R89 are each independently selected from the group consisting of a hydrogen atom, a fluorine atom, a cyano group, an alkyl group, a cycloalkyl group, an alkoxy group, a haloalkyl group, a thioalkyl group, a silyl group and an alkenyl group.
    Type: Grant
    Filed: January 24, 2017
    Date of Patent: June 11, 2019
    Assignee: YUAN ZE UNIVERSITY
    Inventors: Jau-Jiun Huang, Man-Kit Leung, Tien-Lung Chiu, Jiun-Haw Lee, Lik-Ka Yun
  • Organic electroluminescent materials containing benzimidazole and organic electroluminescent device by using the same
    Patent number: 10170708
    Abstract: An organic electroluminescent material is shown in formula (1), Wherein R9 and R13 are benzimidazole derivatives, benzimidazole derivative is shown in formula (3) Wherein the rest of functional groups are independently selected from one of hydrogen atom, fluorine atom, cyano group, alkyl group, cycloalkyl group, alkoxy group, thioalkyl group, silyl group and alkenyl group.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: January 1, 2019
    Assignee: YUAN ZE UNIVERSITY
    Inventors: Jau-Jiun Huang, Man-Kit Leung, Tien-Lung Chiu, Jiun-Haw Lee, Yu-Hsiang Hung, Lik-Ka Yun
  • ORGANIC ELECTROLUMINESCENT MATERIALS CONTAINING BENZIMIDAZOLE AND ORGANIC ELECTROLUMINESCENT DEVICE BY USING THE SAME
    Publication number: 20180248128
    Abstract: An organic electroluminescent material is shown in formula (1), Wherein R9 and R13 are benzimidazole derivatives, benzimidazole derivative is shown in formula (3) Wherein the rest of functional groups are independently selected from one of hydrogen atom, fluorine atom, cyano group, alkyl group, cycloalkyl group, alkoxy group, thioalkyl group, silyl group and alkenyl group.
    Type: Application
    Filed: April 26, 2018
    Publication date: August 30, 2018
    Inventors: Jau-Jiun Huang, Man-Kit Leung, Tien-Lung Chiu, Jiun-Haw Lee, Yu-Hsiang Hung, Lik-Ka Yun
  • Organic electroluminescent materials containing benzimidazole and organic electroluminescent device by using the same
    Patent number: 10003032
    Abstract: An organic electroluminescent material is shown in formula (1), Wherein R9 or/and R13 is/are benzimidazole derivative(s), benzimidazole derivative is shown in formula (3) Wherein the rest of functional groups are independently selected from one of hydrogen atom, fluorine atom, cyano group, alkyl group, cycloalkyl group, alkoxy group, thioalkyl group, silyl group and alkenyl group.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: June 19, 2018
    Assignee: YUAN ZE UNIVERSITY
    Inventors: Jau-Jiun Huang, Man-Kit Leung, Tien-Lung Chiu, Jiun-Haw Lee, Yu-Hsiang Hung, Lik-Ka Yun
  • CARBAZOLE DERIVATIVES AND ORGANIC LIGHT-EMITTING DIODES BY USING THE SAME
    Publication number: 20180151808
    Abstract: A carbazole derivative is shown in General Formula (1), wherein R1 is selected from the group consisting of the structures according to the following General Formula (2), General Formula (3) and General Formula (4), wherein R2 to R41 and R80 to R89 are each independently selected from the group consisting of a hydrogen atom, a fluorine atom, a cyano group, an alkyl group, a cycloalkyl group, an alkoxy group, a haloalkyl group, a thioalkyl group, a silyl group and an alkenyl group.
    Type: Application
    Filed: January 24, 2017
    Publication date: May 31, 2018
    Inventors: Jau-Jiun HUANG, Man-Kit LEUNG, Tien-Lung CHIU, Jiun-Haw LEE, Lik-Ka YUN
  • Organic electroluminescent materials containing N-phenylcarboline and organic electroluminescent device by using the same
    Patent number: 9905780
    Abstract: An organic electroluminescent material is shown in General Formula (1), wherein one of X1, X2, and X3 is an independent nitrogen atom, and R1 to R14 are each independently selected from the group consisting of a hydrogen atom, a fluorine atom, a cyano group, an alkyl group, a cycloalkyl group, an alkoxy group, a thioalkyl group, a silyl group, and an alkenyl group.
    Type: Grant
    Filed: December 31, 2015
    Date of Patent: February 27, 2018
    Assignee: YUAN ZE UNIVERSITY
    Inventors: Pei-Ling Ting, Man-Kit Leung, Tien-Lung Chiu, Jiun-Haw Lee, Lik-Ka Yun
  • ORGANIC ELECTROLUMINESCENT MATERIALS CONTAINING N-PHENYLCARBOLINE AND ORGANIC ELECTROLUMINESCENT DEVICE BY USING THE SAME
    Publication number: 20170162794
    Abstract: An organic electroluminescent material is shown in General Formula (1), wherein one of X1, X2, and X3 is an independent nitrogen atom, and R1 to R14 are each independently selected from the group consisting of a hydrogen atom, a fluorine atom, a cyano group, an alkyl group, a cycloalkyl group, an alkoxy group, a thioalkyl group, a silyl group, and an alkenyl group.
    Type: Application
    Filed: December 31, 2015
    Publication date: June 8, 2017
    Inventors: Pei-Ling TING, Man-Kit LEUNG, Tien-Lung CHIU, Jiun-Haw LEE, Lik-Ka YUN
  • ORGANIC ELECTROLUMINESCENT MATERIALS CONTAINING BENZIMIDAZOLE AND ORGANIC ELECTROLUMINESCENT DEVICE BY USING THE SAME
    Publication number: 20170162793
    Abstract: An organic electroluminescent material is shown in formula (1), Wherein R9 or/and R13 is/are benzimidazole derivative(s), benzimidazole derivative is shown in formula (3) Wherein the rest of functional groups are independently selected from one of hydrogen atom, fluorine atom, cyano group, alkyl group, cycloalkyl group, alkoxy group, thioalkyl group, silyl group and alkenyl group.
    Type: Application
    Filed: December 30, 2015
    Publication date: June 8, 2017
    Inventors: Jau-Jiun HUANG, Man-Kit LEUNG, Tien-Lung CHIU, Jiun-Haw LEE, Yu-Hsiang HUNG, Lik-Ka YUN