Patents by Inventor Jinok Hwang

Jinok Hwang 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).

  • Dyes for dye sensitized solar cell
    Patent number: 8680336
    Abstract: Dyes for dye-sensitized solar cell are provided. Each of the dyes for a dye-sensitized solar cell according to an embodiment has a chemical structure: wherein each of X and Y may comprise a substituent, comprising aromatic hydrocarbon groups which are respectively independently substituted or unsubstituted, aromatic heterocyclic groups which are substituted or unsubstituted, and a combination thereof, Z may comprise aromatic hydrocarbon groups which are substituted or unsubstituted, heterocyclic groups which are substituted or unsubstituted, vinyl groups, and polyvinyl groups which are substituted or unsubstituted, and A may comprise acid functional groups.
    Type: Grant
    Filed: September 16, 2009
    Date of Patent: March 25, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Jonghyun Park, Seongkee Park, Sunghoon Joo, Jinok Hwang, Taeyoun Kim
  • Dyes for dye-sensitized solar cell and dye-sensitized solar cell using the same
    Patent number: 8415499
    Abstract: Dyes for a dye-sensitized solar cell are provided. The dyes for a dye-sensitized solar cell have a structure of wherein each of X and Y independently comprises a substituent, comprising a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, and combinations thereof, and at least one of the X and Y comprises an aromatic group which are substituted a pyrene derivative substituted with an alkyl group or an aryl group, and Z comprises a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted heterocyclic group, a vinyl group, and a substituted or unsubstituted polyvinyl group, and A comprises an acid functional group.
    Type: Grant
    Filed: December 8, 2009
    Date of Patent: April 9, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Jinok Hwang, Seongkee Park, Sunghoon Joo
  • Dyes for dye-sensitized solar cell and dye-sensitized solar cell using the same
    Publication number: 20100210863
    Abstract: Dyes for a dye-sensitized solar cell are provided. The dyes for a dye-sensitized solar cell have a structure of wherein each of X and Y independently comprises a substituent, comprising a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, and combinations thereof, and at least one of the X and Y comprises an aromatic group which are substituted a pyrene derivative substituted with an alkyl group or an aryl group, and Z comprises a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted heterocyclic group, a vinyl group, and a substituted or unsubstituted polyvinyl group, and A comprises an acid functional group.
    Type: Application
    Filed: December 8, 2009
    Publication date: August 19, 2010
    Inventors: Jinok Hwang, Seongkee Park, Sunghoon Joo
  • Dyes for dye sensitized solar cell
    Publication number: 20100126563
    Abstract: Dyes for dye-sensitized solar cell are provided. Each of the dyes for a dye-sensitized solar cell according to an embodiment has a chemical structure: wherein each of X and Y may comprise a substituent, comprising aromatic hydrocarbon groups which are respectively independently substituted or unsubstituted, aromatic heterocyclic groups which are substituted or unsubstituted, and a combination thereof, Z may comprise aromatic hydrocarbon groups which are substituted or unsubstituted, heterocyclic groups which are substituted or unsubstituted, vinyl groups, and polyvinyl groups which are substituted or unsubstituted, and A may comprise acid functional groups.
    Type: Application
    Filed: September 16, 2009
    Publication date: May 27, 2010
    Inventors: Jonghyun Park, Seongkee Park, Sunghoon Joo, Jinok Hwang, Taeyoun Kim