Patents by Inventor Jeongin Yi

Jeongin Yi 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).

  • Polymers with carbazole structural units
    Patent number: 9102797
    Abstract: The present invention relates to polymers containing at least one carbazole structural unit of the general formula (I) where Ar1, Ar2, Ar3 is each, independently of one another, denote an aryl or heteroarylgroup, which may be substituted by one or more radicals R of any desired type; m, o is, independently of one another, 0 or 1; n is 1, 2 or 3 and the dashed lines represent the linking in the polymer; and at least one arylamine structural unit of the general formula (II) and/or (III) where Ar4, Ar5, Ar7, Ar8 is each, independently of one another, an aryl or heteroaryl group, which may be substituted by one or more radicals R of any desired type; Ar6 is an aryl or heteroaryl group, which may be substituted by one or more radicals R of any desired type, or represents a group of the formula Ar9-Ar9, where Ar9 is in each case, independently, an aryl or heteroaryl group, which may be substituted by one or more radicals R of any desired type or linked to one another; p is 1, 2 or 3; q is 0 or 1 and the dashed line
    Type: Grant
    Filed: August 1, 2011
    Date of Patent: August 11, 2015
    Assignee: Merck Patent GmbH
    Inventors: Niels Schulte, Anna Hayer, Aurélie Ludemann, Yoonhyun Kwak, Seunggak Yang, Heeyeon Kim, Jeongin Yi, Jaeyong Lee
  • POLYMERS WITH CARBAZOLE STRUCTURAL UNITS
    Publication number: 20130150527
    Abstract: The present invention relates to polymers containing at least one carbazole structural unit of the general formula (I) where Ar1, Ar2, Ar3 is each, independently of one another, denote an aryl or heteroarylgroup, which may be substituted by one or more radicals R of any desired type; m, o is, independently of one another, 0 or 1; n is 1, 2 or 3 and the dashed lines represent the linking in the polymer; and at least one arylamine structural unit of the general formula (II) and/or (III) where Ar4, Ar5, Ar7, Ar8 is each, independently of one another, an aryl or heteroaryl group, which may be substituted by one or more radicals R of any desired type; Ar6 is an aryl or heteroaryl group, which may be substituted by one or more radicals R of any desired type, or represents a group of the formula Ar9-Ar9, where Ar9 is in each case, independently, an aryl or heteroaryl group, which may be substituted by one or more radicals R of any desired type or linked to one another; p is 1, 2 or 3; q is 0 or 1 and the dashed line
    Type: Application
    Filed: August 1, 2011
    Publication date: June 13, 2013
    Applicants: Samsung Display Co., Ltd., Merck Patent GmbH
    Inventors: Niels Schulte, Anna Hayer, Aurélie Ludemann, Yoonhyun Kwak, Seunggak Yang, Heeyeon Kim, Jeongin Yi, Jaeyong Lee