Patents by Inventor Weon-Eik Oii

Weon-Eik Oii 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).

  • Photoalignment compound, photoalignment composition, display substrate having an alignment layer, and method for manufacturing the display substrate
    Patent number: 8865273
    Abstract: A photoalignment compound is represented by the following Chemical Formula 1, wherein “x” represents an integer in a range of 1 to 4, each of R1 and R2 represents —(CH2)n—, “n” represents an integer in a range of 1 to 6, at least one of the (—CH2-)s in R1 is replaceable with R3 represents —(CH2)mCH3, “m” represents an integer in a range of 1 to 12, each hydrogen atom of R3 is replaceable with F or Cl, R4 represents an amino group, aniline group, carboxy group, hydroxyl group, cyano group, alkylene group, or functional groups being represented by the following Chemical Formulas 2, 3, 4, or 5, each hydrogen atom of Chemical Formula 1 is replaceable with —O(CH2)kCH3, —(CH2)kCH3, F, or Cl, and “k” represents an integer in a range of 1 to 3, or 0.
    Type: Grant
    Filed: August 7, 2012
    Date of Patent: October 21, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Chan Jo, Weon-Eik Oii
  • PHOTOALIGNMENT COMPOUND, PHOTOALIGNMENT COMPOSITION, DISPLAY SUBSTRATE HAVING AN ALIGNMENT LAYER, AND METHOD FOR MANUFACTURING THE DISPLAY SUBSTRATE
    Publication number: 20120301628
    Abstract: A photoalignment compound is represented by the following Chemical Formula 1, wherein “x” represents an integer in a range of 1 to 4, each of R1 and R2 represents —(CH2)n—, “n” represents an integer in a range of 1 to 6, at least one of the (—CH2-)s in R1 is replaceable with R3 represents —(CH2)mCH3, “m” represents an integer in a range of 1 to 12, each hydrogen atom of R3 is replaceable with F or Cl, R4 represents an amino group, aniline group, carboxy group, hydroxyl group, cyano group, alkylene group, or functional groups being represented by the following Chemical Formulas 2, 3, 4, or 5, each hydrogen atom of Chemical Formula 1 is replaceable with —O(CH2)kCH3, —(CH2)kCH3, F, or Cl, and “k” represents an integer in a range of 1 to 3, or 0.
    Type: Application
    Filed: August 7, 2012
    Publication date: November 29, 2012
    Inventors: Sung-Chan Jo, Weon-Eik Oii