Patents by Inventor So Youn Nam

So Youn Nam 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).

  • Publication number: 20200199261
    Abstract: Provided is an oxime ester phenylcarbazole compound useful as a photoinitiator for photocrosslinking. Specifically, the carbon atom forming a double bond with the nitrogen atom in the oxime ester moiety of the oxime ester phenylcarbazole compound is bonded to the phenylcarbazole group and is directly bonded to a (C1-C20)alkyl or (C6-C20)aryl group. Also provided is a photopolymerizable composition including the oxime ester phenylcarbazole compound. The oxime ester phenylcarbazole compound and the photopolymerizable composition have improved solubilities, are highly photosensitive, and exhibit excellent physical properties in terms of residual film ratio, pattern stability, resist adhesiveness. Due to these advantages, the oxime ester phenylcarbazole compound and the photopolymerizable composition are suitable for use in black resists, color resists, overcoats, column spacers, and organic insulating films of LCDs.
    Type: Application
    Filed: July 5, 2017
    Publication date: June 25, 2020
    Applicants: Korea Research Institute of Chemical Technology, TAKOMA TECHNOLOGY CO., LTD.
    Inventors: Chang Jin LEE, Jae Min LEE, Shahid AMEEN, Song Yun CHO, Sung Cheol YOON, Young Cheul LEE, Mi Sun RYU, Bok Joo SONG, Keun Soo KIM, So Youn NAM
  • Publication number: 20120004476
    Abstract: The present invention relates to fullerene derivatives and an organic electronic device using the same, and more specifically, to a novel fullerene derivative incorporating an aromatic fused ring compound and to an organic electronic device with excellent electrical properties by employing the fullerene derivative. In more detail, the novel fullerene derivative incorporating an aromatic fused ring compound according to the present invention exhibits excellent solubility in organic solvents and has a high electrochemical electron mobility and a high LUMO energy level, thereby making the fullerene derivative a suitable material for organic solar cells featuring a high open circuit voltage (Voc) and an improved energy conversion efficiency, or applicable for use in organic electronic devices such as organic thin film transistors.
    Type: Application
    Filed: January 29, 2010
    Publication date: January 5, 2012
    Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Sung Cheol Yoon, So Youn Nam, Hyun Seok Lim, Jaemin Lee, Jongsun Lim, Dong Wook Kim, Yongku Kang, Chang Jin Lee, Jae Wook Jung