Patents by Inventor Suck-Hyun Lee

Suck-Hyun Lee 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: 20200265969
    Abstract: The present disclosure relates to an oxidation-resistant and/or corrosion-resistant hybrid structure including a metal layer (thin film layer) coated on the exterior of a conductive polymer structure, and a preparation method for the hybrid structure.
    Type: Application
    Filed: November 3, 2017
    Publication date: August 20, 2020
    Applicants: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION, ELPANI CO., LTD.
    Inventors: Suck Hyun Lee, O Pil Kwon, Myung Jo Jung, Tae Ja Kim
  • Patent number: 9443639
    Abstract: The embodiments described herein pertain generally to a conductive polymer blend composition including a polymer-deaggregating agent and a method for preparing the same.
    Type: Grant
    Filed: August 1, 2014
    Date of Patent: September 13, 2016
    Assignee: Ajou University Industry-Academic Cooperation Foundation
    Inventors: Suck Hyun Lee, O Pil Kwon, Jae Eun Um, Tae Ja Kim
  • Patent number: 9378860
    Abstract: The present disclosure relates to a polyvinyl copolymer in which one or more side-chain sulfonic acids are attached on the hydroxy group of polyvinyl alcohol or a polyvinyl phenol and a preparation method thereof, a dopant including the same, a conductive polymer composite including the dopant with a conductive polymer and a preparation method thereof, wherein the electrical conductivity, dispersibility, solubility, heat-resistance and environment-resistance of the conductive polymer composite can be enhanced by using the dopant including the copolymer.
    Type: Grant
    Filed: October 25, 2013
    Date of Patent: June 28, 2016
    Assignee: Ajou University Industry-Academic Cooperation Foundation
    Inventors: Suck Hyun Lee, O Pil Kwon, Tae Ja Kim
  • Publication number: 20150076416
    Abstract: The embodiments described herein pertain generally to a conductive polymer blend composition including a polymer-deaggregating agent and a method for preparing the same.
    Type: Application
    Filed: August 1, 2014
    Publication date: March 19, 2015
    Inventors: Suck Hyun Lee, O Pil Kwon, Jae Eun Um, Tae Ja Kim
  • Publication number: 20140048746
    Abstract: The present disclosure relates to a polyvinyl copolymer in which one or more side-chain sulfonic acids are attached on the hydroxy group of polyvinyl alcohol or a polyvinyl phenol and a preparation method thereof, a dopant including the same, a conductive polymer composite including the dopant with a conductive polymer and a preparation method thereof, wherein the electrical conductivity, dispersibility, solubility, heat-resistance and environment-resistance of the conductive polymer composite can be enhanced by using the dopant including the copolymer.
    Type: Application
    Filed: October 25, 2013
    Publication date: February 20, 2014
    Applicant: Ajou University Industry-Academic Cooperation Foundation
    Inventors: Suck Hyun Lee, O Pil Kwon, Tae Ja Kim
  • Publication number: 20140051815
    Abstract: The present disclosure relates to an organic sulfonic acid-based compound and a preparation method thereof, a dopant including the compound, and a conductive polymer composite including the dopant, and more specifically, provides a dopant including a derivative compound containing a sulfonic acid group connected to a benzene ring via a flexible chain to enhance the solubility and the dispersibility in a general solvent, and the environment-resistance thereof, thus increasing the electric conductivity and significantly improving not only the processability but also the mechanical feature.
    Type: Application
    Filed: October 25, 2013
    Publication date: February 20, 2014
    Applicant: Ajou University Industry-Academic Cooperation Foundation
    Inventors: Suck Hyun Lee, O Pil Kwon, Tae Ja Kim
  • Publication number: 20100270517
    Abstract: The present disclosure provides a solid dopant for doping a conductive polymer, which has a high dispersibility in a solvent by a plasma treatment, a method and an apparatus for preparing the solid dopants, a solid doping method of a conductive polymer using the solid dopants, and a solid doping method of a conductive polymer using plasma.
    Type: Application
    Filed: April 23, 2010
    Publication date: October 28, 2010
    Applicants: ELPANI CO., LTD., AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Yong Cheol Hong, Suck Hyun Lee, O. Pil Kwon, Tae Ja Kim
  • Patent number: 7695645
    Abstract: The present invention relates to a new process of synthesizing conductive polymers from monomers substituted with amine group. The process provides simple synthesizing steps for the conductive polymers without using other additives such as stabilizers or emulsifiers. The conductive polymers synthesized according to the present invention have highly enhanced solubility in common organic solvents and electrical conductivity compared to conventional conductive polymers. Therefore, the conductive polymers synthesized according to the present process can be utilized in applications that require high electrical conductivity, for example an electro-magnetic interference shield or a transparent electrode of thin film, as well as in specific applications such as various conductive films, fibers, polymer blends, battery electrodes or conductive etch mask layers.
    Type: Grant
    Filed: March 26, 2008
    Date of Patent: April 13, 2010
    Inventors: Suck-Hyun Lee, Chan-Woo Lee
  • Publication number: 20100078598
    Abstract: The present invention provides a conductive polymer composition for radiographic imaging prepared by mixing a photosensitive compound, such as a carbon nanotube, a photodegradable dopant, a photocuririg agent, an organic electron acceptor including a halogen atom, a Lewis basic dopant, and a pseudodopant, with a conductive polymer, the conductive polymer composition for radiographic imaging showing an electrical resistance variation amplified by radiation. When a photosensitive compound is mixed with a conductive polymer in accordance with the present invention, it is possible to effectively amplify the electrical resistance variation of the thus obtained composition by radiation, and thus it is possible to effectively detect and record radiation of low dose. That is, when the amplified electrical resistance variation is processed into an electrical signal, it is possible to facilitate the detection and recording of radiation, i.e.
    Type: Application
    Filed: January 25, 2008
    Publication date: April 1, 2010
    Applicants: ELPANI CO., LTD., AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Suck Hyun Lee, Dong Jin Woo, Jin Young Choi
  • Publication number: 20080308771
    Abstract: The present invention relates to a new process of synthesizing conductive polymers from monomers substituted with amine group. The process provides simple synthesizing steps for the conductive polymers without using other additives such as stabilizers or emulsifiers. The conductive polymers synthesized according to the present invention have highly enhanced solubility in common organic solvents and electrical conductivity compared to conventional conductive polymers. Therefore, the conductive polymers synthesized according to the present process can be utilized in applications that require high electrical conductivity, for example an electro-magnetic interference shield or a transparent electrode of thin film, as well as in specific applications such as various conductive films, fibers, polymer blends, battery electrodes or conductive etch mask layers.
    Type: Application
    Filed: March 26, 2008
    Publication date: December 18, 2008
    Inventors: Suck-Hyun Lee, Chan-Woo Lee
  • Patent number: 7070714
    Abstract: A novel self-arrayed hole-carryable polymer having rigid backbone of high-ordered self-orienting layer structure, i.e. polyester, polyamide or biphenyl series polyester and flexible side chain, i.e. carbazole derivatives inducing hole-carryable characteristic group and exhibiting high thermo-stability, plain processibility and high photoconductivity; and A photo-refractive material comprising the photo-refractive material, charge producer and nonlinear optical characteristic group as electro-optical material and exhibiting enhanced photoconductivity without adding plasticizer.
    Type: Grant
    Filed: August 1, 2002
    Date of Patent: July 4, 2006
    Inventors: Suck-Hyun Lee, Chan-Woo Lee, Ho-Sung Yoon, Young-Bum Kim, O-Pil Kwon
  • Patent number: 7067229
    Abstract: The present invention relates to a conductive polymer. The present invention provides a conductive polymer substituted with acid labile functional group comprising an amine functional group and acid labile functional group which plays a protecting role substituted to the amine functional group of a conductive polymer. The conductive polymer of the present invention has enhanced physical and mechanical properties with higher solubility and conductivity than a conventional polyaniline or polypyrrole composition, and also, has improved transparency, sensitivity, adhesive property and patternability. Moreover, the conductive polymer of the present invention has the higher electrical conductivity of the minimum 10 times and the most maximum 102 S/cm than the previous polyaniline, and accordingly, can be used for photosensitive material such as fiber, coating, electrode, organic semiconductor and the like.
    Type: Grant
    Filed: February 26, 2002
    Date of Patent: June 27, 2006
    Assignee: Para Limited
    Inventors: Suck-Hyun Lee, Chan-Woo Lee
  • Patent number: 7064178
    Abstract: The present invention relates to an electrically conductive polymer, and more particularly to an additive for enhancing electrical conductivity of the polymer and electrically conductive polymer composition containing the additive. The present invention provides a soluble self-orienting material (SOM) and an electrically conductive polymer composition containing the SOM. The SOM can be provided as a form of a monomer having an aromatic ring with various polarity, flexible side chain and hydrophilic dibasic acid, as a form of a complex consisting of the monomers linked by a hydrogen bond or a metal coordinate bond or as a form of a whole aromatic polymer having —NRCO—, —NROSO—(R: side chain including —H, —CO2H, —(CH2)nSO3H, —(CH2)nCO2H or -tert-butyloxycarbonyl) and —OCO—. And also, the composition of the present invention have higher electrical conductivity, in excess of 103 S/cm, than a conventional conductive polymer, and also have improved processability.
    Type: Grant
    Filed: February 26, 2002
    Date of Patent: June 20, 2006
    Assignee: Para Limited
    Inventors: Suck-Hyun Lee, Chan-Woo Lee
  • Publication number: 20050269555
    Abstract: The present invention relates to a new process of synthesizing conductive polymers from monomers substituted with amine group. The process provides simple synthesizing steps for the conductive polymers without using other additives such as stabilizers or emulsifiers. The conductive polymers synthesized according to the present invention have highly enhanced solubility in common organic solvents and electrical conductivity compared to conventional conductive polymers. Therefore, the conductive polymers synthesized according to the present process can be utilized in applications that require high electrical conductivity, for example an electromagnetic interference shield or a transparent electrode of thin film, as well as in specific applications such as various conductive films, fibers, polymer blends, battery electrodes or conductive etch mask layers.
    Type: Application
    Filed: April 28, 2005
    Publication date: December 8, 2005
    Inventors: Suck-Hyun Lee, Chan-Woo Lee
  • Publication number: 20050230668
    Abstract: The present invention relates to a polyaniline which has highly enhanced electrical conductivity and method of producing the polyaniline. The polyaniline forms characteristic identifiable peaks at around 140 ppm and at least one single peak at about 123 ppm and 158 ppm in 13C CMPAS NMR spectrum analysis. The polyaniline according to the present invention has electrical conductivity 100 times high as the conventional ones, and therefore, it may be utilized in conductive film, fiber, polymeric blends, electromagnetic interference, and transparent electrode of thin film.
    Type: Application
    Filed: March 21, 2005
    Publication date: October 20, 2005
    Inventors: Suck-Hyun Lee, Chan-Woo Lee, Ho-Sung Yoon
  • Publication number: 20040166435
    Abstract: The present invention relates to a conductive polymer. The present invention provides a conductive polymer substituted with acid labile functional groups including an amine functional group and an acid labile functional group which plays a protecting role substituted to an amine functional group of a conductive polymer. The conductive polymer of the present invention has enhanced physical and mechanical properties with higher solubility and conductivity than a previous polyaniline or polypyrrole composition, and also, has improved transparency, sensitivity, adhesive property and patternability. Moreover, the conductive polymer of the present invention has the higher electrical conductivity of the minimum 10 times and the most maximum 102 S/cm than the previous polyaniline, and accordingly, can be used for a photosensitive material such as a fiber, a coating, an electrode, an organic semiconductor, and the like.
    Type: Application
    Filed: April 6, 2004
    Publication date: August 26, 2004
    Inventors: Suck-Hyun Lee, Chan-Woo Lee
  • Publication number: 20040162397
    Abstract: The present invention relates to an electrically conductive polymer, and more particularly to an additive for enhancing electrical conductivity of the polymer and electrically conductive polymer composition containing the additive. The present invention provides a soluble self-orienting material (SOM) and an electrically conductive polymer composition containing the SOM. The SOM can be provided as a form of a monomer having an aromatic ring with various polarity, flexible side chain and hydrophilic dibasic acid, as a form of a complex consisting of the monomers linked by a hydrogen bond or a metal coordinate bond or as a form of a whole aromatic polymer having —NRCO—, —NROSO— (R: side chain including —H, —CO2H, —(CH2)nSO3H, —(CH2)nCO2H or -tert-butyloxycarbonyl) and —OCO—.
    Type: Application
    Filed: March 23, 2004
    Publication date: August 19, 2004
    Inventors: Suck-Hyun Lee, Chan-woo Lee
  • Publication number: 20030197158
    Abstract: A novel self-arrayed hole-carryable polymer having rigid backbone of high-ordered self-orienting layer structure, i.e. polyester, polyamide or biphenyl series polyester and flexible side chain, i.e. carbazole derivatives inducing hole-carryable characteristic group and exhibiting high thermo-stability, plain processibility and high photoconductivity; and A photo-refractive material comprising the photo-refractive material, charge producer and nonlinear optical characteristic group as electro-optical material and exhibiting enhanced photoconductivity without adding plasticizer.
    Type: Application
    Filed: August 1, 2002
    Publication date: October 23, 2003
    Inventors: Suck-Hyun Lee, Chan-Woo Lee, Ho-Sung Yoon, Young-Bum Kim, O-Pil Kwon