Patents by Inventor Jun Choi

Jun Choi 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).

  • Patent number: 11731079
    Abstract: The present disclosure relates to a method for treating exhaust gas including a plasma reaction operation of reacting exhaust gas containing a volatile organic compound (VOC) with low-temperature plasma to generate exhaust gas containing a VOC-derived intermediate, and a combustion operation of combusting the exhaust gas containing the VOC-derived intermediate to produce carbon dioxide and water.
    Type: Grant
    Filed: April 7, 2022
    Date of Patent: August 22, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Kyoung Hye Kim, Su Han Kim, Hyun Woo Kang, Jun Choi
  • Publication number: 20230211285
    Abstract: The present disclosure relates to a method for treating exhaust gas including a plasma reaction operation of reacting exhaust gas containing a volatile organic compound (VOC) with low-temperature plasma to generate exhaust gas containing a VOC-derived intermediate, and a combustion operation of combusting the exhaust gas containing the VOC-derived intermediate to produce carbon dioxide and water.
    Type: Application
    Filed: April 7, 2022
    Publication date: July 6, 2023
    Inventors: Kyoung Hye Kim, Su Han Kim, Hyun Woo Kang, Jun Choi
  • Patent number: 11104805
    Abstract: Highly saturated scarlet dye ink for a high-speed inkjet process and a method of preparing the highly saturated scarlet dye ink are disclosed. In particular, an ink composition according to the present invention includes a dye including a compound represented by Formula 1, and further includes, in addition to the dye, distilled water, a surfactant, and an additive. The ink composition develops a highly saturated scarlet color that is unable to be developed by existing inks for digital textile printing (DTP), and has high water solubility, excellent heat resistance, and light-fastness, and thus may be effectively used as dye and ink for a high-speed inkjet process.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: August 31, 2021
    Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Jun Choi, Sol Choi, Kwan Hyun Cho, Eui Sang Yoo
  • Patent number: 11031624
    Abstract: Disclosed is a polyalkylene glycol (PAG) polymer having urethane bonds, represented by Structural Formula 1 below. The present invention further relates to a solid polymer electrolyte composition, composed of a polyalkylene glycol polymer having urethane bonds, and a lithium salt. The solid polymer electrolyte of the invention can exhibit superior compatibility, stability, flexibility, mechanical properties and ionic conductivity.
    Type: Grant
    Filed: November 12, 2018
    Date of Patent: June 8, 2021
    Assignee: Korea Institute of Industrial Technology
    Inventors: Bong Sang Cho, Ki Young Kim, Jun Choi, Do Hyung Park, Jae Chui Lee, Ji San Jeong, Kyung Min Kim, Sin Seok Oh, Seong Kwan Kim, Yong Pyo Lee
  • Patent number: 10797346
    Abstract: A solid polymer electrolyte includes a matrix prepared by subjecting an alkoxysilane compound having a urethane bond represented by Structural Formula 1 below and an alkoxysilane compound represented by Structural Formula 2 below to a sol-gel reaction; and a lithium salt dispersed in the matrix, and The solid polymer electrolyte composition is configured such that silsesquioxane is linked to a polycarbonate diol-based polymer chain having a urethane bond. The solid polymer electrolyte exhibits superior compatibility, stability, flexibility, mechanical properties and ionic conductivity.
    Type: Grant
    Filed: November 12, 2018
    Date of Patent: October 6, 2020
    Assignee: Korea Institute of Industrial Technology
    Inventors: Ki Young Kim, Bong Sang Cho, Jun Choi, Ji San Jeong, Kyung Min Kim, Seong Kwan Kim, Yong Pyo Lee
  • Publication number: 20200109288
    Abstract: Highly saturated scarlet dye ink for a high-speed inkjet process and a method of preparing the highly saturated scarlet dye ink are disclosed. In particular, an ink composition according to the present invention includes a dye including a compound represented by Formula 1, and further includes, in addition to the dye, distilled water, a surfactant, and an additive. The ink composition develops a highly saturated scarlet color that is unable to be developed by existing inks for digital textile printing (DTP), and has high water solubility, excellent heat resistance, and light-fastness, and thus may be effectively used as dye and ink for a high-speed inkjet process.
    Type: Application
    Filed: April 26, 2019
    Publication date: April 9, 2020
    Inventors: Jun CHOI, Sol CHOI, Kwan Hyun CHO, Eui Sang YOO
  • Publication number: 20190288333
    Abstract: Disclosed is an alkoxysilane compound having a urethane bond, represented by Structural Formula 1 below. The present invention further relates to a solid polymer electrolyte composition, composed of a matrix including alkoxysilane having a urethane bond, a silica precursor and a polymer configured such that silsesquioxane is linked to a polycarbonate diol-based polymer chain having a urethane bond, and a lithium salt. The solid polymer electrolyte of the invention can exhibit superior compatibility, stability, flexibility, mechanical properties and ionic conductivity.
    Type: Application
    Filed: November 12, 2018
    Publication date: September 19, 2019
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Ki Young KIM, Bong Sang CHO, Jun CHOI, Ji San JEONG, Kyung Min KIM, Seong Kwan KIM, Yong Pyo LEE
  • Publication number: 20190157716
    Abstract: Disclosed is a polyalkylene glycol (PAG) polymer having urethane bonds, represented by Structural Formula 1 below. The present invention further relates to a solid polymer electrolyte composition, composed of a polyalkylene glycol polymer having urethane bonds, and a lithium salt. The solid polymer electrolyte of the invention can exhibit superior compatibility, stability, flexibility, mechanical properties and ionic conductivity.
    Type: Application
    Filed: November 12, 2018
    Publication date: May 23, 2019
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Bong Sang Cho, Ki Young Kim, Jun Choi, Do Hyung Park, Jae Chul Lee, Ji San Jeong, Kyung Min Kim, Sin Seok Oh, Seong Kwan Kim, Yong Pyo Lee
  • Patent number: 9006428
    Abstract: The present invention relates to high transmission green dye for LCD, dye dispersion comprising the dye, coloring composite comprising the dye dispersion, color filter comprising the coloring composite, and synthetic method thereof.
    Type: Grant
    Filed: December 31, 2012
    Date of Patent: April 14, 2015
    Assignees: LG Display Co., Ltd., Seoul National University R&DB Foundation
    Inventors: YoungHoon Kim, JiChul Lim, ByungGun Ahn, SangHun Han, JaePil Kim, SeHun Kim, Jun Choi, JinWoong Namgoong
  • Patent number: 8822690
    Abstract: The present invention relates to high transmission yellow dye for LCD, dye dispersion comprising the dye, coloring composite comprising the dye dispersion, color filter comprising the coloring composite, and synthetic method thereof.
    Type: Grant
    Filed: December 31, 2012
    Date of Patent: September 2, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: YoungHoon Kim, JiChul Lim, ByungGun Ahn, SangHun Han, JaePil Kim, SeHun Kim, Jun Choi, JinWoong Namgoong
  • Publication number: 20140073794
    Abstract: The present invention relates to high transmission yellow dye for LCD, dye dispersion comprising the dye, coloring composite comprising the dye dispersion, color filter comprising the coloring composite, and synthetic method thereof.
    Type: Application
    Filed: December 31, 2012
    Publication date: March 13, 2014
    Applicants: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, LG DISPLAY CO., LTD.
    Inventors: YoungHoon KIM, JiChul LIM, ByungGun AHN, SangHun HAN, JaePil KIM, SeHun KIM, Jun CHOI, JinWoong NAMGOONG
  • Patent number: 8212428
    Abstract: Provided is a portable power supply apparatus for generating microwave plasma, capable of minimizing a power reflected from a plasma generation apparatus and improving power consumption of the plasma generation apparatus by generating the plasma by using a microwave having a specific frequency, monitoring the power reflected from the plasma generation apparatus after the generation of the plasma, detecting a changed impedance matching condition, and correcting the frequency.
    Type: Grant
    Filed: May 27, 2009
    Date of Patent: July 3, 2012
    Assignee: Postech Academy Industry Foundation
    Inventors: Jun Choi, Jae Koo Lee, Jae Yoon Sim
  • Patent number: 8187265
    Abstract: Provided is a coagulation apparatus using cold plasma. In the coagulation apparatus, the cold plasma is generated by a microwave resonator with low power consumption in the atmosphere, and the cold plasma is vented on a bleeding portion of a wound. Accordingly, it is possible to accelerate coagulation process, to reduce unfavorable side effect such as burns on the wound, and to efficiently sterilize the wound, simultaneously. In addition, it is possible to implement a small-sized portable coagulation apparatus.
    Type: Grant
    Filed: May 29, 2009
    Date of Patent: May 29, 2012
    Assignee: Postech Academy Industry Foundation
    Inventors: Jun Choi, Jae Koo Lee, Kyong Tai Kim, Kyung Chul Woo, Jae Yoon Sim
  • Patent number: 8154206
    Abstract: There is provided a small-sized portable microwave plasma generator capable of generating plasma at atmospheric pressure with low electric power including a coaxial cable, an outer conductor, a connection conductor, and a connection member. The coaxial cable includes a first inner conductor and a dielectric material encircling the first inner conductor. The outer conductor encircles the coaxial cable. The connection conductor includes at least one gas inlet tube. The connection conductor electrically connects between the first inner conductor and the outer conductor at one end of the coaxial cable. The connection member includes a second inner conductor passing through the outer conductor and then connecting to the first inner conductor.
    Type: Grant
    Filed: February 4, 2009
    Date of Patent: April 10, 2012
    Assignees: Postech Foundation, Postech Academy Industry Foundation
    Inventors: Jun Choi, Felipe Iza, Jae Koo Lee
  • Publication number: 20100207528
    Abstract: Provided is a portable power supply apparatus for generating microwave plasma, capable of minimizing a power reflected from a plasma generation apparatus and improving power consumption of the plasma generation apparatus by generating the plasma by using a microwave having a specific frequency, monitoring the power reflected from the plasma generation apparatus after the generation of the plasma, detecting a changed impedance matching condition, and correcting the frequency.
    Type: Application
    Filed: May 27, 2009
    Publication date: August 19, 2010
    Applicant: POSTECH ACADEMY INDUSTRY FOUNDATION
    Inventors: Jun CHOI, Jae-Koo LEE, Jae-Yoon SIM
  • Publication number: 20100130973
    Abstract: Provided is a coagulation apparatus using cold plasma. In the coagulation apparatus, the cold plasma is generated by a microwave resonator with low power consumption in the atmosphere, and the cold plasma is vented on a bleeding portion of a wound. Accordingly, it is possible to accelerate coagulation process, to reduce unfavorable side effect such as burns on the wound, and to efficiently sterilize the wound, simultaneously. In addition, it is possible to implement a small-sized portable coagulation apparatus.
    Type: Application
    Filed: May 29, 2009
    Publication date: May 27, 2010
    Applicant: POSTECH ACADEMY INDUSTRY FOUNDATION
    Inventors: Jun Choi, Jae-Koo Lee, Kyong-Tai Kim, Kyung-Chul Woo, Jae-Yoon Sim
  • Publication number: 20100052539
    Abstract: There is provided a small-sized portable microwave plasma generator capable of generating plasma at atmospheric pressure with low electric power including a coaxial cable, an outer conductor, a connection conductor, and a connection member. The coaxial cable includes a first inner conductor and a dielectric material encircling the first inner conductor. The outer conductor encircles the coaxial cable. The connection conductor includes at least one gas inlet tube. The connection conductor electrically connects between the first inner conductor and the outer conductor at one end of the coaxial cable. The connection member includes a second inner conductor passing through the outer conductor and then connecting to the first inner conductor.
    Type: Application
    Filed: February 4, 2009
    Publication date: March 4, 2010
    Applicant: POSTECH FOUNDATION and POSTECH ACADEMY INDUSTRY FOUNDATION
    Inventors: Jun CHOI, Felipe IZA, Jae Koo LEE
  • Publication number: 20080025305
    Abstract: A multicasting system and a network device to transmit data as an agency, and a method of transmitting data as an agency. The multicasting system to transmit data as an agency according to an embodiment of the present general inventive concept includes a first network device to transmit a power saving mode change signal and to change a current mode to a power saving mode, and a second network device to receive the power saving mode change signal from the first network device, and if an information request signal is received from one of the plurality of network devices, to transmit a response data defined by the first network device to the network device which has transmitted the information request signal. Accordingly, although a network device is in a power saving mode, the network device can normally receive data.
    Type: Application
    Filed: March 12, 2007
    Publication date: January 31, 2008
    Inventor: Jun Choi
  • Publication number: 20070174293
    Abstract: Provided is a file printing method and system using e-mail. The method includes transmitting a file to a document server; transmitting an e-mail to a printing device through an e-mail server, the e-mail containing link information of the file transmitted; and retrieving the file from the document server using the link information and printing the retrieved file. Accordingly, a large print file can be printed regardless of the size of a file. In addition, since user authentication is performed every time a print file is downloaded, security is improved.
    Type: Application
    Filed: September 29, 2006
    Publication date: July 26, 2007
    Inventors: Hong-seock Kim, Jun Choi
  • Publication number: 20070135014
    Abstract: A field emission backlight device may include a first substrate and a second substrate separate from and roughly parallel to each other, a first anode electrode and a second anode electrode that face each other on inner surfaces of the first substrate and the second substrate, and cathode electrodes separate from and roughly parallel to one another between the first substrate and the second substrate. It may also include electron emission sources disposed on the cathode electrodes to emit electrons by an electric field and a phosphorous layer disposed on the first anode electrode or the second anode electrode.
    Type: Application
    Filed: February 12, 2007
    Publication date: June 14, 2007
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Jun CHOI, Byong-Gwon SONG, Moon-Jin SHIN, Andrei Zoulkarneev, Deuk-Seok CHUNG, Min-Jong BAE