Patents by Inventor Kwang Hyo Chung

Kwang Hyo Chung 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: 20130149216
    Abstract: Provided are a device for storing a reagent capable of being adhered to a biochip and supplying the stored reagent to the biochip, and a method of discharging a reagent thereof. The device for storing a reagent includes an elastic film pressurizing part configured to pressurize an elastic film by magnetic force, and a reagent discharging part configured to store the reagent and discharge the reagent through an outlet by using the deformation in the elastic film due to the pressurization. According to the present invention, a magnetic force controlling device can be small-sized and the reagent can be automatically, high-precisely, and reproducibly supplied through the magnetic force control.
    Type: Application
    Filed: June 20, 2012
    Publication date: June 13, 2013
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Kwang Hyo CHUNG, Yo Han Choi, Jong Heon Yang, Chan Woo Park, Chil Seong Ah, Wan Joong Kim, Gun Yong Sung
  • Publication number: 20130137082
    Abstract: Provided are a biosensor, an apparatus and a method for detecting a biomolecule using the biosensor. The biosensor may include a supporting substrate, a semiconductor layer spaced apart from a top surface of the supporting substrate by supporting patterns, and a nano-motor array formed on a top surface of the semiconductor layer. The nano-motor array may include a plurality of nano-metal rods configured to exhibit an autonomous propulsion in a fluid.
    Type: Application
    Filed: July 10, 2012
    Publication date: May 30, 2013
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Chan Woo PARK, Jong-Heon YANG, Chil Seong AH, Wan Joong KIM, Kwang Hyo CHUNG, Yo Han CHOI, Gun Yong SUNG
  • Publication number: 20130137182
    Abstract: Provided is a blood pre-treating apparatus including an injecting part for injecting a blood sample, an albumin-removing part including albumin adsorption beads for removing albumins from the blood sample, and an agglutination part including an agglutination reactant, by which blood corpuscles in the blood sample may be agglutinated to form a hemagglutination reactant.
    Type: Application
    Filed: July 9, 2012
    Publication date: May 30, 2013
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Yo Han CHOI, Chan Woo Park, Wan Joong Kim, Chil Seong Ah, Kwang Hyo Chung, Jong-Heon Yang, Gun Yong Sung
  • Patent number: 8309040
    Abstract: Provided is a microfluidic control apparatus that includes at least one control means and a microfluidic control chip. When the microfluidic control chip is loaded to the control means, a needle provided to the control means is inserted into a reaction solution storage chamber of the microfluidic control chip, in which the reaction solution storage chamber is sealed with a sealing tape. Thus, fluid connection is easily formed between the microfluidic control chip and the control means without leakage.
    Type: Grant
    Filed: August 17, 2009
    Date of Patent: November 13, 2012
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Kwang Hyo Chung, Dae-Sik Lee, Hyun Woo Song, Yo Han Choi
  • Publication number: 20120164747
    Abstract: The present invention relates to a plasma extraction method in which a complex of a blood cell-specific antibody and a protein having the ability to bind to the Fc region of the antibody is used to induce the agglutination of blood cells in blood, thereby increasing plasma separation efficiency, and to a plasma separation device therefor. According to the method, plasma can be separated from whole blood in high efficiency, and rapid plasma separation is possible, so that rapid diagnosis can be performed even with a small amount of blood.
    Type: Application
    Filed: December 9, 2011
    Publication date: June 28, 2012
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: YO HAN CHOI, KWANG HYO CHUNG, GUN YONG SUNG
  • Publication number: 20120138534
    Abstract: Disclosed are a method and an apparatus for filtering plasma using magnetic force. The apparatus for filtering plasma using magnetic force includes: an inlet into which blood is injected; a filter unit filtering plasma in the blood passing through the inlet by capillary force; a magnetic force receiving part made of magnetizable materials and assisting plasma filtering by applying pressure to the filter unit by movement due to magnetic force generated from the outside; an outlet discharging plasma filtered from blood; and a filter outer body surrounding the inlet, the filter unit, the magnetic receiving part, and the outlet.
    Type: Application
    Filed: October 31, 2011
    Publication date: June 7, 2012
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Kwang Hyo CHUNG, Yo Han CHOI, Chang-Geun AHN, Gun Yong SUNG
  • Publication number: 20120143513
    Abstract: Provided are a bio sensor chip and a reader thereof. The bio-sensor chip is optically addressed. The bio-sensor chip includes a word line control circuit and a bit line control circuit controlled by light provided from the bio-sensor chip reader. The bio-sensor chip does not require a peripheral circuit for driving word lines and bit lines, simplifying a fabrication process and reducing the area of the chip.
    Type: Application
    Filed: August 26, 2011
    Publication date: June 7, 2012
    Applicant: Electronics and Telecommunications Research
    Inventors: Jong-Heon YANG, Chang-Geun Ahn, Chan Woo Park, Chil Seong Ah, Wan Joong Kim, Kwang Hyo Chung, Yo Han Choi, Gun Yong Sung
  • Patent number: 8057672
    Abstract: Provided is a disposable multi-layered filtration device for the separation of blood plasma which can be applied to a biochip and appropriate for disposal uses. The filtration device for the separation of blood plasma includes: an upper substrate including a blood inlet; an intermediate substrate including a filtering unit for extracting blood plasma from blood flowing through the blood inlet; and a lower substrate including an air outlet, wherein the upper substrate, the intermediate substrate, and the lower substrate are stacked and adhered.
    Type: Grant
    Filed: June 4, 2008
    Date of Patent: November 15, 2011
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Kwang Hyo Chung, Yo Han Choi, Dae Sik Lee, Ju Hyun Jeon, Moon Youn Jung, Seon Hee Park
  • Publication number: 20110236277
    Abstract: Provided are a plastic microfluid control device having a multi-step microchannel and a method of manufacturing the same. The device includes a lower substrate, and a fluid channel substrate contacting the lower substrate and having a multi-step microchannel having at least two depths in a side coupling to the lower substrate. Thus, the device can precisely control the fluid flow by controlling capillary force in a depth direction of the channel by controlling the fluid using the multi-step microchannel having various channel depths. A multi-step micropattern is formed by repeating photolithography and transferred, thereby easily forming the multi-step microchannel having an even surface and a precisely controlled height.
    Type: Application
    Filed: March 17, 2011
    Publication date: September 29, 2011
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Dae Sik LEE, Hyun Woo Song, Kwang Hyo Chung, Seon Hee Park, Moon Youn Jung, Seung Hwan Kim
  • Publication number: 20110049401
    Abstract: There is provided a magnetic microvalve using a metal ball and a method of manufacturing the same. A magnetic microvalve using a metal ball according to an aspect of the invention may include: an upper substrate having a microchannel serving as a passage through which a fluid moves, a fluid inlet through which the fluid flows into the microchannel, and a fluid outlet through which the fluid, having passed through the microchannel, flows out of the microchannel; a lower substrate having a trench locally provided therein; a PDMS/metal ball combination having a metal ball and PDMS surrounding the metal ball so that the metal ball is located in a central portion thereof, the PDMS/metal ball combination being inserted into the trench provided in the lower substrate; and a magnet located above the microchannel, provided in the upper substrate, and generating magnetic force.
    Type: Application
    Filed: August 31, 2010
    Publication date: March 3, 2011
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Kwang Hyo CHUNG, Yo Han Choi, Dae Sik Lee, Young Jun Kim, Moon Youn Jung, Seon Hee Park
  • Publication number: 20100279396
    Abstract: There is provided a cell culture technology for culturing an animal cell in a separate microstructure. The micro-scaled animal cell incubator includes a lower glass substrate having fine hot wires processed with a metal and formed in an upper surface thereof; a first PDMS film attached onto the lower glass substrate to form two or more liquid and solid storage spaces in a position corresponding to the fine hot wires of the lower glass substrate and gas flow channels coupled respectively to the liquid and solid storage spaces to allow generated gases to flow therethrough; a gas-permeable PDMS thin film attached onto the gas flow channels of the PDMS film to pass the generated gases therethrough; a second PDMS film attached onto the PDMS thin film and having a culture medium storage space for storing a culture medium; and an upper glass substrate attached onto the second PDMS film and having fine hot wires formed in a lower surface thereof, the fine hot wires being covered by the PDMS film.
    Type: Application
    Filed: June 27, 2008
    Publication date: November 4, 2010
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Yo Han Choi, Kwang Hyo Chung, Dae Sik Lee, Sang Hee Kim, Min Suk Jeong, Chi Hoon Jun, Moon Youn Jung, Seon Hee Park
  • Publication number: 20100267127
    Abstract: Provided is a polymerase chain reaction (PCR) apparatus. A PCR is performed using the module assembly-type PCR apparatus. The module assembly-type PCR apparatus includes a first module, a second module, and a third module. A sample is provided to the first module. The second module provides different temperature ranges to the first module to generate thermal convection. The third module controls an operation of the second module. The first module is separably coupled to the second module. The second module is electrically separably coupled to the third module.
    Type: Application
    Filed: June 15, 2009
    Publication date: October 21, 2010
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Kwang Hyo CHUNG, Yo Han CHOI, JuHyun JEON, Moon Youn JUNG
  • Publication number: 20100159573
    Abstract: Provided is a microfluidic dilution device that uses capillary force to dilute first and second fluids in a predetermined ratio. The microfluidic dilution device includes a channel plate, a cover plate, fluid chambers, and a confluence chamber. The fluid chambers are filled with first and second fluids in a predetermined ratio. First and second fluids flowing to the confluence chamber are diluted in a predetermined ratio.
    Type: Application
    Filed: July 31, 2009
    Publication date: June 24, 2010
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Kwang Hyo CHUNG, JuHyun Jeon, Dae-Sik Lee, Moon Youn Jung, Seon Hee Park
  • Publication number: 20100159576
    Abstract: Provided are a biochip and a biomaterial detection apparatus. The biochip includes a substrate, a metal layer, and a dielectric layer. The substrate includes a surface having a plurality of acute parts which are formed by first and second inclined planes. The metal layer is formed on at least one of the first and second inclined planes. The dielectric layer is formed on the metal layer, and capture molecules specifically binding to target molecules which are marked with a fluorescent substance are immobilized to a surface of the dielectric layer.
    Type: Application
    Filed: December 21, 2009
    Publication date: June 24, 2010
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Hyun Woo SONG, Dae-Sik Lee, Hyeon-Bong Pyo, Kwang Hyo Chung, Moon Youn Jung
  • Publication number: 20100158761
    Abstract: Provided is a microfluidic control apparatus that includes at least one control means and a microfluidic control chip. When the microfluidic control chip is loaded to the control means, a needle provided to the control means is inserted into a reaction solution storage chamber of the microfluidic control chip, in which the reaction solution storage chamber is sealed with a sealing tape. Thus, fluid connection is easily formed between the microfluidic control chip and the control means without leakage.
    Type: Application
    Filed: August 17, 2009
    Publication date: June 24, 2010
    Applicant: Electronics and Telecommunications Research
    Inventors: Kwang Hyo Chung, Dae-Sik Lee, Hyun Woo Song, Yo Han Choi
  • Publication number: 20100143194
    Abstract: Provided is a microfluidic device. The microfluidic device includes a sample storage chamber storing sample fluid therein, a detection chamber connected to the sample storage chamber and detecting a specific material of the sample fluid, a cleaning liquid storage chamber connected to the detection chamber and storing cleaning liquid therein, a plurality of fluid passages interconnecting the chambers, and a micropump transferring the cleaning liquid. The microfluidic device precisely inspects a sample fluid although a small amount of the sample fluid flows.
    Type: Application
    Filed: June 26, 2009
    Publication date: June 10, 2010
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Dae-Sik Lee, Yo Han Choi, Kwang Hyo Chung, JuHyun Jeon, Hyun Woo Song, Moon Youn Jung, Seon Hee Park
  • Patent number: 7682571
    Abstract: Provided is a micro-fluidic heating system, which comprises a micro-fluidic control element for providing a chamber, a flow path and a valve, and a main body for heating the inside of the chamber in contact with the micro-fluidic control element, wherein the micro-fluidic control element consists of an upper substrate for providing the chamber, the flow path and the valve, and a lower substrate as a thin film bonded to the upper substrate, and the main body consists of a membrane in which heating means and suction holes are formed, and support member for supporting the membrane, and the heating means is partially in contact with the lower substrate of the chamber to heat the inside of the chamber, so that thermal transfer efficiency becomes maximized and temperature of each chamber may be independently controlled in the case of configuration having chambers arranged in array.
    Type: Grant
    Filed: July 27, 2004
    Date of Patent: March 23, 2010
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung Jin Kim, Hae Sik Yang, Dae Sik Lee, Yong Taik Lim, Kwang Hyo Chung, Kyu Won Kim, Se Ho Park, Yun Tae Kim
  • Patent number: 7681595
    Abstract: Provided are a microfluidic device and a microfluidic network formed by connecting such microfluidic devices. The microfluidic device can equalize the flow of multiple microfluids in a chamber in parallel to thereby have an equal flow rate when the microfluids transferred through different flow channels join in the chamber having a changing cross-sectional area. The microfluidic device includes: multiple flow channels formed between an upper substrate and a lower substrate to transfer the microfluids and including inlets for injecting the microfluids in one side and fluid stopping surfaces for stopping the flow of the microfluids in the other side; a pressure controlling flow channel for removing a pressure difference between the microfluids; a fluid converging part for converging the microfluids; and a chamber composed of hydrophilic surfaces and hydrophobic surfaces disposed alternately in a flow direction so that the microfluids join and flow in parallel and equal.
    Type: Grant
    Filed: February 15, 2007
    Date of Patent: March 23, 2010
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung-Jin Kim, Kwang-Hyo Chung, Hyeon-Bong Pyo
  • Patent number: 7652370
    Abstract: Provided are a plastic microfabricated structure, and a microfabricated thermal device, a microfabricated reactor, a microfabricated reactor array and a micro array using the same, which may be applied to a bio chip, and the present invention may fabricate the plastic microfabricated structure for providing a heating region by means of insulating plastic, which has a thin thickness, flatness enough to allow a photolithography process to be performed, thermal isolation in its some or total area, and a small thermal mass, and on top of the heating region of the plastic microfabricated structure, a heater, a temperature sensor for sensing a temperature, an electrode, and an electrode pad are formed to thereby fabricate the microfabricated heating device, whereby element may be readily fabricated at a low cost, and the heating region is formed of a plastic thin layer, so that uniform temperature control is possible even with a low power, and various samples may be thermally treated at a fast speed to obtain their
    Type: Grant
    Filed: July 27, 2004
    Date of Patent: January 26, 2010
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Dae Sik Lee, Hae Sik Yang, Yong Taik Lim, Kwang Hyo Chung, Sung Jin Kim, Se Ho Park, Kyu Won Kim, Yun Tae Kim
  • Publication number: 20090120865
    Abstract: Provided is a disposable multi-layered filtration device for the separation of blood plasma which can be applied to a biochip and appropriate for disposal uses. The filtration device for the separation of blood plasma includes: an upper substrate including a blood inlet; an intermediate substrate including a filtering unit for extracting blood plasma from blood flowing through the blood inlet; and a lower substrate including an air outlet, wherein the upper substrate, the intermediate substrate, and the lower substrate are stacked and adhered.
    Type: Application
    Filed: June 4, 2008
    Publication date: May 14, 2009
    Applicant: Electronics & Telecommunications Research Institute
    Inventors: Kwang Hyo Chung, Yo Han Choi, Dae Sik Lee, Ju Hyun Jeon, Moon Youn Jung, Seon Hee Park