Patents by Inventor Hun-joo Lee

Hun-joo 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: 20120208290
    Abstract: Provided are a sensor for detecting molecular binding by increasing the mass of a gold nanoparticle through light-irradiation and a method thereof. In the method, light-irradiation increases the size of gold nanoparticles without using a reducing agent, to enhance the mass. Accordingly, selectivity may be improved, and the sensitivity of detection may be improved due to a change in various properties of a gold nanoparticle.
    Type: Application
    Filed: August 23, 2011
    Publication date: August 16, 2012
    Applicants: POSTECH ACADEMY INDUSTRY FOUNDATION, SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Soo Suk LEE, Hye Jung SEO, Sang Min JEON, Youn Suk CHOI, Hun Joo LEE, Jung Nam LEE, Joon Hyung LEE, Kyung Yeon HAN, Sang Kyu KIM, Yeol Ho LEE, Jae Phil DO
  • Patent number: 8221597
    Abstract: A pH adjusting apparatus includes an electrolytic chip receiving a solution, an electrolytic chip loading station receiving the electrolytic chip, an input unit inputting electrolysis conditions, a control unit receiving the electrolysis conditions and controlling electrolysis performed in the electrolytic chip, and a display unit displaying the electrolysis conditions and a progress of the electrolysis. Thus, the pH of a solution can be adjusted easily and accurately, by precisely controlling a constant current, a constant voltage, and current and voltage application times, thereby enabling useful application in various biological assays such as cell lysis. Furthermore, the pH adjusting apparatus has small size and weight and can be operated for a long time after charging once due to low power consumption.
    Type: Grant
    Filed: November 15, 2006
    Date of Patent: July 17, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hun joo Lee, Jin tae Kim, Sung young Jeong, Joon ho Kim, Hee kyun Lim
  • Publication number: 20120178178
    Abstract: A biosensor cartridge includes a plasma separator, a plasma metering chamber, a mixer, and a biosensor.
    Type: Application
    Filed: October 11, 2011
    Publication date: July 12, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Youn Suk CHOI, Hun Joo LEE, Jae Phil DO, Soo Suk LEE, Yeol Ho LEE, Jung Nam LEE, Joon Hyung LEE, Kyung Yeon HAN, Sang Kyu KIM
  • Publication number: 20120138540
    Abstract: A hydrodynamic filter includes a first portion, and a second portion which is spaced apart from and faces the first portion. The first portion includes a plurality of protrusions protruding in a first direction, and the second portion includes a plurality of protrusions protruding in a second direction opposite to the first direction. A filtering apparatus including a body which includes a plurality of the hydrodynamic filters and filters a fluid including target molecules, an inlet portion in connection with the body, and an outlet portion in connection with the body.
    Type: Application
    Filed: October 28, 2011
    Publication date: June 7, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Minseok S. KIM, Taeseok SIM, Jongmyeon PARK, Jeong-Gun LEE, Hun Joo LEE
  • Publication number: 20120103832
    Abstract: A microfluidic device for electrochemically regulating the pH of a fluid includes: an ion-exchange material; an anode chamber having a surface defined by a surface of the ion-exchange material and an anode electrode disposed along an edge of the surface of the anode chamber; and a cathode chamber having a surface defined by an opposite surface of the ion-exchange material and a cathode electrode disposed along an edge of the surface of the cathode chamber.
    Type: Application
    Filed: January 11, 2012
    Publication date: May 3, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hun-joo LEE, Joon-ho KIM, Chin-sung PARK, Jung-im HAN, Seung-yeon YANG, Shin-i YOO
  • Publication number: 20120077267
    Abstract: A cell separation device includes a channel or chamber in which a sample flows or moves, the sample including target cells marked with magnetic particles, and non-target cells, and a magnet which generates a magnetic first force in a first direction with respect to the sample within the channel or chamber. The channel or chamber of the cell separation device is applied with a second force in a second direction opposite to the first direction of the magnetic force. According to the cell separation device and a method of separating cells, the target cells move in the first direction by the magnetic force, and the non-target cells move in the second direction by the second force, by simultaneously applying the magnetic force and the second force in opposing directions, thereby separating the target cells from the non-target cells.
    Type: Application
    Filed: March 18, 2011
    Publication date: March 29, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hun-joo LEE, Jeong-gun LEE, Mi-jeong SONG, Jong-myeon PARK, Tae-seok SIM, Min-seok S. KIM
  • Patent number: 8134278
    Abstract: A surface acoustic wave device, including: a piezoelectric substrate; an interdigitated transducer electrode disposed on the substrate; an oxide film disposed on surface of the interdigitated transducer electrode; and a hydrophobic film disposed on a surface of the oxide film.
    Type: Grant
    Filed: February 4, 2010
    Date of Patent: March 13, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun Chol Cho, Hun Joo Lee, Soo Suk Lee
  • Publication number: 20120058546
    Abstract: Provided is a multiple SAW sensor system capable of sensing a plurality of target materials in the SAW sensor with a single detector by using a multiplexer. According to the multiple SAW sensor system, the target materials in SAW sensors may be sensed with a single detector, thereby avoiding unnecessary power loss. Also, a plurality of target materials in a sample may be sensed, thereby reducing a waste of the sample.
    Type: Application
    Filed: November 15, 2011
    Publication date: March 8, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hun Joo LEE, Soo Suk LEE, Yeul ho LEE, Youn Suk CHOI
  • Patent number: 8114261
    Abstract: A microfluidic device for electrochemically regulating the pH of a fluid includes: an ion-exchange material; an anode chamber having a surface defined by a surface of the ion-exchange material and an anode electrode disposed along an edge of the surface of the anode chamber; and a cathode chamber having a surface defined by an opposite surface of the ion-exchange material and a cathode electrode disposed along an edge of the surface of the cathode chamber.
    Type: Grant
    Filed: June 15, 2006
    Date of Patent: February 14, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hun-joo Lee, Joon-ho Kim, Chin-sung Park, Jung-im Han, Seung-yeon Yang, Shin-i Yoo
  • Patent number: 8116246
    Abstract: Disclosed is a system and method for transmitting data based on an operational state of a mobile station in a communication system. The method includes, when detecting a low battery state of the mobile station, storing one or more data packets to be transmitted to the mobile station, extracting at least one data packet, which has a transmission delay time larger than a difference between a maximum delay time and preset margin, from the one or more stored data packets, and transmitting at least a part of the extracted at least one data packet to the mobile station by using a resource allocated to the mobile station.
    Type: Grant
    Filed: March 25, 2008
    Date of Patent: February 14, 2012
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Chan-Ho Min, Jong-Hyung Kwun, Ju-Yeop Kim, Dong-Ho Cho, Chul-Kee Hong, Hyu-Dae Kim, Hun-Joo Lee, Sik Choi, Ho-Won Lee, Woong-Sup Lee, Se-Young Yun
  • Publication number: 20120015451
    Abstract: Provided herein is a fluid sensor, which includes a closed reaction unit in which reaction of a fluid sample takes place. The reaction unit is tapered on a side through which the fluid is injected so as to prevent generation of air bubbles during the injection of the fluid. Thus, the sensor has improved sensitivity.
    Type: Application
    Filed: March 1, 2011
    Publication date: January 19, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hun Joo LEE, Soo Suk LEE, Jung Nam LEE
  • Publication number: 20120000779
    Abstract: Provided herein is a surface acoustic wave (“SAW”) sensor device including an isolation component of a target biomolecule. A sample containing the target biomolecule is separated by its size using electrophoresis, and sequentially reacts with a SAW sensor. In other words, the device is capable of detecting the target biomolecule by separating biomolecules using electrophoresis, and applying the separated biomolecules to the SAW sensor.
    Type: Application
    Filed: December 21, 2010
    Publication date: January 5, 2012
    Applicants: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION, SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hun Joo LEE, Soo Suk LEE, Mi Jeong SONG, Kyung Yeon HAN, Jae Ho KIM
  • Patent number: 8047077
    Abstract: A surface acoustic wave (“SAW”) sensor includes; a first signal generator which generates a first signal having a predetermined frequency bandwidth using a pseudo random sequence, a second signal generator which generates a second signal with a predetermined frequency, a signal blender which blends the first signal with the second signal to generate a blended signal having the predetermined frequency bandwidth with the predetermined frequency as a center frequency, a wave generator which generates a surface acoustic wave using the blended signal, which converts the surface acoustic wave into a third signal after the surface acoustic wave travels a predetermined distance, and which outputs the third signal, and a signal detector which detects a change in the third signal from the wave generator to sense a substance bound to the wave generator.
    Type: Grant
    Filed: March 16, 2009
    Date of Patent: November 1, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hun Joo Lee, Soo Suk Lee, Soo Hyung Choi
  • Patent number: 8044371
    Abstract: A surface acoustic wave (“SAW”) device including a SAW element, a first material, a luminescence material and a light source, and a method for signal amplification of a SAW element. The first material may be positioned on the SAW element and bound to a target material in a sample. The luminescence material may be bound to the target material. The light source may apply light to the luminescence material. The SAW device and the method for signal amplification of a SAW element using the same allow amplification of a signal of the SAW element by an electromagnetic wave generated when light is applied to the luminescence material.
    Type: Grant
    Filed: March 3, 2009
    Date of Patent: October 25, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hun Joo Lee, Soosuk Lee, Kak Namkoong, Chinsung Park, Kieun Kim
  • Publication number: 20110196050
    Abstract: An ion exchangeable mixture containing a polymeric compound consisting of an ion exchange resin, an acrylamide mixture containing at least one bisacrylamide and at least one acrylamide, and a copolymer obtained by reacting the polymeric compound with the acrylamide mixture, and a method of producing the same are provided. The ion exchangeable membrane produced by using the ion exchangeable mixture has significantly smaller electric resistance than conventional ion exchangeable membranes, and has excellent selective permeability because the ion exchangeable membrane is electrically charged. The ion exchangeable membrane can be produced under very mild production conditions, and thus can be produced very easily. Furthermore, the ion exchangeable membrane can be also formed into film during a crosslinking reaction in a solvent of water, and thus is advantageous in that the ion exchangeable membrane can be freely produced into desired sizes, shapes and forms.
    Type: Application
    Filed: April 14, 2011
    Publication date: August 11, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hun-joo LEE, Ji-na NAMGOONG, Soo-suk LEE, Joon-ho KIM
  • Publication number: 20110148885
    Abstract: Disclosed are an apparatus and a method for editing animation data of a virtual object using a model. The animation data editing apparatus using the model according to the embodiment of the present invention allows motion information acquired by measuring a real model to be used by computer graphic software for animation or modeling so as to produce a computer graphic model corresponding to the real model into an animation by being adjusted and modified by a designer on the basis of measured motion information.
    Type: Application
    Filed: December 17, 2010
    Publication date: June 23, 2011
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Seong Won RYU, Ki Suk Lee, Hang Kee Kim, Hun Joo Lee, Chang Joon Park
  • Publication number: 20110151953
    Abstract: Provided are an apparatus and method for analyzing a characteristic of a game player in real time. The apparatus includes at least one individual action determiner for calculating a player characteristic value indicating a level or tendency of a game player by giving a first weight to game play data values resulting from game play of the game player, an accuracy determiner for comparing the player characteristic value and a value set by an administrator, and calculating an accuracy value of the individual action determiner, a comprehensive level determiner for calculating a final characteristic value indicating a level or tendency of the game player by giving a second weight to the player characteristic values calculated by the individual action determiners when the accuracy value do not exceed a reference value, and a characteristic value output unit for outputting the final characteristic value.
    Type: Application
    Filed: October 15, 2010
    Publication date: June 23, 2011
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Hang Kee Kim, Chang Joon Park, Seong Won Ryu, Hun Joo Lee, Ki Suk Lee, Kang Min Sohn
  • Publication number: 20110143838
    Abstract: The present invention relates to an apparatus and a method for game design evaluation. The apparatus for game design evaluation includes a operation information input unit that receives the game operation signals of the user, a gamer status input unit that receives status information of the user while the game is played, a gamer status detector that analyzes information collected through the game status information input unit, and a game design evaluator that stores detected data to be used in commercial game software and performs analysis in various manners. With the present invention, it can acquire the degree of the user's interest, taste, and stress through the face and motion of the gamer and the brainwave status of the gamer, the keyboard and mouse input of the user, and the status information in the current playing game and evaluate the design of game contents based on them.
    Type: Application
    Filed: September 14, 2010
    Publication date: June 16, 2011
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Ki-Suk LEE, Hang-Kee Kim, Hun-Joo Lee, Seong-Won Ryu, Chang-Joon Park
  • Patent number: 7955842
    Abstract: A microfluidic device for concentrating a sample including cells or viruses and lysing the cells or viruses, the device including an anode chamber including an anode electrode, a cathode chamber including a cathode electrode and an ion exchange membrane separating the anode chamber and the cathode chamber. The cathode chamber includes a solid support therein. A method of producing the microfluidic device and a method of concentrating a sample including cells or viruses and lysing the cells or viruses therein using the microfluidic device.
    Type: Grant
    Filed: February 1, 2007
    Date of Patent: June 7, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hun-joo Lee, Joon-ho Kim, Sung-young Jeong, Kyu-youn Hwang
  • Patent number: 7947196
    Abstract: An ion exchangeable mixture containing a polymeric compound consisting of an ion exchange resin, an acrylamide mixture containing at least one bisacrylamide and at least one acrylamide, and a copolymer obtained by reacting the polymeric compound with the acrylamide mixture, and a method of producing the same are provided. The ion exchangeable membrane produced by using the ion exchangeable mixture has significantly smaller electric resistance than conventional ion exchangeable membranes, and has excellent selective permeability because the ion exchangeable membrane is electrically charged. The ion exchangeable membrane can be produced under very mild production conditions, and thus can be produced very easily. Furthermore, the ion exchangeable membrane can be also formed into film during a crosslinking reaction in a solvent of water, and thus is advantageous in that the ion exchangeable membrane can be freely produced into desired sizes, shapes and forms.
    Type: Grant
    Filed: June 14, 2006
    Date of Patent: May 24, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hun-joo Lee, Ji-na Namgoong, Soo-suk Lee, Joon-ho Kim