Patents by Inventor Tae Yoo

Tae Yoo 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: 8035175
    Abstract: A field effect transistor for detecting ionic material and a method of detecting ionic material using the field effect transistor. The field effect transistor for detecting ionic material includes a substrate formed of a semiconductor material, a source region and a drain region spaced apart from each other in the substrate and doped with an opposite conductivity type to that of the substrate, a channel region interposed between the source region and the drain region, an insulating layer disposed on the channel region and formed of an electrically insulating material, a first reference electrode disposed at an edge of the upper portion of the insulating layer and a second reference electrode disposed to be spaced apart from the insulating layer.
    Type: Grant
    Filed: December 20, 2006
    Date of Patent: October 11, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeo-young Shim, Kyu-sang Lee, Kyu-tae Yoo, Won-seok Chung
  • Patent number: 7985453
    Abstract: A method of manufacturing a calibration apparatus for an optical scanner. The method includes reacting a substrate coated with a functional group and a molecule capable of forming an activated excimer to immobilize the molecule on the substrate.
    Type: Grant
    Filed: February 22, 2010
    Date of Patent: July 26, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeo-young Shim, Sung-ouk Jung, Jin-na Namgoong, Kyu-tae Yoo, Jang-seok Ma
  • Patent number: 7981666
    Abstract: Provided are a sensing switch and a sensing method using the same. The sensing switch includes: a substrate; a supporter on the substrate; a sensing plate that is connected to a side of the supporter and is in parallel with the substrate by a predetermined distance; a receptor binding region on an upper surface of an end portion of the sensing plate; an electric or magnetic field generation device that induces deflection of the sensing plate when a receptor bound to the receptor binding region is selectively bound to an electrically or magnetically active ligand; and a pair of switching electrodes that are separated by a predetermined distance and is connected when the sensing plate contacts the substrate due to the deflection of the sensing plate. A target material need not be labelled, a signal processing of a fluorescent or electrical detection signal using an analysis apparatus is not required, and a signal can be directly decoded by confirming whether a current flows through the switch.
    Type: Grant
    Filed: July 9, 2010
    Date of Patent: July 19, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyu-tae Yoo, Joon-ho Kim, Jun-hong Min, Sung-ouk Jung, Ji-na Namgoong, Kui-hyun Kim, Jeo-young Shim, Kak Namkoong
  • Publication number: 20110157335
    Abstract: A method for displaying a three-dimensional (3D) image includes: alternately displaying a left eye image and a right eye image; calculating a luminance value of a displayed image to detect a peak value of a luminance value; comparing the detected peak value and a stored peak value, and when the detected peak value corresponds to a right eye peak value, determining that a current image is a right eye image, and when the detected peak value corresponds to a left eye peak value, determining that the current image is a left eye image; outputting a synchronization signal according to the determination result; and making the left eye image and the right eye image reach a user's left eye or right eye according to the synchronization signal.
    Type: Application
    Filed: December 30, 2010
    Publication date: June 30, 2011
    Inventors: Yong-Su YOO, Yong-Tae Yoo
  • Publication number: 20110128437
    Abstract: Provided are an image signal processing apparatus and a controlling method thereof. The image signal processing apparatus includes a signal decoder, an image signal processor, a display, a controller, a memory, and a power interface. The signal decoder decodes input signals, and the image signal processor processes signals decoded by the signal decoder so that they are outputable. The display outputs the signals processed by the image signal processor, and the controller allows a list of modules recognized by the connector to be displayed, and controls driving of the module selected by a user. The memory stores a program transmitted from the selected module, and the power interface supplies power to the module.
    Type: Application
    Filed: November 30, 2007
    Publication date: June 2, 2011
    Inventors: Sim Hong Lee, Min-Chul Kim, Myoung Hwa Ko, Hee Tae Yoo, Hong Ki Kim, Su-Zin Lee, Jae Hyun Park
  • Patent number: 7943970
    Abstract: Provided is a method of detecting the presence of a target bio-molecule or a concentration of the bio-molecule using a field effect transistor. The method includes: contacting a first sample having a first target bio-molecule with a reference electrode of a field effect transistor; measuring a first electric signal change of the field effect transistor; contacting a second sample with a sensing surface of the same field effect transistor; measuring a second electric signal change of the field effect transistor; and comparing the first electric signal with the second electric signal.
    Type: Grant
    Filed: April 3, 2007
    Date of Patent: May 17, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyu-tae Yoo, Kyu-sang Lee, Jeo-young Shim, Won-seok Chung, Yeon-ja Cho
  • Patent number: 7928740
    Abstract: A device and method are disclosed for detecting biomolecules. More specifically, by measuring the change in the electrical properties of a complex between a probe and carbon nanotubes, a non-label detection is achieved, capable of a rapid, sensitive and electrical detection of the presence and concentration of biomolecules in a sample solution.
    Type: Grant
    Filed: November 14, 2007
    Date of Patent: April 19, 2011
    Assignees: Samsung Electronics Co., Ltd., Seoul National University Industry Foundation
    Inventors: Won Seok Chung, Kyu Tae Yoo, Jeo Young Shim, Junghoon Lee, Misun Cha, JungIm Han, Seungwon Jung
  • Publication number: 20110071365
    Abstract: An apparatus and method of providing blood glucose management information includes a determination unit that determines a similarity of a blood glucose change pattern of a user by comparing blood glucose information obtained from the user and stored blood glucose information, an extraction unit that extracts at least one piece of blood glucose information from the stored blood glucose information according to the similarity and generates extracted blood glucose information, and an interface unit which provides the blood glucose management information, which corresponds to the extracted blood glucose information, to the user.
    Type: Application
    Filed: June 28, 2010
    Publication date: March 24, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kwang-hyeon LEE, Kyu-tae YOO
  • Publication number: 20110066451
    Abstract: A method and apparatus for providing health management information to a patient. Patients are grouped according to their personal health records, order is determined between the patients in each group, and health management information of a patient highly ordered in each group is automatically provided to a patient lower ordered in the each group.
    Type: Application
    Filed: May 14, 2010
    Publication date: March 17, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Woo-young Jang, Kyu-tae Yoo
  • Publication number: 20110043213
    Abstract: Provided are a FET-based sensor for detecting an ionic material, an ionic material detecting device including the FET-based sensor, and a method of detecting an ionic material using the FET-based sensor. The FET-based sensor includes: a sensing chamber including a reference electrode and a plurality of sensing FETs; and a reference chamber including a reference electrode and a plurality of reference FETs. The method includes: flowing a first solution into and out of the sensing chamber and the reference chamber of the FET-based sensor; flowing a second solution expected to contain an ionic material into and out of the sensing chamber while continuously flowing the first solution into and out of the reference chamber; measuring a current in a channel region between the source and drain of each of the sensing and reference FETs; and correcting the current of the sensing FETs.
    Type: Application
    Filed: October 26, 2010
    Publication date: February 24, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.,
    Inventors: Kyu-sang LEE, Kyu-tae YOO, Jeo-young SHIM, Jin-tae KIM, Yeon-ja CHO
  • Publication number: 20110010534
    Abstract: A method of displaying health information of a user, the method including: monitoring if a sharing request for a health information of a user is made by an external device, which provides a web page representing the health information of the user in the form of an image; downloading a captured image of the web page from the external device if the sharing request for the health information of the user is made; and displaying the downloaded captured image.
    Type: Application
    Filed: April 9, 2010
    Publication date: January 13, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kwang-hyeon LEE, Kyu-tae YOO
  • Publication number: 20100329931
    Abstract: Provided are a sensing switch and a sensing method using the same. The sensing switch includes: a substrate; a supporter on the substrate; a sensing plate that is connected to a side of the supporter and is in parallel with the substrate by a predetermined distance; a receptor binding region on an upper surface of an end portion of the sensing plate; an electric or magnetic field generation device that induces deflection of the sensing plate when a receptor bound to the receptor binding region is selectively bound to an electrically or magnetically active ligand; and a pair of switching electrodes that are separated by a predetermined distance and is connected when the sensing plate contacts the substrate due to the deflection of the sensing plate. A target material need not be labelled, a signal processing of a fluorescent or electrical detection signal using an analysis apparatus is not required, and a signal can be directly decoded by confirming whether a current flows through the switch.
    Type: Application
    Filed: July 9, 2010
    Publication date: December 30, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyu-tae YOO, Joon-ho KIM, Jun-hong MIN, Sung-ouk JUNG, Ji-na NAMGOONG, Kui-hyun KIM, Jeo-young SHIM, Kak NAMKOONG
  • Patent number: 7859029
    Abstract: Provided are a FET-based sensor for detecting an ionic material, an ionic material detecting device including the FET-based sensor, and a method of detecting an ionic material using the FET-based sensor. The FET-based sensor includes: a sensing chamber including a reference electrode and a plurality of sensing FETs; and a reference chamber including a reference electrode and a plurality of reference FETs. The method includes: flowing a first solution into and out of the sensing chamber and the reference chamber of the FET-based sensor; flowing a second solution expected to contain an ionic material into and out of the sensing chamber while continuously flowing the first solution into and out of the reference chamber; measuring a current in a channel region between the source and drain of each of the sensing and reference FETs; and correcting the current of the sensing FETs.
    Type: Grant
    Filed: January 9, 2007
    Date of Patent: December 28, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyu-sang Lee, Kyu-tae Yoo, Jeo-young Shim, Jin-tae Kim, Yeon-ja Cho
  • Publication number: 20100295566
    Abstract: An apparatus and method for detecting ionic materials includes a sensing electrode which contacts a liquid sample and detects a sensing voltage corresponding to a surface potential which is changed by a concentration of ionic materials in the liquid sample, a first switching transistor having a first terminal connected to the sensing electrode and a second terminal connected to a first node, a second switching transistor having a first terminal connected to a reset voltage and a second terminal connected to the first node, and a sensing transistor having a gate connected to the first node.
    Type: Application
    Filed: August 4, 2010
    Publication date: November 25, 2010
    Applicants: SAMSUNG ELECTRONICS CO., LTD., REGENTS OF THE UNIVERSITY OF MINNESOTA
    Inventors: Kyu-tae Yoo, Seong-jin Kim, Eui-sik Yoon
  • Patent number: 7839134
    Abstract: A method for simultaneously detecting a size and concentration of ionic materials includes measuring voltage drop values of at least three ionic materials of which sizes and concentrations are known using each of at least two FET-based sensors having different electrical characteristics, determining at least three points in a three-dimensional plot from the known sizes, concentrations and the measured voltage drop values, approximating the at least three points into a single plane, measuring a voltage drop value of an ionic material of which size and concentration are unknown using the at least two FET-based sensors, determining equipotential lines existing on the plane using the voltage drop value of the unknown ionic material and determining a cross point between each of the equipotential lines.
    Type: Grant
    Filed: January 4, 2007
    Date of Patent: November 23, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyu-sang Lee, Kyu-tae Yoo, Jeo-young Shim, Won-seok Chung, Yeon-ja Cho
  • Publication number: 20100289509
    Abstract: A device and method are disclosed for detecting biomolecules. More specifically, by measuring the change in the electrical properties of a complex between a probe and carbon nanotubes, a non-label detection is achieved, capable of a rapid, sensitive and electrical detection of the presence and concentration of biomolecules in a sample solution.
    Type: Application
    Filed: November 14, 2007
    Publication date: November 18, 2010
    Applicants: SAMSUNG ELECTRONICS CO., LTD., SEOUL NATIONAL UNIVERSITY INDUSTRY FOUNDATION
    Inventors: Won Seok CHUNG, Kyu Tae YOO, Jeo Young SHIM, Junghoon LEE, Misun CHA, Junglm HAN, Seungwon JUNG
  • Patent number: 7824530
    Abstract: An apparatus and method for detecting ionic materials includes a sensing electrode which contacts a liquid sample and detects a sensing voltage corresponding to a surface potential which is changed by a concentration of ionic materials in the liquid sample, a first switching transistor having a first terminal connected to the sensing electrode and a second terminal connected to a first node, a second switching transistor having a first terminal connected to a reset voltage and a second terminal connected to the first node, and a sensing transistor having a gate connected to the first node.
    Type: Grant
    Filed: August 10, 2007
    Date of Patent: November 2, 2010
    Assignees: Samsung Electronics Co., Ltd., Regents of the University of Minnesota
    Inventors: Kyu-tae Yoo, Seong-jin Kim, Eui-sik Yoon
  • Publication number: 20100258541
    Abstract: A method of welding a noble metal tip of a spark plug to an electrode is provided. In the method of welding, in a waveform of a power of a laser beam according to a time of the laser welding, a power of a central portion thereof is smaller than those of both end portions thereof. In addition, the waveform of the power of the laser beam according to a time of the laser welding is a trapezoidal waveform which includes: a rising portion in which the power of the laser beam is gradually increased; a power maintaining portion in which the power of the laser beam after the rising portion is maintained uniform; and a falling portion in which the power of the laser beam after the power maintaining portion is gradually decreased.
    Type: Application
    Filed: April 2, 2008
    Publication date: October 14, 2010
    Applicant: YURA TECH CO., LTD.
    Inventors: Dae Yeol Ohm, Seok Ki Song, Hyun Joong Kim, Byung Heon Shin, Young Tae Yoo
  • Publication number: 20100242161
    Abstract: The present invention relates to a odor removal toilet stool, and more particularly, to a odor removal toilet stool using a preserving energy as a power source, capable of removing bad smell air and preventing its back flow in which the cleaning water (supplying water) stored in a water storage tank is supplied at two stages such as an initial standby water level and later full water level, wherein during supplying water to the full water level, air transference method using hydrodynamic operation occurred from a high speed injection with a injection nozzle is used without electric energy.
    Type: Application
    Filed: October 29, 2008
    Publication date: September 30, 2010
    Inventor: Kwang Tae Yoo
  • Patent number: 7790440
    Abstract: Provided are a sensing switch and a sensing method using the same. The sensing switch includes: a substrate; a supporter on the substrate; a sensing plate that is connected to a side of the supporter and is in parallel with the substrate by a predetermined distance; a receptor binding region on an upper surface of an end portion of the sensing plate; an electric or magnetic field generation device that induces deflection of the sensing plate when a receptor bound to the receptor binding region is selectively bound to an electrically or magnetically active ligand; and a pair of switching electrodes that are separated by a predetermined distance and is connected when the sensing plate contacts the substrate due to the deflection of the sensing plate. A target material need not be labelled, a signal processing of a fluorescent or electrical detection signal using an analysis apparatus is not required, and a signal can be directly decoded by confirming whether a current flows through the switch.
    Type: Grant
    Filed: November 17, 2008
    Date of Patent: September 7, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyu-tae Yoo, Joon-ho Kim, Jun-hong Min, Sung-ouk Jung, Ji-na Namgoong, Kui-hyun Kim, Jeo-young Shim, Kak Namkoong