Patents by Inventor Young Min Choi

Young Min 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).

  • Publication number: 20120121963
    Abstract: A flexible battery and a flexible electronic device including the flexible battery as a power source. The flexible battery includes a cell stack comprising a plurality of unit cells, and an external casing sealing the cell stack, wherein each of the unit cells comprises a negative electrode, a positive electrode, an electrolyte layer disposed between the negative electrode and the positive electrode, and a first polymer film at least partially surrounding the negative electrode, the positive electrode, and the electrolyte layer.
    Type: Application
    Filed: April 18, 2011
    Publication date: May 17, 2012
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Moon-seok Kwon, Han-su Kim, Young-min Choi, Jae-man Choi, Seung-sik Hwang, Min-sang Song, Jeong-kuk Shon
  • Publication number: 20120100424
    Abstract: Cathode active materials, and cathodes and magnesium batteries including the cathode active materials. The cathode active materials, and cathodes and magnesium batteries include a metal sulfide-based nanosheet.
    Type: Application
    Filed: May 31, 2011
    Publication date: April 26, 2012
    Applicants: Samsung Electro-Mechanics Co., Ltd, Samsung Electronics Co., Ltd.
    Inventors: Seok-soo LEE, Young-gyoon Ryu, Jung-wook Seo, Young-min Choi
  • Publication number: 20120049126
    Abstract: A cathode active material includes a core including a material having an olivine structure, and a nitrogen atom doped into at least a portion of the core.
    Type: Application
    Filed: August 30, 2011
    Publication date: March 1, 2012
    Inventors: Kyu-sung Park, Young-min Choi
  • Publication number: 20120033001
    Abstract: A display device includes a first display panel facing a second display panel with a liquid crystal layer between them. The first display panel has a first gate line, a second gate line spaced apart from the first gate line, a first and second storage lines both spaced apart from the first gate line, first and second switching elements controlled by a first gate signal applied through the first gate line, a first sub-pixel electrode connected to the first switching element, a second sub-pixel electrode connected to the second switching element, a third switching element controlled by a second gate signal applied through the second gate line, and a coupling electrode connected to the third switching element and having a portion overlapping the second storage line. Different voltages are applied to the first storage line and the second storage line.
    Type: Application
    Filed: June 10, 2011
    Publication date: February 9, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong-Jo KIM, Yoon-Jang KIM, Yoon-Sung UM, Jong-Hee NA, Young-Min CHOI
  • Publication number: 20110292024
    Abstract: According to an example embodiment, a display driving integrated circuit (IC) includes a timing controller and a plurality of source drivers. The timing controller is configured to output a plurality of signals to the plurality of source drivers, and at least one of the timing controller and the plurality of source drivers operates in a power down mode in at least one of an initializing period, a data transmission period, and a vertical blank period. According to an example embodiment, a mode conversion method used in a display driving IC includes switching between a normal mode to a power down mode in response to a standby control signal. The power down mode is implemented on at least one of a timing controller and a plurality of source drivers included in the display driving IC in at least one of an initializing period, a data transmission period, and a vertical blank period.
    Type: Application
    Filed: May 27, 2011
    Publication date: December 1, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-hoon Baek, Jae-youl Lee, Han-su Pae, Young-min Choi
  • Patent number: 7965286
    Abstract: A timing controller to reduce a flicker in a display device is provided. The timing controller includes a line pattern detector and a frame pattern detector. The line pattern detector divides received data into a plurality of unit blocks and detects a line polarity of each of a plurality of horizontal lines included in each of the unit blocks. The frame pattern detector generates a polarity control signal to control a data inversion method based on a frame image pattern detected based on line polarities of the respective horizontal lines.
    Type: Grant
    Filed: August 2, 2007
    Date of Patent: June 21, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Keun-Ho Ryu, Young Min Choi, Jong Seon Kim, Jae Chul Lee
  • Publication number: 20110144499
    Abstract: Various embodiments of ultrasound system and method of selecting a 2D slice image from a 3D ultrasound image are provided. One embodiment of the ultrasound system comprises: a 3D ultrasound image acquisition unit configured to acquire a 3D ultrasound image of a target object; a 2D slice image selection unit including a control volume unit, the 2D slice image selection unit being configured to be rotated and/or moved by an operator; and a processor coupled to the 3D ultrasound image acquisition unit and the 2D slice image selection unit. At least one selection plane is formed by the control volume unit as a reference plane to select at least one 2D slice image from the 3D ultrasound image. The processor is configured to extract at least one 2D slice image corresponding to the at least one selection plane from the 3D ultrasound image. The 3D ultrasound image or the at least one selection plane are rotated and/or moved together with the control volume unit.
    Type: Application
    Filed: December 15, 2010
    Publication date: June 16, 2011
    Inventors: Bong Soo YOO, Young Min Choi
  • Patent number: 7951489
    Abstract: An anode active material including a metal core and a coating layer formed on a surface of the metal core is provided. The coating layer includes a conductive metal material. The coating layer covering the metal core is carbon-based and includes a conductive metal material. The anode active material has good electron conductivity and elasticity, thereby enhancing charge/discharge capacity and reducing the stress caused by expansion of the carbon-based coating layer and the metal core during charge/discharge cycles. Direct contact between the metal core and the electrolyte solution is remarkably reduced. In addition, anodes and lithium batteries including the anode active material exhibit excellent charge/discharge characteristics, such as discharge capacity and initial charge/discharge efficiency.
    Type: Grant
    Filed: January 27, 2006
    Date of Patent: May 31, 2011
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Gue-sung Kim, Young-min Choi, Han-su Kim
  • Publication number: 20110109662
    Abstract: A driving apparatus for a liquid crystal display, which includes a first pixel, a second pixel and a third pixel that display different colors, includes: an image signal compensation unit that compensates input image signals corresponding to the first pixel, the second pixel, and the third pixel to generate compensated input image signals; and a data driver that supplies data voltages to the first pixel, the second pixel and the third pixel based on the compensated input image signals. The image signal compensation unit shifts a value of the input image signal corresponding to the first pixel by a first value with respect to a common voltage, shifts a value of the input image signal corresponding to the second pixel by a second value with respect to the common voltage, and shifts a value of the input image signal corresponding to the third pixel by a third value with respect to the common voltage.
    Type: Application
    Filed: October 12, 2010
    Publication date: May 12, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-Mi CHO, Young-Min CHOI, Sang-Chul LEE, Jae-Seob CHUNG, Jong-Hee NA, Dong-Ki LEE
  • Patent number: 7864353
    Abstract: A document processing system and method using imbedded metadata is provided. The system includes a host computer that generates a data file that supports metadata of a document and imbeds metadata in the data file, a mobile storage device that stores the data file, and a Multi-function peripheral (MFP) device that reads the data file from the mobile storage device and extracts the metadata imbedded in the data file and processes the data file based on the extracted metadata.
    Type: Grant
    Filed: December 8, 2005
    Date of Patent: January 4, 2011
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Young-min Choi, Mi-sook Song
  • Patent number: 7854826
    Abstract: The present invention relates to a carbon nanotube transistor biosensor with aptamers and a method for detecting a target material using the same, more particularly to a carbon nanotube transistor biosensor recognizing the target material, i.e., a specific molecule (such as a protein, a peptide, an amino acid, and an organic/inorganic compound) by using DNA aptamers and a method for screening a target material using the same. In the biosensor of the present invention, the aptamers binding specifically to a particular protein are adsorbed on a carbon nanotube constituting the channel domain of carbon nanotube transistor to easily detect/identify a particular protein via the electric conductivity of carbon nanotube that varies if the particular protein is exposed to corresponding aptamers.
    Type: Grant
    Filed: December 7, 2007
    Date of Patent: December 21, 2010
    Assignee: Korea Research Institute of Chemical Technology
    Inventors: Hye Mi So, Jeong O Lee, Yong Hwan Kim, Ki Hoon Won, Hyun Ju Chang, Beyong Hwan Ryu, Ki Jeong Kong, Young Min Choi
  • Publication number: 20100248063
    Abstract: The present invention provides a method for controlling a hydrogen supply system for a fuel cell, the method comprising: a hydrogen filling step in which high pressure hydrogen is supplied to a high pressure line connecting first to Nth hydrogen tanks to be filled in the first to Nth hydrogen tanks; a hydrogen supply step in which only hydrogen in the first hydrogen tank provided adjacent to a fuel cell stack is supplied to the fuel cell stack during driving of a vehicle; and a hydrogen transfer step in which hydrogen is transferred from the second to Nth hydrogen tanks to the first hydrogen tank during parking or stopping of the vehicle.
    Type: Application
    Filed: June 9, 2010
    Publication date: September 30, 2010
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Ki Ho Hwang, Sang Hyun Kim, Young Min Choi
  • Patent number: 7767502
    Abstract: In a thin film semiconductor device realized on a flexible substrate, an electronic device using the same, and a manufacturing method thereof, the thin film semiconductor device and an electronic device include a flexible substrate, a semiconductor chip, which is formed on the flexible substrate, and a protective cap, which seals the semiconductor chip. Durability of the thin film semiconductor device against stress due to bending of the substrate is improved by using the protective cap.
    Type: Grant
    Filed: February 5, 2007
    Date of Patent: August 3, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Do-young Kim, Wan-jun Park, Young-soo Park, June-key Lee, Yo-sep Min, Jang-yeon Kwon, Sun-ae Seo, Young-min Choi, Soo-doo Chae
  • Publication number: 20100151301
    Abstract: A battery and a battery pack including the battery. The battery includes: a frame; an electrode assembly disposed around the frame; a main body to house the electrode assembly; and electrode terminals extending from the electrode assembly in a first direction, through the main body. A cooling hole extends through opposing sides of the main body, in a second direction that is generally perpendicular to the first direction.
    Type: Application
    Filed: August 3, 2009
    Publication date: June 17, 2010
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Meen-seon PAIK, Tae-sang PARK, Young-min CHOI, Jin-hwan PARK, Ji-sang YU, Ji-young JEONG
  • Publication number: 20100028545
    Abstract: Provided are a polymer solution to be coated to manufacture a transparent conductive polymer film, a method of manufacturing the polymer solution, and a method of manufacturing a transparent conductive polymer film using the polymer solution. The polymer solution includes: polyvinyl alcohol (PVA) for controlling electrical conductivity of the transparent conductive polymer film; polyvinylacetamide (PNVA) for controlling structural strength of the polymer solution; polyacrylamide (PAAM) for controlling frictional resistance and an adhesion characteristic; nitric acid functioning as an electron-acceptor in an oxidation-reduction reaction; methyl methacrylate (MMA) for controlling transmittance of the transparent conductive polymer film; and a normal methyl pyrrolidone (AMP) solvent for maintaining viscosity of the polymer solution.
    Type: Application
    Filed: August 4, 2008
    Publication date: February 4, 2010
    Applicants: KYUNG SIK KIM, YOUNG JIN KIM, KYO JIN LEE, MASAMI GOTO
    Inventor: Young-min Choi
  • Publication number: 20100019208
    Abstract: Composite cathode active materials having a large diameter active material and a small diameter active material are provided. The ratio of the average particle diameter of the large diameter active material to the average particle diameter of the small diameter active material ranges from about 6:1 to about 100:1. Mixing the large and small diameter active materials in a proper weight ratio improves packing density Additionally, including highly stable materials and highly conductive materials in the composite cathode active materials improves volume density, discharge capacity and high rate discharge capacity.
    Type: Application
    Filed: September 28, 2009
    Publication date: January 28, 2010
    Inventors: Young-min Choi, Kyung-ho Kim, Gue-sung Kim
  • Publication number: 20090269624
    Abstract: The present invention provides a hydrogen supply system including a plurality of hydrogen tanks, in which an in-tank regulator is mounted only on one hydrogen tank and a solenoid valve is mounted on each of the other hydrogen tanks so that a reduction in manufacturing cost is realized and hydrogen is stably supplied to a fuel cell stack by controlling the solenoid valves during driving, and a method for controlling the same.
    Type: Application
    Filed: November 10, 2008
    Publication date: October 29, 2009
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Ki Ho Hwang, Sang Hyun Kim, Young Min Choi
  • Patent number: 7608362
    Abstract: Composite cathode active materials having a large diameter active material and a small diameter active material are provided. The ratio of the average particle diameter of the large diameter active material to the average particle diameter of the small diameter active material ranges from about 6:1 to about 100:1. Mixing the large and small diameter active materials in a proper weight ratio improves packing density Additionally, including highly stable materials and highly conductive materials in the composite cathode active materials improves volume density, discharge capacity and high rate discharge capacity.
    Type: Grant
    Filed: February 15, 2006
    Date of Patent: October 27, 2009
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Young-min Choi, Kyung-ho Kim, Gue-sung Kim
  • Patent number: 7601462
    Abstract: A cathode active material for a lithium rechargeable battery is provided. The cathode active material is used for a lithium rechargeable battery containing a cathode, an anode, and an electrolytic solution. The cathode active material is composed of 0.5% by weight or less carbonate ion (CO32?) plus bicarbonate ion (HCO3?) and 0.1% by weight or less hydroxyl ion (OH?). The swelling of lithium battery containing the cathode active material is substantially suppressed when is placed at 60° C. or more.
    Type: Grant
    Filed: January 19, 2005
    Date of Patent: October 13, 2009
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Dong-Min Im, Young-Min Choi, Gue-Sung Kim, Hyo-Sug Lee, Jung-Joon Park
  • Patent number: 7563540
    Abstract: A cathode active material of formula (1) below, and a lithium secondary battery using the same, have an extended cycle life and effective charging/discharging characteristics and include a compound of formula (1) below: LixCoyM1-yA2??(1) where 0.95?x?1.0; 0?y?1; M is at least one selected from the group consisting of Ni, Fe, Pb, Mg, Al, K, Na, Ca, Si, Ti, Sn, V, Ge, Ga, B, As, Zr, Mn, and Cr; and A is one selected from the group consisting of O, F, S, and P. The cathode active material has, as measured by Raman spectroscopy, a ratio of peak intensities between spinel and hexagonal A1g vibrational modes in an approximate range of 1:0.1-1:0.4, a ratio of peak intensities between hexagonal A1g and Eg vibrational modes in an approximate range of 1:0.9-1:3.5, and a ratio of peak intensities between spinel A1g and F2g vibrational modes in an approximate range of 1:0.2-1:0.4.
    Type: Grant
    Filed: April 29, 2004
    Date of Patent: July 21, 2009
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hyouk-soo Han, Young-min Choi