Patents by Inventor Yong Chung

Yong 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).

  • CIRCUIT FOR PREVENTING STATIC ELECTRICITY AND DISPLAY DEVICE HAVING THE SAME
    Publication number: 20140210807
    Abstract: A static electricity prevention circuit of a display device including: a driving circuit configured to drive a display unit that displays an image, at least one clock signal wire configured to transmit a clock signal to the driving circuit, at least one transistor electrically coupled to the dock signal wire, and at least one capacitor including a first electrode coupled to a source electrode and to a drain electrode of the transistor, and a second electrode configured to be maintained at a voltage,
    Type: Application
    Filed: August 1, 2013
    Publication date: July 31, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Yong-Jae Kim, Bo-Yong Chung, Hae-Yeon Lee
  • PIXEL AND ORGANIC LIGHT EMITTING DISPLAY USING THE SAME
    Publication number: 20140198085
    Abstract: A pixel includes an organic light emitting diode, a first driver and a second driver. The second driver controls an amount of current supplied from a first power source to the organic light emitting diode, corresponding to a previous data signal. The first driver stores a current data signal supplied from a data line and supplies the previous data signal to the second driver. In the pixel, the second driver includes a sixth transistor coupled between an initialization power source and a first node coupled to a gate electrode of a first transistor, the sixth transistor being configured to turn on when a first control signal is supplied; and a seventh transistor coupled between the first power source and a second node commonly coupled to the first and second drivers, the seventh transistor being configured to turn on when the first control signal is supplied.
    Type: Application
    Filed: January 6, 2014
    Publication date: July 17, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Yong-Sung Park, Tak-Young Lee, Hai-Jung In, Bo-Yong Chung, Min-Hyuk Choi, Yong-Jae Kim
  • PIXEL AND ORGANIC LIGHT EMITTING DISPLAY USING THE SAME
    Publication number: 20140168179
    Abstract: An organic light emitting display capable of improving display quality. The organic light emitting display includes a data driver for supplying bias power supply to data lines in a first period of one frame, for supplying reference power supply in a second period, and for supplying data signals in a fourth period, a scan driver for sequentially supplying scan signals to scan lines in the fourth period, pixels positioned at intersections of the scan lines and the data lines, and a first control line, a second control line, a third control line, and a fourth control line commonly coupled to the pixels. Each of the pixels includes a first capacitor for previously charging voltages corresponding to the data signals and a second capacitor charged by a voltage of the first capacitor in a third period between the second period and the fourth period.
    Type: Application
    Filed: April 24, 2013
    Publication date: June 19, 2014
    Inventors: Bo-Yong Chung, Hae-Yeon Lee, Tak-Young Lee, Jin-Gon Oh, Yong-Jae Kim
  • GATE FRINGINE EFFECT BASED CHANNEL FORMATION FOR SEMICONDUCTOR DEVICE
    Publication number: 20140159138
    Abstract: Methods and structures for forming semiconductor channels based on gate fringing effect are disclosed. In one embodiment, a NAND flash memory device comprises multiple NAND strings of memory transistors. Each memory transistor includes a charge trapping layer and a gate electrode formed on the charge trapping layer. The memory transistors are formed close to each other to form a channel between an adjacent pair of the memory transistors based on a gate fringing effect associated with the adjacent pair of the memory transistors.
    Type: Application
    Filed: February 12, 2014
    Publication date: June 12, 2014
    Applicant: SPANSION LLC
    Inventors: YouSeok SUH, Sung-Yong CHUNG, Ya-Fen LIN, Yi-Ching WU
  • Separation and Recovery Device for Liquid Waste Including Radionuclide, and Separation and Recovery Method Using the Same
    Publication number: 20140151215
    Abstract: Provided are a separation and recovery device for a liquid waste including a radionuclide, and a separation and recovery method using the same. Specifically, the present disclosure relates to a separation and recovery device that may effectively separate a liquid waste, such as a waste detergent including a radionuclide, and simultaneously, may prevent the release of tritium and radiocarbon to the outside, and a separation and recovery method using the same.
    Type: Application
    Filed: November 11, 2013
    Publication date: June 5, 2014
    Applicant: Korea Atomic Energy Research Institute
    Inventors: Hee-Chul Yang, Dong Yong Chung, Jeikwon Moon
  • Pixel circuit configured to perform initialization and compensation at different time periods and organic electroluminescent display including the same
    Patent number: 8736523
    Abstract: Pixel circuits and an organic electroluminescent display including the same are provided. The pixel circuit includes: an organic light emitting diode; a fifth transistor coupled to a third scan line, a reference power source, and a first node; a first capacitor coupled between the first node and a second node; a second capacitor coupled between the first node and the organic light emitting diode; a fourth transistor coupled to a second scan line, a data line, and the first node; a sixth transistor coupled to a first scan line, a first power source, and the second node; a second transistor coupled to the second scan line, the second node, and a third node; a third transistor coupled to an emission control line, the first power source, and the third node; and a first transistor coupled to the second node, the third node, and the organic light emitting diode.
    Type: Grant
    Filed: July 8, 2010
    Date of Patent: May 27, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Bo-Yong Chung, Keum-Nam Kim
  • PIXEL AND ORGANIC LIGHT EMITTING DISPLAY USING THE SAME
    Publication number: 20140139408
    Abstract: A pixel includes an organic light emitting diode (OLED), a first transistor having a gate electrode coupled to a first node, a first electrode coupled to a first power supply, and a second electrode coupled to the OLED, a first capacitor for storing a data signal, and a second capacitor coupled between the first node and the second electrode of the first transistor to charge a voltage corresponding to the data signal and a threshold voltage of the first transistor, wherein, in a period where a voltage stored in the first capacitor is supplied to the first node, the second capacitor is electrically blocked from the first node.
    Type: Application
    Filed: February 13, 2013
    Publication date: May 22, 2014
    Inventors: Yong-Jae KIM, Hae-Yeon LEE, Bo-Yong CHUNG, Jin-Gon OH
  • Optical sheet having enhanced optical characteristics
    Patent number: 8730579
    Abstract: An optical sheet includes a base film in which light is incident from a lower side, a plurality of prism patterns and a diffusion member. The prism patterns are protruded to be spaced apart from each other on the base film to enhance the front luminance of light incident from the lower side of the base film. The diffusion member is disposed between prism patterns to have a diffusion surface in parallel with the base film. The diffusion member includes a plurality of diffusion dots capable of enhancing the luminance uniformity of light incident from the lower side of the base film. Thus, front luminance and luminance uniformity may be enhanced due to a juxtaposition of the prism patterns and the diffusion portion, and the viewing angle of the LCD device may be enhanced.
    Type: Grant
    Filed: July 27, 2009
    Date of Patent: May 20, 2014
    Assignees: TSC Optos Co. Ltd.
    Inventors: Dae-Hwan Lee, Woo-Tae Kim, Kyoung-Soo Lee, Suk Kim, Jae-Sun Hwang, Kwang-Joon An, Jin-Yong Chung, Dal-Seok Byun
  • Portable terminal having projection function
    Patent number: 8725221
    Abstract: A portable terminal is provided and the portable terminal includes a terminal body, a projector operatively connected to the terminal body, and a door movably mounted to the terminal body, the door being moveable between a first position covering the projector and a second position exposing the projector.
    Type: Grant
    Filed: December 29, 2009
    Date of Patent: May 13, 2014
    Assignee: LG Electronics Inc.
    Inventors: Joo-Ho Lee, Hyun-Suk Yang, Bong-Kuk Hong, Deok-Yong Chung
  • GATE DRIVER, METHOD OF DRIVING DISPLAY PANEL USING THE SAME AND DISPLAY APPARATUS HAVING THE SAME
    Publication number: 20140125648
    Abstract: A gate driver includes a plurality of stages respectively outputting a plurality of gate output signals. An N-th stage of the gate driver (where N is a positive integer) includes a first input part, a second input part, a pull up part, a pull down part, a holding part and a stabilizing part. The first input part transmits a first clock signal to a second node in response to a signal at a first node. The second input part transmits an input signal to the first node in response to a second clock signal. The pull up part pulls up the gate output signal in response to a signal at the second node. The pull down part pulls down the gate output signal in response to the signal at the first node. The holding part maintains the signal at the second node in response to the first clock signal. The stabilizing part stabilizes the gate output signal in response to the signal at the second node and a third clock signal.
    Type: Application
    Filed: August 6, 2013
    Publication date: May 8, 2014
    Inventors: Bo-Yong CHUNG, Jung-Mi CHOI
  • DATA DRIVER, ORGANIC LIGHT EMITTING DISPLAY DEVICE USING THE SAME, AND METHOD OF DRIVING THE ORGANIC LIGHT EMITTING DISPLAY DEVICE
    Publication number: 20140125713
    Abstract: A data driver capable of displaying images with a substantially uniform brightness, an organic light emitting display device using the same, and a method of driving the organic light emitting display device. The data driver includes a plurality of current sink units for controlling predetermined currents to flow through data lines, a plurality of voltage generators for resetting values of gray scale voltages using compensation voltages generated when the predetermined currents flow, a plurality of digital-to-analog converters for selecting one gray scale voltage among the gray scale voltages as a data signal in response to bit values of the data supplied from the outside, and a plurality of switching units for supplying the data signal to the data lines. The predetermined currents may be set equal to pixel currents that correspond to a maximum brightness.
    Type: Application
    Filed: January 8, 2014
    Publication date: May 8, 2014
    Applicants: IUCF-HYU (Industry-University Corporation Foundation Hanyang University), SAMSUNG DISPLAY CO., LTD.
    Inventors: Do Hyung Ryu, Bo Yong Chung, Hong Kwon Kim, Oh Kyong Kwon
  • Scan driver, method of driving the scan driver, and organic light-emitting display including the scan driver
    Patent number: 8704807
    Abstract: A scan driver includes a plurality of stages and is capable of overlapped driving of scan signals output by each of the stages. A method of driving the scan driver, and an organic light emitting display device including the scan driver, is provided.
    Type: Grant
    Filed: January 6, 2011
    Date of Patent: April 22, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Bo-Yong Chung, Dong-Hwi Kim
  • TREATMENT METHOD OF SPENT URANIUM CATALYST
    Publication number: 20140096646
    Abstract: The present invention relates to a treatment method of spent uranium catalyst, and more specifically, to a method which can considerably reduce the volume of the spent uranium catalyst to be disposed of and simultaneously minimize secondary wastes that can be generated during the process of treating the spent uranium catalyst.
    Type: Application
    Filed: August 6, 2013
    Publication date: April 10, 2014
    Applicants: KOREA HYDRO AND NUCLEAR POWER CO., LTD., KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Kwang-Wook Kim, Eil-Hee Lee, Keun-Young Lee, Jei-Kwon Moon, Dong-Yong Chung
  • Gate fringing effect based channel formation for semiconductor device
    Patent number: 8692310
    Abstract: Methods and structures for forming semiconductor channels based on gate fringing effect are disclosed. In one embodiment, a NAND flash memory device comprises multiple NAND strings of memory transistors. Each memory transistor includes a charge trapping layer and a gate electrode formed on the charge trapping layer. The memory transistors are formed close to each other to form a channel between an adjacent pair of the memory transistors based on a gate fringing effect associated with the adjacent pair of the memory transistors.
    Type: Grant
    Filed: February 9, 2009
    Date of Patent: April 8, 2014
    Assignee: Spansion LLC
    Inventors: YouSeok Suh, Sung-Yong Chung, Ya-Fen Lin, Yi-Ching Wu
  • Pixel circuit of display panel, method of controlling the pixel circuit, and organic light emitting display including the display panel
    Patent number: 8665254
    Abstract: A pixel circuit of a display panel, a method of driving the pixel circuit, and an organic light emitting display device including the display panel. All of a plurality of transistors included in the pixel circuit are NMOS transistors, and the pixel circuit configured to compensate for a voltage change at a source electrode of a driving transistor during light emission.
    Type: Grant
    Filed: March 8, 2010
    Date of Patent: March 4, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Bo-Yong Chung, Keum-Nam Kim
  • Data driver, organic light emitting display device using the same, and method of driving the organic light emitting display device
    Patent number: 8659511
    Abstract: A data driver capable of displaying images with a substantially uniform brightness, an organic light emitting display device using the same, and a method of driving the organic light emitting display device. The data driver includes a plurality of current sink units for controlling predetermined currents to flow through data lines, a plurality of voltage generators for resetting values of gray scale voltages using compensation voltages generated when the predetermined currents flow, a plurality of digital-to-analog converters for selecting one gray scale voltage among the gray scale voltages as a data signal in response to bit values of the data supplied from the outside, and a plurality of switching units for supplying the data signal to the data lines. The predetermined currents may be set equal to pixel currents that correspond to a maximum brightness.
    Type: Grant
    Filed: August 7, 2006
    Date of Patent: February 25, 2014
    Assignees: Samsung Display Co., Ltd., IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Do Hyung Ryu, Bo Yong Chung, Hong Kwon Kim, Oh Kyong Kwon
  • METHOD AND DISPLAY APPARATUS FOR PROVIDING CONTENT
    Publication number: 20140022157
    Abstract: A method and display apparatus for providing content are provided. The method for providing content includes displaying a content UI in which a plurality of content is included, detecting an area at which a user gazes in the content UI, determining a preference for gaze content that is present in the area at which the user gazes by measuring user's brainwaves, and providing the content UI based on the determined preference. The user can be provided with the content UI that is configured more intuitively and conveniently according to the user preference.
    Type: Application
    Filed: July 17, 2013
    Publication date: January 23, 2014
    Inventors: Jun-seok LEE, Sang-won LEIGH, Sung-goo CHO, Kyung-hwa YU, Jin-yong CHUNG
  • PHOTOGRAPHING APPARATUS, PHOTOGRAPHING CONTROL METHOD, AND EYEBALL RECOGNITION APPARATUS
    Publication number: 20140022351
    Abstract: A photographing control method is provided. The photographing control method includes capturing an image of an object, detecting a facial area from within the captured image of the object, adjusting a location of the photographing apparatus based on a location of the detected facial area, and adjusting a zooming state of the photographing apparatus so that a size of the detected facial area falls within a predetermined size range.
    Type: Application
    Filed: July 18, 2013
    Publication date: January 23, 2014
    Inventors: Sung-goo CHO, Sang-won LEIGH, Jun-seok LEE, Kyung-hwa YU, Jin-yong CHUNG
  • DISPLAY APPARATUS CONTROL SYSTEM AND METHOD AND APPARATUS FOR CONTROLLING A PLURALITY OF DISPLAYS
    Publication number: 20140022159
    Abstract: A display apparatus control system and a method and apparatus for controlling a plurality of display apparatuses are provided. The method of controlling a plurality of display apparatuses includes capturing a region at which a user is located, generating a user-captured image, determining which display apparatus the user is looking at from among the plurality of display apparatuses, based on the user-captured image, and determining the determined display apparatus to be a control target display apparatus, and transmitting a control signal which corresponds to a user's command to be the control target display apparatus when the user's command is input.
    Type: Application
    Filed: July 18, 2013
    Publication date: January 23, 2014
    Inventors: Sang-won LEIGH, Jun-seok LEE, Sung-goo CHO, Kyung-hwa YU, Jin-yong CHUNG
  • Leakage Reducing Writeline Charge Protection Circuit
    Publication number: 20140015138
    Abstract: Methods and systems of fabricating a wordline protection structure are described. As described, the wordline protection structure includes a polysilicon structure formed adjacent to a memory core region. The polysilicon structure includes first doped region positioned on a core side of the polysilicon structure and a second doped region positioned on a spine side of the polysilicon structure. An un-doped region positioned between the first and second doped regions. A conductive layer is formed on top of the polysilicon structure and arranged so that it does not contact the un-doped region at either the transition between the first doped region and the un-doped region or the second doped region and un-doped region.
    Type: Application
    Filed: July 10, 2012
    Publication date: January 16, 2014
    Applicant: SPANSION LLC
    Inventors: Bradley Marc DAVIS, Mark W. Randolph, Sung-Yong Chung, Hidehiko Shiraiwa