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).

  • Separation and recovery device for liquid waste including radionuclide, and separation and recovery method using the same
    Patent number: 9604154
    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: Grant
    Filed: November 11, 2013
    Date of Patent: March 28, 2017
    Assignee: Korea Atomic Energy Research Institute
    Inventors: Hee-Chul Yang, Dong Yong Chung, Jeikwon Moon
  • Pixel and organic light emitting display device using the same
    Patent number: 9601056
    Abstract: A pixel includes an organic light emitting diode (OLED) having a cathode electrode coupled to a second power supply, a pixel circuit configured to control an amount of current supplied to the OLED to correspond to a previous data signal, and a driver configured to store a present data signal supplied from a data line and to supply the previous data signal to the pixel circuit. The OLED, pixel circuit, and driver may be controlled by signals in a frame that includes first through fourth periods, the second power supply may be set to a first voltage in the first and second periods and to a second voltage in the third and fourth periods, and the first voltage may be a voltage at which the OLED does not emit light and the second voltage may be a voltage at which the OLED emits light.
    Type: Grant
    Filed: April 11, 2014
    Date of Patent: March 21, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Bo-Yong Chung, Hai-Jung In, Jung-Bae Kim
  • Semiconductor device with improved programming reliability
    Patent number: 9589647
    Abstract: A semiconductor memory device includes a memory string including a first cells portion and a second cells portion each including a multiple of memory cells, the second cells portion being disposed over the first cells portion, and a control logic configured to control a peripheral circuit such that each of at least two memory cells in a top of the first cells portion and each of at least two memory cells in a bottom of the second cells portion is programmed to have a smaller data bit than remaining memory cells in the first and second cells portions.
    Type: Grant
    Filed: February 29, 2016
    Date of Patent: March 7, 2017
    Assignee: SK hynix Inc.
    Inventors: Jung Ryul Ahn, Ji Hyun Seo, Sung Yong Chung
  • ORGANIC LIGHT EMITTING DISPLAY DEVICE
    Publication number: 20170061866
    Abstract: An organic light emitting display device includes pixels, a sensor configured to extract at least one of deviation information of first transistors of the pixels and deterioration information of OLEDs of the pixels in a sensing period, and a converter configured to change a bit of first data input from the outside by using at least one of the deviation information and the deterioration information, and to generate second data, wherein a pixel at an ith horizontal line includes an OLED, a first transistor configured to control an amount of a current that flows from a first power source via the OLED in response to a voltage of a first node, second and third transistors configured to turn on when a scan signal is supplied to an ith scan line, and a fourth transistor configured to turn on when a control signal is supplied to an ith control line.
    Type: Application
    Filed: August 12, 2016
    Publication date: March 2, 2017
    Inventors: Hai Jung In, Dong Gyu Kim, Bo Yong Chung
  • Gate driver and display device having the same
    Patent number: 9583065
    Abstract: A gate driver and a display device having the same are disclosed. In one aspect, the gate driver includes a plurality of stages configured to respectively output a plurality of gate output signals. An N-th stage includes a first input circuit configured to boost a first input signal to a first signal and transmit the first input signal to a first node. A second input circuit is configured to boost the first input signal to a second signal and transmit the fifth clock signal and a first direct current (DC) voltage to a second node. A stabilizing circuit is configured to boost a second input signal to a third signal, boost a second node signal to a fourth signal, and stabilize a first node signal. An initializing circuit is configured to initialize voltages at the first and second nodes and the first to fourth signals.
    Type: Grant
    Filed: April 21, 2015
    Date of Patent: February 28, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Bo-Yong Chung, Chul-Kyu Kang, Hae-Yeon Lee
  • Pixel and organic light emitting display using the same
    Patent number: 9576535
    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: Grant
    Filed: January 6, 2014
    Date of Patent: February 21, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-Sung Park, Tak-Young Lee, Hai-Jung In, Bo-Yong Chung, Min-Hyuk Choi, Yong-Jae Kim
  • Gate fringing effect based channel formation for semiconductor device
    Patent number: 9570458
    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 12, 2014
    Date of Patent: February 14, 2017
    Assignee: Cypress Semiconductor Corporation
    Inventors: Youseok Suh, Sung-Yong Chung, Ya-Fen Lin, Yi-Ching Jean Wu
  • Scan driver and driving method thereof
    Patent number: 9552789
    Abstract: A scan driver includes a plurality of stages arranged sequentially and configured to respectively output a scan signal; and a switching unit configured to receive a plurality of clock signals, to select clock signals of the plurality of clock signals according to a selection control signal, and to input the selected clock signals to the plurality of stages.
    Type: Grant
    Filed: April 11, 2014
    Date of Patent: January 24, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hae-Yeon Lee, Bo Yong Chung
  • Method and display apparatus for providing content
    Patent number: 9535499
    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: Grant
    Filed: July 17, 2013
    Date of Patent: January 3, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun-seok Lee, Sang-won Leigh, Sung-goo Cho, Kyung-hwa Yu, Jin-yong Chung
  • Method and apparatus for activating scan function
    Patent number: 9537541
    Abstract: A method and electronic device for receiving information is provided. The method includes transmitting, by the electronic device, a scan time and an identification of the information to cause the identified information to be broadcast at the scan time; and scanning, by the electronic device, during the scan time to receive the information. The electronic device includes a transmitter configured to transmit a scan time and an identification of the information to cause the identified information to be broadcast at the scan time; and a scanner configured to scan during the scan time to receive the information.
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: January 3, 2017
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Jin-Yong Chung, Su-Hwan Kim, Tae-Sung Kim, Soo-Yong Kim, Ji-Myung Na
  • DISPLAY DEVICE AND ELECTRONIC DEVICE HAVING THE SAME
    Publication number: 20160372039
    Abstract: A display device includes a display panel including a first pixel, a second pixel, and a third pixel, a scan driver configure to provide a scan signal to the first through the third pixels, a data driver which provides a data signal to the first through the third pixels, a reference voltage generator which provides a first reference voltage that compensates a degradation of a first driving transistor, a second reference voltage that compensates a degradation of a second driving transistor, and a third reference voltage that compensates a degradation of a third driving transistor, and a timing controller which generates a control signal that controls the scan driver, the data driver, and the reference voltage generator.
    Type: Application
    Filed: January 13, 2016
    Publication date: December 22, 2016
    Inventors: Bo-Yong CHUNG, Dong-Gyu KIM, Hai-Jung IN
  • Pixel and organic light emitting diode display device using the same
    Patent number: 9524667
    Abstract: A pixel circuit for an organic light emitting diode (OLED) display is disclosed. One inventive aspect includes an organic light emitting diode, a first transistor, a storage unit, a second transistor and a third transistor. The first transistor controls the amount of current flowing from a first power source coupled to a second power source via a second node and the organic light emitting diode in response to a voltage at a first node. The storage unit is connected to a data line, and stores a data signal from the data line. The second transistor is connected to a fourth node and the first node and is turned on when a second control signal is supplied. The third transistor is connected to the first node and a third node and is turned on when a third control signal is supplied.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: December 20, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hai-Jung In, Jung-Bae Kim, Bo-Yong Chung
  • Display device and driving method thereof
    Patent number: 9514677
    Abstract: A method of driving an OLED display includes: during a scanning period of a first frame, turning off a relay transistor and turning on a switching transistor to enable a second data voltage applied to a data line to be stored in a first capacitor; and during a light emitting period of the first frame, performing an operation to turn on a light emitting transistor and a compensation transistor to enable a voltage into which a first data voltage and a threshold voltage of a driving transistor are reflected to be applied to a second node for enabling the OLED to emit light by a driving current which flows into a driving transistor. The scanning period and the light emitting period temporally overlap each other.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: December 6, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Bo-Yong Chung, Hae-Yeon Lee, Yong-Jae Kim
  • GATE DRIVER AND DISPLAY DEVICE
    Publication number: 20160351160
    Abstract: There is provided a gate driver including a plurality of gate sub-drivers electrically connected to a plurality of gate lines, wherein an (n)th gate sub-driver, of the gate sub-drivers includes a shift register configured to receive an (n-1)th carry signal from an (n-1)th gate sub-driver of the gate sub-drivers adjacent to the (n)th gate sub-driver, to synchronize the (n-1)th carry signal with a first clock signal, and to output an (n)th carry signal based on the synchronized (n-1)th carry signal, and a mask configured to output a gate signal based on the synchronized (n-1)th carry signal and a mask signal, wherein n is an integer greater than or equal to 2.
    Type: Application
    Filed: May 17, 2016
    Publication date: December 1, 2016
    Inventors: Hai-Jung In, Bo-Yong Chung
  • Driving circuit having extra transistor or capacitor, and flat panel display device including the driving circuit
    Patent number: 9508300
    Abstract: A driving circuit includes: an input terminal; an output terminal; a first transistor having a source electrode coupled to the input terminal, a drain electrode coupled to the output terminal, and a gate electrode; a second transistor having a source electrode, a drain electrode, and a gate electrode respectively coupled to the source electrode, the drain electrode, and the gate electrode of the first transistor; a first capacitor having a first electrode coupled to the input terminal and a second electrode coupled to the output terminal; and a second capacitor coupled in parallel with the first capacitor and having a first electrode coupled to the first electrode of the first capacitor and a second electrode that is floated.
    Type: Grant
    Filed: December 13, 2012
    Date of Patent: November 29, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung-Mi Choi, Bo-Yong Chung, Keum-Nam Kim
  • Method and display apparatus for providing content
    Patent number: 9501144
    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: Grant
    Filed: July 17, 2013
    Date of Patent: November 22, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun-seok Lee, Sang-won Leigh, Sung-goo Cho, Kyung-hwa Yu, Jin-yong Chung
  • Electro static discharge protection circuit and electronic device having the same
    Patent number: 9478532
    Abstract: An electro static discharge (ESD) protection circuit including a signal transmission line coupled to an external input terminal, the ESD protection circuit including: a first power line coupled to a high voltage power supply; a second power line coupled to a low voltage power supply; a plurality of first oxide thin film transistors coupled in parallel between the first power line and the signal transmission line, the first oxide thin film transistors being diode-connected; and a plurality of second oxide thin film transistors coupled in parallel between the signal transmission line and the second power line, the second oxide thin film transistors being diode-connected.
    Type: Grant
    Filed: July 8, 2014
    Date of Patent: October 25, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hai-Jung In, Bo-Yong Chung
  • AMINOCARBONYLCARBAMATE COMPOUNDS
    Publication number: 20160303067
    Abstract: The present disclosure provides a compound represented by Formula (I) and a pharmaceutically acceptable salt which are effective as a dopamine reuptake inhibitor and a method of using the compound: wherein X is independently halo, alkyl, alkoxy or nitro; m is 0, 1, 2, 3 or 4; n is 1 or 2; R1 and R2 are independently H— or alkyl; R3 is H—, alkyl or aralkyl; and R4 is H— or aryl.
    Type: Application
    Filed: June 28, 2016
    Publication date: October 20, 2016
    Inventors: Young-Soon KANG, Jin-Yong CHUNG, Cheol-Young MAENG, Han-Ju YI, Ki-Ho LEE, Joon HEO, Eun-Hee CHAE, Yu-Jin SHIN
  • Cable Management System
    Publication number: 20160293293
    Abstract: A cable management system (10) for retaining cables that is an improvement in the management of cables (14) or other long flexible articles, particularly when gathered for storage. The cable management system may allow a cable retaining when wrapped as a coil or in bundle form. It may include an element integrated with one or both ends of the cable, so that the cable is integrated with the cable management system and cannot be physically separated from the cable or cord or lost. The cable management system may utilize a malleable element (20) oriented along an end of the cable, such that the malleable element may be bent into a position in which it is wrapped around a cable coil (130) or bundle (30).
    Type: Application
    Filed: April 6, 2015
    Publication date: October 6, 2016
    Inventors: Sam SangHoon Oh, Seunghee Oh, Ho Yong Chung, Kevin Oh
  • Headphone With Interchangeable Headband Inserts
    Publication number: 20160277828
    Abstract: Audio headphones for customizing a wearer's headphones by inserting a variety of interchangeable head supports onto a headband of the headphones. The interchangeable head supports may be inserted from above or below the headband and may provide different comfort, design and style headbands. The interchangeable head supports may include a plurality of protrusions that extending from the insert that contact a wearer's head and provide a gap between headband and the user's head.
    Type: Application
    Filed: March 19, 2015
    Publication date: September 22, 2016
    Inventors: Sam SangHoon Oh, Seunghee Oh, Ho Yong Chung, Kevin Oh