Patents by Inventor Dong-ju Kim

Dong-ju Kim 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: 20200273403
    Abstract: A driver of a display device is disclosed. In order to solve a signal processing error likely to occur in an analog-digital converter which processes a pixel sensing signal provided from a pixel of a display panel, the pixel sensing signal is converted, or an input range of the analog-digital converter is corrected.
    Type: Application
    Filed: November 7, 2018
    Publication date: August 27, 2020
    Applicant: Silicon Works Co., Ltd.
    Inventors: Dong Ju Kim, Won Kim, Jeong Hoon Choi, Jung Bae Yun, Jeung Hie Choi
  • Patent number: 10726787
    Abstract: A chip on film and a display device including the same selectively outputs gate transmission signals and data outputs to reduce the number of output pads in a data driving IC. The COF includes first to third groups of data input pads, gate input pads, and output pads. A data driving IC includes first to third groups of output buffers, a first switchable output unit configured to selectively supply gate transmission signals and an output of the first group of output buffers to the first group of output pads, and a second switchable output unit configured to selectively supply the gate transmission signals and an output of the third group of output buffers to the third group of output pads. An output of the second group of output buffers is supplied to the second group of output pads between the first and the third groups of output pads.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: July 28, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Soon-Dong Cho, Jae-Won Han, Jun-O Hur, Dong-Ju Kim
  • Publication number: 20200184867
    Abstract: A source driver integrated circuit of the present invention comprises: a sensing circuit for receiving a sensing signal for pixels through a sensing line connected to the pixels, converting the sensing signal so as to generate sensing data, and generating a fault signal if an abnormal signal that exceeds an input range is received from the sensing line; and a data driving circuit for receiving, from the data processing circuit, image data which is processed to be compensated according to the sensing data and a data control signal in which the fault signal is reflected, converting the image data so as to generate data voltage, and controlling supply of the data voltage to the pixels according to the data control signal.
    Type: Application
    Filed: July 5, 2018
    Publication date: June 11, 2020
    Inventors: Jeong Hoon Choi, Dong Ju Kim, Su Hun Yang, Jung Bae Yun, Jeung Hie Choi
  • Publication number: 20200135072
    Abstract: Disclosed are a device and method for measuring an organic light emitting diode, which measures an amount of energy for compensating for a burn-in of an organic light emitting diode, by sensing a charged voltage of a sensing line connected to the organic light emitting diode. The device for measuring an organic light emitting diode includes an external current source, and is configured to measure an amount of energy for compensating for a burn-in, by sensing a charged voltage of a parasitic capacitor of a sensing line.
    Type: Application
    Filed: February 7, 2018
    Publication date: April 30, 2020
    Applicant: SILICON WORKS CO., LTD.
    Inventors: Kyung Jik MIN, Jeong Hoon CHOI, Dong Ju KIM, Jung Bae YUN
  • Patent number: 10629944
    Abstract: A battery cell comprises a case including a sidewall portion defined as a depth of a receiving space and a planar portion extended from the sidewall portion and completing the receiving space; and an electrode assembly formed in such a manner that a plurality of electrode plates are stacked and accommodated in the receiving space of the case. In addition, the sidewall portion includes a first side wall and a second side wall protruding outwardly of the first side wall and expanding the receiving space.
    Type: Grant
    Filed: January 16, 2017
    Date of Patent: April 21, 2020
    Assignee: SK Innovation Co., Ltd.
    Inventors: Tae Il Kim, Dong Ju Kim, Jin Go Kim, Seung Noh Lee
  • Publication number: 20190376907
    Abstract: A light-scattering dust sensor includes: a light scattering region; a light emitter configured to emit light to the light scattering region; a light receiver configured to receive scattered light generated in the light scattering region; and an emitted light limiter located between the light emitter and the light scattering region, wherein the light emitted by the light emitter includes: peripheral light; and central light having an intensity that is more uniform than an intensity of the peripheral light, wherein the emitted light limiter is configured to block part of the emitted light, wherein the part of the emitted light blocked by the emitted light limiter includes the peripheral light.
    Type: Application
    Filed: December 12, 2018
    Publication date: December 12, 2019
    Inventors: Sang Ick Park, Do Hoon Kim, Hyun Chul Hwang, Myeong Yong Lee, Dong Ju Kim
  • Patent number: 10444881
    Abstract: Disclosed are a touch power circuit and a touch display device in which an operational amplifier buffers an input pulse having a first voltage and a higher second voltage alternate, and uses the buffered input pulse to provide an output pulse. The operational amplifier includes a non-inverting input terminal to which the input pulse is supplied, an inverting input terminal connected to the output terminal, and an output unit driven according to a result of amplifying a difference between a voltage of the non-inverting input terminal and a voltage of the inverting input terminal and configured to charge and discharge the output terminal. The circuits and devices may further include an offset voltage applier configured to supply an offset voltage having a first polarity to the non-inverting input terminal and/or the inverting input terminal to level-shift the input pulse.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: October 15, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Hoon Jang, Soon-Dong Cho, Juno Hur, Dong-Ju Kim, Won-Yong Jang
  • Publication number: 20190305260
    Abstract: A pouch secondary battery is disclosed. One aspect of the present invention provides a pouch secondary battery including a casing configured to accommodate an electrode assembly from which electrode tabs are led; and the casing includes a sealing portion formed on three sides of four sides of the pouch secondary battery and a close contact portion formed on the remaining one side; and an extending portion protruding perpendicularly with respect to the close contact portion is formed in a portion adjacent to the close contact portion in the sealing portion.
    Type: Application
    Filed: June 18, 2019
    Publication date: October 3, 2019
    Inventors: Tae Il KIM, Dong Ju KIM, Sung Yeop KIM, Jin Go KIM, Seung Noh LEE
  • Publication number: 20190237832
    Abstract: A secondary battery module includes a plurality of pouch type secondary batteries stacked in parallel, and a cooling plate configured to cool the plurality of stacked pouch type secondary batteries, wherein each of the pouch type secondary batteries includes a sealing portion and a close contact portion formed by an exterior material in an outer periphery thereof, the sealing portion is formed at three of four sides of the pouch type secondary battery and the close contact portion is formed at the other side of the pouch type secondary battery, an extending portion protruding in a direction perpendicular to the close contact portion is formed at a portion of the sealing portion adjacent to the close contact portion, and the cooling plate is brought into contact with the close contact portions of the plurality of stacked pouch type secondary batteries and cools the close contact portions.
    Type: Application
    Filed: April 11, 2019
    Publication date: August 1, 2019
    Inventors: Seung Hoon JU, Kwan Yong KIM, Dong Ju KIM, Sung Yeop KIM, Jin Go KIM, Tae Il KIM, Seung Noh LEE
  • Publication number: 20190189058
    Abstract: A chip on film and a display device including the same selectively outputs gate transmission signals and data outputs to reduce the number of output pads in a data driving IC. The COF includes first to third groups of data input pads, gate input pads, and output pads. A data driving IC includes first to third groups of output buffers, a first switchable output unit configured to selectively supply gate transmission signals and an output of the first group of output buffers to the first group of output pads, and a second switchable output unit configured to selectively supply the gate transmission signals and an output of the third group of output buffers to the third group of output pads. An output of the second group of output buffers is supplied to the second group of output pads between the first and the third groups of output pads.
    Type: Application
    Filed: December 7, 2018
    Publication date: June 20, 2019
    Inventors: Soon-Dong CHO, Jae-Won HAN, Jun-O HUR, Dong-Ju KIM
  • Patent number: 10144491
    Abstract: A floating wind power generation device comprises: a main buoyant body which has buoyancy and a space portion provided in the center; an auxiliary buoyant body which has buoyancy and is connected to the main buoyant body by being inserted into the space portion of the main buoyant body; a plurality of wind power generators which are vertically provided on top of the auxiliary buoyant body and generate power; a location control means which is connected to the main buoyant body and controls the location of the main buoyant body; an oscillation inhibiting means which is connected to the main buoyant body and enables the main buoyant body to maintain an equilibrium state by absorbing the sea waves; and a dock connection unit which is connected to the main buoyant body and enables a ship to lie at anchor on the sea.
    Type: Grant
    Filed: July 13, 2015
    Date of Patent: December 4, 2018
    Assignee: UNIVERSITY OF ULSAN FOUNDATION FOR INDUSTRY COOPERATION
    Inventors: Hyun Kyoung Shin, Dong Ju Kim
  • Publication number: 20180188865
    Abstract: Disclosed are a touch power circuit and a touch display device in which an operational amplifier buffers an input pulse having a first voltage and a higher second voltage alternate, and uses the buffered input pulse to provide an output pulse. The operational amplifier includes a non-inverting input terminal to which the input pulse is supplied, an inverting input terminal connected to the output terminal, and an output unit driven according to a result of amplifying a difference between a voltage of the non-inverting input terminal and a voltage of the inverting input terminal and configured to charge and discharge the output terminal. The circuits and devices may further include an offset voltage applier configured to supply an offset voltage having a first polarity to the non-inverting input terminal and/or the inverting input terminal to level-shift the input pulse.
    Type: Application
    Filed: November 14, 2017
    Publication date: July 5, 2018
    Inventors: Hoon JANG, Soon-Dong CHO, Juno HUR, Dong-Ju KIM, Won-Yong JANG
  • Publication number: 20180183088
    Abstract: A sealing device for a secondary battery includes a first pressing member on which a first sealing member covering a first surface of a secondary battery is disposed, a second pressing member on which a second sealing member covering a second surface of the secondary battery is disposed, and a gap adjusting member disposed on one or more of the first pressing member and the second pressing member and configured to adjust a distance between the first pressing member and the second pressing member.
    Type: Application
    Filed: December 13, 2017
    Publication date: June 28, 2018
    Inventors: Dong Ju Kim, Sung Yeop Kim, Tae Il Kim
  • Publication number: 20180030595
    Abstract: A method for using a fixture system and a fixture system for holding workpieces or parts to be treated by a plasma assisted vacuum process, the fixture system including magnetic means which generate a magnetic field with a magnetic force which is high enough for holding the workpiece or part. The magnetic means of the fixture system are designed and arranged in such a manner that magnetic field lines of the generated magnetic field are largely confined to the space including the fixture system and the body of the workpiece or part, so that a generation of unintended plasma inhomogeneities caused by the magnetic field lines is avoided.
    Type: Application
    Filed: February 15, 2016
    Publication date: February 1, 2018
    Inventors: Dong-Ju Kim, Christian Keplinger, Armin Vester, Jurgen Becker
  • Publication number: 20170253305
    Abstract: A floating wind power generation device comprises: a main buoyant body which has buoyancy and a space portion provided in the center; an auxiliary buoyant body which has buoyancy and is connected to the main buoyancy and is connected to the main buoyant body by being inserted into the space portion of the main buoyant body; a plurality of wind power generators which are vertically provided on top of the auxiliary buoyant body and generate power; a location control means which is connected to the main buoyant body and controls the location of the main buoyant body; an oscillation inhibiting means which is connected to the main buoyant body and enables the main buoyant body to maintain an equilibrium state by absorbing the sea waves; and a dock connection unit which is connected to the main buoyant body and enables a ship to lie at anchor on the sea.
    Type: Application
    Filed: July 13, 2015
    Publication date: September 7, 2017
    Applicant: UNIVERSITY OF ULSAN FOUNDATION FOR INDUSTRY COOPERATION
    Inventors: Hyun Kyoung SHIN, Dong Ju KIM
  • Publication number: 20170207426
    Abstract: A battery cell includes a case including a side wall portion defining the depth of a receiving space and a planar portion extending from the side wall portion to complete the receiving space; and an electrode assembly formed by stacking a plurality of electrode plates, and received in the receiving space formed inside the case. The side wall portion includes a second side wall extending from the planar portion; and a first side wall extending from the second side wall. The first side wall and the second side wall have different angles of inclination with respect to the planar portion.
    Type: Application
    Filed: January 9, 2017
    Publication date: July 20, 2017
    Inventors: Tae Il KIM, Dong Ju KIM, Jin Go KIM, Seung Noh LEE
  • Publication number: 20170207483
    Abstract: A battery cell comprises a case including a sidewall portion defined as a depth of a receiving space and a planar portion extended from the sidewall portion and completing the receiving space; and an electrode assembly formed in such a manner that a plurality of electrode plates are stacked and accommodated in the receiving space of the case. In addition, the sidewall portion includes a first side wall and a second side wall protruding outwardly of the first side wall and expanding the receiving space.
    Type: Application
    Filed: January 16, 2017
    Publication date: July 20, 2017
    Inventors: Tae Il KIM, Dong Ju KIM, Jin Go KIM, Seung Noh LEE
  • Publication number: 20170187073
    Abstract: A lithium secondary battery includes a case, a jelly roll housed in the case, the jelly roll including a plurality of electrode plates and a separation film disposed between the plurality of electrode plates, and a heat conduction plate disposed on both sides of the jelly roll and housed in the case together with the jelly roll.
    Type: Application
    Filed: December 21, 2016
    Publication date: June 29, 2017
    Inventors: Dong Ju KIM, Jin Go KIM, Tae Il KIM, Seung Noh LEE
  • Publication number: 20170179534
    Abstract: A lithium secondary battery includes a case, a jelly roll laminate housed in the case, the jelly roll laminate including jelly rolls, each of which includes a plurality of electrode plates and a separation film disposed between the plurality of electrode plates, and at least one heat conduction plate interposed between the jelly rolls.
    Type: Application
    Filed: December 21, 2016
    Publication date: June 22, 2017
    Inventors: Dong Ju KIM, Jin Go KIM, Tae Il KIM, Seung Noh LEE
  • Patent number: 9007177
    Abstract: A method for generating a behavior pattern based on information from radio frequency identification tags is disclosed. The method includes identifying a plurality of radio frequency identification tags, generating a radio frequency identification group that corresponds to the plurality of radio frequency identification tags, receiving behavior information that corresponds to the radio frequency identification group from a user device, matching the radio frequency identification group with the behavior information, generating a behavior pattern corresponding to the matched radio frequency identification group and the behavior information, and storing the behavior pattern in a database.
    Type: Grant
    Filed: June 18, 2012
    Date of Patent: April 14, 2015
    Assignee: KT Corporation
    Inventors: Soo-seob Won, Dong-ju Kim, Yeong-il Seo