Patents by Inventor Dong-Su Kim

Dong-Su 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: 20210013411
    Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.
    Type: Application
    Filed: April 16, 2019
    Publication date: January 14, 2021
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Jun-Tae MO, Mi-Jin KIM, Ji-Yoon BYUN, Jong-Su LEE, Dong-Jun KIM
  • Patent number: 10893348
    Abstract: A sound vibration actuator includes: a bracket and a casing for forming an internal space; a coil part coupled to the bracket in the internal space; a magnet part disposed around the coil part; an elastic member whose one surface coupled to the magnet part; a substrate fixed to the bracket and exposed outward from the internal space; and a substrate seating part disposed on the outer peripheral surface of the casing, wherein the substrate is disposed on top of the substrate seating part. The sound vibration actuator reduces the entire thickness thereof, while constantly maintaining an amount of vibration and generate vibrations in various frequency bands because the coil and the magnet are not fixed in the process where the vibrations are generated.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: January 12, 2021
    Assignee: MPLUS CO., LTD.
    Inventors: Yong Tae Kim, Yeon Ho Son, Dong Su Moon
  • Patent number: 10892924
    Abstract: Disclosed herein is a demodulation method of a Layer-Division Multiplexing (LDM) system. The demodulation method may include receiving an LDM modulation signal, restoring a first-layer signal from the LDM modulation signal and remodulating the first-layer signal, restoring and remodulating a second-layer signal by performing cancellation of the amplitude component of the first-layer signal from the LDM modulation signal using signaling information independently of restoration and remodulation of the first-layer signal, and restoring a third-layer signal using the first-layer signal, the second-layer signal, and the LDM modulation signal.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: January 12, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jae-Hwui Bae, Sun-Hyoung Kwon, Young-Su Kim, Dong-Joon Choi, Nam-Ho Hur
  • Publication number: 20210005271
    Abstract: A storage device including, a plurality of non-volatile memories configured to include a memory cell region including at least one first metal pad; and a peripheral circuit region including at least one second metal pad and vertically connected to the memory cell region by the at least one first metal pad and the at least one second metal pad, and a controller connected to the plurality of non-volatile memories through a plurality of channels and configured to control the plurality of non-volatile memories, wherein the controller selects one of a first read operation mode and a second read operation mode and transfers a read command corresponding to the selected read operation mode to the plurality of non-volatile memories, wherein one sensing operation is performed to identify one program state among program sates in the first read operation mode, and wherein at least two sensing operations are performed to identify the one program state among the program states in the second read operation mode.
    Type: Application
    Filed: September 23, 2020
    Publication date: January 7, 2021
    Inventors: Dong Jin SHIN, Ji Su KIM, Dae Seok BYEON, Ji Sang LEE, Jun Jin KONG, Eun Chu OH
  • Publication number: 20200407505
    Abstract: The present invention provides: a method for manufacturing a polyimide film for a graphite sheet having improved thermal conductivity; and the polyimide film. The present invention also provides a graphite sheet having excellent thermal conductivity, which is manufactured using the polyimide film.
    Type: Application
    Filed: July 20, 2018
    Publication date: December 31, 2020
    Applicant: PI ADVANCED MATERIALS CO., LTD.
    Inventors: Kyung Su KIM, Jeong Yeul CHOI, Dong Young WON
  • Patent number: 10879747
    Abstract: Disclosed is an apparatus for transmitting wireless power including: a plurality of coils; a position-sensing circuit that determines a position of an electronic device charged by the apparatus; and a control circuit determines at least one coil corresponding to the determined position of the electronic device from among the plurality of coils and transmit wireless charging power through one coil selected from the at least one determined coil. Other embodiments can be applied.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: December 29, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-Chul Hong, Kwang-Seob Kim, Dong-Zo Kim, Ji-Won Kim, Keum-Su Song, Min-Cheol Ha, Se-Hyun Cho
  • Patent number: 10878774
    Abstract: A display device includes a timing controller configured to supply a first set signal to a data control signal line in a first frequency mode, and to supply a second set signal and a data signal to the data control signal line in a second frequency mode that is different from the first frequency mode, a data driver configured to recover the data signal supplied to the data control signal line according to a signal recovery characteristic value, to generate a plurality of data voltages based on the recovered data signal, and to adjust the signal recover characteristic value based on the first set signal and the second set signal, and a display unit including a plurality of pixels that emit lights with gray scales corresponding to the plurality of data voltages.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: December 29, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae Gon Im, Myeong Su Kim, Bo Yeon Kim, Sun Koo Kang, Yong Bum Kim, Dong Won Park, Jung Hwan Cho
  • Patent number: 10879804
    Abstract: A switching regulator configured to generate an output voltage based on an input voltage is provided. The switching regulator includes: an inductor; and a capacitor circuit configured to generate the output voltage by charging an inductor current passing through the inductor from the input voltage, provide a first capacitance as a load capacitance based on the output voltage being a first level or a second level, and provide a second capacitance, which is less than the first capacitance, as the load capacitance based on the output voltage being between the first level to the second level.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: December 29, 2020
    Assignee: SAMSUNG ELECTRONICS CO.. LTD.
    Inventors: Dong-su Kim, Jong-beom Baek
  • Publication number: 20200399435
    Abstract: The present invention provides a graphite sheet polyimide film derived from a first precursor composition comprising a first polyamic acid, the polyimide film comprising a sublimable inorganic filler and a graphene-containing spherical polyimide-based filler.
    Type: Application
    Filed: July 20, 2018
    Publication date: December 24, 2020
    Applicant: PI ADVANCED MATERIALS CO., LTD.
    Inventors: Kyung Su KIM, Jeong Yeul CHOI, Dong Young WON
  • Publication number: 20200399183
    Abstract: The present invention provides: a graphite sheet polyimide film, which is derived from a first precursor composition comprising a first polyamic acid and comprises a sublimable inorganic filler and a spherical polyimide-based filler; a manufacturing method therefor; and a graphite sheet manufactured using the same.
    Type: Application
    Filed: July 20, 2018
    Publication date: December 24, 2020
    Applicant: PI ADVANCED MATERIALS CO., LTD.
    Inventors: Kyung Su KIM, Jeong Yeul CHOI, Dong Young WON
  • Patent number: 10870580
    Abstract: The present disclosure provides a polyimide film prepared from a precursor composition containing a polyamic acid and an organic solvent and having a value of (first FWHM?second FWHM)/(first FWHM+second FWHM) which is less than 0.4, a graphite sheet prepared from the polyimide film, and a method for preparing a graphite sheet.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: December 22, 2020
    Assignee: PI Advanced Materials Co., Ltd.
    Inventors: Dong Young Won, Kyung Su Kim, Sung Il Cho, Jeong Yeul Choi
  • Publication number: 20200396846
    Abstract: A printed circuit board includes an insulating layer, a circuit pattern on the insulating layer, and a surface treatment layer on the circuit pattern. The surface treatment layer includes a bottom surface having a width wider than a width of a top surface of the circuit pattern.
    Type: Application
    Filed: August 28, 2020
    Publication date: December 17, 2020
    Inventors: Yun Mi BAE, Soon Gyu KWON, Sang Hwa KIM, Sang Young LEE, Jin Hak LEE, Han Su LEE, Dong Hun JEONG, In Ho JEONG, Dae Young CHOI, Jung Ho HWANG
  • Publication number: 20200396110
    Abstract: Disclosed herein is a demodulation method of a Layer-Division Multiplexing (LDM) system. The demodulation method may include receiving an LDM modulation signal, restoring a first-layer signal from the LDM modulation signal and remodulating the first-layer signal, restoring and remodulating a second-layer signal by performing cancellation of the amplitude component of the first-layer signal from the LDM modulation signal using signaling information independently of restoration and remodulation of the first-layer signal, and restoring a third-layer signal using the first-layer signal, the second-layer signal, and the LDM modulation signal.
    Type: Application
    Filed: February 21, 2020
    Publication date: December 17, 2020
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jae-Hwui BAE, Sun-Hyoung KWON, Young-Su KIM, Dong-Joon CHOI, Nam-Ho HUR
  • Patent number: 10869049
    Abstract: The present invention relates to an image encoding/decoding method and device. The image decoding method according to the present invention comprises the steps of: decoding a prediction mode index; determining whether the prediction mode index indicates function-based intra prediction; inducing a parameter (s) for generating a function, when the prediction mode index indicates the function-based intra prediction; generating the function on the basis of the induced parameter (s); and performing intra prediction by using the generated function.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: December 15, 2020
    Assignee: RESEARCH & BUSINESS FOUNDATION SUNGYUNWAN UNIVERSITY
    Inventors: Seung Hyun Cho, Jung Won Kang, Hyun Suk Ko, Sung Chang Lim, Jin Ho mes Lee, Ha Hyun Lee, Dong San Jun, Hui Yong Kim, Byeung Woo Jeon, Nam Uk Kim, Seung Su Jeon, Jin Soo Choi
  • Publication number: 20200388306
    Abstract: A data transfer circuit and a memory device including the data transfer circuit are provided. The data transfer circuit includes a first regulator provided with an external voltage to output a first internal voltage; a second regulator configured in a same manner as the first regulator and provided with the external voltage to output a second internal voltage; an amplifier configured for amplifying noise between the first internal voltage and the second internal voltage to output an amplification voltage; and a plurality of peripheral circuits performing by being provided with the first internal voltage.
    Type: Application
    Filed: January 3, 2020
    Publication date: December 10, 2020
    Applicant: SK hynix Inc.
    Inventors: Kwan Su SHON, Dong Hyun KIM, Yo Han JEONG
  • Patent number: 10861518
    Abstract: A delay control circuit, which may be included in a memory device, includes a delayed signal generator configured to generate an output signal by delaying an input signal in response to a delay control signal and a delay information generator configured to generate delay information indicating an output delay between the input signal and the output signal. The delay control circuit also includes a delay control signal generator configured to, based on a result of a comparison between target delay information indicating a target delay between the input signal and the output signal and based on the delay information, generate the delay control signal for controlling the output delay and fix the output delay at the target delay in response to the delay control signal.
    Type: Grant
    Filed: October 18, 2019
    Date of Patent: December 8, 2020
    Assignee: SK hynix Inc.
    Inventors: Dong Hyun Kim, Kwan Su Shon, Jin Ha Hwang
  • Patent number: 10861978
    Abstract: A thin film transistor according to an exemplary embodiment of the present invention includes an oxide semiconductor. A source electrode and a drain electrode face each other. The source electrode and the drain electrode are positioned at two opposite sides, respectively, of the oxide semiconductor. A low conductive region is positioned between the source electrode or the drain electrode and the oxide semiconductor. An insulating layer is positioned on the oxide semiconductor and the low conductive region. A gate electrode is positioned on the insulating layer. The insulating layer covers the oxide semiconductor and the low conductive region. A carrier concentration of the low conductive region is lower than a carrier concentration of the source electrode or the drain electrode.
    Type: Grant
    Filed: December 24, 2018
    Date of Patent: December 8, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yong Su Lee, Yoon Ho Khang, Dong Jo Kim, Hyun Jae Na, Sang Ho Park, Se Hwan Yu, Chong Sup Chang, Dae Ho Kim, Jae Neung Kim, Myoung Geun Cha, Sang Gab Kim, Yu-Gwang Jeong
  • Publication number: 20200381797
    Abstract: A quasi-coaxial transmission line, a semiconductor package including the same and a method of manufacturing the same are disclosed. The quasi-coaxial transmission line includes a core, which is formed through an upper surface and a lower surface of a base substrate so as to transmit an electrical signal, and a shield, which is spaced apart from the core and which coaxially surrounds a side surface of the core, at least a portion of the shield being removed so as to form an open portion. The quasi-coaxial transmission line is capable of preventing distortion of an electrical signal at a portion thereof that is connected to an external circuit board and to reduce an area of a semiconductor package including the quasi-coaxial transmission line.
    Type: Application
    Filed: May 12, 2020
    Publication date: December 3, 2020
    Inventors: Jong Min YOOK, Jun Chul KIM, Dong Su KIM
  • Publication number: 20200373256
    Abstract: A semiconductor package includes a semiconductor chip including an electrode pad formed on the top surface thereof, a passive device embedded in the semiconductor package, the passive device having no functional electrode on the top surface thereof, a cover layer covering the semiconductor chip and the passive device, and at least one electrode pattern formed on the cover layer to transmit electrical signals. The cover layer includes at least one first opening formed to expose a region in which the functional electrode is to be formed. The electrode pattern includes a functional electrode portion formed in a region in which the functional electrode of the passive device is to be formed through the first opening. In the process of forming the electrode pattern, a functional electrode of the passive device is formed together therewith, thereby eliminating a separate step of manufacturing a functional electrode and thus reducing manufacturing costs.
    Type: Application
    Filed: May 20, 2020
    Publication date: November 26, 2020
    Applicant: Korea Electronics Technology Institute
    Inventors: Jong Min YOOK, Jun Chul KIM, Dong Su KIM
  • Patent number: RE48331
    Abstract: A film tension control system according to an embodiment of the present disclosure includes a delamination unit installed on a transfer path of a polarizing plate to delaminate a release film from a polarizing film, the polarizing plate including the polarizing film and the release film attached to one surface of the polarizing film, an inspection unit installed on a transfer path of the polarizing film to inspect if impurities are present in an adhesive layer formed on one surface of the polarizing film, a tension indication unit installed on a movement path of the release film to indicate a degree of tension applied to the release film, a re-lamination unit to re-laminate the release film having passed through the tension indication unit on the adhesive layer of the polarizing film having passed through the inspection unit, and a tension adjustment unit installed on the transfer path of the re-laminated polarizing plate to adjust the tension of the optical film and the release film.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: December 1, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Eun-Je Kim, Eung-Jin Jang, Jae-Ok Shin, Youn-Su Kim, Tae-Sick Kim, Jung-Kyu Park, Young-Sun Bang, Eui-Bong Ha, Dong-Ki Hwang, Jung-Sik Yoon