Patents by Inventor Jong Hyun Lee

Jong Hyun Lee 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: 20210175527
    Abstract: Introduced is an fuel cell power net including a fuel cell configured to generate power through a reaction between a fuel gas and an oxidizing gas, a power storage device configured to be charged with power generated by the fuel cell or discharged to supply power, a main line configured to electrically connect the fuel cell and the power storage device to each other; a main relay disposed on the main line so as to break or make an electrical connection between the fuel cell and the power storage device, a bypass line which is branched from the main line, bypasses the main relay, and is connected to the power storage device, a bypass relay disposed on the bypass line so as to break or make an electrical connection of the bypass line, and a controller configured to control the main relay or the bypass relay such that the power stored in the storage device is supplied to the fuel cell while the power generation of the fuel cell is stopped.
    Type: Application
    Filed: April 1, 2020
    Publication date: June 10, 2021
    Inventors: Jong Hyun Lee, Keun Bong Ham
  • Patent number: 11024881
    Abstract: The present invention provides an electrolyte additive comprising a salt of an anion, derived from a nitrogen-atom-containing compound, with Cs+ or Rb+. Further, the present invention provides an electrolyte additive further comprising lithium difluoro bis(oxalato) phosphate. The present invention provides a non-aqueous electrolyte comprising a lithium salt, a non-aqueous organic solvent, and the electrolyte additive, and may provide a lithium secondary battery comprising: a cathode employing a cathode active material; an anode employing an anode active material; a separator interposed between the cathode and the anode; and the non-aqueous electrolyte.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: June 1, 2021
    Inventors: Jae Yoon Kim, Hyeong Kyu Lim, Jong Hyun Lee, Ji Seong Han
  • Patent number: 11021796
    Abstract: A gas injector includes first and second gas introduction passages extending in a first direction toward a central axis of a process chamber respectively, a first bypass passage extending from the first gas introduction passage in a second direction that is substantially perpendicular to the first direction, a second bypass passage extending from the second gas introduction passage in a reverse direction to the second direction, a first distribution passage isolated from the first bypass passage in the first direction and extending from an outlet of the first bypass passage in the reverse direction to the second direction, a second distribution passage isolated from the second bypass passage in the first direction and extending from an outlet of the second bypass passage in the second direction, and a plurality of spray holes in an outer surface of the first and second distribution passages and configured to spray the process gas.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: June 1, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-Hyun Lee, Young-Kwon Kim, Woo-Jae Kim, Seung-Min Ryu, Ji-Ho Uh
  • Patent number: 10994334
    Abstract: The present invention relates to ear-of-rice-shaped copper particles. The technical gist thereof is a method of manufacturing ear-of-rice-shaped copper particles, ear-of-rice-shaped copper particles manufactured thereby, and a conductive paste using the same. The method includes a first step of preparing a copper precursor solution, a second step of adjusting the pH of the copper precursor solution, a third step of adding a zinc powder to the pH-adjusted copper precursor solution, a fourth step of synthesizing the ear-of-rice-shaped copper particles by stirring the copper precursor solution, to which the zinc powder is added, for a predetermined time, and a fifth step of separating, washing, and then drying the synthesized ear-of-rice-shaped copper particles.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: May 4, 2021
    Inventors: Jong-Hyun Lee, Jun Ho Hwang
  • Patent number: 10973933
    Abstract: Disclosed herein are nanoparticles for diagnosis or treatment of tumors. The nanoparticles include: (a) a core including a Prussian blue dye; and (b) a shell obtained by partially or completely coating a surface of the Prussian blue core with albumin, thereby diagnosing a tumor by a nuclear magnetic resonance imaging apparatus and a near-infrared fluorescence imaging apparatus and necrotizing a tumor by a combined photothermal-photodynamic effect.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: April 13, 2021
    Assignee: GWANGJU INSTITUTE OE SCIENCE AND TECHNOLOGY
    Inventors: Giyoong Tae, Abhishek Sahu, Jong Hyun Lee
  • Patent number: 10971758
    Abstract: The present invention relates to an electrolyte additive comprising a salt of an anion with K+ or Na+, the anion being derived from a nitrogen atom-containing compound, and a lithium-containing compound for forming a coating film. In addition, the present invention provides a lithium salt, a non-aqueous organic solvent, and the electrolyte additive. The present invention relates to a lithium secondary battery which includes a cathode employing a cathode active material, an anode employing an anode active material, a separator interposed between the cathode and the anode, and the non-aqueous electrolyte.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: April 6, 2021
    Inventors: Jae Yoon Kim, Hyeong Kyu Lim, Jong Hyun Lee
  • Patent number: 10957579
    Abstract: Integrated circuit devices and methods of forming the same are provided. The methods of forming an integrated circuit device may include forming a first insulating layer and a first conductive layer on a substrate and selectively forming a second insulating layer on the first insulating layer. The first insulating layer may include a recess, and the first conductive layer may be in the recess of the first insulating layer. The second insulating layer may include a first opening exposing a surface of the first conductive layer. The methods may also include forming a third insulating layer on the second insulating layer and the first conductive layer, forming a second opening extending through the third insulating layer and exposing the first conductive layer, and forming a second conductive layer in the second opening.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: March 23, 2021
    Inventors: Yung Bae Kim, Harsono Simka, Jong Hyun Lee
  • Patent number: 10951320
    Abstract: An apparatus for generating a broadband single-sideband signal based on a laser diode includes a first optical coupler configured to receive an optical carrier signal to divide the optical carrier signal into signals corresponding to a plurality of paths, a hybrid coupler configured to perform Hilbert transform on a radio frequency (RF) signal, a first slave laser and a second slave laser each configured to modulate optical output powers of the divided optical carrier signals by using a Hilbert-transformed RF signal, and a second optical coupler configured to receive an optical output power-modulated optical carrier signal to output a single-sideband signal.
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: March 16, 2021
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Joon Young Kim, Min Kyu Sung, Jong Hyun Lee, Seung Hyun Cho
  • Publication number: 20210055826
    Abstract: A display device includes a fingerprint sensor including a first layer having at least one photo sensor to generate a fingerprint image corresponding to reflected light from a fingerprint contact surface, light emitting elements to transmit light reflected by the fingerprint, and a second layer including pin holes to allow reflected light to be incident upon the at least one photo sensor; and fingerprint detector to receive the fingerprint image from the fingerprint sensor, to extract a first image corresponding to a first region of the fingerprint and a second image corresponding to a second region of the fingerprint, to compare the first and second images to determine similarity, and to perform fingerprint authentication, based on similarity determination, where the fingerprint first region is in contact with the fingerprint contact surface and the fingerprint second region is not in contact with the fingerprint contact surface.
    Type: Application
    Filed: August 19, 2020
    Publication date: February 25, 2021
    Inventors: Won Sang PARK, Jin Oh Kwag, II Nam Kim, Ji Hun Ryu, Seung Hyun Moon, Bong Hyun You, Jong Hyun Lee, Hee Chul Hwang
  • Publication number: 20210056282
    Abstract: A display device including a display panel having a display area including a plurality of pixels and a non-display area surrounding at least one side of the display area, a light blocking layer at least partially overlapping the display area and including opening portions for selectively passing incident light, and a power supply device configured to supply power to the pixels and the light blocking layer, in which the power supply device is configured to apply control power having a different voltage value in correspondence with a type of an image to be displayed in the display area to the light blocking layer, during a display period.
    Type: Application
    Filed: August 21, 2020
    Publication date: February 25, 2021
    Inventors: Il Nam KIM, Jae Kyoung KIM, Ji Hun RYU, Eun Jin SUNG, Seong Ryong LEE, Jong Hyun LEE
  • Publication number: 20210050403
    Abstract: A display device of embodiments of the present disclosure may include a substrate including a display area including a plurality of pixel areas, and a non-display area adjacent the display area, a circuit element layer on the substrate, and including a plurality of non-transmission areas in which a plurality of signal lines for transferring signals for driving a pixel are positioned, and a plurality of transmission areas for transmitting light and located between the signal lines in a plan view, a light emitting element layer on the circuit element layer, and including light emitting elements, and a light blocking layer between the substrate and the circuit element layer, and including a plurality of first opening portions overlapping the non-transmission area, and a plurality of second opening portions overlapping the transmission area, wherein one of the non-transmission areas and the transmission area are in each of the pixel areas.
    Type: Application
    Filed: August 10, 2020
    Publication date: February 18, 2021
    Inventors: Seong Ryong LEE, Jae Kyoung KIM, Won Sang PARK, Jong In BAEK, Eun Jin SUNG, Jong Hyun LEE
  • Patent number: 10917120
    Abstract: The present disclosure relates to a low-complexity syndrome based decoding apparatus and method and a low-complexity syndrome based decoding apparatus includes: a hard decision unit which performs hard decision on a current input value to output a hard decision vector; a syndrome calculator which performs a syndrome operation on the hard decision vector and determines an error type of the hard decision vector based on the syndrome operation result; and a decoder which selects a predetermined decoding algorithm in accordance with the error type to perform the decoding, and the error type includes at least one of no error, a single error, and a double error.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: February 9, 2021
    Assignee: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Jun Heo, Byung Kyu Ahn, Jong Hyun Lee
  • Publication number: 20210034832
    Abstract: Provided is a display device. The display device includes a display panel which includes a base substrate, a thin-film transistor layer on the base substrate, and a light emitting element layer comprising light emitting elements on the thin-film transistor layer; a cover window on the light emitting element layer of the display panel; and a fingerprint recognition sensor layer under the display panel. The base substrate includes a first base, a second base on the first base, and a light blocking layer between the first base and the second base, and the light blocking layer includes holes through which light reflected by a finger touching the cover window passes.
    Type: Application
    Filed: July 16, 2020
    Publication date: February 4, 2021
    Inventors: Jong Hyun LEE, Ji Hun RYU, Il Nam KIM, Jong In BAEK, Eun Jin SUNG
  • Patent number: 10892502
    Abstract: An apparatus and method for controlling operation of a fuel cell system is provided. The method includes measuring a stack current and a stack insulation resistance. The measured stack current is compared with a predetermined current reference value and the measured stack insulation resistance is compared with a predetermined first insulation reference value. An air supply amount to a fuel cell stack is increased during a predetermined time when the measured stack current is less than the predetermined current reference value and the measured stack insulation resistance is less than or equal to the predetermined first insulation reference value.
    Type: Grant
    Filed: November 4, 2018
    Date of Patent: January 12, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jae Hoon Kim, Ui Sik Jeon, Jong Hyun Lee, Kwi Seong Jeong
  • Patent number: 10885244
    Abstract: A test pattern includes first line patterns disposed at a first level, having discontinuous regions spaced apart by a first space, having a first width, and extending in a first direction. The test pattern includes a connection line pattern disposed at a second level and extending in the first direction, second line patterns disposed at the second level, branching from the connection line pattern, having a second width, and extending in a second direction perpendicular to the first direction. The test pattern includes via patterns disposed at a third level, having a third width, and formed around an intersection region having the first width of the first line pattern and the second width of the second line pattern. First pads are connected with the first line patterns. A second pad is connected with the connection line pattern.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: January 5, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Wook Hwang, Jong-Hyun Lee, Min-Soo Kang
  • Publication number: 20200394381
    Abstract: A display deice is provided including a substrate. The substrate includes a display region that includes a plurality of pixels and a sensing region provided in at least one region of the display region. A circuit element layer is disposed on the substrate, the circuit element layer includes a plurality of conductive layers. A light emitting element layer is provided on the circuit element layer. The light emitting element layer includes a plurality of light emitting elements. A sensor layer is disposed on the substrate. The sensor layer includes a plurality of photo sensor units each including sensor pixels. The photo sensor units are arranged in an irregular pattern in the sensing region.
    Type: Application
    Filed: May 29, 2020
    Publication date: December 17, 2020
    Inventors: JI HUN RYU, Il Nam Kim, Jong Hyun Lee, Jae Kyoung Kim, Eun Jin Sung, Seong Ryong Lee
  • Publication number: 20200380239
    Abstract: According to an aspect of the invention, a fingerprint sensor for a display device includes: a substrate having first and second surfaces; a light transmission layer including a first layer disposed on the first surface of the substrate and having first openings in at least one first conductive layer, and a second layer disposed on the first surface of the substrate and having second openings in at least one second conductive layer; a light emitting element layer disposed on the first layer and the second layer and having at least one light emitting element; and a sensor layer disposed on the second surface of the substrate and having light sensors, where at least a portion of the first openings and at least a portion of the second openings at least partially overlap and have different sizes.
    Type: Application
    Filed: May 27, 2020
    Publication date: December 3, 2020
    Inventors: Jong Hyun LEE, Il Nam KIM, Ji Hun RYU, Eun Jin SUNG, Seong Ryong LEE
  • Publication number: 20200363918
    Abstract: Provided is a method and system for an information providing interface based on new user experience. An information providing interface method includes providing a home board including a search box as an initial interface screen for providing information; providing a first content board according to movement from the home board in a first direction or a second content board according to movement in a second direction that is opposite to the first direction in response to an input event on the home board; and visually displaying a shortcut icon for each board and a currently staying board through a partial area of a screen in response to movement from the first content board or the second content board. Each of the first and the second content boards includes a plurality of subpages and each of the subpages includes a different type of content and movement between subpages is allowed.
    Type: Application
    Filed: January 14, 2020
    Publication date: November 19, 2020
    Inventors: Jong Hyun LEE, Jong Ju LEE, Sungmin KIM, Kyung Hwa CHUNG, Yu-Kyung SEO
  • Patent number: 10834794
    Abstract: An LED lighting device according to one embodiment of the present invention comprises: an LED array; a first control unit for controlling the dimming of the LED array; a second control unit for transmitting, to the first control unit, a dimming control signal for controlling the dimming of the LED array; and a transformer comprising a primary coil and a secondary coil spaced apart from each other, wherein the first control unit is connected to the primary coil, the second control unit is connected to the secondary coil, the primary coil and the secondary coil are insulated from each other, the transformer transmits a pulse signal that repeats on/off at predetermined intervals from the first control unit to the second control unit, and, when the pulse signal transmitted from the first control unit to the second control unit via the transformer becomes off, the dimming control signal is transmitted from the second control unit to the first control unit via the transformer and is used to control the dimming of t
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: November 10, 2020
    Assignee: LG Innotek Co., Ltd.
    Inventors: Ji Woong Jo, Jong Hyun Lee, Jae Ho Choi, Min Hak Kim, Min Su Seo, Seung Wan Baek
  • Patent number: 10826087
    Abstract: A hydrogen purging device for a fuel cell system includes a humidifier that humidifies dry air supplied from an air blower, using moist air discharged from a cathode of a stack and supplies the humidified air to the cathode. A water trap and a hydrogen recirculation blower are sequentially connected to an outlet of an anode, wherein a hydrogen outlet of the water trap and an inlet of the humidifier are connected by a cathode-hydrogen purging line for purging hydrogen to the cathode so that the hydrogen discharged from the anode of the fuel stack is purged to the cathode during idling or during normal driving.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: November 3, 2020
    Assignee: Hyundai Motor Company
    Inventors: Young Min Kim, Jong Hyun Lee, Dong Jo Oh