Patents by Inventor Dong Ju

Dong Ju 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: 20230017233
    Abstract: A pouch-type secondary battery includes an electrode assembly including a first electrode plate, a separator, and a second electrode plate; and a pouch film in which the electrode assembly is accommodated, wherein the pouch film includes a first side sealing portion from which a negative electrode lead connected to the electrode assembly protrudes, a second side sealing portion from which a positive electrode lead connected to the electrode assembly protrudes, and an upper sealing portion having both end portions connected to the first and second side sealing portions, and the pouch film includes a folded portion disposed on an end of the first side sealing portion and an end of the second side sealing portion, and folded toward a bottom portion of the pouch film, wherein the folded portion is folded in one direction.
    Type: Application
    Filed: July 19, 2022
    Publication date: January 19, 2023
    Inventors: Jae Gyu BYUN, Dong Ju KIM, Sang Mo KIM, Jin Go KIM, Sun Min PARK, Taek Eon JEONG
  • Patent number: 11538801
    Abstract: A semiconductor package includes a first substrate that includes a first trench on a recessed portion of a bottom surface of the first substrate and a first through hole extending through the first substrate to the first trench, a first semiconductor chip on the first substrate, a first capacitor chip in the first trench and on the first substrate, and a first molding layer on the first substrate and covering the first semiconductor chip. The first molding layer includes a first part that extends parallel to a top surface of the first substrate, a second part connected to the first part and extending vertically in the first through hole, and a third part connected to the second part and surrounding the first capacitor chip. A bottom surface of the third part is coplanar with the bottom surface of the first substrate.
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: December 27, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jongho Park, Seung Hwan Kim, Jun Young Oh, Jungjoo Kim, Yongkwan Lee, Dong-Ju Jang
  • Publication number: 20220407169
    Abstract: A ventilation device for a secondary battery includes a frame including a first frame and a second frame, and a connector connecting the first frame and the second frame to each other and including a slit portion. Each of the first frame and the second frame includes a facing surface that faces each other, and at least one of the first frame and the second frame includes a ventilation guiding portion recessed from the facing surface. The frame includes a terrace expansion restraining portion including an inclined surface structured to support a pouch terrace portion of the secondary battery and formed at a surface of the frame adjacent to a surface including the ventilation guiding portion. A ventilation control portion is formed to provide a space between the first frame and the second frame to be connected to the ventilation guiding portion.
    Type: Application
    Filed: June 17, 2022
    Publication date: December 22, 2022
    Inventors: Taek Eon JEONG, Sang Mo KIM, Dong Ju KIM, Jin Go KIM, Sun Min PARK, Jae Gyu BYUN
  • Publication number: 20220407168
    Abstract: A ventilation device for a secondary battery includes a frame including a first frame and a second frame, and a connector connecting the first frame and the second frame to each other and including a slit portion formed therein. Each of the first frame and the second frame has a facing surface that faces each other, and at least one of the first frame and the second frame includes a ventilation guiding portion recessed from the facing surface, and a ventilation control portion is formed to provide a space between the first frame and the second frame and to be connected to the ventilation guiding portion.
    Type: Application
    Filed: June 17, 2022
    Publication date: December 22, 2022
    Inventors: Taek Eon JEONG, Sang Mo KIM, Dong Ju KIM, Jin Go KIM, Sun Min PARK, Jae Gyu BYUN
  • Patent number: 11524088
    Abstract: A portable sterilizer according to an embodiment of the present application is capable of spraying ultra-fine chemicals, and includes a housing in which a space is formed and an injection nozzle is provided at a front end thereof, a chemical tank provided on one side of the space of the housing, a chemical feed pipe formed between the chemical tank and the injection nozzle, and a water pump which is installed on one side of the chemical supply pipe to supply the chemical to the injection nozzle through the chemical supply pipe.
    Type: Grant
    Filed: September 1, 2020
    Date of Patent: December 13, 2022
    Assignee: PARTICLE CO., LTD.
    Inventors: Doo Hyun Choi, Dong Ju Lee, Youn Goo Choi
  • Patent number: 11523463
    Abstract: A method for a disaster site integrated commanding and operating system includes: receiving, by the disaster site integrating commanding and operating system, organization information for responding to a disaster site; specifying a first operation group corresponding to the organization information, wherein the first operation group includes a first commanding network group corresponding to a first commanding network including a first communication terminal of at least one first commanding officer, and a first operation network group corresponding to a first operation network including second communication terminals of operation resources included in the organization information; and transmitting a control signal to perform grouping of communication terminals connected to a disaster safety communication network for each group network of the specified first commanding network and first operation network, wherein the first communication terminal and the second communication terminal are each set to follow a gro
    Type: Grant
    Filed: March 3, 2021
    Date of Patent: December 6, 2022
    Assignee: WINITECH CO., LTD.
    Inventors: Seung Bok Hong, Dong Ju Yu, Young Gi Lee, Kyo Koan Chu
  • Publication number: 20220381833
    Abstract: A method for determining a low voltage defect of a lithium secondary battery is provided.
    Type: Application
    Filed: November 19, 2021
    Publication date: December 1, 2022
    Inventors: Dong Hui KIM, Se Young LEE, Dong Ju LEE
  • Patent number: 11506781
    Abstract: An apparatus for correcting an error of a radar sensor for a vehicle and a method thereof can correct a target measurement error of the radar sensor installed inside a bumper of the vehicle based on target information obtained from a camera image. The apparatus includes: a radar sensor that is installed inside a bumper of the vehicle to detect a target, a camera that photographs a surrounding image of the vehicle, and a controller that corrects a target detection error of the radar sensor based on target information obtained from an image photographed by the camera.
    Type: Grant
    Filed: May 8, 2020
    Date of Patent: November 22, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventor: Dong Ju Lee
  • Publication number: 20220350784
    Abstract: A key-value storage device includes a non-volatile memory and a controller. The key-value storage device is configured to communicate with a host and includes a controller and a non-volatile memory. The controller is configured to receive, from the host, a first command including a key, a first chunk among multiple chunks included in a value corresponding to the key, and a first chunk index corresponding to the first chunk. The controller is configured to store mapping information of the first chunk in a mapping table based on the key and the first chunk index. The non-volatile memory is configured to store the key and the first chunk based on the mapping information.
    Type: Application
    Filed: July 18, 2022
    Publication date: November 3, 2022
    Inventors: JE-KYEOM JEON, JAE-JU KIM, DONG-JU ROH, SANG-YOON OH, BYUNG-KI LEE, SUNG-KUG CHO
  • Patent number: 11482180
    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: Grant
    Filed: February 7, 2018
    Date of Patent: October 25, 2022
    Assignee: Silicon Works Co., Ltd.
    Inventors: Kyung Jik Min, Jeong Hoon Choi, Dong Ju Kim, Jung Bae Yun
  • Publication number: 20220305162
    Abstract: A portable sterilizer according to an embodiment of the present application is capable of spraying ultra-fine chemicals, and includes a housing in which a space is formed and an injection nozzle is provided at a front end thereof, a chemical tank provided on one side of the space of the housing, a chemical feed pipe formed between the chemical tank and the injection nozzle, and a water pump which is installed on one side of the chemical supply pipe to supply the chemical to the injection nozzle through the chemical supply pipe.
    Type: Application
    Filed: September 1, 2020
    Publication date: September 29, 2022
    Inventors: Doo Hyun CHOI, Dong Ju LEE, Youn Goo CHOI
  • Patent number: 11444341
    Abstract: An apparatus for degassing a battery cell includes: a gas suction portion providing negative pressure; a first tubular member connected to the gas suction portion, and having at least one suction port formed in a radial direction; a second tubular member connected to the gas suction portion, and provided to be coupled to the first tubular member; and a hemispherical cover coupled to the first tubular member and the second tubular member, respectively, wherein the hemispherical cover includes a first cover coupled to the first tubular member and a second cover coupled to the second tubular member, when the first tubular member and the second tubular member and are coupled, the first cover and the second cover may be disposed such that openings face each other, and the suction port may be disposed between the first cover and the second cover.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: September 13, 2022
    Assignee: SK Innovation Co., Ltd.
    Inventors: Sun Min Park, Dong Ju Kim, Ji Won Na
  • Publication number: 20220277969
    Abstract: An embodiment of the present invention provides a large-area heater. The large-area heater comprises: a heating plate including a central area in which heat is concentrated and a peripheral area surrounding the central area; and a plurality of unit heaters for heating at least a part of the central area and at least a part of the peripheral area, wherein each of the plurality of unit heaters comprises: a plurality of heat emitting areas producing different amounts of heat; a plurality of power wires for independently transmitting power to the plurality of heating areas, respectively; and pairs of power terminals which are arranged at the corner of each of the unit heaters so as to supply power to the plurality of power wires, the number of pairs of power terminals corresponding to the number of the plurality of heat emitting areas.
    Type: Application
    Filed: November 22, 2019
    Publication date: September 1, 2022
    Inventors: Tai Young KANG, Dong ju KIM, Young Sung HONG, Hyun Gi KANG
  • Publication number: 20220278416
    Abstract: A battery cell includes: an electrode assembly; a battery case accommodating the electrode assembly and an electrolyte; and a gas discharging portion disposed between the electrode assembly and the battery case, and opening and closing a flow path based on pressure within the battery case, wherein the gas discharging portion includes: a moving member being moved in the flow path; a plurality of elastic members each elastically supporting the moving member; and a plurality of support members each disposed between the moving member and the elastic member, and in point contact with the moving member.
    Type: Application
    Filed: February 25, 2022
    Publication date: September 1, 2022
    Inventors: Taek Eon JEONG, Sang Mo KIM, Dong Ju KIM, Jae Gyu BYUN, Sun Min PARK, Eun Soo CHO
  • Patent number: 11401111
    Abstract: A conveyor apparatus includes a supporting plate and a conveyor module. The supporting plate is connected to the conveyor module. The supporting plate includes a first power and communication terminal that is configured to provide the conveyor module with power and a communication connection. The conveyor module is connected to the supporting plate. The conveyor module is detachable and includes a second power and communication terminal that is connected to the first power and communication terminal to receive the power and to perform the communication connection. The first and second power and communication terminals are detachable, with an ability to be connected to and disconnected from each other.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: August 2, 2022
    Assignee: SK hynix Inc.
    Inventor: Dong Ju Seok
  • Publication number: 20220227631
    Abstract: The present disclosure relates to a carbon nanotube fiber having improved physical properties and a method for manufacturing the same. The method according to the present disclosure comprises the steps of: spinning carbon nanotubes with a purity of 90% by weight or more to obtain a first carbon nanotube fiber; and heat-treating the first carbon nanotube fiber at 500 to 3,000° C. under an inert gas atmosphere to obtain a second carbon nanotube fiber, wherein the second carbon nanotube fiber has a density of 1.0 to 2.5 g/cm3.
    Type: Application
    Filed: July 28, 2021
    Publication date: July 21, 2022
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Bon Cheol KU, Jun Yeon HWANG, Hyeon Su JEONG, Nam Ho YOU, Nam Dong KIM, Dae Yoon KIM, Dong Ju LEE, Seo Gyun KIM, Seung Ki HONG, Seung Woo RYU
  • Patent number: 11392571
    Abstract: A key-value storage device includes a non-volatile memory and a controller. The key-value storage device is configured to communicate with a host and includes a controller and a non-volatile memory. The controller is configured to receive, from the host, a first command including a key, a first chunk among multiple chunks included in a value corresponding to the key, and a first chunk index corresponding to the first chunk. The controller is configured to store mapping information of the first chunk in a mapping table based on the key and the first chunk index. The non-volatile memory is configured to store the key and the first chunk based on the mapping information.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: July 19, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Je-Kyeom Jeon, Jae-Ju Kim, Dong-Ju Roh, Sang-Yoon Oh, Byung-Ki Lee, Sung-Kug Cho
  • Patent number: 11394106
    Abstract: Various embodiments of the present invention relate to an electronic device comprising a wireless communication circuit, and a portable communication device.
    Type: Grant
    Filed: November 5, 2018
    Date of Patent: July 19, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong Ju Lee, Won Jin Choi, Bong Sup Son, Moon Hyuk Choi, Se Woong Ahn, Su Ho Jin, Jung Hyun Park, Sung Jun Kim, Sung Chul Park, Ji Woo Lee
  • Publication number: 20220209278
    Abstract: Provided is a superwide pouch type secondary battery comprising an electrode assembly including a cathode plate, an anode plate, and a separator; a pouch surrounding the electrode assembly; and electrode tabs connected to both ends of the electrode assembly and protruding outward of the pouch, wherein the electrode tabs connected to the both ends of the electrode assembly include one or more cathode tabs and anode tabs, respectively, and width of battery cell is more than 4 times longer than height of battery cell such that loading efficiency of the pouch type secondary battery into a vehicle and an energy density may be improved without increasing an internal electrode.
    Type: Application
    Filed: January 13, 2022
    Publication date: June 30, 2022
    Inventors: Dong Ju KIM, Jin Go KIM, Bo Hyun LEE
  • Publication number: 20220158272
    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: December 29, 2021
    Publication date: May 19, 2022
    Inventors: Seung Hoon JU, Kwan Yong KIM, Dong Ju KIM, Sung Yeop KIM, Jin Go KIM, Tae Il KIM, Seung Noh LEE