Patents by Inventor Dae Kyu Kim

Dae Kyu 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: 20210125975
    Abstract: Provided is a cooled optical transmission module device including a silicon wafer having a plurality of platform mounting grooves, each of which serves as a space for mounting in which an optical transmission platform therein, a thermoelectric cooler bonded to the platform mounting groove to transfer heat to outside, the optical transmission platform provided on the thermoelectric cooler and configured to output an optical signal by generating and reflecting the optical signal, a dielectric sub-mount bonded to the platform mounting groove of the silicon wafer and electrically connected to the mounted optical transmission platform, and a cover configured to cover the platform mounting groove of the silicon wafer and seal the platform mounting groove while providing an electric path.
    Type: Application
    Filed: October 27, 2020
    Publication date: April 29, 2021
    Inventors: Eun Kyu KANG, Jong Jin LEE, Sang Jin KWON, Won Bae KWON, Dae Seon KIM, Soo Yong JUNG
  • Publication number: 20210123750
    Abstract: An autonomous vehicle and a method for generating a U-turn path thereof are provided. In response to detecting a U-turn section ahead of the vehicle based on a travel route mapped to the precise map information stored in a memory, the autonomous vehicle calculates a behavior characteristic of the vehicle while being driven in the U-turn section. The vehicle then generates a U-turn path based on the behavior characteristic of the vehicle.
    Type: Application
    Filed: August 19, 2020
    Publication date: April 29, 2021
    Inventors: Seong Su Im, Hyun Kyu Kim, Dae Hie Hong, Su Young Choi
  • Publication number: 20210127384
    Abstract: A method and apparatus of accessing a channel in a wireless local area network is provided. A destination station receives a request to send (RTS) frame to allocate a network allocation vector from a source station over a first bandwidth and transmits a clear to send (CTS) frame over a second bandwidth to the source station in response to the RTS frame. The second bandwidth is dynamically determined when a first parameter has a predetermined value.
    Type: Application
    Filed: December 6, 2020
    Publication date: April 29, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Il-Gu Lee, Sok-Kyu Lee, Hyun-Kyu Chung, Dae-Sik Kim
  • Publication number: 20210074977
    Abstract: The present invention relates to a secondary battery which is capable of improving safety. As an example, a secondary battery which comprises an electrode assembly; a case which accommodates the electrode assembly; a cap assembly which is coupled to an upper portion of the case, and a gasket which is interposed between the cap assembly and the case, wherein the cap assembly comprises a cap-up, a safety vent which is installed at a lower portion of the cap-up, a cap-down which is installed at a lower portion of the safety vent, an insulator which is interposed between the safety vent and the cap-down, and a sub-plate which is located on a lower surface of the cap-down, and an insulation layer is formed on one surface of the safety vent, is disclosed.
    Type: Application
    Filed: December 13, 2017
    Publication date: March 11, 2021
    Inventors: Sung Gwi KO, Dae Kyu KIM
  • Publication number: 20200365856
    Abstract: The present invention provides a cylindrical secondary battery which can have increased safety and capacity, and enhanced scratch resistance and pressure resistance on an external contact surface. To this end, a cylindrical secondary battery is disclosed, the battery comprising: a cylindrical case; an electrode assembly received in the case; and a cap assembly for sealing the case, wherein the cap assembly comprises a top plate having a notch formed on at least one surface thereof, a middle plate coupled to the top plate and including a first through-hole formed through the center thereof, and a bottom plate electrically connected with the electrode assembly and coupled to the top plate through the first through-hole of the middle plate, and includes a surface-treated region formed by surface-treating a surface of the top plate so as to have a concave-convex structure.
    Type: Application
    Filed: December 14, 2017
    Publication date: November 19, 2020
    Inventors: Dae Kyu KIM, Sung Gwi KO, Shin Jung KIM, Byoung Min CHUN
  • Publication number: 20200365839
    Abstract: Disclosed is a secondary battery comprising: an electrode assembly including a first electrode, a second electrode, and a separator interposed therebetween; a can in which the electrode assembly and an electrolyte are received; a cap assembly for sealing the can; and a washer disposed between the can and the can assembly and including at least one moisture-blocking film layer and reinforcing film layer.
    Type: Application
    Filed: December 13, 2017
    Publication date: November 19, 2020
    Inventors: Dae Kyu KIM, Shin Jung KIM
  • Publication number: 20200358047
    Abstract: Various embodiments of the present invention relate to a secondary battery. A technical problem to be solved is to provide a secondary battery in which, when a can is compressed in a lateral direction thereof, a bending direction thereof is controlled such that a cap assembly (or a circuit interrupt device (CID)) is bent in an opposite direction of an electrode assembly and an electrical short-circuit phenomenon between the cap assembly and the electrode assembly can be thus prevented. To this end, the present invention provides a secondary battery comprising: a cylindrical can; an electrode assembly received in the cylindrical can; and a cap assembly for sealing the cylindrical can, wherein the cap assembly comprises a cap-down having a notch for inducing bending, which allows the cap assembly to be bent in an opposite direction of the electrode assembly when the cylindrical can is compressed in a direction perpendicular to a longitudinal direction of the cylindrical can.
    Type: Application
    Filed: December 13, 2017
    Publication date: November 12, 2020
    Inventor: Dae Kyu KIM
  • Publication number: 20200358048
    Abstract: Various embodiments of the present invention relate to a secondary battery, wherein a technical problem to be solved is to provide a secondary battery capable of maintaining an electrical insulating state between a case (can) and a cap assembly even after a gasket is melted due to short-circuiting and heat generation. To this end, the present invention provides a secondary battery comprising: a cylindrical can; an electrode assembly received, along with an electrolyte, in the cylindrical can; a cap assembly for sealing the cylindrical can; and a gasket interposed between the cylindrical can and the cap assembly, wherein the gasket further includes an insulating member having a melting temperature higher than a melting temperature of the gasket.
    Type: Application
    Filed: July 31, 2018
    Publication date: November 12, 2020
    Inventors: Shin Jung KIM, Dae Kyu KIM
  • Publication number: 20200295319
    Abstract: The present invention relates to a secondary battery capable of improving the coupling force between a safety vent and a cap-up. For example, disclosed is a secondary battery comprising: an electrode assembly; a case for accommodating the electrode assembly; a cap assembly coupled to the upper part of the case; and a gasket interposed between the cap assembly and the case, wherein the cap assembly includes a cap-up and a safety vent, which is provided at the lower part of the cap-up and has a vent extension part extending to the upper part of the cap-up so as to encompass the edge of the cap-up, a welding region, in which the safety vent and the cap-up are welded and coupled by laser welding, is formed in the vent extension part, and the welding region is formed in a line shape.
    Type: Application
    Filed: October 5, 2018
    Publication date: September 17, 2020
    Inventors: Sung Gwi KO, Dae Kyu KIM, Jin Young MOON
  • Patent number: 10741821
    Abstract: A secondary battery includes an electrode assembly, a cap assembly, and a case. The electrode assembly includes a separator between a first electrode and a second electrode. The cap assembly is electrically connected to the first electrode. The case accommodates the electrode assembly and includes an opening to which the cap assembly is coupled. The cap assembly includes a cap and a current interruptor. The cap is outside the case and serves as a terminal of the first electrode. The current interruptor is between the cap and the first electrode. The current interruptor breaks an electric connection between the cap and the first electrode at a preset pressure or higher. The cap surrounds an edge portion of the current interruptor.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: August 11, 2020
    Assignee: SAMSUNG SDI CO., LTD.
    Inventor: Dae Kyu Kim
  • Patent number: 10665851
    Abstract: A cap assembly of a secondary battery is provided. The cap assembly includes: a cap plate; a current interrupt device (CID) under the cap plate, the CID including: a vent plate under the cap plate, the vent plate including a vent protruding downward and to be deformed when internal pressure of the secondary battery is increased; and a sub-plate under the vent plate and connected to the vent; a middle plate between the vent plate and the sub-plate and electrically connected to the vent plate through the sub-plate, the middle plate having a receiving groove to receive the sub-plate; and an insulator between the vent plate and the middle plate.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: May 26, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Dae Kyu Kim
  • Publication number: 20190363315
    Abstract: The present invention relates to a secondary battery in which an insulation sheet is inserted between a cap-up and a case, thereby increasing safety. Disclosed according to an embodiment is a secondary battery comprising: an electrode assembly; a case for receiving the electrode assembly; a cap assembly coupled to an upper part of the case; and a gasket interposed between the cap assembly and the case, wherein the cap assembly comprises: a cap-up; a safety vent installed at a lower part of the cap-up and extending to an upper part of the cap-up so as to surround a periphery of the cap-up; and an insulation sheet positioned at an upper part of the safety vent extending to the upper part of the cap-up.
    Type: Application
    Filed: September 20, 2016
    Publication date: November 28, 2019
    Inventor: Dae Kyu KIM
  • Patent number: 10096808
    Abstract: A secondary battery is disclosed. In one aspect, the battery includes an electrode assembly, a can accommodating the electrode assembly therein and a cap assembly sealing the can. The cap assembly includes a sub-plate electrically connected to the electrode assembly and a vent having a protruding portion electrically connected to the sub-plate. The vent includes i) a first fracture portion and ii) a second fracture portion formed between the first fracture portion and the protruding portion.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: October 9, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Dae-Kyu Kim
  • Patent number: 10069124
    Abstract: A rechargeable battery includes an electrode assembly including a positive electrode and a negative electrode, a case for accommodating the electrode assembly, a cap plate combined to the case, a vent plate disposed under the cap plate and formed with a notch, a middle plate disposed under the vent plate, and a heat-resistant insulating layer disposed between the vent plate and the middle plate.
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: September 4, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Dae-Kyu Kim, Takao Abe
  • Patent number: 10069117
    Abstract: In one aspect, a secondary battery capable of preventing a damage of an electrode assembly by preventing the electrode assembly from contacting an inside protrusion portion of a case when subjected to a shock or vibration is provided.
    Type: Grant
    Filed: July 30, 2012
    Date of Patent: September 4, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Dae-Kyu Kim
  • Patent number: 10029612
    Abstract: The present disclosure provides a lamp for a vehicle and a method of controlling the same. The vehicle lamp intuitively informs a traveling direction of the vehicle and minimizes deterioration of visibility when a failure occurs and a method of controlling the same. A lamp for a vehicle includes a light source unit having a plurality of light source groups and an operation state detection unit configured to detect an operation state of at least one light source included in each of the plurality of light source groups. A lighting mode determination unit is configured to determine a lighting mode of the light source unit based on the detected operation state. A control unit is configured to operate the light source unit in any one of a first lighting mode and a second lighting mode based on the determined lighting mode.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: July 24, 2018
    Assignee: SL Corporation
    Inventors: Eun Sang Yu, Ji Young Yang, Dae Kyu Kim, Ki Yang Park
  • Patent number: 9755203
    Abstract: A rechargeable battery including an electrode assembly; a case accommodating the electrode assembly; and a cap assembly coupled with an opening of the case with a gasket between the cap assembly and the case, wherein the cap assembly includes a vent plate that is electrically connected to a cap plate; a middle plate that is separated from the vent plate, that includes a through-hole that is penetrated by a vent protruding from the vent plate, and that is electrically connected to the second electrode; an insulator interposed between the vent plate and the middle plate; and a sub-plate electrically connecting the vent with the middle plate, wherein at least one of the vent plate or the middle plate includes a protrusion and a groove facing the insulator, the protrusion being coupled with a complementary groove in the insulator and the groove being coupled with a complementary protrusion in the insulator.
    Type: Grant
    Filed: April 7, 2015
    Date of Patent: September 5, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Dae-Kyu Kim, Takao Abe
  • Publication number: 20170194620
    Abstract: A secondary battery includes an electrode assembly, a cap assembly, and a case. The electrode assembly includes a separator between a first electrode and a second electrode. The cap assembly is electrically connected to the first electrode. The case accommodates the electrode assembly and includes an opening to which the cap assembly is coupled. The cap assembly includes a cap and a current interruptor. The cap is outside the case and serves as a terminal of the first electrode. The current interruptor is between the cap and the first electrode. The current interruptor breaks an electric connection between the cap and the first electrode at a preset pressure or higher. The cap surrounds an edge portion of the current interruptor.
    Type: Application
    Filed: December 28, 2016
    Publication date: July 6, 2017
    Inventor: Dae Kyu KIM
  • Publication number: 20170194619
    Abstract: A cap assembly of a secondary battery is provided. The cap assembly includes: a cap plate; a current interrupt device (CID) under the cap plate, the CID including: a vent plate under the cap plate, the vent plate including a vent protruding downward and to be deformed when internal pressure of the secondary battery is increased; and a sub-plate under the vent plate and connected to the vent; a middle plate between the vent plate and the sub-plate and electrically connected to the vent plate through the sub-plate, the middle plate having a receiving groove to receive the sub-plate; and an insulator between the vent plate and the middle plate.
    Type: Application
    Filed: December 22, 2016
    Publication date: July 6, 2017
    Inventor: Dae Kyu Kim
  • Patent number: 9660228
    Abstract: A secondary battery includes an electrode assembly, a case and a safety member. The electrode assembly has a first electrode plate, a second electrode plate and a separator interposed between the first and second electrode plates. The case accommodates the electrode assembly, and has an opened top. The safety member is inserted into an upper inside portion of the case, and seals the case. In the secondary battery, the safety member comprises an outer member contacting an inner surface of the case and having a center passing therethrough, an inner member spaced apart from the outer member at a predetermined interval and positioned at the center of the outer member, and a connection member connecting the outer and inner members. Accordingly, it is possible to increase the capacity of the battery.
    Type: Grant
    Filed: August 22, 2012
    Date of Patent: May 23, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Dae-Kyu Kim