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: 20160028058
    Abstract: A rechargeable battery includes an electrode assembly including a positive electrode and a negative electrode, a case receiving the electrode assembly, a cap plate coupled to the case, a vent plate under the cap plate, the vent plate including a notch, a middle plate under the vent plate, and a laminating insulating layer between the vent plate and the middle plate, the laminating insulating layer being laminated to the vent plate or the middle plate.
    Type: Application
    Filed: June 10, 2015
    Publication date: January 28, 2016
    Inventors: Dae-Kyu KIM, Takao ABE
  • Patent number: 9214698
    Abstract: A secondary battery including a fixing part on the inside of the can is disclosed. In one embodiment, the battery includes an electrode assembly having a diameter of L2, a can housing the electrode assembly and at least one fixing portion extending from an inner wall of the can toward an outer surface of the electrode assembly. In one embodiment, L1 is defined as the shortest distance between two portions of the inner wall of the can which are substantially directly opposing with respect to each other. The electrode assembly is separated from the fixing part by a gap such that the electrode assembly is prevented from contacting the can.
    Type: Grant
    Filed: July 28, 2010
    Date of Patent: December 15, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Dae-Kyu Kim
  • Patent number: 9209219
    Abstract: A thin film transistor array substrate for a digital photo-detector is provided. The photo-detector includes a plurality of gate lines to supply a scan signal; a plurality of data lines to output data, the data lines arranged in a direction crossing the gate lines, wherein cell regions are defined by the gate lines and the data lines; a photodiode in each of the cell regions to perform photoelectric conversion; a thin film transistor at each intersection between the gate lines and the data lines to output a photoelectric conversion signal from the photodiode to the data lines in response to a scan signal supplied by the gate lines; and a light-shielding layer over each channel region of the respective thin film transistors. Each light-shielding layer is electrically connected to the respective gate line.
    Type: Grant
    Filed: November 21, 2013
    Date of Patent: December 8, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Dae-Kyu Kim, Sung-Bong Ha
  • Publication number: 20150287965
    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: Application
    Filed: April 7, 2015
    Publication date: October 8, 2015
    Inventors: Dae-Kyu KIM, Takao ABE
  • Patent number: 9142813
    Abstract: A secondary battery includes an electrode assembly having a first electrode plate, a second electrode plate and a separator interposed between the first and second electrode plates; a lower case accommodating the electrode assembly therein; and a cap assembly sealing the lower case. In the secondary battery, the lower case has the electrode assembly and a vent portion, and includes a surface facing the cap assembly. The vent portion includes an intersecting portion formed inside the surface, first and second curved portions curved to extend from the intersecting portion, and an extending portion extended in a straight line from the intersecting portion. The thickness of the intersecting portion includes the minimum thickness of the surface.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: September 22, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Dae-Kyu Kim, Takao Abe
  • Patent number: 9105890
    Abstract: A secondary battery having an upper battery assembly including an upper can housing a cap unit having an electrode terminal adapted to electrically connect to an external device and a gasket inserted between the cap unit and one end portion of the upper can for sealing and insulating the cap unit and the upper can. The secondary battery also has a lower battery assembly including a lower can housing an electrode assembly, the electrode assembly having a first electrode, a second electrode, and a separator interposed between the first electrode for preventing a short circuit between the two electrodes. A first electrode tap connects the first electrode to the cap unit and a second electrode tap connects the second electrode to the lower can.
    Type: Grant
    Filed: April 17, 2012
    Date of Patent: August 11, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Dae Kyu Kim, Yong Hyun Cho
  • Patent number: 9029009
    Abstract: A rechargeable battery including: an electrode assembly; a center pin arranged at a center of the electrode assembly; a case containing the electrode assembly; and a cap assembly coupled to an opening of the case and electrically connected to the electrode assembly, and the center pin includes a first pipe arranged at the center of the electrode assembly, and a second pipe arranged in the first pipe with a buffering space between the first pipe and the second pipe, the second pipe having a strength that is different from a strength of the first pipe.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: May 12, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Shin-Jung Kim, Dae-Kyu Kim
  • Patent number: 9023509
    Abstract: A secondary battery includes an electrode assembly comprising a first electrode plate, a second electrode plate and a separator interposed therebetween, and an electrolyte. A case accommodates the electrode assembly and an electrolyte. A finishing material is attached to an outer surface of the electrode assembly. In the secondary battery, the finishing material has an adhesive property on at least one surface.
    Type: Grant
    Filed: February 18, 2011
    Date of Patent: May 5, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Ja-Kyung Cho, Dae-Kyu Kim, Hyo-Jung Song
  • Patent number: 9017860
    Abstract: A cylinder type secondary battery includes a can having an opening, an electrode assembly in the can, a cap assembly covering the opening of the can, an upper insulating plate between the electrode assembly and the cap assembly; a support plate on the upper insulating plate; the support plate having a peripheral edge, wherein an area of the support plate is smaller than an area of the upper insulating plate, and a first electrode tab extending from the electrode assembly, the first electrode tab having a first section contacting the support plate, a second section contacting the cap assembly, and a bent section between the first section and the second section, wherein a portion of the bent section protrudes from the peripheral edge of the support plate.
    Type: Grant
    Filed: November 13, 2009
    Date of Patent: April 28, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Dae-Kyu Kim
  • Patent number: 8999559
    Abstract: A secondary battery is disclosed. The secondary battery includes an adhesive configured to attach to the electrode plates so as to strengthen the battery against separation, to reduce production of dust, and to protect the battery from dust.
    Type: Grant
    Filed: December 14, 2010
    Date of Patent: April 7, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Ja-Kyung Cho, Dae-Kyu Kim, Chang-Bum Ahn
  • Patent number: 8986876
    Abstract: Provided are a cap assembly for a secondary battery. The cap assembly includes a cap-up, a PTC thermistor disposed under the cap-up, a vent disposed under the PTC thermistor, and an insulating plate disposed between the vent and the cap-up and preventing contact between the vent and the PTC thermistor. Here, the vent includes a curling part bent to cover an external surface of the insulating plate. Further, the secondary battery includes an electrode assembly, a can accommodating the electrode assembly and having an opening, and the cap assembly which seals the can.
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: March 24, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Dae-Kyu Kim
  • Patent number: 8871386
    Abstract: A secondary battery comprising an electrode assembly including: a first electrode plate connected to a first electrode tab, a second electrode plate connected to a second electrode tab, and a separator disposed therebetween; a can having an opening, to house the electrode assembly; and a cap assembly to seal the opening. The first electrode tab has a reinforcement portion. The first electrode tab has a welding portion connected to the cap assembly and a bent portion formed in the reinforcement portion, which is thicker than the welding portion.
    Type: Grant
    Filed: October 29, 2008
    Date of Patent: October 28, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Dae-Kyu Kim
  • Patent number: 8816526
    Abstract: An automotive lamp device is provided. The automotive lamp device includes a lamp housing into which a first lamp or a second lamp is inserted and which includes a plurality of lines, and a lamp driver module which is connected to a first line among the plurality of lines, supplies a first level of voltage and/or current to the first lamp if the first lamp is inserted into the lamp housing, and supplies a second level of voltage and/or current to the second lamp if the second lamp is inserted into the lamp housing.
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: August 26, 2014
    Assignee: SL Corporation
    Inventors: Hae-Seok Song, Dae-Kyu Kim, Eun-Sang Yu
  • Publication number: 20140199567
    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: Application
    Filed: March 15, 2013
    Publication date: July 17, 2014
    Applicant: Samsung SDI Co., Ltd.
    Inventor: Dae-Kyu Kim
  • Publication number: 20140193679
    Abstract: A secondary battery includes an electrode assembly having a first electrode plate, a second electrode plate and a separator interposed between the first and second electrode plates; a lower case accommodating the electrode assembly therein; and a cap assembly sealing the lower case. In the secondary battery, the lower case has the electrode assembly and a vent portion, and includes a surface facing the cap assembly. The vent portion includes an intersecting portion formed inside the surface, first and second curved portions curved to extend from the intersecting portion, and an extending portion extended in a straight line from the intersecting portion. The thickness of the intersecting portion includes the minimum thickness of the surface.
    Type: Application
    Filed: March 15, 2013
    Publication date: July 10, 2014
    Applicant: Samsung SDI Co., Ltd
    Inventors: Dae-Kyu Kim, Takao Abe
  • Patent number: 8767162
    Abstract: The present invention relates to a liquid crystal display panel, which can prevent a Mura from forming at the time of physical impact or vibration for improving a display quality. The liquid crystal display panel can include an upper substrate having a plurality of column lines formed thereon, a lower substrate having a plurality of row lines formed thereon perpendicular to the plurality of column lines, a pixel region formed at each crossed region of the plurality of column lines and the plurality of row lines, and column spacers each formed between the upper substrate and the lower substrate for maintaining a cell gap between the upper substrate and the lower substrate, wherein the column spacers formed at a first region of a display region adjacent to a liquid crystal injection have dot shapes.
    Type: Grant
    Filed: December 27, 2011
    Date of Patent: July 1, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Hyo-Sik Song, Dae-Kyu Kim
  • Publication number: 20140145198
    Abstract: A thin film transistor array substrate for a digital photo-detector is provided. The thin film transistor array substrate includes a plurality of gate lines to supply a scan signal; a plurality of data lines to output data, the data lines arranged in a direction crossing the gate lines, wherein cell regions are defined by the gate lines and the data lines; a photodiode in each of the cell regions to perform photoelectric conversion; and a thin film transistor at each intersection between the gate lines and the data lines to turn on according to the scan signal of the gate lines and output the photoelectric conversion signal from the photodiode to the data lines. A contact area between a source electrode of the thin film transistor and a first electrode of the photodiode is at a portion outside an area covered by a photodiode region.
    Type: Application
    Filed: November 26, 2013
    Publication date: May 29, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Dae-Kyu KIM, Sung-Il PARK, Sung-Bong HA
  • Publication number: 20140145252
    Abstract: A thin film transistor array substrate for a digital photo-detector is provided. The photo-detector includes a plurality of gate lines to supply a scan signal; a plurality of data lines to output data, the data lines arranged in a direction crossing the gate lines, wherein cell regions are defined by the gate lines and the data lines; a photodiode in each of the cell regions to perform photoelectric conversion; a thin film transistor at each intersection between the gate lines and the data lines to output a photoelectric conversion signal from the photodiode to the data lines in response to a scan signal supplied by the gate lines; and a light-shielding layer over each channel region of the respective thin film transistors. Each light-shielding layer is electrically connected to the respective gate line.
    Type: Application
    Filed: November 21, 2013
    Publication date: May 29, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Dae-Kyu Kim, Sung-Bong Ha
  • Publication number: 20140045041
    Abstract: A rechargeable battery including: an electrode assembly; a center pin arranged at a center of the electrode assembly; a case containing the electrode assembly; and a cap assembly coupled to an opening of the case and electrically connected to the electrode assembly, and the center pin includes a first pipe arranged at the center of the electrode assembly, and a second pipe arranged in the first pipe with a buffering space between the first pipe and the second pipe, the second pipe having a strength that is different from a strength of the first pipe.
    Type: Application
    Filed: March 12, 2013
    Publication date: February 13, 2014
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Shin-Jung Kim, Dae-Kyu Kim
  • Publication number: 20140045052
    Abstract: A battery includes an electrode assembly including a positive electrode, a negative electrode, and a separator between the positive electrode and the negative electrode, an elastic member at an interior of the electrode assembly and being configured to exert an elastic force on the electrode assembly, a polymer member between the elastic member and the electrode assembly, and a case for housing the electrode assembly, the elastic member, and the polymer member.
    Type: Application
    Filed: May 17, 2013
    Publication date: February 13, 2014
    Applicant: Samsung SDI Co., Ltd.
    Inventor: Dae-Kyu Kim