Patents by Inventor Kyungwon An

Kyungwon An 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: 20120146926
    Abstract: An input device and an image display apparatus may be provided. The image display apparatus may include a display, and an input device adjacent to the display. The input device may include a first light source unit that includes a first light emitting device (LED) to emit a first light of a first color, a second light source unit that includes a second light emitting device (LED) to emit a second light of a second color, a light guide having a plurality of light guide layers, a touch sensor to detect a touch input, and a light source controller to control an intensity of the output light from the light guide based on the detected touch input.
    Type: Application
    Filed: November 30, 2011
    Publication date: June 14, 2012
    Inventors: Sungyul An, Kyungwon Lee
  • Patent number: 8154838
    Abstract: A Positive Temperature Coefficient (PTC) device, a Protective Circuit Module (PCM) including the PTC device, and a secondary battery including the Protective Circuit Module (PCM) are provided. A support portion is formed at one end of a conductive plate of the PTC device, a conductive layer disposed on the upper portion of the PTC main body is fixed to the Protective Circuit Module (PCM), and the support portion is fixed by a coated adhesive that is melted at a high temperature and then hardens when the high temperature is removed, thereby preventing the PTC device from swaying or twisting.
    Type: Grant
    Filed: June 25, 2008
    Date of Patent: April 10, 2012
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Youngcheol Jang, Kyungwon Seo, Jeongdeok Byun
  • Patent number: 8137836
    Abstract: The present invention relates to a lithium rechargeable battery having outer covers, each having a rib formed on the inner surface thereof, coupled to both sides of a core pack, which makes it possible to prevent resin from flowing into the outer covers when resin molding parting is performed on an upper part of the core pack and thus to reduce defects occurring in the outer covers due to the flow of resin. A lithium rechargeable battery according to an embodiment of the invention includes a core pack having a bare cell and a protective circuit module which is arranged on the top side of the bare cell so as to be electrically connected to the bare cell through lead plates; outer covers covering two short lateral sides of the core pack on which the lead plates are provided; and a resin molding part formed at an upper part of the core pack, the upper part of the core pack includes a portion of each of the outer covers and the protective circuit module.
    Type: Grant
    Filed: October 18, 2007
    Date of Patent: March 20, 2012
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Nohyun Kwag, Kyungwon Seo, Sangjoo Lee
  • Publication number: 20120045437
    Abstract: Monoclonal antibodies against LRP6 and that block the Wnt signaling pathway are disclosed. Methods of production and use thereof are also disclosed.
    Type: Application
    Filed: February 18, 2011
    Publication date: February 23, 2012
    Inventors: Jian-Xing Ma, Kyungwon Lee, Ying Chen
  • Publication number: 20110187709
    Abstract: A mobile terminal to display information includes a memory unit to store menu information and application information corresponding to a menu; a display unit that includes a touch panel and displays a first item contained in the menu information or the application information corresponding to the menu; and a control unit that rotates a touched display area of the first item and displays a second item contained in the menu information or the application information corresponding to the menu. The menu may include a main menu, one or more sub-menus, and one or more items, which may be executable applications. The first item may be an entry in a contact list, a status item representing recent call or message activity, or a multimedia item.
    Type: Application
    Filed: January 13, 2011
    Publication date: August 4, 2011
    Applicant: Pantech Co., Ltd.
    Inventors: Jeong Eun LEE, Jin Sook LEE, Hwa Jeong LEE, Ho Yeon CHAE, Hyoungsik AHN, Kyungwon SO, Jinhyoung KIM, Jae Won KIM, Eunsook Park, Inchul BAEK, Sung Min KIM
  • Patent number: 7968225
    Abstract: In the secondary battery, a lead plate is provided so as not to overlap the position of the sealing unit of the electrolyte injection hole to enhance the fixation of the lead plate to the upper surface of the cap plate of a cap assembly. The position of a connection terminal of a protective circuit unit corresponds to the position of the lead plate and together with the connection terminal shape the connection terminal is prevented from being exposed to the outside during hot-melt molding.
    Type: Grant
    Filed: September 23, 2010
    Date of Patent: June 28, 2011
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jeongdeok Byun, Kyungwon Seo, Nohyun Kwakg, Sangkwon Nam, Seok Koh, Bohyun Byun
  • Publication number: 20110129719
    Abstract: A battery pack includes battery cells, each including a first conductive terminal and a second conductive terminal, the battery cells being arrayed from a first side to a second side of the battery pack. A first conductive tab electrically connects the first conductive terminals of the battery cells to each other, a second conductive tab electrically connects the second conductive terminals of the battery cells to each other, a first conductive external terminal is electrically connected to a side of the first conductive tab and is configured to be electrically connected to an external device, and a second conductive external terminal is electrically connected to a side of the second conductive tab and is configured to be electrically connected to the external device. A battery pack stack includes battery packs, each including a first conductive external terminal and a second conductive external terminal, the battery packs being arrayed from a first end to a second end of the stack.
    Type: Application
    Filed: November 5, 2010
    Publication date: June 2, 2011
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Nohyun Kwag, Jinhong An, Kyungwon Seo, Wansuk Doh, Jeongdeok Byun, Jungyup Han
  • Publication number: 20110086244
    Abstract: A secondary battery that includes a lower case and a label that are securely adhered to each other. The secondary battery includes a bare cell that receives an electrode assembly and having one end to which an electrode terminal is exposed, a protective circuit module electrically connected to the electrode terminal to control charging and discharging, an upper case accommodating the protective circuit module and installed at an upper portion of the bare cell, a hollow label having its top and bottom ends opened, accommodating the bare cell and including a bent portion adhered to the upper case at the top end and bent to extend inward at the bottom end, and a lower case sealing the bottom end of the label.
    Type: Application
    Filed: September 16, 2010
    Publication date: April 14, 2011
    Applicant: Samsung SDI CO., LTD.
    Inventors: Woonseong BAEK, Heuisang YOON, Kyungwon SEO
  • Patent number: 7910243
    Abstract: A thin polymer battery pack that can withstand a strong external impact includes: a pouch type bare cell having an exposed electrode tab: a circuit electrically coupled to the electrode tab of the pouch type bare cell; a frame case covering an upper part of the pouch type bare cell where the circuit is arranged, two short side parts having a narrow width connected to the upper part of the pouch type bare cell, and a lower part of the pouch type bare cell, two long side parts of a broader width than the two short side parts connected to an exposed upper part of the pouch type bare cell, and a reinforcement label having a metal layer to attach as a single body to both long side parts and the lower part of the pouch type bare cell.
    Type: Grant
    Filed: March 6, 2008
    Date of Patent: March 22, 2011
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seok Koh, Kyungwon Seo, Jeongdeok Byun
  • Publication number: 20110066880
    Abstract: A method to compensate for a system memory error, including determining whether there is an error in the system memory using a system memory error compensation program; initializing system memory error compensation values during reboot if an error is detected in the system memory; sequentially changing the initialized system memory error compensation values to determine system memory error compensation values that reduce system memory error; and storing the determined system memory error compensation values in a basic input/output system (BIOS) memory.
    Type: Application
    Filed: November 30, 2009
    Publication date: March 17, 2011
    Inventor: Kyungwon Byun
  • Publication number: 20110052939
    Abstract: A secondary battery, including a cylindrical bare cell including a cylindrical can and a cap assembly coupled with the cylindrical can, wherein the cap assembly forms a first electrode and the cylindrical can forms a second electrode; a protective circuit module (PCM) separated from the cap assembly, connected to the cap assembly by a first connecting tab, and connected to the cylindrical can by a second connecting tab; a first external terminal provided on a top of the PCM; and a second external terminal electrically connected to the PCM and provided on a bottom surface of the cylindrical can.
    Type: Application
    Filed: May 28, 2010
    Publication date: March 3, 2011
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Bongyoung KIM, Kyungwon Seo, Sangjoo Lee
  • Publication number: 20110043170
    Abstract: A secondary battery that provides a usage voltage lower than a charged voltage. The secondary battery includes a chargeable/dischargeable battery cell, an external terminal electrically connected to the cell unit to charge and discharge the cell unit, and a protective circuit module including a current providing circuit. The protective circuit module electrically connects the cell unit to the external terminal. The current providing circuit includes a charge path and a discharge path that are separated from each other, a voltage drop unit dropping an output voltage of the cell unit to a usage voltage on the discharge path, and a reverse current preventing unit preventing reverse currents from flowing into the charge path and the discharge path.
    Type: Application
    Filed: August 19, 2010
    Publication date: February 24, 2011
    Applicant: SAMSUNG SDI Co., Ltd.
    Inventors: Bongyoung Kim, Kyungwon Seo, Yeongmi Kim, Sangjoo Lee
  • Patent number: 7879477
    Abstract: A polymer battery pack includes a polymer battery, an outer case having a first outer panel and a second outer panel, the outer case enclosing the polymer battery, an electrode tap in electrical communication with the polymer battery and positioned outside the outer case, and a protecting circuit board in electrical communication with the electrode tap and positioned outside the outer case, for enhanced operation and durability.
    Type: Grant
    Filed: December 27, 2006
    Date of Patent: February 1, 2011
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kyungwon Seo, Seok Koh, Jeongdeok Byun
  • Patent number: 7875381
    Abstract: A rechargeable battery, which features a simplified assembly process by reducing the number of components includes a bare cell, a body portion which is attached to one side surface of the bare cell and a protective circuit board portion which has two electrical terminals respectively electrically connected to two electrode terminals of the bare cell and formed into one single body by molding. A method of fabrication of the rechargeable battery includes forming a protective circuit board portion into one single body through resin molding, attaching the protective circuit board portion to a bare cell, and respectively electrically connecting two electrical terminals of the protective circuit board portion to two electrodes of the bare cell.
    Type: Grant
    Filed: December 27, 2006
    Date of Patent: January 25, 2011
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Kyungwon Seo
  • Publication number: 20110014502
    Abstract: In the secondary battery, a lead plate is provided so as not to overlap the position of the sealing unit of the electrolyte injection hole to enhance the fixation of the lead plate to the upper surface of the cap plate of a cap assembly. The position of a connection terminal of a protective circuit unit corresponds to the position of the lead plate and together with the connection terminal shape the connection terminal is prevented from being exposed to the outside during hot-melt molding.
    Type: Application
    Filed: September 23, 2010
    Publication date: January 20, 2011
    Inventors: Jeongdeok Byun, Kyungwon Seo, Nohyun Kwakg, Sangkwon Nam, Seok Koh, Bohyun Byun
  • Publication number: 20110008667
    Abstract: A battery pack including a plurality of unit cells, the battery pack including: a plurality of unit cells, a case accommodating the plurality of unit cells, and a first insulation structure covering a first external surface of the case. A plurality of first guide pins project from the first external surface of the case. A plurality of first coupling holes into which the first guide pins are respectively inserted is formed in the first insulation structure.
    Type: Application
    Filed: June 21, 2010
    Publication date: January 13, 2011
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Nohyun KWAG, Kyungwon SEO, Jeongdeok BYUN, Wanseok DOH, Jinhong AN, Jungyup HAN
  • Publication number: 20100291413
    Abstract: A secondary battery includes a bare cell including a can, an electrode assembly, and a cap assembly, wherein the cap assembly includes a protection circuit assembly.
    Type: Application
    Filed: May 6, 2010
    Publication date: November 18, 2010
    Inventors: Kyungwon Seo, Youngcheol Jang
  • Patent number: 7811686
    Abstract: A rechargeable battery. The rechargeable battery is constructed with a bare cell, a protective circuit board electrically connected to the bare cell, a lead plate located between the bare cell and the protective circuit board, and a combining case covering an upper end of the bare cell, the protective circuit board and the lead plate. The lead plate is constructed with a first plate electrically connected to the protective circuit board, a second plate electrically connected to the bare cell, and an inside bending part connected between the first plate and the second plate. The first plate of the lead plate is bent around the inside bending part at 180 degrees such that the bare cell is coupled with the protective circuit board in parallel. Therefore, a distance between the bare cell and the protective circuit is reduced, and the capacity per volume of the rechargeable battery is increased.
    Type: Grant
    Filed: January 9, 2008
    Date of Patent: October 12, 2010
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kyungwon Seo, Jeongdeok Byun, Yonggeol Kwon, Seok Koh
  • Publication number: 20100251540
    Abstract: A rechargeable battery, which features a simplified assembly process by reducing the number of components includes a bare cell, a body portion which is attached to one side surface of the bare cell and a protective circuit board portion which has two electrical terminals respectively electrically connected to two electrode terminals of the bare cell and formed into one single body by molding. A method of fabrication of the rechargeable battery includes forming a protective circuit board portion into one single body through resin molding, attaching the protective circuit board portion to a bare cell, and respectively electrically connecting two electrical terminals of the protective circuit board portion to two electrodes of the bare cell.
    Type: Application
    Filed: June 18, 2010
    Publication date: October 7, 2010
    Applicant: SAMSUNG SDI CO., LTD.
    Inventor: Kyungwon SEO
  • Patent number: 7807291
    Abstract: In the secondary battery, a lead plate is provided so as not to overlap the position of the sealing unit of the electrolyte injection hole to enhance the fixation of the lead plate to the upper surface of the cap plate of a cap assembly. The position of a connection terminal of a protective circuit unit corresponds to the position of the lead plate and together with the connection terminal shape the connection terminal is prevented from being exposed to the outside during hot-melt molding.
    Type: Grant
    Filed: July 26, 2006
    Date of Patent: October 5, 2010
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jeongdeok Byun, Kyungwon Seo, Nohyun Kwakg, Sangkwon Nam, Seok Koh, Bohyun Byun