Patents by Inventor Eun CHEON

Eun CHEON 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: 20140016239
    Abstract: The present invention relates to a threshold voltage and delay time setting circuit, and a battery management system including the same. The setting circuit is connected to a set resistor and a set capacitor through a pin. The setting circuit includes a threshold voltage setter for setting a threshold voltage according to resistance of the set resistor, and a delay setter for determining a count frequency according to capacitance of the set capacitor and setting a delay time according to the determined count frequency.
    Type: Application
    Filed: July 15, 2013
    Publication date: January 16, 2014
    Inventors: Jin-Tae KIM, Eun CHEON
  • Publication number: 20140012026
    Abstract: Provided is a process for isolating a catalyst from a solution having a copolymer and a catalyst dissolved therein, after performing copolymerization with the catalyst. More specifically the invention provides selection and application of an adsorbent to be used for the isolation.
    Type: Application
    Filed: March 29, 2012
    Publication date: January 9, 2014
    Applicants: SK GLOBAL CHEMICAL CO., LTD., SK INNOVATION CO., LTD.
    Inventors: Jae Suk Choi, Young Eun Cheon, Tae Jin Kim, Woo Sung Jung, Seung Hoon Oh, Jang Jae Lee, Dong Wook Kim
  • Publication number: 20130293109
    Abstract: The present invention relates to an LED driver IC, a driving method of the LED driver IC, and an LED light emission device using the LED driver IC. The LED light emission device includes an LED string, a power switch supplying power to the LED string, a dimming switch controlling light emission duty of the LED string, and an LED driver IC controlling switching operation of the power switch and the dimming switch. The LED driver IC senses a difference between a control electrode voltage of the dimming switch and a sense voltage generated according to a current flowing to the dimming switch, and triggers the OCP operation according to a result of comparison between the sensed voltage and a predetermined OCP reference voltage.
    Type: Application
    Filed: March 27, 2013
    Publication date: November 7, 2013
    Inventors: Eun CHEON, Byunghak AHN, Jinhwa CHUNG, Young-Bae PARK
  • Publication number: 20130224090
    Abstract: Disclosed is a catalyst which can convert ammonia contained in exhaust gas from an engine of a vehicle equipped with a Urea-SCR (Urea-Selective Catalytic Reduction) system, to nitrogen, and a method for preparating the same. The catalyst can convert ammonia which is failed to participate in a conversion reaction of NOx to N2 and slipped out of the SCR catalyst, to nitrogen via a SCO (Selective Catalytic Oxidation) reaction, before the ammonia is released to the air.
    Type: Application
    Filed: November 19, 2010
    Publication date: August 29, 2013
    Applicant: SK INNOVATION CO., LTD.
    Inventors: Seong Ho Lee, Woo Jin Lee, Young Eun Cheon, Seung Hoon Oh, Sung Hwan Kim, Hong Seok Jung, Yong Woo Kim, Gi Ho Goh
  • Patent number: 8460810
    Abstract: A rechargeable battery includes an electrode assembly comprising a positive electrode, a negative electrode, and a separator between the positive electrode and the negative electrode wound together and a case housing the electrode assembly, wherein the electrode assembly has an inner surface and an outer surface having a concave portion.
    Type: Grant
    Filed: December 21, 2009
    Date of Patent: June 11, 2013
    Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventors: Dong-Hyun Lee, Sang-Eun Cheon, Tatsuya Hashimoto, Seok-Yoon Yoo, Chi-Young Lee
  • Patent number: 8338021
    Abstract: A battery module including a plurality of rechargeable batteries including a case and terminals protruding outside of the case; a first connecting member electrically connecting first terminals of neighboring rechargeable batteries and including a fuse unit configured to disconnect the first terminals of the neighboring rechargeable batteries when an overcurrent is generated; a plurality of second connecting members electrically connecting second terminals of the neighboring rechargeable batteries to terminals of connected rechargeable batteries; and a shorting member configured to generate a short circuit by connecting neighboring second connecting members to each other.
    Type: Grant
    Filed: June 10, 2010
    Date of Patent: December 25, 2012
    Assignee: SB LiMotive Co., Ltd.
    Inventors: Sang-Eun Cheon, Tatsuya Hashimoto
  • Patent number: 8323813
    Abstract: According to an embodiment of the present invention, a rechargeable battery includes a case, a first electrode coupled to the case, a second electrode coupled to the case and the second electrode having a portion extending outside of the case, a short bar electrically coupled to the portion of the second electrode, and an extensible member extending from the case and at least a portion of the short bar being on the extensible member with a gap therebetween. The extensible member is configured to couple the short bar electrically to the first electrode in response to an overcharging condition of the rechargeable battery, thereby short-circuiting the first and second electrodes via the short bar.
    Type: Grant
    Filed: February 5, 2010
    Date of Patent: December 4, 2012
    Assignee: SB LiMotive Co., Ltd.
    Inventors: Sang-Won Byun, Tatsuya Hashimoto, Sang-Eun Cheon, Yong-Sam Kim, Hyo-Seob Kim, Sung-Bae Kim, Soo-Seok Choi
  • Patent number: 8230007
    Abstract: The present invention is related to a technology for grasping the number of a plurality of terminals of a client using a Cookie in a private network in which plural terminals are shared by redirecting a session which is to be connected to a Web by analyzing a TCP/IP packet, detecting the accurate number of a plurality of terminals of a client using an Internet, and making the accurate number as a DB, and selectively permitting or blocking a connection to Internet according to TCP/IP by using the Cookie pool information of a DB type and JOB when the users configuring and using a private network connect to the Internet at the same time.
    Type: Grant
    Filed: October 8, 2008
    Date of Patent: July 24, 2012
    Assignee: Plustech Inc.
    Inventors: Yun-Seok Lee, Jeong-Ah Kim, Kyu-Min Choi, Se-Eun Cheon, Kyoung-Pil Kong
  • Publication number: 20120176038
    Abstract: The present invention relates to an LED emitting device. An LED emitting device includes an LED channel having a plurality of LEDs coupled in series and a ground adjacent to the LED channel. A converter of the LED emitting device generates a voltage for activation of the LED channel by converting an input voltage. The LED emitting device includes a protection circuit determining whether the LED channel is grounded by sensing a current flowing to the ground.
    Type: Application
    Filed: January 3, 2012
    Publication date: July 12, 2012
    Inventors: Eun CHEON, Byunghak AHN
  • Patent number: 8178235
    Abstract: A rechargeable battery includes an electrode assembly having a positive electrode, a negative electrode and a separator interposed between the positive electrode and the negative electrode, a case for receiving the electrode assembly, the case having an open end, and a cap plate having an inclined outer edge surface, an outer end of the included outer edge surface being attached to a surface of the open end of the case.
    Type: Grant
    Filed: April 25, 2006
    Date of Patent: May 15, 2012
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sang-Eun Cheon, Jae-Kyung Kim, Hye-Won Yoon, Seok-Yoon Yoo
  • Patent number: 8173288
    Abstract: A secondary battery includes an electrode assembly including a positive electrode, a negative electrode, and a separator interposed between the positive and negative electrodes, a case for housing the electrode assembly, a cap assembly to be attached to the case for sealing the case and to have a terminal exposed outside the case, and a lead element which electrically connects the electrode assembly to the terminal. The electrode assembly includes an uncoated region where an active material is not present and the lead element has a configuration corresponding to that of the uncoated region and is closely affixed to the uncoated region.
    Type: Grant
    Filed: August 29, 2005
    Date of Patent: May 8, 2012
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sang-Eun Cheon, Jae-Kyung Kim, Seok-Yoon Yoo, Hye-Won Yoon
  • Patent number: 7985499
    Abstract: A battery including an electrode assembly including first and second electrodes, a lead element electrically connected to the first electrode, and an external terminal electrically connected to the lead element, wherein the lead element includes a fixing member configured to hold the lead element against the first electrode.
    Type: Grant
    Filed: July 5, 2006
    Date of Patent: July 26, 2011
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sang-Eun Cheon, Hye-Won Yoon, Jae-Kyung Kim, Seok-Yoon Yoo
  • Publication number: 20110151318
    Abstract: A secondary battery including an electrode assembly, the electrode assembly including electrode plates and a separator interposed between the electrode plates, at least one of the electrode plates including a coated part, the coated part including a metallic plate having an active material coated thereon, and an uncoated part, the uncoated part including a metallic plate without active material coated thereon, the uncoated part including a folding line in the uncoated part, and a folding part with an end portion folded with respect to the folding line; and a current collector electrically contacting the folding part.
    Type: Application
    Filed: June 25, 2010
    Publication date: June 23, 2011
    Inventors: Chi-Young Lee, Sang-Eun Cheon, Seok-Yoon Yoo, Yoon-Tai Kwak, Dong-Wook Kim, Jong-Seok Moon, Sang-Dae Hwang, Tatsuya Hashimoto
  • Patent number: 7955736
    Abstract: A secondary battery includes: a case; an electrode assembly including a positive electrode, a negative electrode, and a separator interposed therebetween, the electrode assembly being arranged within the case; a cap assembly affixed to the case and adapted to seal the case, the cap assembly being electrically connected to the electrode assembly; and a pair of current collecting plates adapted to be respectively electrically connected to the positive and negative electrodes. Each electrode includes an un-coated region absent an active material, the un-coated region of each electrode contacting its respective current collecting plate. Each un-coated region includes a plurality of independent regions separated from one other, the plurality of independent regions being bent and affixed to their respective current collecting plate.
    Type: Grant
    Filed: June 20, 2005
    Date of Patent: June 7, 2011
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sang-Eun Cheon, Hwa-Young Won
  • Publication number: 20110104537
    Abstract: A secondary battery includes an electrode assembly including a positive electrode, a negative electrode, and separators which are wound together, current collecting plates attached to the electrode assembly, a case configured to accommodate the electrode assembly and the current collecting plates, and a cap configured to cover an opening of the case and electrically connect to the current collecting plates. Each of the current collecting plates includes a current collecting part and a welding part. The current collecting parts electrically connect to the electrode assembly. The welding part is welded to the electrode assembly and the current collecting part.
    Type: Application
    Filed: August 23, 2010
    Publication date: May 5, 2011
    Inventors: Chi-Young Lee, Yong-Sam Kim, Seok-Yoon Yoo, Dong-Wook Kim, Jong-Seok Moon, Sang-Eun Cheon
  • Patent number: 7935436
    Abstract: A rechargeable battery including an electrode assembly containing a positive electrode, a negative electrode and a separator interposed therebetween, a case having a space for housing the electrode assembly therein, lead elements connected to the electrode assembly and disposed at a sealing region of the case, and a sealant arranged between and adjacent to the case and the lead element the sealant including an area having relatively less resistance to fracture.
    Type: Grant
    Filed: February 7, 2008
    Date of Patent: May 3, 2011
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sang-Eun Cheon, Jae-Kyung Kim, Hye-Won Yoon, Seok-Yoon Yoo
  • Publication number: 20110039147
    Abstract: A battery module including a plurality of rechargeable batteries including a case and terminals protruding outside of the case; a first connecting member electrically connecting first terminals of neighboring rechargeable batteries and including a fuse unit configured to disconnect the first terminals of the neighboring rechargeable batteries when an overcurrent is generated; a plurality of second connecting members electrically connecting second terminals of the neighboring rechargeable batteries to terminals of connected rechargeable batteries; and a shorting member configured to generate a short circuit by connecting neighboring second connecting members to each other.
    Type: Application
    Filed: June 10, 2010
    Publication date: February 17, 2011
    Inventors: Sang-Eun Cheon, Tatsuya Hashimoto
  • Patent number: 7842416
    Abstract: The rechargeable battery comprises an electrode assembly including a positive electrode, a negative electrode, and a separator interposed between those two electrodes. The battery further comprises a container that receives the electrode assembly inside it and a cap assembly that is coupled with the container to seal it. The cap assembly includes a cap plate that is coupled with the container, an external terminal that is disposed in the cap plate to be coupled with to the electrode assembly, and a tubular body that surrounds the external terminal to fix the external terminal to the cap plate.
    Type: Grant
    Filed: June 29, 2005
    Date of Patent: November 30, 2010
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jae-Kyung Kim, Sang-Eun Cheon, Seok-Yoon Yoo, Hye-Won Yoon
  • Patent number: 7838152
    Abstract: The present invention relates to a conductive agent/positive active material composite for a lithium secondary battery. The composite includes a positive active material capable of reversibly intercalating/deintercalating lithium ions, and a conductive agent on the surface of the positive active material. The conductive agent comprises a first conductive agent having a specific surface area ranging from about 200 to about 1500 m2/g and a second conductive agent having a specific surface area of about 100 m2/g or less.
    Type: Grant
    Filed: October 25, 2005
    Date of Patent: November 23, 2010
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sang-Eun Cheon, Seok-Yoon Yoo, Hye-Won Yoon, Jae-Kyung Kim
  • Publication number: 20100291421
    Abstract: A rechargeable battery with overcharging protection. According to an embodiment of the present invention, a rechargeable battery includes a case, a first electrode coupled to the case, a second electrode coupled to the case and the second electrode having a portion extending outside of the case, a short bar electrically coupled to said portion of the second electrode, and an extensible member extending from the case and at least a portion of the short bar being on the extensible member with a gap therebetween. The extensible member is configured to couple the short bar electrically to the first electrode in response to an overcharging condition of the rechargeable battery, thereby short-circuiting the first and second electrodes via the short bar.
    Type: Application
    Filed: February 5, 2010
    Publication date: November 18, 2010
    Inventors: Sang-Won Byun, Tatsuya Hashimoto, Sang-Eun Cheon, Yong-Sam Kim, Hyo-Seob Kim, Sung-Bae Kim, Soo-Seok Choi