Patents by Inventor Kyoung Han

Kyoung Han 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).

  • Patent number: 8835049
    Abstract: A negative active material for a rechargeable lithium battery includes a core including an active material being capable of performing reversible electrochemical oxidation and reduction, and a coating layer on the surface of the core. The coating layer includes a reticular structure including —O-M-O— wherein M is selected Si, Ti, Zr, Al, or combinations thereof and an organic functional group linked to the M as a side chain. The organic functional group is selected from the group consisting of an alkyl group, a haloalkyl group, a substituted or unsubstituted aryl group, and combinations thereof. The negative active material for a rechargeable lithium battery according to the present invention can be applied along with an aqueous binder, and improve high capacity, good cycle-life, and particularly high capacity during charge and discharge at a high rate.
    Type: Grant
    Filed: November 21, 2007
    Date of Patent: September 16, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kyoung-Han Yew, Nam-Soon Choi, Sung-Soo Kim, Su-Yeong Park
  • Publication number: 20140227590
    Abstract: The present invention relates to an electrolyte for a lithium battery and a lithium battery comprising the same. The electrolyte includes a non-aqueous organic solvent, a lithium salt, and a first additive capable of forming a chelating complex with a transition metal and which is stable at voltages ranging from about 2.5 to about 4.8 V.
    Type: Application
    Filed: April 22, 2014
    Publication date: August 14, 2014
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Kyoung-Han Yew, Eui-Hwan Song, Cheol-Soo Jung, Yong-Beom Lee
  • Patent number: 8759892
    Abstract: A semiconductor device including a vertical transistor and a method for forming the same are disclosed, which can greatly reduce a cell area as compared to a conventional layout of 8F2 and 6F2, and need not form a bit line contact, a storage node contact, or a land plug, such that the number of fabrication steps is reduced and a contact region between the bit line and the active region is increased in size. The semiconductor device including a vertical transistor includes an active region formed over a semiconductor substrate, a first recess formed to have a predetermined depth at both sides of the active region, and a bit line buried in the first recess.
    Type: Grant
    Filed: January 18, 2013
    Date of Patent: June 24, 2014
    Assignee: SK Hynix Inc.
    Inventor: Kyoung Han Lee
  • Patent number: 8685567
    Abstract: A rechargeable lithium battery including: a negative electrode including lithium-vanadium-based oxide, negative active material; a positive electrode including a positive active material to intercalate and deintercalate lithium ions; and an electrolyte including a non-aqueous organic solvent, and a lithium salt. The lithium salt includes 0.7 to 1.2M of a first lithium salt including LiPF6; and 0.3 to 0.8M of a second lithium salt selected from the group consisting of LiBC2O4F2, LiB(C2O4)2, LiN(SO2C2F5)2, LiN(SO2CF3)2, LiBF4, LiClO4, and combinations thereof.
    Type: Grant
    Filed: September 11, 2008
    Date of Patent: April 1, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Su-Yeong Park, Nam-Soon Choi, Kyoung-Han Yew, Doo-Kyoung Lee, Sung-Soo Kim
  • Patent number: 8674820
    Abstract: A display device for a vehicle for the display of information relating to the operation of the vehicle includes a display, at least one round instrument which is readable to a viewer in the area of the display, and a control device which controls the reading on the display and of the round instrument. The display device can be controlled by the control device such that the display device has a first display mode in which the at least one round instrument is displayed to the viewer and the display has a display area within the round instrument and a display area outside the round instrument, and the display device has a second display mode in which the at least one round instrument is not displayed to the viewer, the information which can be displayed by the round instrument is represented by a digital reading of the display, and the information displayed by the display in the first display mode within the round instrument is displayed in another display area of the display.
    Type: Grant
    Filed: April 17, 2008
    Date of Patent: March 18, 2014
    Assignee: Volkswagen AG
    Inventors: Robert Hofmann, Gustav Hofmann, Sun Kyoung Han, Mathias Kuhn, Marc Amann, Rainer Dehmann
  • Patent number: 8592083
    Abstract: Negative active materials, negative electrodes, and rechargeable lithium batteries are provided. A negative electrode according to one embodiment includes a non-carbon-based active material, a lithium salt having an oxalatoborate structure, and a high-strength polymer binder. The negative active material may include a non-carbon-based material and a coating layer on the non-carbon-based material. The coating layer includes a lithium salt having an oxalatoborate structure and a high-strength polymer binder. A rechargeable lithium battery including the negative electrode or negative active material has good cycle life characteristics and high capacity.
    Type: Grant
    Filed: September 19, 2011
    Date of Patent: November 26, 2013
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Nam-Soon Choi, Kyoung-Han Ryu, Su-Yeong Park, Doo-Kyoung Lee, Sang-Min Lee, Wan-Uk Choi
  • Patent number: 8529801
    Abstract: A negative active material of a negative electrode of a rechargeable lithium battery, the negative active material including a metallic active material core and a polymer, having a tensile strength of at least 40 MPa, coated on particles of the metallic active material. The polymer controls the volumetric expansion of the negative active material and enhances the cycle-life characteristics of the battery.
    Type: Grant
    Filed: October 1, 2008
    Date of Patent: September 10, 2013
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Nam-Soon Choi, Jea-Woan Lee, Kyoung-Han Yew, Sung-Soo Kim
  • Patent number: 8524394
    Abstract: Negative active materials, negative electrodes, and rechargeable lithium batteries are provided. A negative electrode according to one embodiment includes a non-carbon-based active material, a lithium salt having an oxalatoborate structure, and a high-strength polymer binder. The negative active material may include a non-carbon-based material and a coating layer on the non-carbon-based material. The coating layer includes a lithium salt having an oxalatoborate structure and a high-strength polymer binder. A rechargeable lithium battery including the negative electrode or negative active material has good cycle life characteristics and high capacity.
    Type: Grant
    Filed: July 29, 2008
    Date of Patent: September 3, 2013
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Nam-Soon Choi, Kyoung-Han Ryu, Su-Yeong Park, Doo-Kyoung Lee, Sang-Min Lee, Wan-Uk Choi
  • Publication number: 20130147128
    Abstract: A frame sealing unit for a vehicle, that is disposed between a front pillar and a side outer panel of a vehicle, may include a main body where a mounting space is formed at one end thereof, a first pad that is inserted into the mounting space, a bonding member that is bonded to one side lower surface of the main body and an insert portion is formed on the exterior circumference thereof, a second pad that is inserted into the insert portion corresponding to the shape of the bonding member, a sub-body that is mounted on the bonding member in a position corresponding to one side surface of the main body and is spaced apart from the main body to form an operating space, and an operating means that is inserted into the operating space and slid.
    Type: Application
    Filed: June 13, 2012
    Publication date: June 13, 2013
    Applicants: Kia Motors Corporation, Hyundai Motor Company
    Inventor: SANG KYOUNG HAN
  • Patent number: 8389162
    Abstract: An electrolyte for a rechargeable lithium battery that includes a non-aqueous organic solvent, a lithium salt, and an electrolyte additive. The electrolyte additive includes 2 to 6 wt % of succinonitrile, 2 to 6 wt % of alkane sultone, and 1 to 3 wt % of vinylethylene carbonate based on the total weight of the electrolyte.
    Type: Grant
    Filed: September 15, 2009
    Date of Patent: March 5, 2013
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Duck-Chul Hwang, Sang-Min Lee, Kyoung-Han Yew, Sang-Jin Kim
  • Patent number: 8383477
    Abstract: A semiconductor device including a vertical transistor and a method for manufacturing the same may reduce a cell area in comparison with a conventional layout of 8F2 and 6F2. Also, the method does not require forming a bit line contact, a storage node contact or a landing plug, thereby decreasing the process steps. The semiconductor device including a vertical transistor comprises: an active region formed in a semiconductor substrate; a bit line disposed in the lower portion of the active region; a word line buried in the active region; and a capacitor disposed over the upper portion of the active region and the word line.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: February 26, 2013
    Assignee: Hynix Semiconductor Inc.
    Inventor: Kyoung Han Lee
  • Patent number: 8367248
    Abstract: A negative active material for a rechargeable lithium battery of the present invention includes a lithium-vanadium oxide core material being capable of performing reversible electrochemical oxidation and reduction, and an inorganic oxide coating layer disposed on the surface of the core material. The negative active material can improve stability at the interface between a negative electrode and an electrolyte, charge and discharge efficiency, and cycle-life, and can be applied along with all kinds of aqueous and non-aqueous binders.
    Type: Grant
    Filed: November 21, 2007
    Date of Patent: February 5, 2013
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kyoung-Han Yew, Nam-Soon Choi, Sung-Soo Kim, Su-Yeong Park
  • Publication number: 20130029233
    Abstract: Disclosed is a method for preparing an MnO2/carbon composite for a lithium-air secondary battery by preparing a precursor solution by dissolving permanganate powder in distilled water, preparing a MnO2/carbon composite by dispersing carbon in the precursor solution and using a reducing agent, and mixing the MnO2/carbon composite with polyvinylidene fluoride (PVdF) and supporting the mixture on nickel foam. According to the method for preparing a MnO2/carbon composite for a lithium-air secondary battery, the MnO2/carbon composite is prepared by dispersing carbon in a permanganate solution, instead of simply mixing carbon with manganese oxide, and thus the binding force between carbon and manganese oxide and the dispersion of carbon in manganese oxide can increase. The MnO2/carbon composite prepared by the above method has improved catalytic performance as an air electrode for a lithium-air secondary battery and thus can be effectively used as an electrode material for lithium-air secondary batteries.
    Type: Application
    Filed: October 17, 2011
    Publication date: January 31, 2013
    Applicants: Inha-Industry Partnership Institute, Hyundai Motor Company
    Inventors: Ho Taek Lee, Kyoung Han Ryu, Yongsug Tak, Sung-Hyeon Baeck, Jinsub Choi, Ku Bong Chung, Tae Young Jang
  • Publication number: 20130022529
    Abstract: Disclosed is a method for preparing a platinum-manganese dioxide/carbon complex for a positive-electrode material of a lithium-air battery. More specifically, a manganese dioxide/carbon complex is prepared by dispersing carbon in a manganese dioxide precursor solution and applying microwaves, filtering and drying to the resulting solution. Next a platinum-manganese dioxide/carbon complex is prepared by dispersing the manganese dioxide/carbon complex in ethylene glycol, adding a platinum precursor and applying microwaves to the resulting solution. The platinum-manganese dioxide/carbon complex synthesized according to the present invention exhibits lower overvoltage and higher current density in oxygen reduction and oxidation reactions as compared to either a manganese dioxide/carbon complex or a platinum/carbon complex.
    Type: Application
    Filed: October 14, 2011
    Publication date: January 24, 2013
    Applicants: INHA-INDUSTRY PARTNERSHIP INSTITUTE, HYUNDAI MOTOR COMPANY
    Inventors: Ho Taek Lee, Kyoung Han Ryu, Yongsug Tak, Sung-Hyeon Baeck, Jinsub Choi, Jin Yong Shim
  • Publication number: 20130011750
    Abstract: The present invention provides a lithium-air hybrid battery and a method for manufacturing the same, which has a structure in which a liquid electrolyte electrode and a solid electrolyte electrode are stacked on both sides of an ion conductive glass ceramic. That is, disclosed is a lithium-air hybrid battery and a method for manufacturing the same, which has a structure in which a lithium metal negative electrode includes a liquid electrolyte and a porous air positive electrode comprising a carbon, a catalyst, a binder and a solid electrolyte are separately stacked on both sides of an impermeable ion conductive glass ceramic, and the liquid electrolyte is present only in the lithium metal negative electrode.
    Type: Application
    Filed: October 25, 2011
    Publication date: January 10, 2013
    Applicant: HYUNDAI MOTOR COMPANY
    Inventors: Dong Hui Kim, Sam Ick Son, Kyoung Han Ryu, Jun Ki Rhee, Yun Seok Kim, Ho Taek Lee
  • Patent number: 8351858
    Abstract: An apparatus and method for obtaining information on Bluetooth devices in a computing device using Bluetooth are provided. The method includes, if an Inquiry Response (IR) packet is received as a response to an inquiry packet, obtaining information on a first Bluetooth device transmitting the IR packet and determining whether a supplementary response indication field is enabled and, if the supplementary response indication field is enabled, receiving an Extended Inquiry Response (EIR) packet, and obtaining information on at least one Bluetooth device other than the first Bluetooth device through the EIR packet.
    Type: Grant
    Filed: July 21, 2009
    Date of Patent: January 8, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-Ho Lee, Sang-In Lee, Eun-Chul Kim, Kyoung-Han Lee
  • Publication number: 20120328955
    Abstract: A lithium battery is formed with a combination of an increased capacity negative electrode material capable of replacing a lithium metal electrode and a high capacity positive electrode material capable of realizing a high energy density. Particularly, the lithium secondary battery includes a negative electrode, and a positive electrode containing lithium oxide (Li2O) or lithium peroxide (Li2O2) as an active material.
    Type: Application
    Filed: October 12, 2011
    Publication date: December 27, 2012
    Applicant: HYUNDAI MOTOR COMPANY
    Inventors: Kyoung Han Ryu, Dong Hui Kim, Ho Taek Lee, Sunggoo Yun
  • Publication number: 20120223680
    Abstract: The present invention provides a lithium ion air battery. The lithium ion air battery includes a lithium metal electrode, an air electrode and an intercalation electrode therebetween. The intercalation electrode is charged with lithium ions intercalated from the lithium metal electrode, and then used as an anode. The electric energy is generated from a reaction with the air electrode that is a cathode.
    Type: Application
    Filed: June 2, 2011
    Publication date: September 6, 2012
    Applicants: KIA MOTORS CORPORATION, HYUNDAI MOTOR COMPANY
    Inventors: Hee Yeon Ryu, Kyoung Han Ryu, Sam Ick Son
  • Publication number: 20120217562
    Abstract: A semiconductor device capable of maximizing a channel area in a pillar and a method of manufacturing the same are provided. The semiconductor device includes a pillar disposed on a semiconductor substrate and having first to fourth side surfaces, a first bit line disposed in the first side surface, a storage node junction region disposed in the third side surface facing the first side surface, and a gate disposed in the second side surface or a fourth side surface facing the second surface.
    Type: Application
    Filed: September 22, 2011
    Publication date: August 30, 2012
    Applicant: Hynix Semiconductor Inc.
    Inventor: Kyoung Han LEE
  • Publication number: 20120139285
    Abstract: A roof apparatus for a convertible car is provided, which includes a front roof and a rear roof which are folded and unfolded by a motor, a support provided at a lower portion of the rear roof for supporting the rear roof; wherein the support including, a base provided at a lower surface of the rear roof in a relatively rotatable manner; an output gear provided on the base that is motor driven; a driving gear engaged with the output gear to rotate on the base, a plurality of links rotatably engaged to the driving gear, and a latch connected to the respective links and rotated by the links on the base so as to be latched to or unlatched from the rear roof. The roofs folded and unfolded by the motor system are able to quickly operate and be accurately controlled. The unfolded roofs are firmly supported by the roof support for supporting the rear roof to increase the overall strength of the roof device.
    Type: Application
    Filed: August 16, 2011
    Publication date: June 7, 2012
    Applicant: Hyundai Motor Company
    Inventors: Tae Wan Park, Yoon Kyoung Han