Patents by Inventor Chi-Young Lee

Chi-Young Lee 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: 20150280203
    Abstract: A rechargeable battery includes a case accommodating an electrode assembly; a cap plate coupled to the case and having a short-circuit hole; a first electrode terminal and a second electrode terminal extending through the cap plate and electrically connected to the electrode assembly; a membrane fixed to the cap plate in the short-circuit hole and configured to electrically connect the first electrode terminal and the second electrode terminal to cause a short circuit; a connection plate electrically connected to the first electrode terminal and spaced from a side of a short-circuit member; a top insulating member located between the connection plate and the cap plate; and a fixing member fixed to the cap plate and supporting the top insulating member.
    Type: Application
    Filed: December 3, 2014
    Publication date: October 1, 2015
    Inventors: Min-Hyung Guen, Chi-Young Lee
  • Patent number: 9142814
    Abstract: A rechargeable battery including an electrode assembly, the electrode assembly including an anode, a cathode, and a separator therebetween; a case accommodating the electrode assembly, the case having an opening; a cap plate coupled to the opening of the case, the cap plate having a discharge hole; and a vent plate coupled to the discharge hole, wherein the vent plate includes a main notch part corresponding to the discharge hole, and a sub-notch part separated from the main notch part.
    Type: Grant
    Filed: March 18, 2011
    Date of Patent: September 22, 2015
    Assignees: SAMSUNG SDI CO., LTD., ROBERT BOSCH GmbH
    Inventors: Sang-Won Byun, Byung-Kyu Ahn, Chi-Young Lee
  • Publication number: 20150263329
    Abstract: An exemplary embodiment of the present invention provides a rechargeable battery with an external short-circuit part having an advantage of preventing foreign materials and moisture from the outside from permeating as well as discharging internal pressure when a membrane is inversely deformed. A rechargeable battery according to an exemplary embodiment of the present invention includes: a case for accommodating an electrode assembly; a cap plate for sealing an opening of the case; a first electrode terminal and a second electrode terminal provided to penetrate the cap plate so as to be electrically connected to the electrode assembly; and an external short-circuit part electrically separating or short-circuiting the first and second electrode terminals outside of the electrode assembly. The external short-circuit part includes a membrane for sealing a short-circuit hole formed in the cap plate.
    Type: Application
    Filed: December 5, 2014
    Publication date: September 17, 2015
    Inventors: Min-Hyung Guen, Chi-Young Lee
  • Publication number: 20150252471
    Abstract: A method for manufacturing a silicon carbide thin film comprises steps of: (a) utilizing a mechanical pump to remove gases in a chamber such that the pressure in the chamber is reduced to a bass pressure; (b) utilizing a microwave generator to generate microwaves at 1200W to 1400W so as to form microwave plasma inside the chamber; and (c) introducing into the chamber a silicon-based compound containing chlorine atoms that serve as a precursor, during the time that the temperature of a substrate disposed in the chamber is stable at 400° C. to 500° C., in which the temperature of the substrate is risen by the microwave plasma without heating the substrate additionally, so as to form a film of cubic silicon carbide on the substrate. In the present invention, the SiC thin film has good crystallinity and is manufactured by using MPECVD in a low temperature process.
    Type: Application
    Filed: June 25, 2014
    Publication date: September 10, 2015
    Inventors: Chi-Young LEE, Ru-Chien CHIU
  • Publication number: 20150255777
    Abstract: A rechargeable battery having a decreased size by including a membrane of an external short-circuit part in a cap plate is provided. The rechargeable battery includes a case having an electrode assembly accommodated therein, a cap plate closing an opening of the case, first and second electrode terminals extending through the cap plate and electrically coupled to the electrode assembly, and an external short-circuit part coupled to an outer portion of the case for electrically disconnecting or short-circuiting the first and second electrode terminals from or to each other. The external short-circuit part includes a membrane coupled to an inner surface of the cap plate and electrically coupled to the second electrode terminal, and a connection plate electrically coupled to the first electrode terminal and spaced from the membrane. The membrane extends around an outer circumference of a short-circuit hole in the cap plate to cover the short-circuit hole.
    Type: Application
    Filed: December 17, 2014
    Publication date: September 10, 2015
    Inventors: Min-Hyung Guen, Chi-Young Lee
  • Patent number: 9118071
    Abstract: A rechargeable battery configured to stably and easily interrupt a current includes: an electrode assembly including a positive electrode, a negative electrode, and a separator between the positive electrode and the negative electrode; a case containing the electrode assembly therein and having a first opening at one end thereof; and a first plate coupled to the case and sealing the first opening, the first plate electrically connected to the electrode assembly, wherein the first plate includes a wrinkle portion configured to deform for disconnecting the first plate from the electrode assembly when an internal pressure of the case is greater than a reference pressure.
    Type: Grant
    Filed: March 9, 2010
    Date of Patent: August 25, 2015
    Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventors: Sang-Eun Cheon, Tatsuya Hashimoto, Seok-Yoon Yoo, Chi-Young Lee, Dong-Wook Kim, Jong-Seok Moon
  • Patent number: 9048168
    Abstract: A semiconductor package can include a substrate body having a first surface and a second surface. A semiconductor chip can be mounted on the first surface and a plurality of electrode pads can be on the second surface and selectively formed to have progressively smaller or larger sizes extending from a central region of the substrate body toward an outer edge of the substrate body based on a reflow soldering process warpage profile for the semiconductor package.
    Type: Grant
    Filed: November 19, 2013
    Date of Patent: June 2, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Heung-kyu Kwon, Seok-won Lee, Hyon-chol Kim, Su-chang Lee, Chi-young Lee
  • Patent number: 9042673
    Abstract: Provided is a method and apparatus for deblurring a non-uniform motion blur in an input image, that may restore a clearer image by dividing a large scale input image into tiles corresponding to partial areas, selecting, among the divided tiles, an optimal tile for a partial area most suitable for estimating non-uniform motion blur information, and effectively removing an artifact in an outer portion of a tile through padding of each tile.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: May 26, 2015
    Assignees: SAMSUNG ELECTRONICS CO., LTD., POSTECH ACADEMY-INDUSTRY FOUNDATION POHANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Jung Uk Cho, Seung Yong Lee, Young Su Moon, Shi Hwa Lee, Chi Young Lee, Sung Hyun Cho, Ho Jin Cho
  • Patent number: 9012064
    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: Grant
    Filed: August 23, 2010
    Date of Patent: April 21, 2015
    Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventors: Chi-Young Lee, Yong-Sam Kim, Seok-Yoon Yoo, Dong-Wook Kim, Jong-Seok Moon, Sang-Eun Cheon
  • Patent number: 8995781
    Abstract: A method and apparatus for deblurring a non-uniform motion blur using a multi-frame including a blurred image and a noise image is provided. The apparatus may provide a clearer image by estimating non-uniform motion blur information of the blurred image using the multi-frame, and performing estimation of the non-uniform motion blur information and obtaining of a latent image iteratively, thereby improving accuracy for estimating the non-uniform motion blur information, and reducing a processing time.
    Type: Grant
    Filed: November 12, 2012
    Date of Patent: March 31, 2015
    Assignees: Samsung Electronics Co., Ltd., Postech Academy-Industry Foundation
    Inventors: Jung Uk Cho, Seung Yong Lee, Young Su Moon, Shi Hwa Lee, Chi Young Lee, Sung Hyun Cho, Ho Jin Cho
  • Publication number: 20150037245
    Abstract: The present invention relates to a method for tuning shape, exposed crystal face and size of titanium dioxide by using inorganic salts and changing pH value of the reaction environment. The present invention changes the shape of titanium dioxide crystal and the exposed face thereof by adding different inorganic salts during the reaction to utilize different alkali metal ions of the inorganic salts and also can change the size of titanium dioxide crystal by tuning different pH value in the reaction. By this synthesis method, the shape and size of titanium dioxide can be tuned for different applications, such as photocatalysis, dye-sensitized solar cells, photolysis of water and other optoelectronic components or materials, to achieve their optimal efficiencies.
    Type: Application
    Filed: January 27, 2014
    Publication date: February 5, 2015
    Applicant: NATIONAL TSING HUA UNIVERSITY
    Inventors: Chi-Young Lee, Hsin-Tien Chiu, Min-Han Yang
  • Publication number: 20150024259
    Abstract: Disclosed is a rechargeable battery including a case, an electrode assembly accommodated in the case, a first terminal unit electrically coupled to the electrode assembly, and a first current collector including a first portion coupled with the electrode assembly, a second portion coupled with the first terminal unit, and a connection unit coupling the first portion and the second portion and having a thickness that is greater than the thickness of the first portion.
    Type: Application
    Filed: January 7, 2014
    Publication date: January 22, 2015
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Chi-Young Lee, Seok-Yoon Yoo, Yun-Jung Kwak, Jeong-Won Oh
  • Patent number: 8889292
    Abstract: A battery includes a plurality of electrode assemblies, each having an electrode and an electrode uncoated region, such that the plurality of electrode assemblies together present a plurality of electrodes and electrode uncoated regions, an electrode terminal, and a current collecting member electrically connecting the electrode terminal and the plurality of electrodes of the electrode assemblies, the current collecting member including a terminal connection portion, and side plates, extending from lateral sides of the terminal connection portion, a plurality of current collecting plates, each current collecting plate contacting the electrode uncoated region of a respective one of the plurality of electrode assemblies, a plurality of supporting portions, each supporting portion connecting certain adjacent ones of the current collecting plates together, each of the side plates being coupled with at least one of the current collecting plates.
    Type: Grant
    Filed: February 23, 2012
    Date of Patent: November 18, 2014
    Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventors: Duk-Jung Kim, Joong-Heon Kim, In Kim, Chi-Young Lee
  • Publication number: 20140315055
    Abstract: A rechargeable battery including: an electrode assembly; a case accommodating the electrode assembly; a cap plate covering an opening of the case; an electrode terminal on the cap plate; and a lead tab connecting the electrode assembly to the electrode terminal, and including a fuse, the fuse including a plurality of sub-fuses defined along a width of the lead tab by a plurality of through holes formed in the lead tab.
    Type: Application
    Filed: September 24, 2013
    Publication date: October 23, 2014
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Sang-Won Byun, Soo-Seok Choi, Jeong-Won Oh, Hyung-Sik Kim, Chi-Young Lee
  • Patent number: 8835031
    Abstract: A rechargeable battery including an electrode assembly including a negative electrode and a positive electrode; a case housing the electrode assembly; a cap plate coupled to an opening of the case; a negative terminal and a positive terminal penetrating the cap plate and connected to the negative electrode and the positive electrode, respectively; an external short-circuit unit separately provided between the negative terminal and the cap plate and configured to short-circuit the negative terminal on the cap plate; and a thermistor for connecting the positive terminal and the cap plate, wherein the thermistor is configured to have reduced resistance when its temperature is increased.
    Type: Grant
    Filed: March 4, 2013
    Date of Patent: September 16, 2014
    Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventors: Chi-Young Lee, Joong-Heon Kim, Jong-Seok Moon, Jeong-Wan Haam, Hui-Jun Lee
  • Publication number: 20140255701
    Abstract: A diamond-like carbon film for improving an efficiency of a field emitting element is disclosed in the present invention. The abovementioned diamond-like carbon film is deposited on a substrate and uses a mixture of graphite fiber and diamond powder as its nucleation layer. Furthermore, a method for fabricating the abovementioned diamond-like carbon film is also disclosed in the present invention and at least comprises the following steps. First, a substrate and a mixing solution composed of graphite fiber and diamond powder are provided. And then, a nucleation layer is formed on the substrate by utilizing the mixing solution. A diamond-like carbon film is finally deposited on the substrate by utilizing the nucleation layer.
    Type: Application
    Filed: August 19, 2013
    Publication date: September 11, 2014
    Applicant: National Tsing Hua University
    Inventors: Chi-Young Lee, I-Nan Lin, Chien-Fu Chen
  • Publication number: 20140242426
    Abstract: A rechargeable battery including an electrode assembly, a case housing the electrode assembly, a cap plate coupled to the case, a first electrode terminal on the cap plate, and a first lead tab electrically connecting the electrode assembly and the first electrode terminal, wherein the first lead tab has a cell fuse and a heat dissipating member coupled to the first lead tab and spaced from the cell fuse.
    Type: Application
    Filed: August 8, 2013
    Publication date: August 28, 2014
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Yun-Jung Kwak, Jeong-Won Oh, Seok-Yoon Yoo, Chi-Young Lee, Min-Seok Koo
  • Publication number: 20140193289
    Abstract: A one-dimensional titanium nanostructure and a method for fabricating the same are provided. A titanium metal reacts with titanium tetrachloride to form the one-dimensional titanium nanostructure on a heat-resistant substrate in a CVD method and under a reaction condition of a reaction temperature of 300-900° C., a deposition temperature of 200-850° C., a flow rate of the carrier gas of 0.1-50 sccm and a reaction time of 5-60 hours. The titanium nanostructure includes titanium nanowires, titanium nanobelts, flower-shaped titanium nanowires, titanium nanorods, titanium nanotubes, and titanium-titanium dioxide core-shell structures. The titanium nanostructure can be densely and uniformly grown on the heat-resistant substrate. The present invention neither uses a template nor uses the complicated photolithographic process, solution preparation process, and mixing-coating process. Therefore, the process scale-up, cost down, and the simplified production process are achieved.
    Type: Application
    Filed: March 18, 2013
    Publication date: July 10, 2014
    Applicant: NATIONAL CHIAO TUNG UNIVERSITY
    Inventors: Tze-Lung CHEN, Hsin-Tien CHIU, Chi-Young LEE
  • Publication number: 20140158948
    Abstract: The present invention provides a method for fabricating a conductive paste comprising the following steps: (a) preparing an organic medium and a mixed powder, wherein the organic medium contains an organic solvent, a resin and a first anionic surfactant, and the mixed powder contains a carbide and a doped-polyaniline, wherein the doped-polyaniline is produced by co-doping a polyaniline with a second anionic surfactant in an acid; and (b) mixing the organic medium and the mixed powder to obtain the conductive paste, which has a significantly improved conductivity.
    Type: Application
    Filed: December 11, 2013
    Publication date: June 12, 2014
    Applicant: National Tsing Hua University
    Inventors: Nyan-Hwa TAI, Chi-Young LEE, Hwei-Jay CHU
  • Patent number: 8734974
    Abstract: A rechargeable battery including at least one electrode assembly that performs charging and discharging; a case receiving the electrode assembly; a cap assembly coupled to the case and including at least one terminal electrically connected to the electrode assembly; a lead tab electrically connecting the terminal and the electrode assembly; and a supporting member between the lead tab and the case, wherein the lead tab includes at least one coupling bar attached to the electrode assembly, and the supporting member includes a supporting protrusion coupled to one surface of the coupling bar and a base supported by an inner surface of the case.
    Type: Grant
    Filed: October 6, 2011
    Date of Patent: May 27, 2014
    Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventor: Chi-Young Lee