Patents by Inventor Tae-Sik Kim

Tae-Sik 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: 20140352468
    Abstract: Discloses is a reducer of an electric power steering apparatus. The reducer of the electric power steering apparatus can reduce the rattling noise caused by an increase of backlash due to friction and abrasion of a worm and a worm wheel or by an impact transferred through a wheel and a steering shaft from the road and allowing a pivotal movement of a worm shaft, while decreasing a rotation resistance and blockage of a worm shaft and a worm shaft bearing to increase steering feel of a driver.
    Type: Application
    Filed: May 22, 2014
    Publication date: December 4, 2014
    Applicant: MANDO CORPORATION
    Inventor: Tae Sik KIM
  • Patent number: 8852979
    Abstract: Provided is a method of forming a micropattern according to an aspect of the present invention. The method of forming a micropattern may include forming an organic wire or organic-inorganic hybrid wire mask pattern having a circular or elliptical cross section on a substrate, forming a material layer on an entire surface of the substrate having the organic wire or organic-inorganic hybrid wire mask pattern formed thereon, and removing the organic wire or organic-inorganic hybrid wire mask pattern from the substrate to allow only the material layer on a portion of the substrate having no organic wire or organic-inorganic hybrid wire mask pattern formed thereon to be remained.
    Type: Grant
    Filed: October 6, 2011
    Date of Patent: October 7, 2014
    Assignee: Postech Academy-Industry Foundation
    Inventors: Sung Yong Min, Tae Sik Kim, Tae-Woo Lee
  • Patent number: 8815448
    Abstract: A negative active material containing super-conductive nanoparticles coated with a high capacity negative material and a lithium battery including the same are provided, wherein the super-conductive nanoparticles have a structure in which polycyclic nano-sheets are stacked upon one another along a direction perpendicular to a first plane. The polycyclic nano-sheets include hexagonal rings of six carbons atoms linked to each other, wherein a first carbon and a second carbon have a distance therebetween of L1. L2 is a distance between a third carbon and a fourth carbon, and the arrangement of the polycyclic nano-sheets is such that L1?L2. The super-conductive nanoparticle is used as a negative active material in a lithium battery, and the super-conductive nanoparticle increases the capacity, thereby improving the capacity and lifespan of the lithium battery.
    Type: Grant
    Filed: January 28, 2011
    Date of Patent: August 26, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: So-Ra Lee, Jae-Myung Kim, Kyu-Nam Joo, Jong-Hee Lee, Tae-Sik Kim, Ui-Song Do, Young-Su Kim, Deok-Hyun Kim, Gu-Hyun Chung, Beom-Kwon Kim, Yong-Mi Yu, Chang-Su Shin
  • Publication number: 20140189444
    Abstract: A method of detecting an error of a multi-time programmable (MTP) operation in which each gamma-offset and each header-bit at predetermined reference gray-levels are written in a MTP memory device while the MTP operation is performed on a pixel circuit, the each header-bit indicating whether or not the each gamma-offset is written in the MTP memory device, and it is detected whether or not the MTP operation is performed on the pixel circuit based on a logical operation between the header-bits at the predetermined reference gray-levels read from the MTP memory device when the MTP operation is finished on the pixel circuit.
    Type: Application
    Filed: July 31, 2013
    Publication date: July 3, 2014
    Applicant: Samsung Display Co., Ltd
    Inventors: Myoung-Ho KWON, Chang-Jin LEE, Chang-Kil LEE, Tae-Sik KIM
  • Publication number: 20140127578
    Abstract: An active material for a secondary battery, a secondary battery including the active material, and a method of preparing an active material, the active material including a silicon-based core; and an aluminum-based coating layer on at least a part of the silicon-based core.
    Type: Application
    Filed: February 21, 2013
    Publication date: May 8, 2014
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Byung-Joo CHUNG, Eon-Mi LEE, Woo-Cheol SHIN, Tae-Sik KIM, Jong-Ki LEE
  • Patent number: 8675270
    Abstract: The present invention may relate to a scanning micromirror. The scanning micromirror can include a substrate having an open region; a micro plate provided in the open region; a first gimbal provided between the substrate and the mirror plate, and including a first curvature curved toward the mirror plate along an X-axis of the open region; a second gimbal including a second curvature formed along the first curvature of the first gimbal; a first elastic body configured to connect the substrate with the first curvature of the first gimbal; a second elastic body configured to connect the first gimbal with the second gimbal along a Y-axis of the open region; and a third elastic body configured to connect the second gimbal with the mirror plate along the Y-axis of the open region.
    Type: Grant
    Filed: August 26, 2010
    Date of Patent: March 18, 2014
    Assignee: LG Electronics Inc.
    Inventors: Dong June Choi, Byung Goo Lee, Tae Sik Kim, Tae Sun Lim
  • Publication number: 20140057171
    Abstract: An anode includes a plurality of metal fibers with a three-dimensional (3D) network structure, and a silicon-containing layer having a thickness of about 0.3 ?m or less formed on a surface of and inside the 3D network structure of the plurality of metal fibers.
    Type: Application
    Filed: March 13, 2013
    Publication date: February 27, 2014
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Ju-Hee SOHN, Jong-Ki LEE, Tae-Sik KIM
  • Patent number: 8642215
    Abstract: A negative active material for a rechargeable lithium battery includes a SiOx (0.5?x?1.5) compound including crystalline Si, and a SiCy, (0.5?y?1.5) compound including crystalline carbon. The negative active material may be used in a rechargeable lithium battery to achieve high capacity and good cycle-life characteristics.
    Type: Grant
    Filed: August 22, 2012
    Date of Patent: February 4, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jae-Myung Kim, Tae-Sik Kim, Kyu-Nam Joo, Deok-Hyun Kim
  • Patent number: 8563178
    Abstract: A negative electrode for a lithium (Li) secondary battery, a method of forming the same, and a secondary battery, the negative electrode including a tin (Sn) based current collector layer; and a multilayer film on the Sn based current collector, the multilayer film having two or more layers, wherein the multilayer film includes at least one porous layer.
    Type: Grant
    Filed: September 21, 2010
    Date of Patent: October 22, 2013
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kyu-Nam Joo, Tae-Sik Kim, Beom-Kwon Kim
  • Publication number: 20130203198
    Abstract: Provided is a method of forming a micropattern according to an aspect of the present invention. The method of forming a micropattern may include forming an organic wire or organic-inorganic hybrid wire mask pattern having a circular or elliptical cross section on a substrate, forming a material layer on an entire surface of the substrate having the organic wire or organic-inorganic hybrid wire mask pattern formed thereon, and removing the organic wire or organic-inorganic hybrid wire mask pattern from the substrate to allow only the material layer on a portion of the substrate having no organic wire or organic-inorganic hybrid wire mask pattern formed thereon to be remained.
    Type: Application
    Filed: October 6, 2011
    Publication date: August 8, 2013
    Applicant: POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Sung Yong Min, Tae Sik Kim, Tae-Woo Lee
  • Publication number: 20130177813
    Abstract: A negative active material for a rechargeable lithium battery includes a SiOx (0.5?x?1.5) compound including crystalline Si, and a SiCy, (0.5?y?1.5) compound including crystalline carbon. The negative active material may be used in a rechargeable lithium battery to achieve high capacity and good cycle-life characteristics.
    Type: Application
    Filed: August 22, 2012
    Publication date: July 11, 2013
    Inventors: Jae-Myung Kim, Tae-Sik Kim, Kyu-Nam Joo, Deok-Hyun Kim
  • Publication number: 20130128170
    Abstract: A liquid crystal display device is disclosed which, according to one aspect, includes first and second substrates facing each other and a liquid crystal layer interposed between the first and second substrates. The first substrate includes a plurality of first pixels arranged in a first pixel column and a plurality of second pixels arranged in a second pixel column. The first pixels and the second pixels are connected to different ones of a plurality of gate lines and connected to any one of a plurality of data lines.
    Type: Application
    Filed: March 8, 2012
    Publication date: May 23, 2013
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Myong Ho Kwon, Chang-Jin Lee, Chang-Gil Lee, Tae-Sik Kim, Hwal Choi
  • Publication number: 20130115517
    Abstract: A negative active material including: a composite including a matrix comprising silicon oxide, silicon carbide, and carbon and silicon particles dispersed in the matrix; and a carbon coating film formed on a surface of the composite, wherein an intensity ratio of a SiC peak to a Si peak in an X-ray diffraction spectrum is 1 or more, a method of preparing the negative active material, a negative electrode including the negative active material, and a lithium battery including the electrode.
    Type: Application
    Filed: March 27, 2012
    Publication date: May 9, 2013
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Deok-Hyun KIM, Jae-Myung Kim, Kyu-Nam Joo, Tae-Sik Kim
  • Patent number: 8327971
    Abstract: A reducer of an electric power steering apparatus, which can prevent the steering feel for a driver, and the performance from being reduced by minimizing an increase in the torque, caused by moisture absorption of a worm wheel, and a size change due to the moisture absorption, and also can eliminate the playing caused by wearing of a worm and the worm wheel, and inhibit the occurring of a rattle noise caused by a backlash and a reversely input load.
    Type: Grant
    Filed: September 23, 2010
    Date of Patent: December 11, 2012
    Assignee: Mando Corporation
    Inventor: Tae Sik Kim
  • Publication number: 20120258361
    Abstract: An anode active material. The anode active material includes a core including SiOx (0.5?x?1.7), and a coating layer formed on the core at least partially. The coating layer includes metal unreactive toward lithium.
    Type: Application
    Filed: January 20, 2012
    Publication date: October 11, 2012
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Kyu-Nam Joo, Tae-Sik Kim, Deok-Hyun Kim, Jae-Myung Kim
  • Publication number: 20120250124
    Abstract: The present invention may relate to a scanning micromirror. The scanning micromirror can include a substrate having an open region; a micro plate provided in the open region; a first gimbal provided between the substrate and the mirror plate, and including a first curvature curved toward the mirror plate along an X-axis of the open region; a second gimbal including a second curvature formed along the first curvature of the first gimbal; a first elastic body configured to connect the substrate with the first curvature of the first gimbal; a second elastic body configured to connect the first gimbal with the second gimbal along a Y-axis of the open region; and a third elastic body configured to connect the second gimbal with the mirror plate along the Y-axis of the open region.
    Type: Application
    Filed: August 26, 2010
    Publication date: October 4, 2012
    Inventors: Dong June Choi, Byung Goo Lee, Tae Sik Kim, Tae Sun Lim
  • Publication number: 20120141872
    Abstract: A rechargeable lithium battery that includes a negative electrode including a silicon-based negative active material; a positive electrode including a positive active material being capable of intercalating and deintercalating lithium; and a non-aqueous electrolyte, wherein the silicon-based negative active material includes a SiOx (0<x<2) core including Si grains and a continuous or discontinuous coating layer including Ag, the coating layer being disposed on the core.
    Type: Application
    Filed: August 8, 2011
    Publication date: June 7, 2012
    Inventors: Jae-Myung Kim, Kyu-Nam Joo, Tae-Sik Kim, Deok-Hyun Kim
  • Publication number: 20110274970
    Abstract: A negative active material containing super-conductive nanoparticles coated with a high capacity negative material and a lithium battery including the same are provided, wherein the super-conductive nanoparticles have a structure in which polycyclic nano-sheets are stacked upon one another along a direction perpendicular to a first plane. The polycyclic nano-sheets include hexagonal rings of six carbons atoms linked to each other, wherein a first carbon and a second carbon have a distance therebetween of L1. L2 is a distance between a third carbon and a fourth carbon, and the arrangement of the polycyclic nano-sheets is such that L1?L2. The super-conductive nanoparticle is used as a negative active material in a lithium battery, and the super-conductive nanoparticle increases the capacity, thereby improving the capacity and lifespan of the lithium battery.
    Type: Application
    Filed: January 28, 2011
    Publication date: November 10, 2011
    Inventors: So-Ra Lee, Jae-Myung Kim, Kyu-Nam Joo, Jong-Hee Lee, Tae-Sik Kim, Ui-Song Do, Young-Su Kim, Deok-Hyun Kim, Gu-Hyun Chung, Beom-Kwon Kim, Yong-Mi Yu, Chang-Su Shin
  • Publication number: 20110236756
    Abstract: A negative electrode for a lithium (Li) secondary battery, a method of forming the same, and a secondary battery, the negative electrode including a tin (Sn) based current collector layer; and a multilayer film on the Sn based current collector, the multilayer film having two or more layers, wherein the multilayer film includes at least one porous layer.
    Type: Application
    Filed: September 21, 2010
    Publication date: September 29, 2011
    Inventors: Kyu-Nam Joo, Tae-Sik Kim, Beom-Kwon Kim
  • Publication number: 20110195311
    Abstract: A negative electrode for a rechargeable lithium battery includes at least one layered unit including a Sn-based metal plating layer and a carbon layer on the metal plating layer. Rechargeable lithium batteries including the negative electrode exhibit improved charge and discharge capacities, and have good capacity retention characteristics even after repeated charge and discharge.
    Type: Application
    Filed: July 28, 2010
    Publication date: August 11, 2011
    Inventors: Beom-Kwon Kim, Tae-Sik Kim, Kyu-Nam Joo, Jae-Myung Kim