Patents by Inventor Tak Kim

Tak 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: 20140369115
    Abstract: Semiconductor device, method for fabricating the same and electronic devices including the semiconductor device are provided. The semiconductor device comprises an interlayer insulating layer formed on a substrate and including a trench, a gate electrode formed in the trench, a first gate spacer formed on a side wall of the gate electrode to have an L shape, a second gate spacer formed on the first gate spacer to have an L shape and having a dielectric constant lower than that of silicon nitride, and a third spacer formed on the second gate spacer.
    Type: Application
    Filed: January 15, 2014
    Publication date: December 18, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kook-Tae KIM, Young-Tak KIM, Ho-Sung SON, Seok-Jun WON, Ji-Hye YI, Chul-Woong LEE
  • Publication number: 20140362889
    Abstract: A method and apparatus for determining a control temperature to control a function of an electronic device by using an atmospheric temperature when controlling a temperature of the electronic device, and for controlling the function of the electronic device according to a control step of the determined control temperature are provided. A method of operating an electronic device includes measuring an atmospheric temperature, determining at least one control temperature corresponding to the measured atmospheric temperature, measuring an internal temperature of the electronic device, and controlling a function in accordance with the measured internal temperature of the electronic device and the determined at least one control temperature.
    Type: Application
    Filed: May 28, 2014
    Publication date: December 11, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ki-Youn JANG, Min-Su KIM, Kun-Tak KIM, Chi-Hyun CHO
  • Publication number: 20140356994
    Abstract: A method of manufacturing an organic electroluminescence device is disclosed. In one aspect, the method includes forming color patterns on a substrate, and forming a pixel defining layer between the color patterns.
    Type: Application
    Filed: September 18, 2013
    Publication date: December 4, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Woo Sub Shim, Byung Seon An, Geun Tak Kim
  • Patent number: 8890574
    Abstract: Provided are a MIT device self-heating preventive-circuit that can solve a self-heating problem of a MIT device and a method of manufacturing a MIT device self-heating preventive-circuit integrated device. The MIT device self-heating preventive-circuit includes a MIT device that generates an abrupt MIT at a temperature equal to or greater than a critical temperature and is connected to a current driving device to control the flow of current in the current driving device, a transistor that is connected to the MIT device to control the self-heating of the MIT device after generating the MIT in the MIT device, and a resistor connected to the MIT device and the transistor.
    Type: Grant
    Filed: February 23, 2009
    Date of Patent: November 18, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Hyun-Tak Kim, Bong-Jun Kim, Sun-Jin Yun, Dae-Yong Kim
  • Publication number: 20140335437
    Abstract: An electrode catalyst for a fuel cell, an electrode, a fuel cell, and a membrane electrode assembly (MEA), the electrode catalyst including a carbonaceous support, and a catalyst metal loaded on the carbonaceous support, wherein the carbonaceous support includes a functional group bound on a surface thereof, the functional group being represented by one of Formula 1 or Formula 2, below,
    Type: Application
    Filed: October 10, 2013
    Publication date: November 13, 2014
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Jun-Young KIM, Sung-Chul LEE, Myoung-Ki MIN, Tae-Yoon KIM, Hee-Tak KIM
  • Patent number: 8883367
    Abstract: A catalyst for a fuel cell including a carrier and an active metal dispersion that is supported in the carrier is disclosed. The catalyst may have a dispersity (Dp) represented by General Formula 1 and that ranges from between about 0.01 to about 1.0. Dispersity (Dp)={X?X10/(X1?B)}*(B/X)2??[General Formula 1] In the General Formula 1, X, X10, X1, and B are defined the same as described in the specification. A membrane-electrode assembly, and a fuel cell system having the catalyst are also disclosed.
    Type: Grant
    Filed: July 26, 2010
    Date of Patent: November 11, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Myoung-Ki Min, Geun-Seok Chai, Hee-Tak Kim, Tae-Yoon Kim, Sang-Il Han, Sung-Yong Cho, Kah-Young Song
  • Patent number: 8878201
    Abstract: An organic light-emitting display apparatus is disclosed. In one embodiment, the display apparatus includes i) a substrate and ii) an organic light-emitting device formed on the substrate, the organic light-emitting device including a stack structure including a first electrode, an organic light-emitting layer, and a second electrode. The apparatus may further include a sealing layer formed on the substrate so as to cover the organic light-emitting device, the sealing layer including an inorganic layer and a porous layer interposed between the sealing layer and the organic light-emitting device. One embodiment can reduce a stress due to a sealing inorganic layer so as to maintain characteristics for a long time in a severe environment and not affect an organic light-emitting device.
    Type: Grant
    Filed: April 18, 2011
    Date of Patent: November 4, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Ho Oh, Yoon-Hyeung Cho, Byoung-Duk Lee, Yong-Tak Kim, So-Young Lee, Yun-Ah Chung
  • Patent number: 8866538
    Abstract: The present inventive concept is a hyuntak transistor that can prevent a thermal runaway phenomenon and a low heat high efficiency constant current circuit using an auxiliary transistor capable of a high amplification and a constant current. The circuit may be applied to drive a LED and a motor.
    Type: Grant
    Filed: January 12, 2012
    Date of Patent: October 21, 2014
    Assignees: Electronics and Telecommunications Research Institute, Dongwon Systems Corporation
    Inventors: Hyun-Tak Kim, Bongjun Kim, Sun Shin Kwag, Jun Sik Kim
  • Publication number: 20140306457
    Abstract: Provided is a curtain-suspension-type power-generating apparatus in which generator bodies, i.e. turbines using the force of the wind, are vertically and densely suspended from upper and lower wire ropes connected in parallel, such that the generator bodies rotate along the upper and lower wire ropes. The curtain-suspension-type power-generating apparatus comprises: a plurality of curved turbine blades which rotate by means of the wind blowing from the outside; a generator coupled in a straight line to the center of the turbine blades; an upper wire rope and a lower wire rope connected between the upper ends or lower ends of steel towers such that the upper wire rope and the lower wire rope are arranged in parallel; and a plurality of generator bodies densely installed at the upper and lower wire ropes arranged in parallel. The number of the wire ropes having the plurality of generator bodies installed thereon may be one, two, three, or more connected together so as to form a radial shape.
    Type: Application
    Filed: March 21, 2012
    Publication date: October 16, 2014
    Inventor: Yong-Tak Kim
  • Publication number: 20140306195
    Abstract: An organic light-emitting display apparatus and a manufacturing method thereof. The organic light-emitting display apparatus includes a substrate, a display unit arranged on the substrate, a dam unit arranged at a periphery of the display unit and on the substrate and an encapsulating layer to encapsulate the display unit, wherein the encapsulating layer includes an organic film covering the display unit, and an inorganic film covering the organic film and the dam unit, and wherein a hardness of the dam unit is lower than that of the inorganic film. According to this, lateral moisture-proof characteristics of the organic light-emitting display apparatus are improved.
    Type: Application
    Filed: September 25, 2013
    Publication date: October 16, 2014
    Inventors: Min-Ho Oh, Yoon-Hyeung Cho, Yong-Tak Kim, So-Young Lee, Jong-Woo Kim, Ji-Young Moon
  • Patent number: 8860919
    Abstract: In order to improve durability, a display apparatus includes a substrate; an encapsulation substrate facing the substrate; a display unit disposed between the substrate and the encapsulation substrate; a sealing unit disposed between the substrate and the encapsulation substrate so as to bond the substrate and the encapsulation substrate and spaced from the display unit; and a protective member formed over at least one surface among surfaces of the substrate and the encapsulation substrate, except surfaces facing the display unit. The protective member includes a base, a plurality of capsules comprising monomers, and a catalyst inducing polymerization of the monomers.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: October 14, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yun-Ah Chung, Jong-Hyuk Lee, Seung-Young Song, Yoon-Hyeung Cho, Min-Ho Oh, Byoung-Duk Lee, So-Young Lee, Yong-Tak Kim
  • Publication number: 20140285933
    Abstract: The inventive concept shows the embodiment of t-switch which is a MIT 3-terminal device based on a Hole-driven MIT theory and a technology for removing an ESD noise signal which is one of applications of the t-switch. The t-switch includes three terminals of Inlet, Outlet and Control, and a metal-insulator transition (MIT) occurs at an Outlet layer by a current flowing through the Control terminal. In the t-switch, a high resistor is connected to the Control terminal and thereby an ESD noise signal of high voltage flows through the Inlet-Outlet without damaging the device.
    Type: Application
    Filed: October 26, 2012
    Publication date: September 25, 2014
    Applicant: ELectronics and Telecommunications Research Institute
    Inventors: Hyun-Tak Kim, Bongjun Kim, Jeong Yong Choi, Jong Chan Park
  • Patent number: 8835073
    Abstract: Disclosed is a polymer membrane for a battery including a porous support including a fiber including a core including a high melting-point polymer; and a sheath including a low melting-point polymer surrounding the core, and a method of preparing the same. The polymer membrane for a battery may further include a proton conductive polymer.
    Type: Grant
    Filed: October 7, 2010
    Date of Patent: September 16, 2014
    Assignees: Samsung SDI Co., Ltd., Korea Institute of Industrial Technology
    Inventors: Sang-Il Han, Hee-Tak Kim, Dae-Young Lim, Jung-Nam Im, Guk-Hwan An, Ki-Young Kim
  • Publication number: 20140225084
    Abstract: Provided is an organic electroluminescent display device, including a substrate, an organic light-emitting device on the substrate, and an encapsulation layer formed on the organic light-emitting device and the substrate. The encapsulation layer includes an inorganic layer and a polymer organic layer alternatingly stacked with an intermediate layer formed of a first organic monomer between the inorganic layer and the polymer organic layer, and one surface of the intermediate layer is bonded to the inorganic layer through bonding sites on a surface of the inorganic layer and another surface of the intermediate layer is bonded to the organic layer by polymerization.
    Type: Application
    Filed: October 21, 2013
    Publication date: August 14, 2014
    Inventors: Min-Ho Oh, Yoon-Hyeung Cho, Yong-Tak Kim, So-Young Lee, Jong-Woo Kim, Ji-Young Moon
  • Patent number: 8803133
    Abstract: An organic light emitting diode device includes a first electrode, a second electrode, and an emission layer disposed between the first and second electrodes. The first electrode includes a first layer and a second layer. The first layer includes ytterbium (Yb), samarium (Sm), lanthanum (La), yttrium (Y), calcium (Ca), strontium (Sr), cesium (Cs), ruthenium (Ru), barium (Ba), or a combination thereof and having a thickness ranging from about 40 to 200 ?. The second layer includes silver (Ag), aluminum (Al), copper (Cu), chromium (Cr), or a combination thereof and having a thickness ranging from about 100 to 250 ?.
    Type: Grant
    Filed: December 16, 2010
    Date of Patent: August 12, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-Tak Kim, Won-Jong Kim, Ji-Young Choung, Joon-Gu Lee, Jin-Baek Choi, Kyu-Hwan Hwang, Il-Soo Oh, Jong-Hyuk Lee
  • Publication number: 20140210628
    Abstract: The inventive concept provides MIT devices molded by clear compound epoxy and fire detecting devices including the MIT device. The fire detecting device is supplied with a power source from a power control device. The fire detecting device includes a MIT device including a MIT chip molded by a clear compound epoxy, a diode bridge circuit supplied with the power source from the power control device for providing a non-polar power source, a notice circuit supplied with the non-polar power source from the diode bridge circuit for warning of a fire alarm in response to a detecting signal from the MIT device, and a stabilization circuit for maintaining the detecting signal for a certain period.
    Type: Application
    Filed: August 16, 2012
    Publication date: July 31, 2014
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyun-Tak Kim, Bongjun Kim, Jong Chan Park
  • Publication number: 20140205921
    Abstract: A catalyst for a fuel cell includes an active metal catalyst and a composite supporter supporting the active metal catalyst. The composite supporter includes a spherical-shaped supporter and a fibrous supporter, wherein the fibrous supporter is included in an amount of about 5 wt % to about 40 wt % based on the total amount of the composite supporter. In addition, an electrode for a fuel cell using the same, a membrane-electrode assembly for a fuel cell including the electrode, and a fuel cell system including the membrane-electrode assembly are also disclosed.
    Type: Application
    Filed: July 25, 2013
    Publication date: July 24, 2014
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Hee-Tak Kim, Sung-Yong Cho, Kah-Young Song
  • Publication number: 20140205922
    Abstract: A catalyst for a fuel cell includes an active metal catalyst and a composite supporter supporting the active metal catalyst. The composite supporter includes a spherical-shaped supporter and a fibrous supporter, wherein the fibrous supporter is included in an amount of about 5 wt % to about 40 wt % based on the total amount of the composite supporter. In addition, an electrode for a fuel cell using the same, a membrane-electrode assembly for a fuel cell including the electrode, and a fuel cell system including the membrane-electrode assembly are also disclosed.
    Type: Application
    Filed: January 21, 2014
    Publication date: July 24, 2014
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Hee-Tak Kim, Sung-Yong Cho, Kah-Young Song
  • Patent number: 8784150
    Abstract: The present invention is to provide an organic light emitting display and a method of manufacturing the same, the light emitting display including: a first substrate on which a plurality of light emitting devices are formed; a second substrate disposed to face the first substrate; a dam member disposed between the first substrate and the second substrate to surround the plurality of light emitting devices; an inorganic sealing material disposed between the first substrate and the second substrate on an outward side of the dam member and attaching the first substrate and the second substrate; and a filling material provided between the first substrate and the second substrate on an inward side of the dam member and formed of at least one inert liquid selected from the group consisting of perfluorocarbon and fluorinert.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: July 22, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-ho Oh, Yoon-Hyeung Cho, Byoung-duk Lee, So-young Lee, Sun-young Lee, Won-jong Kim, Yong-tak Kim, Jin-baek Choi, Jong-hyuk Lee, Seung-han Lee
  • Patent number: D715983
    Type: Grant
    Filed: June 28, 2012
    Date of Patent: October 21, 2014
    Assignee: Tangram Design Lab., Inc.
    Inventors: Deok-Hee Jeong, Geun-Tak Kim, Do-Won Kim