Patents by Inventor Yong-Tak Kim

Yong-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).

  • 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
  • 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
  • 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
  • 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: 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
  • 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: 8729797
    Abstract: A manufacturing method of an OLED display is provided. The method includes: forming an organic emission layer and a thin film encapsulation layer covering the organic emission layer on a substrate including a pixel area and a peripheral area; adhering a laminating film including a plurality of adhesive layers and an upper protective layer that covers an upper adhesive layer from among the adhesive layers on the thin film encapsulation layer, a lower adhesive layer from among the adhesive layers contacting the thin film encapsulation layer; radiating UV light on the laminating film that corresponds to the peripheral area of the substrate to decrease adhesion between the lower adhesive layer and the thin film encapsulation layer corresponding to the peripheral area; and peeling the laminating film corresponding to the peripheral area from the thin film encapsulation layer to maintain the laminating film that corresponds to the pixel area.
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: May 20, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: So-Young Lee, Yoon-Hyeung Cho, Min-Ho Oh, Byoung-Duk Lee, Yong-Tak Kim, Sang-Hwan Cho, Yun-Ah Chung, Seung-Yong Song, Jong-Hyuk Lee
  • Patent number: 8721381
    Abstract: The present invention is to provide an organic light emitting display and a method of manufacturing the same. The light emitting display according to the present invention includes: a first substrate on which a plurality of light emitting devices having first electrodes, organic light emitting layers, and second electrodes are disposed; 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 in an outer area of the dam member and attaching the first substrate to the second substrate; and a silicon filling material provided between the first substrate and the second substrate inward of the dam member to be in contact with the second electrodes.
    Type: Grant
    Filed: July 30, 2012
    Date of Patent: May 13, 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-beak Choi, Jong-hyuk Lee, Seung-han Lee
  • Patent number: 8716928
    Abstract: Provided is an organic light emitting device including an anode, a cathode, and a light emitting layer disposed between the anode and the cathode, wherein the cathode has a structure including a first metal layer and a second metal layer, or a structure including a first metal layer, a second metal layer, and one selected from the group consisting of an oxide layer, a nitride layer, and a nitric oxide layer, and wherein the cathode has low resistance.
    Type: Grant
    Filed: April 8, 2010
    Date of Patent: May 6, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-Tak Kim, Won-Jong Kim, Joon-Gu Lee, Jin-Baek Choi, Chang-Ho Lee, Il-Soo Oh, Hee-Ju Ko, Se-Jin Cho, Jin-Young Yun, Hyung-Jun Song, Kyu-Hwan Hwang, Jong-Hyuk Lee
  • Patent number: 8704214
    Abstract: An organic light emitting diode (OLED) display a includes: a substrate; an organic light emitting element on the substrate and including a first electrode, a light emission layer, and a second electrode; and an encapsulation layer on the substrate while covering the organic light emitting element. The encapsulation layer includes an organic layer and an inorganic layer. A mixed area, where organic materials forming the organic layer and inorganic materials forming the inorganic layer co-exist along a plane direction of the encapsulation layer, is formed at the boundary between the organic layer and the inorganic layer.
    Type: Grant
    Filed: November 16, 2011
    Date of Patent: April 22, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: So-Young Lee, Yoon-Hyeung Cho, Min-Ho Oh, Byoung-Duk Lee, Sang-Hwan Cho, Yong-Tak Kim, Yun-Ah Chung, Seung-Yong Song, Jong-Hyuk Lee
  • Publication number: 20140103309
    Abstract: In an embodiment of the present disclosure, a polymer layer is formed on a second electrode of an organic light emitting display device.
    Type: Application
    Filed: August 19, 2013
    Publication date: April 17, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Yoon-Hyeung Cho, Min-Ho Oh, Byung-Duk Lee, Yong-Tak Kim, So-Young Lee, Jong-Woo Kim
  • Patent number: 8698179
    Abstract: In one aspect, a cathode including the first metal layer, the transparent conductive layer formed on the first metal layer, and the second metal layer formed on the transparent conductive layer is applied to the organic light emitting device and thicknesses of the first metal layer, the transparent conductive layer, and the second metal layer are controlled so that the external light reflection of the organic light emitting device is prevented. The cathode may further include the third metal layer formed on the second metal layer.
    Type: Grant
    Filed: April 10, 2012
    Date of Patent: April 15, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Hwan Cho, Yoon-Hyeung Cho, Byoung-Duk Lee, Min-Ho Oh, Yong-Tak Kim, So-Young Lee, Yun-Ah Chung, Seung-Yong Song, Jong-Hyuk Lee
  • Patent number: 8686444
    Abstract: An organic light emitting device including a substrate on which an organic light emitting unit is formed, wherein the organic light emitting unit sequentially includes a first electrode, an organic layer, and a second electrode; and a passivation layer covering the substrate and the second electrode, and a method of manufacturing the organic light emitting device.
    Type: Grant
    Filed: June 14, 2010
    Date of Patent: April 1, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-Tak Kim, Jong-Hyuk Lee, Won-Jong Kim, Joon-Gu Lee, Jin-Baek Choi
  • Patent number: 8502205
    Abstract: An organic light emitting diode (OLED) device and a method of manufacturing the same, the OLED device including a substrate, a first electrode on the substrate, a buffer layer on the first electrode, an emission layer on the buffer layer, and a second electrode on the emission layer, wherein the buffer layer includes a transparent conductive oxide, and a metal or metal oxide having a work function lower than a work function of the transparent conductive oxide.
    Type: Grant
    Filed: October 19, 2010
    Date of Patent: August 6, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joon-Gu Lee, Jong-Hyuk Lee, Won-Jong Kim, Ji-Young Choung, Kyu-Ilwan Kwang, Yong-Tak Kim, Jin-Baek Choi
  • Patent number: 8487413
    Abstract: Disclosed are a passivation film for an electronic device having a nitride film formed on a substrate by a plasma-enhanced chemical vapor deposition (PECVD) method using a silicon-containing gas and a nitrogen-containing gas and a plasma-processed film formed by plasma processing a surface of the nitride film by a PECVD method using an NH3 gas, an N2 gas, and a H2 gas, and a method of manufacturing the passivation film.
    Type: Grant
    Filed: June 9, 2011
    Date of Patent: July 16, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-Tak Kim, Yoon-Hyeung Cho, Min-Ho Oh, Byoung-Duk Lee, So-Young Lee, Seung-Yong Song, Jong-Hyuk Lee
  • Patent number: 8487528
    Abstract: An organic light emitting diode device including a first electrode; a second electrode facing the first electrode; and an emitting layer interposed between the first electrode and the second electrode, wherein the first electrode includes an ytterbium (Yb) alloy represented by the following Chemical Formula 1: Yb-M??(1), and in Chemical Formula 1, M is a metal including at least one of silver (Ag), calcium (Ca), chromium (Cr), iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), molybdenum (Mo), ruthenium (Ru), indium (In), and tungsten (W).
    Type: Grant
    Filed: December 6, 2010
    Date of Patent: July 16, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok-Gyu Yoon, Young-Woo Song, Kyu-Hwan Hwang, Jae-Heung Ha, Jong-Hyuk Lee, Won-Jong Kim, Yong-Tak Kim, Chang-Ho Lee, Il-Soo Oh, Hyung-Jun Song, Hee-Joo Ko
  • Patent number: 8461760
    Abstract: Thin film encapsulation for a flat panel display device and a method of manufacturing the thin film encapsulation structure. The thin film encapsulation structure of the flat panel display device includes thin film layers covering a display unit formed on a substrate, wherein the thin film layers comprise a plurality of inorganic layers and a hexamethyldisiloxane (HMDSO) layer interposed between the inorganic layers. Accordingly, as multiple layers of the thin film encapsulation structure may be formed in a single chamber, the manufacturing process may be simplified, and also, as the HMDSO layer, which is flexible, absorbs stresses, a risk of cracks occurring may also be reduced.
    Type: Grant
    Filed: October 25, 2012
    Date of Patent: June 11, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Ho Oh, Yoon-Hyeung Cho, Yong-Tak Kim, So-Young Lee, Sang-Hwan Cho, Byoung-Duk Lee, Sun-Young Jung, Yun-Ah Chung, Soo-Youn Kim, Dong-Jin Kim, Ji-Young Moon, Seung-Yong Song, Jong-Hyuk Lee
  • Patent number: 8421326
    Abstract: An electrode including metal oxides and a plurality of 12CaO.7Al2O3 particles, a method of preparing the electrode, an electronic device including the electrode, and, in particular, an organic light emitting device including the electrode. The electrode has low resistance, high optical transmittance, and a low work function.
    Type: Grant
    Filed: February 11, 2009
    Date of Patent: April 16, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won-Jong Kim, Yong-Tak Kim, Jong-Hyuk Lee, Dae-Ho Yoon, Seok-Gyu Yoon, Hosono Hideo
  • Patent number: 8415874
    Abstract: An organic light-emitting device including: a substrate; a first electrode disposed on the substrate; a second electrode disposed on the substrate and comprising silver (Ag); an emission layer between the first electrode and the second electrode; an electron injection layer between the emission layer and the second electrode and comprising a mixture of an alkali metal-containing compound and a first metal; and a capping layer disposed on the second electrode.
    Type: Grant
    Filed: March 8, 2011
    Date of Patent: April 9, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyung-Jun Song, Kyu-Hwan Hwang, Chang-Ho Lee, Hee-Joo Ko, Seok-Gyu Yoon, II-Soo Oh, Se-Jin Cho, Jin-Young Yun, Jong-Hyuk Lee, Yong-Tak Kim, Won-Jung Kim