Patents by Inventor Tae-Woong Kim

Tae-Woong 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: 20110156041
    Abstract: A polymer substrate having a weight loss of less than about 1% based on an initial weight at a temperature ranging from about 420° C. to about 600° C., a method for forming the polymer substrate, a display device including the polymer substrate, and a method for manufacturing the display device. The method for forming the polymer substrate includes preparing the polymer layer and performing an annealing process to the polymer layer at a temperature greater than about 350° C.
    Type: Application
    Filed: December 15, 2010
    Publication date: June 30, 2011
    Applicant: SAMSUNG MOBILE DISPLAY CO. LTD.
    Inventors: Sung-Guk An, Dong-Un Jin, Kie Hyun Nam, Sang-Joon Seo, Tae-Woong Kim, Jae-Seob Lee
  • Publication number: 20110156062
    Abstract: An organic light-emitting display device and a method of manufacturing the same. The organic light-emitting display device includes a first film formed of an inorganic material, a second film that is formed of an organic material and formed on the first film, and includes a first surface and a second surface facing each other and lateral surfaces at boundaries of the first surface and the second surface, with the first surface contacting the first film, a third film that is formed of an inorganic material and covers the second surface and lateral surfaces of the second film, with a first sealing region contacting the first film being formed at a boundary between the second film and the third film, an organic light-emitting unit that is disposed on the third film to overlap with the second film, and a fourth film that covers the organic light-emitting unit, with a second sealing region contacting the third film being formed at a boundary of the fourth film.
    Type: Application
    Filed: October 29, 2010
    Publication date: June 30, 2011
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Tae-Woong Kim, Sung-Guk An, Hyung-Sik Kim, Hyun-Woo Koo, Dong-Gun Jin, Sang-Joon Seo
  • Publication number: 20110148745
    Abstract: Provided is an organic light emitting display apparatus including a substrate, a thin film transistor disposed on the substrate and including an active layer, a gate electrode, a gate insulator, a source electrode and a drain electrode, a first electrode electrically connected to the source electrode or the drain electrode, a second electrode disposed to face the first electrode, and an intermediate layer including an organic emitting layer and disposed between the first electrode and the second electrode. The gate insulator is disposed to insulate the gate electrode and the active layer and includes a plurality of patterns spaced apart from each other.
    Type: Application
    Filed: September 24, 2010
    Publication date: June 23, 2011
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Denis Stryakhilev, Tae-Woong Kim, Jae-Seob Lee, Young-Shin Pyo, Dong-Un Jin, Dong-Beom Lee
  • Publication number: 20110134018
    Abstract: A method of manufacturing a flexible display apparatus, and more particularly, to a flexible display apparatus including a display unit including a thin-film transistor which is easily encapsulated. The method of manufacturing a flexible display apparatus includes: sequentially forming a first plastic film and a first barrier layer on a first substrate; forming a thin-film transistor on the first barrier layer; forming on the thin-film transistor a display device that is electrically connected to the thin-film transistor; forming an encapsulation member including a second substrate, a second plastic film, and a second barrier layer, wherein the second substrate and the second film are sequentially stacked on the second barrier layer; combining the encapsulation member with the upper portion of the display device; ablating the first substrate from the first plastic film; and ablating the second substrate from the second plastic film.
    Type: Application
    Filed: August 17, 2010
    Publication date: June 9, 2011
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Sang-Joon SEO, Dong-Un Jin, Kie-Hyun Nam, Tae-Woong Kim, Sung-Guk An, Jae-Seob Lee, Young-Gu Kim, Hyung-Sik Kim, Young-Shin Pyo, Jung-Ha Lee
  • Publication number: 20110108809
    Abstract: An organic light emitting diode display device includes a substrate body that is divided into a display area and a neighboring area; an organic light emitting diode formed in the display area of the substrate body; a barrier film that is attached to the substrate body and covers the organic light emitting diode; and an adhesive agent disposed between the neighboring area of the substrate body and the barrier film. In addition, a groove pattern is recessed on one surface of the barrier film that is in contact with the adhesive agent.
    Type: Application
    Filed: August 31, 2010
    Publication date: May 12, 2011
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Sang-Joon Seo, Dong-Un Jin, Kie Hyun Nam, Tae-Woong Kim, Young-Gu Kim, Sung-Guk An
  • Publication number: 20110052836
    Abstract: A flexible display comprises a flexible substrate made of plastic material, a display element on a first surface of the flexible substrate, and a surface residual film containing at least one of a metal material or a metal oxide material. The surface residual film is bonded to at least a part of a second surface of the flexible substrate. The second surface is opposed to the first surface. A method for manufacturing a flexible display comprises preparing a glass substrate, forming adhesive material film on the glass substrate, the adhesive material film being made of at least one of a metal material or a metal oxide material, and forming a flexible substrate from plastic material on the adhesive material film.
    Type: Application
    Filed: August 27, 2010
    Publication date: March 3, 2011
    Inventors: Tae-Woong KIM, Sung-Guk An, Dong-un Jin, Hyung-Sik Kim, Young-Gu Kim, Sang-Joon Seo
  • Patent number: 7854795
    Abstract: The present invention relates to a non-adhesive coating composition, including: 100 parts by weight of colloidal silica sol; 5˜60 parts by weight of hexagonal boron nitride (hBN) serving as a filler; 60˜120 parts by weight of alkoxysilane; 40˜130 parts by weight of alcohol; and 0.5˜3.0 parts by weight of a catalyst.
    Type: Grant
    Filed: July 22, 2009
    Date of Patent: December 21, 2010
    Inventor: Tae Woong Kim
  • Publication number: 20100308335
    Abstract: An organic light emitting diode (OLED) display and a method of manufacturing the same, the OLED display including a flexible substrate, a driving circuit unit on the flexible substrate, the driving circuit unit including a thin film transistor (TFT), an organic light emission element on the flexible substrate, the organic light emission element being connected to the driving circuit unit, an encapsulating thin film on the flexible substrate, the encapsulating thin film covering the organic light emission element and the driving circuit unit, a first protection film facing the encapsulating thin film, a second protection film facing the flexible substrate, a first sealant disposed between the encapsulating thin film and the first protection film, and a second sealant disposed between the flexible substrate and the second protection film.
    Type: Application
    Filed: June 4, 2010
    Publication date: December 9, 2010
    Inventors: Tae-Woong Kim, Dong-un Jin, Dong-Bum Lee, Denis Stryakhilev
  • Publication number: 20100242799
    Abstract: The present invention relates to a non-adhesive coating composition, including: 100 parts by weight of colloidal silica sol; 5˜60 parts by weight of hexagonal boron nitride (hBN) serving as a filler; 60˜120 parts by weight of alkoxysilane; 40˜130 parts by weight of alcohol; and 0.5˜3.0 parts by weight of a catalyst.
    Type: Application
    Filed: July 22, 2009
    Publication date: September 30, 2010
    Inventor: Tae Woong Kim
  • Publication number: 20100124635
    Abstract: A method of manufacturing an electronic apparatus including a plastic substrate, which can facilitate in separating the electronic apparatus including the plastic substrate from a stage, an electronic apparatus manufactured using the method, and an apparatus including the stage for use in the method. The method includes: preparing a stage on which a plurality of island-shaped separation lubricators are arranged; disposing the plastic substrate on the stage; forming a device on the plastic substrate; and separating the plastic substrate from the stage.
    Type: Application
    Filed: November 17, 2009
    Publication date: May 20, 2010
    Inventors: Tae-Woong Kim, Dong-Un Jin, Hyun-Joong Chung, Jae-Seob Lee, Yeon-Gon Mo
  • Publication number: 20090298211
    Abstract: A method for manufacturing a flexible display is provided. A sacrificial layer is formed on a substrate support, the sacrificial layer having an absorptivity of 1 E+02 to 1 E+06 cm?1 as a function of the wavelength of a laser. A flexible substrate is formed on the sacrificial layer. A device is formed on the flexible substrate. Laser irradiating is performed on a rear of the substrate support for detaching the sacrificial layer from the flexible substrate.
    Type: Application
    Filed: March 4, 2009
    Publication date: December 3, 2009
    Inventors: Tae-Woong Kim, Dong-Un Jin, Hyung-Sik Kim, Hyun-Woo Koo, Hyun-Chul Lee, Yeon-Gon Mo
  • Publication number: 20090256154
    Abstract: A flexible substrate for a TFT includes a metal substrate having a predetermined coefficient of thermal expansion, and a buffer layer on the metal substrate, the buffer layer including a silicon oxide or a silicon nitride, wherein the predetermined coefficient of thermal expansion of the metal substrate satisfies an equation as follows, ? f + 0.162 × ( 1 - v f ) E f ? ? s ? ? f + 0.889 × ( 1 - v f ) E f Ef representing Young's modulus of the buffer layer, vf representing Poisson's ratio of the buffer layer, ?f representing a coefficient of thermal expansion of the buffer layer, and ?s representing the predetermined coefficient of thermal expansion of the metal substrate.
    Type: Application
    Filed: February 26, 2009
    Publication date: October 15, 2009
    Inventors: Jae-Seob Lee, Dong-Un Jin, Yeon-Gon Mo, Tae-Woong Kim
  • Publication number: 20090139509
    Abstract: The present invention relates to a cutting tip for a cutting tool, which is used in cutting or drilling a brittle workpiece such as stone, bricks, concrete, and asphalt and has an excellent cutting speed and a long lifetime, a method of manufacturing the cutting tip, and a cutting tool including the cutting tip. The cutting tip includes an abrasive material and a sintered bonding material, wherein the bonding material is formed of a metal matrix; the metal matrix includes a phase UI and/or pore having a certain size at a certain volume fraction; and the phase II is one of a non-metallic inclusion and ceramic. According to an aspect of the present invention, there is provided a cutting tip having excellent cutting speed and a long lifetime at a much lower price.
    Type: Application
    Filed: February 23, 2007
    Publication date: June 4, 2009
    Inventors: Tae-Woong Kim, Joong-Cheul Yun, Young-Choul Song, Sang-Beom Kim, Jung-Nam Park, Suk-Hyun Yoo, Tae-Bong Kim
  • Publication number: 20090021157
    Abstract: An organic light emitting display includes a substrate, an organic light emitting device on the substrate, the organic light emitting device including a first electrode, an organic emitting layer, and a second electrode, a UV light shielding layer having at least two layers, each layer absorbing different wavelengths of UV light, and an encapsulation layer sealing the organic light emitting device.
    Type: Application
    Filed: June 24, 2008
    Publication date: January 22, 2009
    Inventors: Tae-Woong Kim, Kyu-Sung Lee, Hyo-Jin Kim
  • Publication number: 20080164808
    Abstract: An organic light emitting display device and a manufacturing method of forming an inorganic layer formed on the top of the sealing film with nitride are disclosed. In one embodiment, the organic light emitting display device includes: i) a substrate on which at least one organic light emitting diode is formed and ii) a sealing film stacked with at least one organic film and inorganic film and sealing the organic light emitting diode, wherein the top of the sealing film is formed of an inorganic film formed of nitride.
    Type: Application
    Filed: July 19, 2007
    Publication date: July 10, 2008
    Inventors: Tae-woong Kim, Kyu-sung Lee, Jin-ho Kwack, Dong-un Jin, Yeon-gon Mo
  • Publication number: 20070016920
    Abstract: A channel-switching apparatus and method in a digital broadcasting system omits conditional access control in logical channel-switching in one physical channel from processes that are executed for channel-switching in a digital broadcasting system, thereby reducing channel-switching time.
    Type: Application
    Filed: May 30, 2006
    Publication date: January 18, 2007
    Inventors: Jae-Jin Shin, Sung-Kwon Park, Hong-Ik Kim, Tae-Woong Kim, Su-Kyung Kim, Joon-Soon Im
  • Publication number: 20070006257
    Abstract: A channel changing apparatus and method in a digital broadcasting system can reduce channel changing time by including a plurality of broadcast programs in one logical channel, and in response to channel changing, selectively displaying a corresponding program in the logical channel.
    Type: Application
    Filed: April 5, 2006
    Publication date: January 4, 2007
    Inventors: Jae-Jin Shin, Sung-Kwon Park, Hong-Ik Kim, Tae-Woong Kim, Su-Kyung Kim, Joon-Soon Im
  • Patent number: 6677724
    Abstract: Initial magnetic pole estimating apparatus for an AC synchronous motor equipped in an AC synchronous motor controller, which has a speed gain control unit, mode section determining means, first command torque calculating means for selecting a first or a second cyclic section in accordance with the result in the mode section determining means, and determining whether or not a command speed is in a data acquisition speed section when the first cyclic section is selected, and calculating first command torque data from a command torque in the data acquisition speed section, second command torque calculating means for determining whether or not the command speed is in the data acquisition speed section when the second cyclic section is selected, and calculating second command torque data from the command torque in the data acquisition speed section, and estimated initial magnetic pole calculating means for calculating an estimated initial magnetic pole position using information on the first command torque data an
    Type: Grant
    Filed: March 15, 2002
    Date of Patent: January 13, 2004
    Assignee: Kabushiki Kaisha Yaskawa Denki
    Inventors: Tae-Woong Kim, Junichi Watanabe