Patents by Inventor Dong-un Jin

Dong-un Jin 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: 8508125
    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: Grant
    Filed: September 24, 2010
    Date of Patent: August 13, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Denis Stryakhilev, Tae-Woong Kim, Jae-Seob Lee, Young-Shin Pyo, Dong-Un Jin, Dong-Beom Lee
  • Patent number: 8491955
    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: Grant
    Filed: November 17, 2009
    Date of Patent: July 23, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae-Woong Kim, Dong-Un Jin, Hyun-Joong Chung, Jae-Seob Lee, Yeon-Gon Mo
  • Patent number: 8471466
    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: Grant
    Filed: August 31, 2010
    Date of Patent: June 25, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Joon Seo, Dong-Un Jin, Kie Hyun Nam, Tae-Woong Kim, Young-Gu Kim, Sung-Guk An
  • Patent number: 8465992
    Abstract: A method of manufacturing a flexible display device is provided. The method includes: preparing a first flexible substrate on which a display unit is formed; forming an encapsulation unit including a base substrate, a second flexible substrate formed on the base substrate, and a barrier layer formed on the second flexible substrate; combining the encapsulation unit with the display unit; and separating the base substrate from the second flexible substrate by using a difference between a coefficient of thermal expansion of the base substrate and a coefficient of thermal expansion of the second flexible substrate, by applying a heated solution between the base substrate and the second flexible substrate. The flexible display device is easily manufactured since the base substrate and the second flexible substrate, which have different coefficients of thermal expansion and are coupled to each other, are separable from each other by applying the heated solution.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: June 18, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Hun Kim, Hoon-Kee Min, Dong-Un Jin, Sang-Joon Seo, Sung-Guk An, Young-Gu Kim, Hyung-Sik Kim, Young-Ji Kim
  • Patent number: 8399274
    Abstract: An organic light emitting display is disclosed. The display has a pixel which includes a transistor and a capacitor. The active layer of the transistor and at least one of the electrodes of the capacitor comprise a semiconductor oxide.
    Type: Grant
    Filed: July 9, 2010
    Date of Patent: March 19, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ki-Nyeng Kang, Young-Shin Pyo, Dong-Un Jin
  • Publication number: 20130002583
    Abstract: A flexible display panel including: a flexible panel including a first region including a display region and oriented on a first plane and a second region including a non-display region and oriented on a second plane different from the first plane; and a flexible encapsulation member disposed on the flexible panel so as to encapsulate at least the display region.
    Type: Application
    Filed: June 27, 2012
    Publication date: January 3, 2013
    Inventors: Dong-Un Jin, Woo-Jong Lee, Yang-Wan Kim, Young-Sik Kim, Jun-Sang Lyu, Sang-Min Kim
  • Publication number: 20130002572
    Abstract: A flexible display panel includes a flexible substrate including a first region including a display region and having a curved display surface, and a plurality of non-display regions that is located outside the display region and including a second region located outside the first region and folded in a direction different from a display direction of the first region, and an encapsulation member for encapsulating the display region along the curved display surface.
    Type: Application
    Filed: February 6, 2012
    Publication date: January 3, 2013
    Inventors: Dong-Un Jin, Woo-Jong Lee, Yang-Wan Kim, Young-Sik Kim, Jun-Sang Lyu, Sang-Min Kim
  • Publication number: 20130002133
    Abstract: A flexible display panel including: a flexible substrate including a first region, second regions that extend from the first region and that have a curved surface, and a third region folded towards the second regions; a first display region in the first region of the flexible substrate; a second display region in the second regions of the flexible substrate; a plurality of non-display regions outside the first display region or the second display regions, wherein at least one of the plurality of non-display regions is in the third region of the flexible substrate; and an encapsulation member for encapsulating the first display region and the second display regions.
    Type: Application
    Filed: May 15, 2012
    Publication date: January 3, 2013
    Inventors: Dong-Un Jin, Woo-Jong Lee, Yang-Wan Kim, Young-Sik Kim, Jun-Sang Lyu, Sang-Min Kim
  • Patent number: 8283671
    Abstract: A thin film transistor, a method of fabricating the same, and an organic light emitting diode display device including the same, which allow a size of a grain of a channel region to be increased, can effectively protect the channel region of a semiconductor layer at the time of etching process, and can reduce processing cost. The thin film transistor includes a substrate, a gate electrode disposed on the substrate, a gate insulating layer disposed on the gate electrode, a semiconductor layer pattern disposed on the gate insulating layer and including a channel region, a source region and a drain region, an etch stop layer pattern disposed on the channel region of the semiconductor layer pattern and having a thickness of 20 to 60 nm, and source and drain electrodes disposed on the source and drain regions of the semiconductor layer pattern, respectively.
    Type: Grant
    Filed: May 20, 2009
    Date of Patent: October 9, 2012
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Eun-Hyun Kim, Jae-Seob Lee, Dong-Un Jin
  • Patent number: 8237165
    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: Grant
    Filed: June 4, 2010
    Date of Patent: August 7, 2012
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Tae-Woong Kim, Dong-un Jin, Dong-Bum Lee, Denis Stryakhilev
  • Patent number: 8221889
    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: Grant
    Filed: February 26, 2009
    Date of Patent: July 17, 2012
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Jae-Seob Lee, Dong-Un Jin, Yeon-Gon Mo, Tae-Woong Kim
  • Patent number: 8212247
    Abstract: An organic light emitting display includes data lines and scan lines intersecting each other, a scan driving unit for supplying a scan signal to the scan lines, a data driving unit for supplying a data signal to the data lines, and pixels defined at intersection points of the data and scan lines, each pixel having an organic light emitting diode, a first TFT with an inverted staggered top gate structure and connected to the organic light emitting diode, the first TFT including an oxide semiconductor as an active layer, and a second TFT with an inverted staggered bottom gate structure and configured to receive the scan signal from the scan lines, the second TFT including an oxide semiconductor as an active layer.
    Type: Grant
    Filed: January 22, 2010
    Date of Patent: July 3, 2012
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Ki-Nyeng Kang, Jae-Seob Lee, Dong-Un Jin
  • Patent number: 8211725
    Abstract: A method of manufacturing a flexible display device is disclosed. The method includes arranging a first substrate having a plurality of depression units, forming a first plastic film in each of the plurality of depression units, forming a thin film transistor (TFT) on the first plastic film, forming a display device on the TFT, where the display device is configured to be electrically connected to the TFT, encapsulating an upper portion of the display device, cutting the first substrate, and separating the first substrate from the first plastic film.
    Type: Grant
    Filed: March 4, 2011
    Date of Patent: July 3, 2012
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Yong-Hwan Park, Jae-Seob Lee, Moo-Jin Kim, Young-Shin Pyo, Sang-Joon Seo, Hoon-Kee Min, Dong-Un Jin
  • Publication number: 20120100647
    Abstract: A method of manufacturing a flexible display device is provided. The method includes: preparing a first flexible substrate on which a display unit is formed; forming an encapsulation unit including a base substrate, a second flexible substrate formed on the base substrate, and a barrier layer formed on the second flexible substrate; combining the encapsulation unit with the display unit; and separating the base substrate from the second flexible substrate by using a difference between a coefficient of thermal expansion of the base substrate and a coefficient of thermal expansion of the second flexible substrate, by applying a heated solution between the base substrate and the second flexible substrate. The flexible display device is easily manufactured since the base substrate and the second flexible substrate, which have different coefficients of thermal expansion and are coupled to each other, are separable from each other by applying the heated solution.
    Type: Application
    Filed: September 23, 2011
    Publication date: April 26, 2012
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Seung-Hun Kim, Hoon-Kee Min, Dong-Un Jin, Sang-Joon Seo, Sung-Guk An, Young-Gu Kim, Hyung-Sik Kim, Young-Ji Kim
  • Patent number: 8158979
    Abstract: An organic light emitting display is disclosed. The display comprises a transistor with an active layer comprising an oxide semiconductor material. The oxide semiconductor material has conductivity suitable for the transistor because of a diffusion path allowing hydrogen to escape from the active layer.
    Type: Grant
    Filed: July 9, 2010
    Date of Patent: April 17, 2012
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Ki-Nyeng Kang, Young-Shin Pyo, Dong-Un Jin
  • Patent number: 8119250
    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: Grant
    Filed: February 26, 2009
    Date of Patent: February 21, 2012
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Jae-Seob Lee, Dong-Un Jin, Yeon-Gon Mo, Tae-Woong Kim
  • Publication number: 20120034451
    Abstract: A substrate for a flexible display is disclosed. The substrate has a film stress range that does not affect an electronic device such as a thin film transistor, and includes a barrier layer having excellent oxygen and moisture blocking characteristics, and a method of manufacturing the substrate. The substrate includes: a plastic substrate having a glass transition temperature from about 350° C. to about 500° C.; and a barrier layer disposed on the plastic substrate, having a multi-layer structure, wherein at least one silicon oxide layer and at least one silicon nitride layer are alternately stacked on each other, and having a film stress from about ?200 MPa to about 200 MPa due to the at least one silicon oxide layer and the at least one silicon nitride layer.
    Type: Application
    Filed: April 14, 2011
    Publication date: February 9, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: SANG-JOON SEO, HOON-KEE MIN, DONG-UN JIN, SUNG-GUK AN
  • Publication number: 20110241013
    Abstract: A thin film transistor includes a polymer substrate having a weight loss of 0.95% or less at a temperature in the range of 400 to 600° C. A method of producing the thin film transistor includes forming a polymer substrate by forming a polymer layer and annealing the polymer layer at a temperature in the range of 150 to 550° C. A flexible display device includes the thin film transistor.
    Type: Application
    Filed: March 30, 2011
    Publication date: October 6, 2011
    Inventors: Sung-Guk An, Hyung-Sik Kim, Young-Gu Kim, Sang-Joon Seo, Tae-Woong Kim, Moo-Jin Kim, Dong-Un Jin
  • Publication number: 20110193067
    Abstract: An organic light-emitting device including a barrier layer that includes a silicon oxide layer and a silicon-rich silicon nitride layer. The organic light-emitting device includes a flexible substrate that includes a barrier layer and plastic films disposed under and over the barrier layer. The barrier layer includes a silicon-rich silicon nitride layer and a silicon oxide layer. The order in which the silicon-rich silicon nitride layer and the silicon oxide layer are stacked is not limited and the silicon oxide layer may be first formed and then the silicon-rich silicon nitride layer may be stacked on the silicon oxide layer. The silicon-rich silicon nitride layer has a refractive index of 1.81 to 1.85.
    Type: Application
    Filed: September 30, 2010
    Publication date: August 11, 2011
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Jae-Seob LEE, Dong-Un JIN
  • 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