Patents by Inventor Sang-Hee Choi

Sang-Hee Choi 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: 11072155
    Abstract: A laminating apparatus and method of fabricating a display device are provided. According to an exemplary embodiment of the present disclosure, the laminating apparatus includes a first jig, which is configured to fix a window having curved surfaces, and a second jig, which includes a pressure pad facing the first jig. The pressure pad includes a top surface, which is convex toward the first jig, and depressed portions, which are inwardly depressed from side surfaces, respectively.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: July 27, 2021
    Inventors: Sang Hee Choi, Yang Han Son, So Hyun Kim
  • Patent number: 10675849
    Abstract: A method of laminating includes a step of preparing each of a first jig to fix a window, and a second jig including a shape pad, in which the second jig faces the first jig, and the shape pad includes each of a top surface protruding toward the first jig, sides surrounding the top surface, and at least one incision pattern, which is inwardly recessed from at least one of the sides of the shape pad and extends toward the first jig. The method further includes a step of bonding the window and the panel by applying pressure to the panel with the shape pad.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: June 9, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: So Hyun Kim, Yang Han Son, Sang Hee Choi
  • Publication number: 20200130340
    Abstract: A laminating apparatus and method of fabricating a display device are provided. According to an exemplary embodiment of the present disclosure, the laminating apparatus includes a first jig, which is configured to fix a window having curved surfaces, and a second jig, which includes a pressure pad facing the first jig. The pressure pad includes a top surface, which is convex toward the first jig, and depressed portions, which are inwardly depressed from side surfaces, respectively.
    Type: Application
    Filed: December 30, 2019
    Publication date: April 30, 2020
    Inventors: Sang Hee CHOI, Yang Han SON, So Hyun KIM
  • Patent number: 10518515
    Abstract: A laminating apparatus and method of fabricating a display device are provided. According to an exemplary embodiment of the present disclosure, the laminating apparatus includes a first jig, which is configured to fix a window having curved surfaces, and a second jig, which includes a pressure pad facing the first jig. The pressure pad includes a top surface, which is convex toward the first jig, and depressed portions, which are inwardly depressed from side surfaces, respectively.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: December 31, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Hee Choi, Yang Han Son, So Hyun Kim
  • Publication number: 20190329540
    Abstract: A method of manufacturing a display device includes: preparing a cover window including a bent part on a side surface thereof, and a guide film including a surface on which a display panel and an adhesive layer are arranged; arranging the cover window and the guide film in a face-to-face manner such that the adhesive layer faces the cover window; seating the guide film onto a seating pad of a first jig; pre-forming the display panel by bringing opposite ends of the guide film into close contact with opposite side surfaces of the seating pad using a pair of push members; and joining the display panel with the cover window by bringing the adhesive layer into contact with the cover window.
    Type: Application
    Filed: April 9, 2019
    Publication date: October 31, 2019
    Inventors: So Hyun KIM, Yang Han SON, Sang Sik CHO, Sang Hee CHOI
  • Patent number: 10335981
    Abstract: A display apparatus includes a first substrate including a display region and a peripheral region, where the peripheral region surrounds the display region, a second substrate disposed opposite to the first substrate, a resin layer disposed between the first substrate and the second substrate, where the resin layer covers a surface of the second substrate, a first member disposed at a bottom surface of the second substrate corresponding to the peripheral region of the first substrate, where the first member covers a portion of the resin layer, and a second member which surrounds the first substrate, the second substrate, the first member and the resin layer, where the second member is disposed at opposing side portions of the second substrate, the second member is spaced apart from the first substrate, and the second member surrounds opposing side portions of the resin layer.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: July 2, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyu-Ho Jung, Young-In Lim, Jun-Ho Kwack, Sang-Hee Choi
  • Publication number: 20180134022
    Abstract: A laminating apparatus includes a first jig to fix a window, and a second jig including a shape pad, the second jig facing the first jig, and the shape pad including a top surface protruding toward the first jig, sides surrounding the top surface, and at least one incision pattern, which is inwardly recessed from one of the sides of the shape pad and extends toward the first jig.
    Type: Application
    Filed: August 16, 2017
    Publication date: May 17, 2018
    Inventors: So Hyun KIM, Yang Han SON, Sang Hee CHOI
  • Publication number: 20180056638
    Abstract: A laminating apparatus and method of fabricating a display device are provided. According to an exemplary embodiment of the present disclosure, the laminating apparatus includes a first jig, which is configured to fix a window having curved surfaces, and a second jig, which includes a pressure pad facing the first jig. The pressure pad includes a top surface, which is convex toward the first jig, and depressed portions, which are inwardly depressed from side surfaces, respectively.
    Type: Application
    Filed: August 29, 2017
    Publication date: March 1, 2018
    Inventors: Sang Hee CHOI, Yang Han SON, So Hyun KIM
  • Patent number: 9626897
    Abstract: An organic light emitting diode (OLED) display device includes a display panel that has a plurality of signal lines and a plurality of pixels to display an image, a cover window that is positioned at the outside of a display surface of the display panel, and an adhesive layer that is positioned between the display surface and the cover window. One of the display panel and the cover window forms a concave channel in at least one corner, and the adhesive layer fills the channel.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: April 18, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young-In Lim, Kyu-Ho Jung, Sang-Hee Choi
  • Patent number: 9590407
    Abstract: A device for removing ice and snow from a power transmission line includes a support member installed on the power transmission line, and a vibrator that is provided for the support member and applies vibrations to the power transmission line so as to remove the ice and the snow attached to the power transmission line.
    Type: Grant
    Filed: May 23, 2014
    Date of Patent: March 7, 2017
    Assignee: KOREA ELECTRIC POWER CORPORATION
    Inventors: Young Ki Kim, Seung Hoon Lee, Sang Hee Choi, Bum Young Kang, Hyun Jong Jung
  • Patent number: 9399239
    Abstract: A slit nozzle of a liquid coating apparatus which discharges a liquid on a substrate, the slit nozzle includes a first nozzle part, a shim having an outlet configured to discharge the liquid and a second nozzle part facing the first nozzle part with the shim interposed therebetween. At least one of the first nozzle part and the second nozzle part has a sloping portion to prevent the discharged liquid from adhering to the slit nozzle.
    Type: Grant
    Filed: August 5, 2014
    Date of Patent: July 26, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young-In Lim, Kyu-Ho Jung, Sang-Hee Choi
  • Patent number: 9337433
    Abstract: A method of manufacturing a flexible display device includes a first step of providing a three-dimensional cover window having a flat portion, and a curved portion that is bent in a third direction intersecting a first direction of the flat portion while extending to a second direction intersecting the first direction at both sides of the first direction, and a second step of attaching by a line contact at least one of an adhesive film, a touch panel, and a flexible display panel that are stacked at an inner surface of the cover window.
    Type: Grant
    Filed: November 14, 2013
    Date of Patent: May 10, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young-In Lim, Kyu-Ho Jung, Sang-Hee Choi
  • Patent number: 9287334
    Abstract: An organic light emitting diode display includes a display panel including a display area to which a touch screen panel is attached and a pad area in which a metal wire is formed; a cover window on one side of the display panel; a resin layer between the display panel and the cover window; and a touch screen circuit film in the pad area and connected to the touch screen panel, at least one of the touch screen circuit film and the metal wire including an ultraviolet ray transmitter configured to increase a hardening degree of the resin layer in the pad area.
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: March 15, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyu-Ho Jung, Sang-Hee Choi
  • Publication number: 20150075424
    Abstract: A slit nozzle of a liquid coating apparatus which discharges a liquid on a substrate, the slit nozzle includes a first nozzle part, a shim having an outlet configured to discharge the liquid and a second nozzle part facing the first nozzle part with the shim interposed therebetween. At least one of the first nozzle part and the second nozzle part has a sloping portion to prevent the discharged liquid from adhering to the slit nozzle.
    Type: Application
    Filed: August 5, 2014
    Publication date: March 19, 2015
    Inventors: Young-In Lim, Kyu-Ho Jung, Sang-Hee Choi
  • Publication number: 20150059114
    Abstract: A device for removing ice and snow from a power transmission line includes a support member installed on the power transmission line, and a vibrator that is provided for the support member and applies vibrations to the power transmission line so as to remove the ice and the snow attached to the power transmission line.
    Type: Application
    Filed: May 23, 2014
    Publication date: March 5, 2015
    Applicant: KOREA ELECTRIC POWER CORPORATION
    Inventors: Young Ki KIM, Seung Hoon LEE, Sang Hee CHOI, Bum Young KANG, Hyun Jong JUNG
  • Publication number: 20150030799
    Abstract: A display apparatus includes a first substrate including a display region and a peripheral region, where the peripheral region surrounds the display region, a second substrate disposed opposite to the first substrate, a resin layer disposed between the first substrate and the second substrate, where the resin layer covers a surface of the second substrate, a first member disposed at a bottom surface of the second substrate corresponding to the peripheral region of the first substrate, where the first member covers a portion of the resin layer, and a second member which surrounds the first substrate, the second substrate, the first member and the resin layer, where the second member is disposed at opposing side portions of the second substrate, the second member is spaced apart from the first substrate, and the second member surrounds opposing side portions of the resin layer.
    Type: Application
    Filed: July 16, 2014
    Publication date: January 29, 2015
    Inventors: Kyu-Ho JUNG, Young-In LIM, Jun-Ho KWACK, Sang-Hee CHOI
  • Publication number: 20140376122
    Abstract: A flat panel display device includes a window, a mold, a black matrix, a display panel and a resin layer. The window has a connecting part and a transmission part through which light may pass. The mold is coupled to the connecting part of the window. The black matrix is disposed under the connecting part of the window, and the black matrix blocks light which is leaked from the mold. The display panel is disposed under the window. The display panel includes a first substrate and a second substrate, which is disposed opposite to the first substrate. The display panel further includes a polarizer which is disposed on the first substrate. The resin layer is disposed between the window and the display panel, and the resin layer is hardened by ultraviolet ray.
    Type: Application
    Filed: May 23, 2014
    Publication date: December 25, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: YOUNG-IN LIM, KYU-HO JUNG, JUN-HO KWACK, SANG-HEE CHOI
  • Publication number: 20140360662
    Abstract: An apparatus and system for bonding substrates are presented. The apparatus includes a base member formed of an insulating material and an electric field generation part formed of a conductive material. The electric field generation part extends into the base member. The electric field generation part includes a trunk part and a branch part. The trunk part extends in a first direction. The branch part extends from the trunk part in a direction different from the first direction. A substrate is fixed on the base member. An adhesive is applied on the substrate in a shape that matches that of the electric field generation part. An electric field is generated using the electric field generation part and the substrate is bonded to another substrate. The apparatus prevents or reduces formation of air bubbles in the adhesive. A method of manufacturing a display device is also presented.
    Type: Application
    Filed: April 7, 2014
    Publication date: December 11, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Young In LIM, Kyu Ho JUNG, Sang Hee CHOI
  • Publication number: 20140167010
    Abstract: An organic light emitting diode display includes a display panel including a display area to which a touch screen panel is attached and a pad area in which a metal wire is formed; a cover window on one side of the display panel; a resin layer between the display panel and the cover window; and a touch screen circuit film in the pad area and connected to the touch screen panel, at least one of the touch screen circuit film and the metal wire including an ultraviolet ray transmitter configured to increase a hardening degree of the resin layer in the pad area.
    Type: Application
    Filed: December 11, 2013
    Publication date: June 19, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Kyu-Ho JUNG, Sang-Hee CHOI
  • Publication number: 20140138009
    Abstract: A method of manufacturing a flexible display device includes a first step of providing a three-dimensional cover window having a flat portion, and a curved portion that is bent in a third direction intersecting a first direction of the flat portion while extending to a second direction intersecting the first direction at both sides of the first direction, and a second step of attaching by a line contact at least one of an adhesive film, a touch panel, and a flexible display panel that are stacked at an inner surface of the cover window.
    Type: Application
    Filed: November 14, 2013
    Publication date: May 22, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Young-In LIM, Kyu-Ho JUNG, Sang-Hee CHOI