Patents by Inventor Jin Hwan Choi

Jin Hwan 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).

  • Publication number: 20180011517
    Abstract: A rollable display device includes a rollable structure including a plurality of unit structures, the rollable structure being rollable and unrollable based on the unit structures, and a display panel structure attached to the rollable structure, wherein respective widths of the unit structures increase in a direction from a first side of the rollable structure to a second side of the rollable structure, the first side of the rollable structure being opposite to the second side of the rollable structure, and wherein each of the unit structures includes a metal plate, the metal plate being bent by a bending limit angle in a direction in which the rollable structure is rolled, and a magnetic object on a side region of the metal plate, the magnetic object being magnetically coupled to an adjacent metal plate.
    Type: Application
    Filed: June 30, 2017
    Publication date: January 11, 2018
    Inventors: Jin-Hwan CHOI, Hyun-Woo KOO, Jeong-Ho KIM, Tae-Woong KIM, Bo-Ik PARK, Tae-An SEO, Jung-Hun LEE, Hayk KHACHATRYAN
  • Publication number: 20180014415
    Abstract: A rollable display device includes a roller, a display panel configured to be wound around the roller in a wound-up configuration and to display an image in an unwound configuration, a housing configured to house the display panel in the wound-up configuration and the roller, and a roller controller connected to the roller and configured to change a radius of the roller.
    Type: Application
    Filed: June 19, 2017
    Publication date: January 11, 2018
    Inventors: JIN HWAN CHOI, Sun Ho Kim, Jeong Ho Kim, Bo Ik Park, Tae An Seo, Jung Hun Lee
  • Publication number: 20180014414
    Abstract: A display device including: a display panel configured to display an image; and a winder configured to fix a first end portion of the display panel thereinto, wherein the winder includes a first fixing portion including a first external surface which is curved, and a second fixing portion that includes a second external surface which is curved and that faces the first external surface, wherein the first end portion of the display panel may be interposed between the first external surface and the second external surface.
    Type: Application
    Filed: June 19, 2017
    Publication date: January 11, 2018
    Inventors: MIN-SUNG KIM, TAE AN SEO, JUNG HUN LEE, JIN HWAN CHOI
  • Publication number: 20180011510
    Abstract: A rollable display device includes a rollable structure including a plurality of unit structures, a display panel structure attached to the rollable structure, and a plurality of magnetic objects on a bezel region of the rollable structure, wherein respective widths of the unit structures increase in a direction from a first side of the rollable structure to a second side of the rollable structure, wherein the unit structures collectively form first through (n)th rolling cycles, as the rollable structure is rolled, and a (k)th rolling cycle encircles a (k?1)th rolling cycle, and wherein the plurality of magnetic objects aligns the (k)th rolling cycle with the (k?1)th rolling cycle by causing a magnetic attraction between the (k)th rolling cycle and the (k?1)th rolling cycle.
    Type: Application
    Filed: June 15, 2017
    Publication date: January 11, 2018
    Inventors: Jin-Hwan CHOI, Young-Seok SEO, Tae-An SEO, Jung-Hun LEE
  • Patent number: 9847250
    Abstract: A flexible display and method of manufacturing the same are disclosed. In one aspect, the display includes a flexible substrate having a bending area and a non-bending area and a plurality of metal wirings formed over the flexible substrate in the bending area and the non-bending area. Each of the metal wirings which are formed in the bending area includes a pair of first hard wirings formed over the flexible substrate and a first soft wiring electrically connected to ends of the pair of first hard wirings.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: December 19, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae An Seo, Tae Woong Kim, Seong Min Wang, Jin Hwan Choi
  • Publication number: 20170359910
    Abstract: A rollable display device includes: a panel support including a plurality of support bars arranged in a direction and a plurality of flexible coupling portions between support bars of the plurality of support bars and coupling the plurality of support bars together; and a flexible display panel fixed to respective front sides of support bars of the plurality of support bars, and the plurality of support bars includes a first support bar that is spaced apart from an outermost support bar of the plurality of support bars, and the first support bar includes a pair of first holding bars that are spreadable toward an outside from a rear side of the first support bar.
    Type: Application
    Filed: May 24, 2017
    Publication date: December 14, 2017
    Inventors: Tae An Seo, Min-Sung Kim, Bo Ik Park, Jung Hun Lee, Jin Hwan Choi
  • Patent number: 9837482
    Abstract: A display device is disclosed. In one aspect, the display device includes a substrate and a plurality of scan lines formed over the substrate and separated from each other in a first direction. The scan lines extend in a second direction crossing the first direction. The display device also includes a stress compensation layer positioned between adjacent ones of the scan lines.
    Type: Grant
    Filed: June 9, 2016
    Date of Patent: December 5, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae An Seo, Bo Ik Park, Jin Hwan Choi
  • Publication number: 20170332478
    Abstract: A rollable display device includes a rollable structure including a plurality of unit structures, the rollable structure being configured to be rolled and unrolled based on the unit structures, and a display panel structure attached to the rollable structure, wherein respective widths of the unit structures increase in a first direction from a first side of the rollable structure to an opposite second side of the rollable structure.
    Type: Application
    Filed: October 20, 2016
    Publication date: November 16, 2017
    Inventors: Jin-Hwan Choi, Min-Sung Kim, Tae-An Seo, Jung-Hun Lee
  • Publication number: 20170329567
    Abstract: A display device includes first and second display panel having respective first and second display areas to display an image, a first support portion to support the first display panel, the first support portion having a curved first end portion and being rotatable based on a first rotation shaft, and a second support portion to support the second display panel, the second support portion having a curved second end portion facing the first end portion, and the second support portion being rotatable based on a second rotation shaft parallel to the first rotation shaft. The first display area covers at least some of an outer surface of the first end portion of the first support portion, and the second display area covers at least some of an outer surface of the second end portion of the second support portion.
    Type: Application
    Filed: May 10, 2017
    Publication date: November 16, 2017
    Inventors: Jin Hwan CHOI, Bo Ik PARK, Tae An SEO
  • Publication number: 20170325343
    Abstract: A display device includes a flexible display panel, a roller for winding the flexible display panel, an elastic holder fixed to an edge of the flexible display panel and having a side parallel to the edge of the flexible display panel, and a tension applier set disposed at opposite ends of the elastic holder for tensioning the elastic holder.
    Type: Application
    Filed: April 28, 2017
    Publication date: November 9, 2017
    Inventors: Tae An SEO, Jin Hwan CHOI, Jung Hun LEE
  • Patent number: 9751517
    Abstract: A brake control method for a hybrid electric vehicle including a control mode of a first interval to control regenerative brake of a motor may include sensing, by an Electronic Stability Control system controller (ESC ECU), a time when a wheel brake pressure detected by a pressure sensor of a wheel brake is ‘0’ after entering a control mode of a second interval, determining, by the ESC ECU, a pedal stroke in which the wheel brake pressure is ‘0’ from a ‘pedal stroke Vs wheel brake pressure’ map, changing and setting, by the ESC ECU, the pedal stroke in which the wheel brake pressure is ‘0’ to an upper threshold stroke value of a ‘pedal stroke Vs pressure’ map, and re-entering the control mode of the first interval, when the pedal stroke depending on the brake pedal operation decreases to the changed upper threshold stroke value or less.
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: September 5, 2017
    Assignee: Hyundai Motor Company
    Inventor: Jin Hwan Choi
  • Patent number: 9753503
    Abstract: A data processing apparatus includes an electronic device configured to store data and instructions; a memory card; and a memory card socket in which the memory card is inserted. In certain disclosed systems and methods, the memory card socket includes: an insertion portion through which the memory card is inserted; a lock portion formed around an edge of the insertion portion, and that is configured to control attaching and detaching of the memory card based on instructions received from the electronic device; and a main body including the insertion portion and the lock portion and configured to accommodate the memory card via the insertion portion.
    Type: Grant
    Filed: August 14, 2015
    Date of Patent: September 5, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seok-Jae Han, Dong-Min Kim, Jin-Hwan Choi
  • Publication number: 20170229489
    Abstract: A display device includes a substrate including a first planarization region and a second planarization region inclined at a predetermined angle with respect to the first planarization region. A display device further includes a first wiring disposed in the second planarization region. A display device additionally includes a flexible film bonded with the substrate in the first planarization region and the second planarization region and connected to the first wiring in the second planarization region.
    Type: Application
    Filed: February 3, 2017
    Publication date: August 10, 2017
    Inventors: Tae An SEO, Jin Hwan Choi, Tae Woong Kim, Bo Ik Park, Ju Chan Park
  • Publication number: 20170200747
    Abstract: A TFT array panel of a display device includes a first substrate, a first electrode disposed on the first substrate, a first insulating layer including a first hole, the first insulating layer disposed on the first electrode, a second insulating layer disposed on the first insulating layer and including a second hole corresponding to the first hole, and a capping layer including a first inner portion, the capping layer disposed on an inner lateral surface forming the second hole, where an end portion of the first inner portion disposed in the second hole is separated from the first electrode.
    Type: Application
    Filed: December 28, 2016
    Publication date: July 13, 2017
    Inventors: Tae An Seo, Su Bin Bae, Yu-Gwang Jeong, Hyun Min Cho, Shin Il Choi, Jin Hwan Choi
  • Publication number: 20170157670
    Abstract: Disclosed is a method for manufacturing a metallic nanowire transparent electrode, including generating a metallic nanowire and chemically reducing the metallic nanowire to connect adjacent metallic nanowires.
    Type: Application
    Filed: March 31, 2016
    Publication date: June 8, 2017
    Inventors: Jin Hwan CHOI, Jung Yong LEE, Tae Woong KIM, Jae Ho AHN
  • Publication number: 20170117345
    Abstract: A display device is disclosed. In one aspect, the display device includes a substrate and a plurality of scan lines formed over the substrate and separated from each other in a first direction. The scan lines extend in a second direction crossing the first direction. The display device also includes a stress compensation layer positioned between adjacent ones of the scan lines.
    Type: Application
    Filed: June 9, 2016
    Publication date: April 27, 2017
    Inventors: Tae An Seo, Bo Ik Park, Jin Hwan Choi
  • Publication number: 20170104046
    Abstract: An organic light-emitting diode display is disclosed. In one aspect, the display includes a substrate having a flexible portion configured to bend or fold, a semiconductor positioned over the substrate, and a gate insulating layer positioned over the semiconductor and having an opening. The display also includes an interlayer insulating layer positioned over the gate insulating layer, a portion of the interlayer insulating layer positioned within the opening. The display further includes a gate electrode positioned between the gate insulating layer and the interlayer insulating layer and overlapping the semiconductor in the depth dimension of the OLED display. A source electrode and a drain electrode are positioned over the interlayer insulating layer and connected to the semiconductor.
    Type: Application
    Filed: September 2, 2016
    Publication date: April 13, 2017
    Inventors: Tae An Seo, Ju Chan Park, Jin Hwan Choi, Tae Woong Kim, Bo Ik Park, Young Gug Seol
  • Publication number: 20170083646
    Abstract: Provided is a modeling method including: executing a modeling program; performing a first modeling based on a plurality of entities by using the modeling program, wherein a first entity among the plurality of entities comprises a first parameter and a first value corresponding to the first parameter; parsing a header value, a parameter value, and a modification value corresponding to each field from a data table comprising a header field, a parameter field, and a modification field; modifying the first value of the first entity based on the extracted header value, parameter value, and modification value; and performing a second modeling based on the modified first entity.
    Type: Application
    Filed: August 21, 2016
    Publication date: March 23, 2017
    Inventors: Seong Ho YANG, Jin Hwan CHOI, Kyung Chun JANG, Sangtae KIM
  • Patent number: 9564590
    Abstract: A mask comprises a mask frame defining an opening; a plurality of support bars installed in the opening of the mask frame; a plurality of movable bars, each of which is installed over a corresponding one of the plurality of support bars and movable relative to the corresponding support bar, wherein the plurality of support bars and the plurality of movable bars are arranged to divide the opening into a plurality of mask holes; and a plurality of actuators installed between the plurality of movable bars and the corresponding support bars and configured to move the movable bars relative to the plurality of support bars.
    Type: Grant
    Filed: July 20, 2015
    Date of Patent: February 7, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae An Seo, Bo Ik Park, Ju Chan Park, Young Gug Seol, Pil Suk Lee, Jin Hwan Choi
  • Publication number: 20160343985
    Abstract: A display device is disclosed. In one aspect, the display device includes a substrate, a barrier layer formed over the substrate, and an emission layer formed over the barrier layer. The display device also includes a stress-absorbing layer contacting one of the substrate, the barrier layer, and the emission layer. The stress-absorbing layer has a structural density configured to partially vary based on an applied voltage.
    Type: Application
    Filed: January 11, 2016
    Publication date: November 24, 2016
    Inventors: Bo lk Park, Sun Ho Kim, Young Gug Seol, Jin Hwan Choi