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: 20220141968
    Abstract: A display device includes a display panel; a supporter disposed on a surface of the display panel; and an adhesive layer disposed between the supporter and the display panel, wherein the supporter includes metal layers spaced apart from each other; and a cushion layer surrounding the metal layers, the adhesive layer includes a first area overlapping the metal layers in a vertical direction to the display panel; and a second area not overlapping the metal layers in the vertical direction to the display panel, and a modulus of the second area of the adhesive layer is larger than a modulus of the first area of the adhesive layer.
    Type: Application
    Filed: August 10, 2021
    Publication date: May 5, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Dong Won CHOI, Beon Jin KIM, Jin Hwan CHOI, Tae Woong KIM, Jong Hwa LEE
  • Publication number: 20220007497
    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: September 17, 2021
    Publication date: January 6, 2022
    Inventors: Jin-Hwan Choi, Min-Sung Kim, Tae-An Seo, Jung-Hun Lee
  • Publication number: 20210391410
    Abstract: A display device includes: a flexible substrate; a plurality of conductive lines on the flexible substrate; a thin film transistor connected to the plurality of conductive lines; and an organic light emitting element connected to the thin film transistor. As a curvature of an area of the flexible substrate increases, a width or a thickness of each of the conductive lines increases.
    Type: Application
    Filed: August 27, 2021
    Publication date: December 16, 2021
    Inventors: Minsung KIM, Hyunwoo Koo, Tae Woong Kim, Jin Hwan Choi, Hayk Kachatryan
  • Publication number: 20210344350
    Abstract: A rollable display device includes a rollable display and a first protection film disposed on a first surface of the rollable display. The first protection film extends beyond a first display edge of the rollable display. The rollable display device further includes a second protection film disposed on a second surface of the rollable display facing the first surface of the rollable display. The second protection film extends beyond the first display edge of the rollable display. The rollable display device additionally includes a first adhesive layer disposed between the rollable display and the first protection film. The rollable display device further includes second adhesive layer disposed between the rollable display and the second protection film, and a first adhesion part disposed adjacent to the first display edge of the rollable display and between the first protection film and the second protection film.
    Type: Application
    Filed: July 19, 2021
    Publication date: November 4, 2021
    Inventors: TAE AN SEO, MIN-SUNG KIM, JUNG HUN LEE, JIN HWAN CHOI
  • Patent number: 11129274
    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: Grant
    Filed: May 1, 2020
    Date of Patent: September 21, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Hwan Choi, Min-Sung Kim, Tae-An Seo, Jung-Hun Lee
  • Publication number: 20210280097
    Abstract: A flexible display panel of an expandable display device includes a first side with a display unit, and a second side opposite to the first side. A bending guide includes an external guide that faces part of the first side and has a first curved side, and an internal guide that faces part of the second side and has a second curved side. A slider that slides on the bending guide is attached to, one end portion of the flexible display panel. A radius of the first curved side is greater than a radius of the second curved side. When the slider moves toward the bending guide, the first side contacts the first curved side and is bent by the first curved side, and when the slider moves away from the bending guide, the second side contacts the second curved side and is bent by the second curved side.
    Type: Application
    Filed: May 25, 2021
    Publication date: September 9, 2021
    Inventors: JUNG HUN LEE, SUN HO KIM, YOUNG-SEOK SEO, TAE AN SEO, JIN HWAN CHOI
  • Publication number: 20210274666
    Abstract: A display device includes a display module extending in a first direction, a supporting portion disposed under the display module and which supports a part of the display module, a first driving part connected to a first end of the display module to roll and unroll the display module, a connecting portion connected to a second end of the display module, and a second driving part connected to the connecting portion to roll and unroll the connecting portion. The second driving part unrolls the connecting portion when the first driving part rolls the display module, and the second driving part rolls the connecting portion when the first driving part unrolls the display module.
    Type: Application
    Filed: December 9, 2020
    Publication date: September 2, 2021
    Inventors: Jeongho KIM, HYUNGSIK KIM, Dongwon CHOI, JIN HWAN CHOI, HAYK KHACHATRYAN
  • Publication number: 20210272486
    Abstract: A display apparatus according to an embodiment of the present invention includes a display unit having flexibility, at least one roller extending in a first direction to wind or unwind the display unit, a plurality of joints extending along an edge region of the display unit, and a housing in which the display unit, the roller, and the joints are accommodated and into/from which the display unit and the joints are inserted and withdrawn, wherein the display unit includes a display panel having flexibility and in which a display area displaying an image is changed as the display unit is wound around or unwound from the roller, a protective film disposed above the display panel, and a support panel disposed below the display panel.
    Type: Application
    Filed: October 19, 2018
    Publication date: September 2, 2021
    Inventors: Hayk KHACHATRYAN, Hyunwoo KOO, Taewoong KIM, Jeongho KIM, Hyungsik KIM, Dongwon CHOI, Jin Hwan CHOI
  • Patent number: 11107874
    Abstract: A display device includes: a flexible substrate; a plurality of conductive lines on the flexible substrate; a thin film transistor connected to the plurality of conductive lines; and an organic light emitting element connected to the thin film transistor. As a curvature of an area of the flexible substrate increases, a width or a thickness of each of the conductive lines increases.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: August 31, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Minsung Kim, Hyunwoo Koo, Tae Woong Kim, Jin Hwan Choi, Hayk Kachatryan
  • Patent number: 11088700
    Abstract: A rollable display device includes a rollable display and a first protection film disposed on a first surface of the rollable display. The first protection film extends beyond a first display edge of the rollable display. The rollable display device further includes a second protection film disposed on a second surface of the rollable display facing the first surface of the rollable display. The second protection film extends beyond the first display edge of the rollable display. The rollable display device additionally includes a first adhesive layer disposed between the rollable display and the first protection film. The rollable display device further includes second adhesive layer disposed between the rollable display and the second protection film, and a first adhesion part disposed adjacent to the first display edge of the rollable display and between the first protection film and the second protection film.
    Type: Grant
    Filed: May 21, 2020
    Date of Patent: August 10, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Tae An Seo, Min-Sung Kim, Jung Hun Lee, Jin Hwan Choi
  • Patent number: 11056025
    Abstract: A flexible display panel of a display device includes a first side with a display unit, and a second side opposite to the first side. A bending guide includes an external guide that faces part of the first side and has a first curved side, and an internal guide that faces part of the second side and has a second curved side. A slider that slides on the bending guide is attached to one end portion of the flexible display panel. A radius of the first curved side is greater than a radius of the second curved side. When the slider moves toward the bending guide, the first side contacts the first curved side and is bent by the first curved side, and when the slider moves away from the bending guide, the second side contacts the second curved side and is bent by the second curved side.
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: July 6, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jung Hun Lee, Sun Ho Kim, Young-Seok Seo, Tae An Seo, Jin Hwan Choi
  • Publication number: 20210195766
    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: February 18, 2021
    Publication date: June 24, 2021
    Inventors: MIN-SUNG KIM, TAE AN SEO, JUNG HUN LEE, JIN HWAN CHOI
  • Patent number: 10932375
    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: Grant
    Filed: September 27, 2019
    Date of Patent: February 23, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Min-Sung Kim, Tae An Seo, Jung Hun Lee, Jin Hwan Choi
  • Publication number: 20210011869
    Abstract: Provided is a semiconductor device and a semiconductor system. A semiconductor device can include a command priority policy manager circuit which generates command priority policy information including a command priority compliance policy for a command directed to a device. A host interface circuit can be coupled to the command priority policy manager circuit to receive the command priority policy information from the command priority policy manager circuit, where the host interface circuit operable to transmit the command priority policy information via an electrical interface to the device.
    Type: Application
    Filed: September 28, 2020
    Publication date: January 14, 2021
    Inventors: DONG-MIN KIM, JEONG-WOO PARK, WOOK HAN JEONG, JIN HWAN CHOI
  • Patent number: 10863633
    Abstract: An exemplary embodiment provides a display device including: a display panel configured to include a first area, and a second area and a third area respectively disposed at opposite sides of the first area in a first direction; a first roller unit configured to wind the second area thereon; and a second roller unit configured to wind the third area of the display panel in an opposite direction to that of the first roller unit, wherein a distance between the first roller unit and the second roller unit which are separated from each other in the first direction can be adjusted.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: December 8, 2020
    Inventors: Jin Hwan Choi, Min-Sung Kim, Hyun Woo Koo, Jeong Ho Kim, Tae Woong Kim, Tae An Seo, Jung Hun Lee
  • Patent number: 10817445
    Abstract: Provided is a semiconductor device and a semiconductor system. A semiconductor device can include a command priority policy manager circuit which generates command priority policy information including a command priority compliance policy for a command directed to a device. A host interface circuit, can be coupled to the command priority policy manager circuit to receive the command priority policy information from the command priority policy manager circuit, where the host interface circuit operable to transmit the command priority policy information via an electrical interface to the device.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: October 27, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-Min Kim, Jeong-Woo Park, Wook Han Jeong, Jin Hwan Choi
  • Patent number: 10780494
    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: Grant
    Filed: March 31, 2016
    Date of Patent: September 22, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Hwan Choi, Jung Yong Lee, Tae Woong Kim, Jae Ho Ahn
  • Publication number: 20200287559
    Abstract: A rollable display device includes a rollable display and a first protection film disposed on a first surface of the rollable display. The first protection film extends beyond a first display edge of the rollable display. The rollable display device further includes a second protection film disposed on a second surface of the rollable display facing the first surface of the rollable display. The second protection film extends beyond the first display edge of the rollable display. The rollable display device additionally includes a first adhesive layer disposed between the rollable display and the first protection film. The rollable display device further includes second adhesive layer disposed between the rollable display and the second protection film, and a first adhesion part disposed adjacent to the first display edge of the rollable display and between the first protection film and the second protection film.
    Type: Application
    Filed: May 21, 2020
    Publication date: September 10, 2020
    Inventors: TAE AN SEO, Min-Sung Kim, Jung Hun Lee, Jin Hwan Choi
  • Publication number: 20200260569
    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: May 1, 2020
    Publication date: August 13, 2020
    Inventors: Jin-Hwan Choi, Min-Sung Kim, Tae-An Seo, Jung-Hun Lee
  • Patent number: 10721816
    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: Grant
    Filed: August 9, 2018
    Date of Patent: July 21, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Hwan Choi, Min-Sung Kim, Tae-An Seo, Jung-Hun Lee