Patents by Inventor Choon-Hyop Lee

Choon-Hyop Lee 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: 20210004135
    Abstract: A display device includes: a base substrate; a self-light emitting element on the base substrate; a thin film encapsulation layer on the self-light emitting element; a first sensing electrode on the thin film encapsulation layer and including an opening; a second sensing electrode on the thin film encapsulation layer and spaced apart from the first sensing electrode; a conductive pattern in the opening and spaced apart from the first sensing electrode; and a sensor controller configured to detect a change of a mutual capacitance between the first sensing electrode and the second sensing electrode in a first mode and configured to detect a change of a mutual capacitance between the conductive pattern and the first sensing electrode in a second mode different from the first mode.
    Type: Application
    Filed: June 19, 2020
    Publication date: January 7, 2021
    Inventors: Do Ik KIM, Kang Won LEE, Choon Hyop LEE
  • Publication number: 20200348779
    Abstract: A display device includes a display panel having a display portion. A window is disposed above the display portion. The window includes a display area, on which a screen is displayed by the display portion, and a non-display area, disposed around the display area. The non-display area of the window includes a sensing portion and a non-sensing portion. The non-display area of the window includes a first light shielding member. The sensing portion includes a first conductive layer and a second conductive layer stacked on the first conductive layer with the first light shielding member interposed therebetween.
    Type: Application
    Filed: July 20, 2020
    Publication date: November 5, 2020
    Inventors: CHOON HYOP LEE, GA YEON YUN
  • Patent number: 10795476
    Abstract: A touch sensor includes: a substrate having a flat area and a bent area bent from the flat area; a plurality of first sensing electrodes on the substrate and extending in a first direction; and a plurality of second sensing electrodes on the substrate and extending in a second direction crossing the first direction. The first sensing electrodes include a plurality of first sensing patterns arranged in the first direction and a plurality of first connecting patterns respectively connecting adjacent ones of first sensing patterns to each other, and the second sensing electrodes include a plurality of second sensing patterns arranged in the second direction. A first angle between a first one of the first connecting patterns in the flat area and the first direction is different from a second angle between a second one of the first connecting patterns in the bent area and the first direction.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: October 6, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Choon Hyop Lee, Ga Yeon Yun, Jeong Heon Lee
  • Publication number: 20200312918
    Abstract: A display panel includes: a printed circuit board disposed at one side of the display panel, the printed circuit board, having: a pattern portion including a surface, a first driving electrode and a first sensing electrode disposed on the first surface; and a cover portion facing the surface of the pattern portion and including a first pressure sensing layer overlapping the first driving electrode and the first sensing electrode.
    Type: Application
    Filed: March 23, 2020
    Publication date: October 1, 2020
    Inventors: Kang Won LEE, Choon Hyop LEE, Seung Hwan CHUNG, Sang Chul LEE
  • Publication number: 20200301541
    Abstract: A touch sensing device includes a base layer, a touch electrode layer, a first reinforcing member, and a touch circuit board. The base layer includes a main area and a protruding area protruding from the main area in a first direction. The touch electrode layer is disposed on a surface of the base layer. The first reinforcing member is disposed on a surface of the protruding area. The touch circuit board is electrically connected to the touch electrode layer. The protruding area includes a bending area and a pad area. The bending area is bent downward. The pad area extends from the bending area in the first direction and overlaps the base layer in a second direction intersecting the first direction in a bent state of the bending area. The touch circuit board is attached to the pad area.
    Type: Application
    Filed: December 9, 2019
    Publication date: September 24, 2020
    Inventors: Byeong Kyu JEON, Jeong Heon LEE, Chang Bum KIM, Jung Mok PARK, Hee Woong PARK, Sang Wook YOO, Young Seok YOO, Choon Hyop LEE
  • Patent number: 10782833
    Abstract: A display device includes a display panel configured to display an image. A window laces the display panel and includes a transparent display area configured to transmit the image displayed on the display panel therethrough. A non-display area at least partially surrounds the display area. A light-blocking pattern layer is disposed on the non-display area of the window. A touch member is disposed between the display panel and the window and includes a voltage line. A pressure sensing wiring is disposed between the touch member and the window and at least partially overlaps the voltage line. The voltage line and the pressure sensing wiring overlap the light-blocking pattern layer.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: September 22, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Choon Hyop Lee, Ga Yeon Yun, Jeong Heon Lee
  • Patent number: 10747380
    Abstract: A display device includes a display panel having a display portion. A window is disposed above the display portion. The window includes a display area, on which a screen is displayed by the display portion, and a non-display area, disposed around the display area. The non-display area of the window includes a sensing portion and a non-sensing portion. The non-display area of the window includes a first light shielding member. The sensing portion includes a first conductive layer and a second conductive layer stacked on the first conductive layer with the first light shielding member interposed therebetween.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: August 18, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Choon Hyop Lee, Ga Yeon Yun
  • Publication number: 20200241664
    Abstract: A touch sensor includes: a base layer; a plurality of first touch electrodes arranged on the base layer in a first direction; and at least one strain gauge disposed between the plurality of first touch electrodes, the at least one strain gauge configured to sense a pressure, wherein the plurality of first touch electrodes and the strain gauge are arranged on the same layer.
    Type: Application
    Filed: December 15, 2019
    Publication date: July 30, 2020
    Inventors: Choon Hyop LEE, Kang Won LEE, Sang Chul LEE, Seung Hwan CHUNG
  • Patent number: 10725218
    Abstract: A display device is provided. The display device includes an anti-reflection film. The anti-reflection film includes a base film, a retardation coating layer disposed on a first side of the base film so as to delay a phase of transmitted light, and a polarizer coating layer disposed on a second side of the base film so as to allow a polarization component of the transmitted light in a specific direction to pass through, wherein the retardation coating layer and the polarizer coating layer are formed by applying a liquid crystal on the base film.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: July 28, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Suk Choi, Sung Ku Kang, In Nam Lee, Heung Seok Go, Young Do Kim, Jeong Heon Lee, Choon-Hyop Lee, Young Kuil Joo
  • Patent number: 10705657
    Abstract: A touch panel, a display apparatus, and a method of manufacturing the touch panel. The touch panel includes a substrate, sense patterns disposed on the substrate and including a mesh type metal grid, and a transparent conductive layer patterned to correspond to each of the sense patterns and disposed to cover the metal grid.
    Type: Grant
    Filed: April 8, 2014
    Date of Patent: July 7, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Choon-Hyop Lee, Heung-Seok Go, Jang-Ung Park, Byeong-Wan An, In-Nam Lee, Young-Kuil Joo
  • Publication number: 20200201484
    Abstract: A pressure sensor includes: first and second substrates; a first driving electrode and a first sensing electrode disposed on a first surface of the first substrate that faces the second substrate; a spacer disposed on the first surface of the first substrate between the first driving electrode and the first sensing electrode; and a first pressure sensing layer disposed on a first surface of the second substrate that faces the first substrate and overlapping with the first driving electrode and the first sensing electrode in a thickness direction.
    Type: Application
    Filed: May 10, 2019
    Publication date: June 25, 2020
    Inventors: Kang Won LEE, Choon Hyop LEE, Seung Hwan CHUNG
  • Publication number: 20200201465
    Abstract: A display device includes: a display panel; a pressure sensor disposed below the display panel, the pressure sensor configured to detect pressure applied to the display panel; and a supporting layer disposed on a surface of the pressure sensor facing away from the display panel.
    Type: Application
    Filed: October 8, 2019
    Publication date: June 25, 2020
    Inventors: Kang Won LEE, Choon Hyop LEE, Sang Chul LEE, Seung Hwan CHUNG
  • Publication number: 20200150790
    Abstract: A display device includes a display panel having a display area and a non-display, an input sensing unit overlapping the display panel, a cover window overlapping the input sensing unit, a first electrode overlapping the non-display area and disposed between the cover window and the input sensing unit, a second electrode disposed between the cover window and the first electrode, a pressure-sensitive member disposed between the first electrode and the second electrode, and a first spacer and a second spacer both disposed between the first electrode and the second electrode. A first minimum thickness of the pressure-sensitive member corresponds to the first spacer. A second minimum thickness of the pressure-sensitive member corresponds to the second spacer and is unequal to the first minimum thickness of the pressure-sensitive member.
    Type: Application
    Filed: October 21, 2019
    Publication date: May 14, 2020
    Inventor: Choon Hyop LEE
  • Publication number: 20200133421
    Abstract: A pressure sensor includes a first substrate and a second substrate; a first driving electrode and a second driving electrode disposed on a first surface of the first substrate facing the second substrate and coupled to a first coupling electrode, the second driving electrode being shorter than the first driving electrode; a first sensing electrode and a second sensing electrode disposed on the first surface of the first substrate and coupled to a second coupling electrode, the second sensing electrode being shorter than the first sensing electrode; a first pressure sensing layer disposed on a first surface of the second substrate in a position facing the first substrate and overlapping and spaced from the first driving electrode and the first sensing electrode by a gap; and a second pressure sensing layer contacting with the second driving electrode and the second sensing electrode and electrically coupling the second driving electrode and the second sensing electrode to each other.
    Type: Application
    Filed: May 16, 2019
    Publication date: April 30, 2020
    Inventors: Choon Hyop LEE, Kang Won LEE, Sang Chul LEE, Seung Hwan CHUNG
  • Publication number: 20200110501
    Abstract: A display device including a display panel for displaying an image on a front surface of the display panel; a touch sensing unit provided on the display panel to sense a touch; an insulating film covering the touch sensing unit; a first circuit board of which one end is connected to the touch sensing unit; and a polarizing layer covering the touch sensing unit and a portion of the first circuit board.
    Type: Application
    Filed: December 5, 2019
    Publication date: April 9, 2020
    Inventors: Kang Won LEE, Hee Woong PARK, Jeong Heon LEE, Won Gu CHO, Mu Gyeom KIM, Choon Hyop LEE, Seung Lyong BOK
  • Patent number: 10551974
    Abstract: A touch screen panel including a base substrate, a first touch electrode disposed on the base substrate and including a first sensing electrode disposed along a first direction and a first sensing connection portion connected to the first sensing electrode and having a first width, an insulation layer disposed on the first touch electrode, and a second touch electrode disposed on the insulation layer and including a second sensing electrode disposed along a second direction crossing the first direction and a second sensing connection portion connected to the second sensing electrode and having a second width. The second width is equal to or greater than one and a half times the first width.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: February 4, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: In-Nam Lee, Dae-Won Kim, Hee-Woong Park, Jeong-Heon Lee, Choon-Hyop Lee, Mi-Hee Son, Ga-Yeon Yun
  • Publication number: 20200033971
    Abstract: A force sensor, includes: a first substrate and a second substrate; a first driving electrode, a second driving electrode, a first sensing electrode, and a second sensing electrode on one surface of the first substrate facing the second substrate; a first force sensing layer on one surface of the second substrate facing the first substrate; and a second force sensing layer contacting the second driving electrode and the second sensing electrode, wherein the first force sensing layer overlaps the first driving electrode and the first sensing electrode, and gaps exist between the first force sensing layer and the first driving electrode and between the first force sensing layer and the first sensing electrode.
    Type: Application
    Filed: December 12, 2018
    Publication date: January 30, 2020
    Inventors: Kang Won LEE, Choon Hyop LEE, Seung Hwan CHUNG, Sang Chul LEE
  • Patent number: 10534459
    Abstract: A display device including a display panel for displaying an image on a front surface of the display panel; a touch sensing unit provided on the display panel to sense a touch; an insulating film covering the touch sensing unit; a first circuit board of which one end is connected to the touch sensing unit; and a polarizing layer covering the touch sensing unit and a portion of the first circuit board.
    Type: Grant
    Filed: October 28, 2016
    Date of Patent: January 14, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kang Won Lee, Hee Woong Park, Jeong Heon Lee, Won Gu Cho, Mu Gyeom Kim, Choon Hyop Lee, Seung Lyong Bok
  • Publication number: 20190332218
    Abstract: A display device includes: a display panel including a display area in which an image is displayed and a non-display area surrounding the display area; an input sensor disposed on the display panel; and a pressure sensor sensing a pressure, wherein the input sensor includes a sensing base substrate extending in a first extending direction, the sensing base substrate including a first bending area bent along an outer edge of the sensing base substrate, wherein the pressure sensor is disposed on the first bending area of the sensing base substrate, and overlaps with the display area.
    Type: Application
    Filed: March 21, 2019
    Publication date: October 31, 2019
    Inventors: Kang Won Lee, Sang Chul Lee, Seung Hwan Chung, Young Sik Kim, Choon Hyop Lee, Yeon Sung Jung
  • Publication number: 20190332200
    Abstract: A display device including a display panel having a display area and a non-display area disposed around the display area; a touch sensor disposed on the display panel, the touch sensor comprising a sensing area corresponding to the display area, a peripheral area corresponding to the non-display area, and a pad unit disposed on a part of the peripheral area; a flexible printed circuit board disposed on the touch sensor in the peripheral area and connected to the pad unit; a polarization layer disposed on the touch sensor and a part of the flexible printed circuit board; and a printed layer disposed on at least an area between the flexible printed circuit board and the sensing area.
    Type: Application
    Filed: October 22, 2018
    Publication date: October 31, 2019
    Inventors: Choon Hyop LEE, Jung Mok PARK, Hee Woong PARK, Sang Wook YOO, Ga Yeon YUN, Jeong Heon LEE, Byeong Kyu JEON