Patents by Inventor Se-Il Cho

Se-Il Cho 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: 10459571
    Abstract: A 3-dimensional (3D) flat panel display with a built-in touch screen panel includes a first substrate, a plurality of pixels on the first substrate, a plurality of first electrode patterns spaced apart from one another at a first predetermined interval along a first direction, the plurality of first electrode patterns for driving the plurality of pixels, a second substrate positioned to face the first substrate, and a plurality of barrier patterns formed on an outer surface of the second substrate and spaced apart from one another at a second predetermined interval along a second direction, intersecting the first direction. At least one of the plurality of first electrode patterns and at least one barrier pattern of the plurality of barrier patterns serve as electrodes for the built-in touch screen panel.
    Type: Grant
    Filed: February 12, 2019
    Date of Patent: October 29, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-Woong Park, Joo-Hyung Lee, Geun-Young Jeong, Sang-Jin Pak, Ji-Yeon Yang, Se-Il Cho
  • Publication number: 20190179480
    Abstract: A 3-dimensional (3D) flat panel display with a built-in touch screen panel includes a first substrate, a plurality of pixels on the first substrate, a plurality of first electrode patterns spaced apart from one another at a first predetermined interval along a first direction, the plurality of first electrode patterns for driving the plurality of pixels, a second substrate positioned to face the first substrate, and a plurality of barrier patterns formed on an outer surface of the second substrate and spaced apart from one another at a second predetermined interval along a second direction, intersecting the first direction. At least one of the plurality of first electrode patterns and at least one barrier pattern of the plurality of barrier patterns serve as electrodes for the built-in touch screen panel.
    Type: Application
    Filed: February 12, 2019
    Publication date: June 13, 2019
    Inventors: Jong-Woong PARK, Joo-Hyung LEE, Geun-Young JEONG, Sang-Jin PAK, Ji-Yeon YANG, Se-Il CHO
  • Patent number: 10216316
    Abstract: A 3-dimensional (3D) flat panel display with a built-in touch screen panel includes a first substrate, a plurality of pixels on the first substrate, a plurality of first electrode patterns spaced apart from one another at a first predetermined interval along a first direction, the plurality of first electrode patterns for driving the plurality of pixels, a second substrate positioned to face the first substrate, and a plurality of barrier patterns formed on an outer surface of the second substrate and spaced apart from one another at a second predetermined interval along a second direction, intersecting the first direction. At least one of the plurality of first electrode patterns and at least one barrier pattern of the plurality of barrier patterns serve as electrodes for the built-in touch screen panel.
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: February 26, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jong-Woong Park, Joo-Hyung Lee, Geun-Young Jeong, Sang-Jin Pak, Ji-Yeon Yang, Se-Il Cho
  • Patent number: 9658650
    Abstract: A flexible display is disclosed. In one aspect, the flexible display includes a flexible substrate including a display area, a pad area, and a plurality of chamfer areas formed at opposing ends of the pad area. The flexible display also includes an insulating layer formed over the flexible substrate and a display unit formed over the flexible substrate in the display area. Each of the chamfer areas is adjacent to the display area in a first direction. The insulating layer formed in each of the chamfer areas includes a closed-engraved pattern having a stripe shape extending in a second direction that at least partially crosses the first direction.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: May 23, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventor: Se Il Cho
  • Patent number: 9501162
    Abstract: A display device integrated with a touch screen panel includes a display unit in which scan lines and data lines crossing each other, and pixels are arranged, wherein the pixels are positioned at crossing regions of the scan lines and the data lines and each of the pixels comprises first and second pixel electrodes, first touch electrodes extending along a first direction on the display unit, and second touch electrodes extending along a second direction on the display unit, and arranged to overlap the first touch electrodes, the second touch electrodes being spaced apart from the first touch electrodes, wherein the first touch electrodes are implemented by patterning the second pixel electrode in the first direction, and wherein while a touch driving signal is supplied to one or more first touch electrodes among the first touch electrodes, a second pixel power source is supplied to remaining first touch electrodes.
    Type: Grant
    Filed: February 20, 2014
    Date of Patent: November 22, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se-Il Cho, Sang-Hyun Jun
  • Publication number: 20160270209
    Abstract: A flexible display is disclosed. In one aspect, the flexible display includes a flexible substrate including a display area, a pad area, and a plurality of chamfer areas formed at opposing ends of the pad area. The flexible display also includes an insulating layer formed over the flexible substrate and a display unit formed over the flexible substrate in the display area. Each of the chamfer areas is adjacent to the display area in a first direction. The insulating layer formed in each of the chamfer areas includes a closed-engraved pattern having a stripe shape extending in a second direction that at least partially crosses the first direction.
    Type: Application
    Filed: September 30, 2015
    Publication date: September 15, 2016
    Inventor: Se Il CHO
  • Publication number: 20160259477
    Abstract: A 3-dimensional (3D) flat panel display with a built-in touch screen panel includes a first substrate, a plurality of pixels on the first substrate, a plurality of first electrode patterns spaced apart from one another at a first predetermined interval along a first direction, the plurality of first electrode patterns for driving the plurality of pixels, a second substrate positioned to face the first substrate, and a plurality of barrier patterns formed on an outer surface of the second substrate and spaced apart from one another at a second predetermined interval along a second direction, intersecting the first direction. At least one of the plurality of first electrode patterns and at least one barrier pattern of the plurality of barrier patterns serve as electrodes for the built-in touch screen panel.
    Type: Application
    Filed: May 18, 2016
    Publication date: September 8, 2016
    Inventors: Jong-Woong PARK, Joo-Hyung LEE, Geun-Young JEONG, Sang-Jin PAK, Ji-Yeon YANG, Se-Il CHO
  • Patent number: 9401389
    Abstract: A display panel and a method of manufacturing the same are disclosed. In one aspect, the display panel comprises a first substrate, a switching element formed over the first substrate, a planarization insulating layer having a via hole that at least partially exposes the switching element, and a light-emitting structure including a first electrode connected to the switching element through the via hole. The display panel also includes a spacer having a trench configured to alter the path of external light reflected off the light-emitting structure, wherein the spacer at least partially covers the first electrode and the planarization insulating layer. The display panel further includes a second substrate formed over the spacer, wherein the spacer is interposed between the first and second substrates.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: July 26, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventor: Se-Il Cho
  • Patent number: 9348447
    Abstract: A 3-dimensional (3D) flat panel display with a built-in touch screen panel includes a first substrate, a plurality of pixels on the first substrate, a plurality of first electrode patterns spaced apart from one another at a first predetermined interval along a first direction, the plurality of first electrode patterns for driving the plurality of pixels, a second substrate positioned to face the first substrate, and a plurality of barrier patterns formed on an outer surface of the second substrate and spaced apart from one another at a second predetermined interval along a second direction, intersecting the first direction. At least one of the plurality of first electrode patterns and at least one barrier pattern of the plurality of barrier patterns serve as electrodes for the built-in touch screen panel.
    Type: Grant
    Filed: September 19, 2011
    Date of Patent: May 24, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jong-Woong Park, Joo-Hyung Lee, Geun-Young Jeong, Sang-Jin Pak, Ji-Yeon Yang, Se-Il Cho
  • Patent number: 9164615
    Abstract: A display device integrated with a touch screen panel includes a plurality of pixels. Each pixel includes a first and second pixel electrodes. The display device also includes first touch electrodes formed parallel to a first direction. Each first touch electrode is integrally formed with the second pixel electrodes. The display device includes second touch electrodes formed parallel to a second direction intersecting the first direction and spaced apart from the first touch electrodes. The display device supplies an emission control signal controlling pixels not to emit light to each emission control line at least twice during one frame period, and supplies a touch driving signal to the first touch electrode connected with the pixels receiving the emission control signal while supplying a second pixel power to the remaining first touch electrodes connected with the pixels not receiving the emission control signal at a time in the frame period.
    Type: Grant
    Filed: September 11, 2013
    Date of Patent: October 20, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventor: Se-Il Cho
  • Publication number: 20150236080
    Abstract: A display panel and a method of manufacturing the same are disclosed. In one aspect, the display panel comprises a first substrate, a switching element formed over the first substrate, a planarization insulating layer having a via hole that at least partially exposes the switching element, and a light-emitting structure including a first electrode connected to the switching element through the via hole. The display panel also includes a spacer having a trench configured to alter the path of external light reflected off the light-emitting structure, wherein the spacer at least partially covers the first electrode and the planarization insulating layer. The display panel further includes a second substrate formed over the spacer, wherein the spacer is interposed between the first and second substrates.
    Type: Application
    Filed: October 22, 2014
    Publication date: August 20, 2015
    Inventor: Se-Il Cho
  • Patent number: 9104276
    Abstract: A touch screen panel includes odd-numbered row transparent sensing cells formed of a transparent electrode on odd-numbered rows in a touch screen active area. Even-numbered row transparent sensing cells are formed of a transparent electrode on even-numbered rows in the same layer as the odd-numbered row transparent sensing cells. Odd-numbered row metal lines and even-numbered row main lines are formed of a metal in a position detecting line area positioned at a periphery of the touch screen active area, and which are respectively connected to the odd-numbered row transparent sensing cells and the even-numbered row transparent sensing cells. Bridges formed of a transparent electrode connect the even-numbered row main lines and the even-numbered row transparent sensing cells to each other with odd-numbered row main lines interposed therebetween, wherein the odd-numbered row main lines among the odd-numbered row metal lines are formed in parallel with the even-numbered row main lines.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: August 11, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se-Il Cho, Jae-Hyun Lee
  • Patent number: 9019221
    Abstract: In a display device integrated with a touch screen panel, light scattering patterns corresponding to regions between dummy patterns are formed in partial regions of first electrodes in order to prevent the first electrodes of the touch screen panel, formed on one surface of the top substrate of the display device, from being visible due to a difference in degrees of scattering light by external light between the first electrodes and the plurality of dummy patterns formed between the first electrodes.
    Type: Grant
    Filed: October 31, 2012
    Date of Patent: April 28, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventor: Se-Il Cho
  • Patent number: 9001052
    Abstract: A touch screen panel including: a transparent substrate that incorporate a display region and a non-display region; first sensing patterns that are arranged in a first direction and include first sensing cells and first connection parts; second sensing patterns that are arranged in a second direction and include second sensing cells and second connection parts; an insulating layer that is formed on each of the second connection parts in an island shape; the second sensing cells contact the ends of exposed second connection parts; a plurality of first sensing cells that are arranged on the display region in the first direction intersecting with the second direction; connection parts that connect the adjacent first sensing cells to each other; and metal patterns that are formed in the non-display region and are connected to each of the sensing cells disposed at the ends of the display region.
    Type: Grant
    Filed: October 5, 2010
    Date of Patent: April 7, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soo-Guy Rho, Se-Il Cho, Jae-Hyun Lee, Chung Yi
  • Patent number: 8993388
    Abstract: A method of manufacturing a liquid crystal display having a touch sensor, the method including forming a plurality of thin film transistors on a first substrate, forming a plurality of pixel electrodes each coupled to a corresponding one of the thin film transistors, forming an insulating layer on the pixel electrodes, and forming, on the insulating layer, a plurality of first touch electrodes each having openings formed therein and a plurality of driving lines coupled to the first touch electrodes.
    Type: Grant
    Filed: November 13, 2013
    Date of Patent: March 31, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun-Young Kim, Ji-Ryun Park, Se-Il Cho, Ki-Hoon Kim, Jung-Sun Kim, Hee-Sang Park
  • Publication number: 20150004760
    Abstract: A method of manufacturing a liquid crystal display having a touch sensor, the method including forming a plurality of thin film transistors on a first substrate, forming a plurality of pixel electrodes each coupled to a corresponding one of the thin film transistors, forming an insulating layer on the pixel electrodes, and forming, on the insulating layer, a plurality of first touch electrodes each having openings formed therein and a plurality of driving lines coupled to the first touch electrodes.
    Type: Application
    Filed: November 13, 2013
    Publication date: January 1, 2015
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun-Young Kim, Ji-Ryun Park, Se-Il Cho, Ki-Hoon Kim, Jung-Sun Kim, Hee-Sang Park
  • Publication number: 20140253493
    Abstract: A display device integrated with a touch screen panel includes a plurality of pixels. Each pixel includes a first and second pixel electrodes. The display device also includes first touch electrodes formed parallel to a first direction. Each first touch electrode is integrally formed with the second pixel electrodes. The display device includes second touch electrodes formed parallel to a second direction intersecting the first direction and spaced apart from the first touch electrodes. The display device supplies an emission control signal controlling pixels not to emit light to each emission control line at least twice during one frame period, and supplies a touch driving signal to the first touch electrode connected with the pixels receiving the emission control signal while supplying a second pixel power to the remaining first touch electrodes connected with the pixels not receiving the emission control signal at a time in the frame period.
    Type: Application
    Filed: September 11, 2013
    Publication date: September 11, 2014
    Inventor: Se-Il Cho
  • Publication number: 20140253502
    Abstract: A display device integrated with a touch screen panel includes a display unit in which scan lines and data lines crossing each other, and pixels are arranged, wherein the pixels are positioned at crossing regions of the scan lines and the data lines and each of the pixels comprises first and second pixel electrodes, first touch electrodes extending along a first direction on the display unit, and second touch electrodes extending along a second direction on the display unit, and arranged to overlap the first touch electrodes, the second touch electrodes being spaced apart from the first touch electrodes, wherein the first touch electrodes are implemented by patterning the second pixel electrode in the first direction, and wherein while a touch driving signal is supplied to one or more first touch electrodes among the first touch electrodes, a second pixel power source is supplied to remaining first touch electrodes.
    Type: Application
    Filed: February 20, 2014
    Publication date: September 11, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Se-Il Cho, Sang-Hyun Jun
  • Patent number: 8773371
    Abstract: A flat panel display integrated with a touch screen panel. The connecting patterns, which connect adjacent first sensing cells and adjacent second sensing cells are formed on the same level of the lower surface of the upper substrate of the flat panel display of the same material as metal patterns formed around the edge of the touch screen panel, and by arranging the connecting patterns not to cross each other. The flat panel display panel can also be integrated with a touch screen having improved visibility by forming the touch screen panel on the upper substrate of the flat panel display such that connecting patterns are formed in the regions between the pixels.
    Type: Grant
    Filed: September 15, 2010
    Date of Patent: July 8, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee-Chul Jeon, Ji-Eun Kim, Sung-Joo Hwang, Se-Il Cho, Won-Mi Hwang
  • Publication number: 20140035839
    Abstract: In a display device integrated with a touch screen panel, light scattering patterns corresponding to regions between dummy patterns are formed in partial regions of first electrodes in order to prevent the first electrodes of the touch screen panel, formed on one surface of the top substrate of the display device, from being visible due to a difference in degrees of scattering light by external light between the first electrodes and the plurality of dummy patterns formed between the first electrodes.
    Type: Application
    Filed: October 31, 2012
    Publication date: February 6, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventor: Se-Il Cho