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: 20170075458
    Abstract: A touch screen panel includes a substrate having a first surface and a second surface opposite the first surface, a plurality of first sensing electrodes coupled in a first direction, and a plurality of second sensing electrodes coupled in a second direction crossing the first direction, the first and second sensing electrodes being on the first surface, a plurality of third sensing electrodes overlapping the first sensing electrodes, a plurality of fourth sensing electrodes overlapping the second sensing electrodes, the third and fourth sensing electrodes being on the second surface, wherein the sensing electrodes on the first surface and the sensing electrodes on the second surface overlapping each other are electrically coupled to each other through coupling units for coupling the first surface of the substrate and the second surface of the substrate to each other.
    Type: Application
    Filed: November 23, 2016
    Publication date: March 16, 2017
    Inventors: Sung-Ku Kang, Choon-Hyop Lee, Jeong-Heon Lee
  • Patent number: 9568948
    Abstract: A display device includes a touch screen panel folded based on a folding axis, and at least one touch electrode on the folding axis. Each of the touch electrodes on the folding axis may include a graphene layer, a metal mesh layer, and an adhesion metal mesh layer. The grapheme layer may be along the folding axis on a transparent substrate. The first metal mesh layer may be on the transparent substrate to adhere to a lateral surface of the first graphene layer. The first adhesion metal mesh layer may be on a boundary portion between the first graphene layer and the first metal mesh layer.
    Type: Grant
    Filed: June 11, 2014
    Date of Patent: February 14, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Heung Seok Go, In Nam Lee, Choon Hyop Lee, Suk Choi, Young Kuil Joo
  • Patent number: 9471161
    Abstract: A touch screen panel including a transparent substrate; a background layer including a color printing layer along an edge of a surface of the transparent substrate; an overcoating layer on the surface of the transparent including the upper portion of the background layer; conductive sensing cells on the overcoating layer; and position detection lines.
    Type: Grant
    Filed: December 9, 2010
    Date of Patent: October 18, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Choon-Hyop Lee, Mikiya Itakura, Sung-Ku Kang, Jung-Mok Park
  • Patent number: 9423915
    Abstract: A flexible touch screen panel includes a window substrate, a polarizing functional layer, sensing patterns and sensing lines. The window substrate is flexible. The polarizing functional layer is attached on a first surface of the window substrate, and is divided into an active area and an inactive area positioned outside of the active area. The sensing patterns are formed in the active area on a first surface of the polarizing functional layer. The sensing lines are formed in the inactive area on the first surface of the polarizing functional layer, and are connected to the sensing patterns. In the touch screen panel, the polarizing functional layer has a laminated structure in which a polarizer and a retardation compensation film are attached on the first surface of the window substrate.
    Type: Grant
    Filed: July 22, 2014
    Date of Patent: August 23, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Ku Kang, Tae-Hyeog Jung, Kyu-Taek Lee, Choon-Hyop Lee, Jeong-Heon Lee, Gui-Nam Min
  • Publication number: 20160195979
    Abstract: A touch screen panel includes a substrate including an active area and a non-active area surrounding the active area, sensing cells disposed in the active area, the sensing cells comprising a first transparent conductive layer, and connection lines disposed in the non-active area, the connection lines comprising a lower pattern comprising the first transparent conductive layer and an upper pattern disposed on the lower pattern and comprising a metal layer, in which an ionicity of the metal layer is greater than an ionicity of the first transparent conductive layer.
    Type: Application
    Filed: August 25, 2015
    Publication date: July 7, 2016
    Inventors: In-Nam LEE, Choon-Hyop LEE, Sung-Ku KANG, Heung-Seok GO, Young-Kuil JOO
  • Publication number: 20160178821
    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: Application
    Filed: March 1, 2016
    Publication date: June 23, 2016
    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: 9310638
    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: February 20, 2014
    Date of Patent: April 12, 2016
    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: 9298332
    Abstract: A touch screen panel provided in an image display device. The touch screen panel includes: a transparent substrate; a plurality of first sensing patterns on the transparent substrate and coupled to each other along a first direction; a first insulating film on the first sensing patterns; a plurality of second sensing patterns on the first insulating film and coupled to each other along a second direction, the first and second sensing patterns being alternately arranged not to overlap with each other; and a second insulating film on the second sensing patterns, wherein the first insulating film and the second insulating film are composed of materials having different optical refractive indexes.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: March 29, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Ku Kang, Tae-Hyeog Jung, Choon-Hyop Lee, Dong-Wook Kang
  • Patent number: 9141238
    Abstract: A flexible touch screen panel includes a polarizing film having an active region and a non-active region, the non-active region being along an outline of the active region, and the polarizing film having a polarizer, a phase difference compensating layer defining a first surface of the polarizing film, and a transparent adhesive between the phase difference compensating layer and the polarizer, the transparent adhesive being configured to support the polarizer, sensing patterns on the first surface of the polarizing film, the sensing patterns being in the active region, and sensing lines on the first surface of the polarizing film, the sensing lines being in the non active region and being coupled to the sensing patterns.
    Type: Grant
    Filed: August 22, 2012
    Date of Patent: September 22, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung-Ku Kang, Tae-Hyeog Jung, Hak-Sun Kim, Akira Hirai, Choon-Hyop Lee
  • Publication number: 20150193058
    Abstract: A touch screen panel provided in an image display device. The touch screen panel includes: a transparent substrate; a plurality of first sensing patterns on the transparent substrate and coupled to each other along a first direction; a first insulating film on the first sensing patterns; a plurality of second sensing patterns on the first insulating film and coupled to each other along a second direction, the first and second sensing patterns being alternately arranged not to overlap with each other; and a second insulating film on the second sensing patterns, wherein the first insulating film and the second insulating film are composed of materials having different optical refractive indexes.
    Type: Application
    Filed: March 20, 2015
    Publication date: July 9, 2015
    Inventors: Sung-Ku Kang, Tae-Hyeog Jung, Choon-Hyop Lee, Dong-Wook Kang
  • Publication number: 20150153873
    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: Application
    Filed: April 8, 2014
    Publication date: June 4, 2015
    Applicants: Samsung Display Co., Ltd., UNIST Academy-Industry Research Corporation
    Inventors: Choon-Hyop LEE, Heung-Seok Go, Jang-Ung Park, Byeong-Wan An, In-Nam Lee, Young-Kuil Joo
  • Patent number: 9019232
    Abstract: A touch screen panel includes a substrate having first and second surfaces opposite to each other, a plurality of first sensing electrodes formed on the first surface of the substrate and connected in a first direction, a plurality of second sensing electrodes arranged between the first sensing electrodes and connected in a second direction intersecting the first direction, first connecting patterns connecting the first sensing electrodes in the first direction, a plurality of third sensing electrodes formed on the second surface of the substrate and overlapping the first sensing electrodes, a plurality of fourth sensing electrodes arranged between the third sensing electrodes and overlapping the second sensing electrodes, and second connecting patterns connecting the fourth sensing electrodes in the second direction. The sensing electrodes of the first surface and the sensing electrodes of the second surface overlap each other and are electrically connected to each other through vertical connecting units.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: April 28, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Ku Kang, Choon-Hyop Lee, Jeong-Heon Lee
  • Patent number: 9001079
    Abstract: A touch screen panel provided in an image display device. The touch screen panel includes: a transparent substrate; a plurality of first sensing patterns on the transparent substrate and coupled to each other along a first direction; a first insulating film on the first sensing patterns; a plurality of second sensing patterns on the first insulating film and coupled to each other along a second direction, the first and second sensing patterns being alternately arranged not to overlap with each other; and a second insulating film on the second sensing patterns, wherein the first insulating film and the second insulating film are composed of materials having different optical refractive indexes.
    Type: Grant
    Filed: February 12, 2014
    Date of Patent: April 7, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Ku Kang, Tae-Hyeog Jung, Choon-Hyop Lee, Dong-Wook Kang
  • Publication number: 20150062028
    Abstract: A display device includes a touch screen panel folded based on a folding axis, and at least one touch electrode on the folding axis. Each of the touch electrodes on the folding axis may include a graphene layer, a metal mesh layer, and an adhesion metal mesh layer. The grapheme layer may be along the folding axis on a transparent substrate. The first metal mesh layer may be on the transparent substrate to adhere to a lateral surface of the first graphene layer. The first adhesion metal mesh layer may be on a boundary portion between the first graphene layer and the first metal mesh layer.
    Type: Application
    Filed: June 11, 2014
    Publication date: March 5, 2015
    Inventors: Heung Seok GO, In Nam LEE, Choon Hyop LEE, Suk CHOI, Young Kuil JOO
  • Publication number: 20150064367
    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: Application
    Filed: February 20, 2014
    Publication date: March 5, 2015
    Applicant: 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: 8947368
    Abstract: A touch screen panel includes a transparent substrate; a plurality of first sensing patterns at a first side of the transparent substrate and coupled to each other along a first direction; a plurality of second sensing patterns at the first side of the transparent substrate and coupled to each other along a second direction, the second sensing patterns being alternately arranged with the first sensing patterns not to overlap with the first sensing patterns; and a phase difference compensating layer at the first side of the transparent substrate and adapted to compensate for a birefringence phase difference of a liquid crystal layer in a liquid crystal display panel at a second side of the transparent substrate.
    Type: Grant
    Filed: August 18, 2009
    Date of Patent: February 3, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hwan-Hee Jeong, Tae-Hyeog Jung, Sung-Ku Kang, Jung-Mok Park, Choon-Hyop Lee, Shawn Kim, Sang-Kook Kim
  • Publication number: 20150029143
    Abstract: A flexible touch screen panel includes a window substrate, a polarizing functional layer, sensing patterns and sensing lines. The window substrate is flexible. The polarizing functional layer is attached on a first surface of the window substrate, and is divided into an active area and an inactive area positioned outside of the active area. The sensing patterns are formed in the active area on a first surface of the polarizing functional layer. The sensing lines are formed in the inactive area on the first surface of the polarizing functional layer, and are connected to the sensing patterns. In the touch screen panel, the polarizing functional layer has a laminated structure in which a polarizer and a retardation compensation film are attached on the first surface of the window substrate.
    Type: Application
    Filed: July 22, 2014
    Publication date: January 29, 2015
    Inventors: Sung-Ku Kang, Tae-Hyeog Jung, Kyu-Taek Lee, Choon-Hyop Lee, Jeong-Heon Lee, Gui-Nam Min
  • Publication number: 20140368451
    Abstract: A touch screen panel provided in an image display device. The touch screen panel includes: a transparent substrate; a plurality of first sensing patterns on the transparent substrate and coupled to each other along a first direction; a first insulating film on the first sensing patterns; a plurality of second sensing patterns on the first insulating film and coupled to each other along a second direction, the first and second sensing patterns being alternately arranged not to overlap with each other; and a second insulating film on the second sensing patterns, wherein the first insulating film and the second insulating film are composed of materials having different optical refractive indexes.
    Type: Application
    Filed: February 12, 2014
    Publication date: December 18, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung-Ku Kang, Tae-Hyeog Jung, Choon-Hyop Lee, Dong-Wook Kang
  • Publication number: 20140342131
    Abstract: A conductive film includes an elastomer film having a concave-convex structure at a region thereof, and a conductive layer at a surface of the elastomer film and having a concave-convex structure at a region thereof.
    Type: Application
    Filed: May 15, 2013
    Publication date: November 20, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: In-Nam Lee, Jeong-Heon Lee, Choon-Hyop Lee, Hak-Sun Kim
  • Patent number: 8830186
    Abstract: A touch screen panel includes a transparent substrate, a plurality of first sensing cells on the transparent substrate, the plurality of first sensing cells being connected in a first direction, a plurality of second sensing cells between the first sensing cells and insulated from the first sensing cells, the plurality of second sensing cells being connected in a second direction, a plurality of first connecting patterns connecting the first sensing cells in the first direction, a plurality of second connecting patterns intersecting the first connecting patterns and connecting the second sensing cells in the second direction, and insulating layers between the first and second connecting patterns, the insulating layers including edges with protrusions, the edges overlapping the second connecting patterns, and one or more protrusions at the edges protruding toward adjacent second sensing cells.
    Type: Grant
    Filed: December 9, 2010
    Date of Patent: September 9, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hwan-Hee Jeong, Sung-Ku Kang, Jung-Mok Park, Choon-Hyop Lee