Patents by Inventor Yong-Cheol Jeong

Yong-Cheol Jeong 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: 9985246
    Abstract: A cover window for a display device, including a base film; and a coating layer on the base film, the coating layer including a first region and a second region having different hardnesses, the second region having a hardness less than that of the first region, and the base film including the coating layer being slidable from the second region in a direction toward the first region and in a direction from the first region toward the second region.
    Type: Grant
    Filed: October 14, 2015
    Date of Patent: May 29, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong Cheol Jeong, Seung Wook Nam, Sang Wol Lee, Ah Young Kim
  • Publication number: 20180076414
    Abstract: An organic light emitting diode display, which is foldable about a folding central axis, and in which a folding area including the folding central axis and a non-folding area except for the folding area are defined, the organic light emitting diode display including a first panel having flexibility; a second panel on the first panel and having flexibility; a third panel on the second panel and having flexibility; a first adhesive layer between the first panel and the second panel to bond the first panel and the second panel to each other; and a second adhesive layer between the second panel and the third panel to bond the second panel and the third panel to each other, wherein at least one of the first adhesive layer and the second adhesive layer includes a first reinforcing material.
    Type: Application
    Filed: November 21, 2017
    Publication date: March 15, 2018
    Inventors: Seung Wook NAM, Yong Cheol JEONG, Ah Young KIM, Kyu-Taek LEE, So Yeon HAN
  • Patent number: 9831464
    Abstract: An organic light emitting diode display, which is foldable about a folding central axis, and in which a folding area including the folding central axis and a non-folding area except for the folding area are defined, the organic light emitting diode display including a first panel having flexibility; a second panel on the first panel and having flexibility; a third panel on the second panel and having flexibility; a first adhesive layer between the first panel and the second panel to bond the first panel and the second panel to each other; and a second adhesive layer between the second panel and the third panel to bond the second panel and the third panel to each other, wherein at least one of the first adhesive layer and the second adhesive layer includes a first reinforcing material.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: November 28, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Wook Nam, Yong Cheol Jeong, Ah Young Kim, Kyu-Taek Lee, So Yeon Han
  • Publication number: 20170243927
    Abstract: A foldable, flexible display apparatus includes a flexible display panel which displays an image and includes a display side on which the image is displayed and of which portions thereof face each other in a folded state of the flexible display apparatus; a cover window on the display side of the flexible display panel and including: a window film comprising a transparent plastic film having a modulus of elasticity of about 6.3 gigapascals or more; and a coating layer on the window film, and configured to be transparent and to protect the window film from physical damage thereto; and an adhesive layer between the window film and the display side of the flexible display panel, and configured to have elasticity and bond the window film and the flexible display panel to each other.
    Type: Application
    Filed: May 10, 2017
    Publication date: August 24, 2017
    Inventors: Yong-Cheol Jeong, Seung-Wook Nam, So-Yeon Han, Kyu-Young Kim, Ah-Young Kim, Gui-Nam Min, Kyu-Taek Lee
  • Patent number: 9661114
    Abstract: A foldable, flexible display apparatus includes a flexible display panel which displays an image and includes a display side on which the image is displayed and of which portions thereof face each other in a folded state of the flexible display apparatus; a cover window on the display side of the flexible display panel and including: a window film comprising a transparent plastic film having a modulus of elasticity of about 6.3 gigapascals or more; and a coating layer on the window film, and configured to be transparent and to protect the window film from physical damage thereto; and an adhesive layer between the window film and the display side of the flexible display panel, and configured to have elasticity and bond the window film and the flexible display panel to each other.
    Type: Grant
    Filed: October 9, 2014
    Date of Patent: May 23, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yong-Cheol Jeong, Seung-Wook Nam, So-Yeon Han, Kyu-Young Kim, Ah-Young Kim, Gui-Nam Min, Kyu-Taek Lee
  • Patent number: 9645613
    Abstract: A flexible display device includes a flexible display panel and a window member. The flexible display panel includes a folding area, and a peripheral area disposed adjacent to the folding area. The window member includes a first base layer on the flexible display panel, and a second base layer having a substantially same modulus as that of the first base layer. A first thickness portion of the second base layer, which overlaps the folding area, has a thickness smaller than a thickness of a second thickness portion of the second base layer, which overlaps the peripheral area.
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: May 9, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: SeungWook Nam, Kyu Young Kim, Ahyoung Kim, Gui-Nam Min, Kyu-taek Lee, Yong Cheol Jeong, Soyeon Han
  • Patent number: 9547340
    Abstract: A portable terminal, including a first housing including opposing first and second sides, a second housing including opposing first and second sides, a hinge connecting the first sides of the first and second housings, a flexible display including a first end disposed in the second side the first housing, a second end disposed in the second side of the second housing, and a driver configured to drive the display, wherein the first housing and the second housing are configured to rotate on the hinge to form an angle in therebetween such that a corresponding portion of the display is exposed, and the driver is configured to output driving signals corresponding to the angle to the flexible display, such an image is displayed on the exposed portion of the flexible display.
    Type: Grant
    Filed: August 1, 2014
    Date of Patent: January 17, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gui-Nam Min, Sang Wol Lee, Kyu Young Kim, Ahyoung Kim, SeungWook Nam, Kyu-taek Lee, Yong Cheol Jeong, Soyeon Han
  • Publication number: 20160226017
    Abstract: An organic light emitting diode display, which is foldable about a folding central axis, and in which a folding area including the folding central axis and a non-folding area except for the folding area are defined, the organic light emitting diode display including a first panel having flexibility; a second panel on the first panel and having flexibility; a third panel on the second panel and having flexibility; a first adhesive layer between the first panel and the second panel to bond the first panel and the second panel to each other; and a second adhesive layer between the second panel and the third panel to bond the second panel and the third panel to each other, wherein at least one of the first adhesive layer and the second adhesive layer includes a first reinforcing material.
    Type: Application
    Filed: September 14, 2015
    Publication date: August 4, 2016
    Inventors: Seung Wook NAM, Yong Cheol JEONG, Ah Young KIM, Kyu-Taek LEE, So Yeon HAN
  • Publication number: 20160209550
    Abstract: A flexible window for a display panel, the flexible window including a flexible transparent base film attachable to the display panel; and a hard coating layer attached to the transparent base film, the hard coating layer having a concave first side opposite the flexible transparent base film when the hard coating layer is separated from the display panel.
    Type: Application
    Filed: September 11, 2015
    Publication date: July 21, 2016
    Inventors: Yong Cheol JEONG, Seung Wook NAM
  • Publication number: 20160204377
    Abstract: A cover window for a display device, including a base film; and a coating layer on the base film, the coating layer including a first region and a second region having different hardnesses, the second region having a hardness less than that of the first region, and the base film including the coating layer being slidable from the second region in a direction toward the first region and in a direction from the first region toward the second region.
    Type: Application
    Filed: October 14, 2015
    Publication date: July 14, 2016
    Inventors: Yong Cheol JEONG, Seung Wook NAM, Sang Wol LEE, Ah Young KIM
  • Publication number: 20160101593
    Abstract: A flexible window and flexible display are disclosed. In one aspect, the flexible window includes a first film having a first Young's modulus, a second film positioned over the first film and having a second Young's modulus that is greater than the first Young's modulus, and a first adhesive layer interposed between the first film and the second film.
    Type: Application
    Filed: May 27, 2015
    Publication date: April 14, 2016
    Inventors: Seung Wook NAM, Ah Young KIM, Yong Cheol JEONG, Heon Jung SHIN
  • Publication number: 20160014881
    Abstract: A foldable display device includes: a display panel having a folded portion bendable along a fold line; and a cover window disposed on the display panel, wherein the cover window includes: at least a soft pattern disposed on the folded portion of the display panel; and a hard coating layer disposed on the display panel having the soft pattern formed thereon, and the soft pattern has a triangular cross section.
    Type: Application
    Filed: June 9, 2015
    Publication date: January 14, 2016
    Inventors: Heon Jung SHIN, Ah Young KIM, Seung Wook NAM, Yong Cheol JEONG
  • Publication number: 20150368513
    Abstract: A cover window, a display device, and a method of manufacturing a cover window, the cover window including a base film; and a coating layer on the base film, wherein the coating layer is formed by coating of a coating composition that includes at least one of an iodine-based initiator and a boric acid-based initiator.
    Type: Application
    Filed: October 29, 2014
    Publication date: December 24, 2015
    Inventors: Yong Cheol JEONG, Seung Wook NAM, Ji Hyuk IM
  • Publication number: 20150363030
    Abstract: A flexible display device including: a flexible display panel displaying an image; a touch sensing layer provided on the flexible display panel; and a window provided on the touch sensing layer and including a flat area and a bending area. The window includes a flexible film and a hard coating film provided on the flexible film, the thicknesses of the flexible film in the flat area and the bending area differ, and the thicknesses of the hard coating film in the flat area and the bending area also differ.
    Type: Application
    Filed: November 4, 2014
    Publication date: December 17, 2015
    Inventors: Seung Wook NAM, Kyu Young KIM, Ah Young KIM, Gui-Nam MIN, Kyu-Taek LEE, Ji Hyuk IM, Yong Cheol JEONG, So Yeon HAN
  • Publication number: 20150268697
    Abstract: A flexible display device includes a flexible display panel and a window member. The flexible display panel includes a folding area, and a peripheral area disposed adjacent to the folding area. The window member includes a first base layer on the flexible display panel, and a second base layer having a substantially same modulus as that of the first base layer. A first thickness portion of the second base layer, which overlaps the folding area, has a thickness smaller than a thickness of a second thickness portion of the second base layer, which overlaps the peripheral area.
    Type: Application
    Filed: March 6, 2015
    Publication date: September 24, 2015
    Inventors: SeungWook NAM, Kyu Young KIM, Ahyoung KIM, Gui-Nam MIN, Kyu-taek LEE, YONG CHEOL JEONG, Soyeon HAN
  • Patent number: 9093014
    Abstract: A three-dimensional image display device includes: a display panel which includes a first pixel and a second pixel and displays a frame image including a positive frame image including a first right-eye image and a first left-eye image displayed in the first and second pixels, respectively, and a negative frame image including a second left-eye image and a second right-eye image displayed in the first and second pixels, respectively; and a liquid crystal lens panel disposed on the display panel and which provides the first and second right-eye images to a right eye of a viewer and provides the first and second left-eye images to a left eye of the viewer, where the display panel sequentially displays the positive frame image and the negative frame image during an n-th frame period, and the negative frame image and the positive frame image during an (n+1)-th frame image.
    Type: Grant
    Filed: February 20, 2013
    Date of Patent: July 28, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyungho Jung, Jinhwan Kim, Jeongmin Sung, Ilyong Yoon, Haeyoung Yun, Yong Cheol Jeong
  • Publication number: 20150207102
    Abstract: A foldable, flexible display apparatus includes a flexible display panel which displays an image and includes a display side on which the image is displayed and of which portions thereof face each other in a folded state of the flexible display apparatus; a cover window on the display side of the flexible display panel and including: a window film comprising a transparent plastic film having a modulus of elasticity of about 6.3 gigapascals or more; and a coating layer on the window film, and configured to be transparent and to protect the window film from physical damage thereto; and an adhesive layer between the window film and the display side of the flexible display panel, and configured to have elasticity and bond the window film and the flexible display panel to each other.
    Type: Application
    Filed: October 9, 2014
    Publication date: July 23, 2015
    Inventors: Yong-Cheol Jeong, Seung-Wook Nam, So-Yeon Han, Kyu-Young Kim, Ah-Young Kim, Gui-Nam Min, Kyu-Taek Lee
  • Publication number: 20150192962
    Abstract: A portable terminal, including a first housing including opposing first and second sides, a second housing including opposing first and second sides, a hinge connecting the first sides of the first and second housings, a flexible display including a first end disposed in the second side the first housing, a second end disposed in the second side of the second housing, and a driver configured to drive the display, wherein the first housing and the second housing are configured to rotate on the hinge to form an angle in therebetween such that a corresponding portion of the display is exposed, and the driver is configured to output driving signals corresponding to the angle to the flexible display, such an image is displayed on the exposed portion of the flexible display.
    Type: Application
    Filed: August 1, 2014
    Publication date: July 9, 2015
    Inventors: Gui-Nam MIN, Sang Wol LEE, Kyu Young KIM, Ahyoung KIM, SeungWook NAM, Kyu-taek LEE, Yong Cheol JEONG, Soyeon HAN
  • Publication number: 20150147532
    Abstract: A flexible display device includes a flexible display panel and a window member. The flexible display device includes a folding area and a peripheral area disposed adjacent to the folding area. The window member includes at least first and second base layers. The second base layer is overlapped with the first base layer and has a modulus of elasticity that is higher than that of the first base layer. A thickness of a first portion of the first base layer, which is overlapped with the folding area, is greater than a thickness of a second portion of the first base layer, which is overlapped with the peripheral area.
    Type: Application
    Filed: March 24, 2014
    Publication date: May 28, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: SeungWook NAM, Kyu Young KIM, Ahyoung KIM, Gui-Nam MIN, Kyu-taek LEE, Yong Cheol JEONG, Soyeon HAN
  • Publication number: 20150086763
    Abstract: A cover window for a display device includes a base film and a coating layer disposed on the base film. The base film includes a plurality of layers. Each of the plurality of layers includes a folding part and a nonfolding part. Each of the plurality of layers has a different coefficient of thermal expansion.
    Type: Application
    Filed: July 16, 2014
    Publication date: March 26, 2015
    Inventors: Seung Wook NAM, Kyu Young KIM, Ah Young KIM, Gui-Nam MIN, Kyu-Taek LEE, Yong Cheol JEONG, So Yeon HAN