Patents by Inventor Yang-Ho Jung

Yang-Ho Jung 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: 10468466
    Abstract: A touch display panel including a thin-film transistor substrate including a thin-film transistor, a pixel defining layer disposed on the thin-film transistor substrate and including a first opening, a light emitting structure disposed in the first opening, a thin film encapsulation layer covering the light emitting structure and the pixel defining layer, a first metal pattern disposed on the thin film encapsulation layer, a first insulation pattern disposed on the first metal pattern and having the same shape as the first metal pattern in a plan view, a second metal pattern disposed on the first insulation pattern, and a second insulation layer disposed on the second metal pattern and the thin film encapsulation layer and covering the first metal pattern, the first insulation pattern and the second metal pattern.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: November 5, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yang-Ho Jung, Chul-Won Park, Jeong-Min Park, Beung-Hwa Jeong
  • Patent number: 10431762
    Abstract: A manufacturing method of a display device according to some embodiments includes: forming a protrusion pattern on a carrier glass; coating a polymer on the protrusion pattern to form a polymer layer; forming a stacked structure on the polymer layer, including a transistor and an organic light emitting element connected to the transistor; and separating the carrier glass and the protrusion pattern from the polymer layer, wherein an opening penetrating the polymer layer is formed during the separation of the protrusion pattern.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: October 1, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yang-Ho Jung, Seon Hwa Choi, Jun Gi Kim, Jeong Min Park, Beung Hwa Jeong
  • Publication number: 20190243488
    Abstract: A flexible display device including a display panel providing a base surface and a touch sensing part disposed on the base surface. The display panel further includes a buffer layer and is divided into a plurality of emission areas and non-emission areas disposed adjacent thereto. The buffer layer includes recessed portions, each of which has a groove defined in a corresponding emission area of the emission areas and flat portions connected to the recessed portions. The touch sensing part disposed on the buffer layer includes conductive patterns and an insulation layer covering the conductive patterns.
    Type: Application
    Filed: April 17, 2019
    Publication date: August 8, 2019
    Inventors: Beunghwa JEONG, Yang-ho JUNG
  • Patent number: 10330999
    Abstract: A display panel includes a substrate, a thin-film transistor (TFT) disposed on the substrate, a first electrode electrically connected to the thin-film transistor, a roof layer disposed on the first electrode and a liquid crystal layer. The roof layer includes an organic insulating material, and defines a cavity that overlaps the first electrode. The liquid crystal layer is disposed in the cavity and is in direct contact with the roof layer.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: June 25, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Koichi Sugitani, Hoon Kang, Chul-Won Park, Yang-Ho Jung, Jin-Ho Ju
  • Patent number: 10303315
    Abstract: A flexible display device including a display panel providing a base surface and a touch sensing part disposed on the base surface. The display panel further includes a buffer layer and is divided into a plurality of emission areas and non-emission areas disposed adjacent thereto. The buffer layer includes recessed portions, each of which has a groove defined in a corresponding emission area of the emission areas and flat portions connected to the recessed portions. The touch sensing part disposed on the buffer layer includes conductive patterns and an insulation layer covering the conductive patterns.
    Type: Grant
    Filed: April 18, 2017
    Date of Patent: May 28, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Beunghwa Jeong, Yang-ho Jung
  • Publication number: 20190157628
    Abstract: A display device includes: a substrate on which is disposed: an organic light emitting element which generates and emits light with which an image is displayed; a thin film transistor connected to the organic light emitting element and with which the organic light emitting element is controlled to emit the light; an interlayer insulating layer disposed between the thin film transistor and the organic light emitting element, the interlayer insulating layer including an organic material; and a capping layer disposed between the interlayer insulating layer and the organic light emitting element, the capping layer including an inorganic material. The interlayer insulating layer disposed between the thin film transistor and the organic light emitting element does not have photosensitivity and does not include sulfur.
    Type: Application
    Filed: October 26, 2018
    Publication date: May 23, 2019
    Inventors: Jun Gi KIM, Jin-Su BYUN, Yang-Ho JUNG, Eui Suk JUNG, Seon Hwa CHOI
  • Publication number: 20190115559
    Abstract: A light emitting device includes a substrate. A thin film transistor is disposed on the substrate. A first electrode is connected to the thin film transistor. A second electrode at least partially overlaps the first electrode. A first partition wall is disposed between the first electrode and the second electrode. An insulating layer is disposed between the thin film transistor and the first electrode. The insulating layer includes a first part having a first thickness and a second part having a second thickness that is different than the first thickness. The second part of the insulating layer at least partially overlaps the first partition wall.
    Type: Application
    Filed: May 10, 2018
    Publication date: April 18, 2019
    Inventors: JUN CHUN, JIN-SU BYUN, BO GEON JEON, JUN GI KIM, JEONG MIN PARK, YANG-HO JUNG, SEON HWA CHOI
  • Publication number: 20190074465
    Abstract: A manufacturing method of a display device according to some embodiments includes: forming a protrusion pattern on a carrier glass; coating a polymer on the protrusion pattern to form a polymer layer; forming a stacked structure on the polymer layer, including a transistor and an organic light emitting element connected to the transistor; and separating the carrier glass and the protrusion pattern from the polymer layer, wherein an opening penetrating the polymer layer is formed during the separation of the protrusion pattern.
    Type: Application
    Filed: March 21, 2018
    Publication date: March 7, 2019
    Inventors: Yang-Ho JUNG, Seon Hwa CHOI, Jun Gi KIM, Jeong Min PARK, Beung Hwa JEONG
  • Publication number: 20190019819
    Abstract: An exposure mask includes a first transmission portion, a second transmission portion, and a blocking portion. The first transmission portion is configured to, when illuminated with light, transmit the light at a first energy level. The first transmission portion is disposed in association with formation of a first contact hole in an underlying layer. The second transmission portion is configured to, when illuminated with the light, transmit the light at a second energy level. The second transmission portion is disposed in association with formation of a second contact hole in the underlying layer. The blocking portion is configured to block the light, and is disposed in association with a boundary region between a first region and a second region of the underlying layer. The second transmission portion is further configured to enable the second contact hole to be formed deeper into the underlying layer than the first contact hole.
    Type: Application
    Filed: September 19, 2018
    Publication date: January 17, 2019
    Inventors: Seung-Bo SHIM, Jun-Gi KIM, Yong-Jun PARK, Yang-Ho JUNG, Jin-Ho JU
  • Patent number: 10083998
    Abstract: An exposure mask includes a first transmission portion, a second transmission portion, and a blocking portion. The first transmission portion is configured to, when illuminated with light, transmit the light at a first energy level. The first transmission portion is disposed in association with formation of a first contact hole in an underlying layer. The second transmission portion is configured to, when illuminated with the light, transmit the light at a second energy level. The second transmission portion is disposed in association with formation of a second contact hole in the underlying layer. The blocking portion is configured to block the light, and is disposed in association with a boundary region between a first region and a second region of the underlying layer. The second transmission portion is further configured to enable the second contact hole to be formed deeper into the underlying layer than the first contact hole.
    Type: Grant
    Filed: April 19, 2017
    Date of Patent: September 25, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Bo Shim, Jun-Gi Kim, Yong-Jun Park, Yang-Ho Jung, Jin-Ho Ju
  • Publication number: 20170308196
    Abstract: A flexible display device including a display panel providing a base surface and a touch sensing part disposed on the base surface. The display panel further includes a buffer layer and is divided into a plurality of emission areas and non-emission areas disposed adjacent thereto. The buffer layer includes recessed portions, each of which has a groove defined in a corresponding emission area of the emission areas and flat portions connected to the recessed portions. The touch sensing part disposed on the buffer layer includes conductive patterns and an insulation layer covering the conductive patterns.
    Type: Application
    Filed: April 18, 2017
    Publication date: October 26, 2017
    Inventors: Beunghwa JEONG, Yang-ho JUNG
  • Patent number: 9795037
    Abstract: A touch panel includes: a uni-axially oriented base film; a transparent electrode pattern layer positioned on the uni-axially oriented base film; a first passivation layer formed in an edge region of the transparent electrode pattern layer and covering end portion side walls of the transparent electrode pattern layer; and a contact hole positioned on the first passivation layer and exposing the first passivation layer.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: October 17, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Koichi Sugitani, Hoon Kang, Chul Won Park, Yang-Ho Jung
  • Publication number: 20170256593
    Abstract: A touch display panel including a thin-film transistor substrate including a thin-film transistor, a pixel defining layer disposed on the thin-film transistor substrate and including a first opening, a light emitting structure disposed in the first opening, a thin film encapsulation layer covering the light emitting structure and the pixel defining layer, a first metal pattern disposed on the thin film encapsulation layer, a first insulation pattern disposed on the first metal pattern and having the same shape as the first metal pattern in a plan view, a second metal pattern disposed on the first insulation pattern, and a second insulation layer disposed on the second metal pattern and the thin film encapsulation layer and covering the first metal pattern, the first insulation pattern and the second metal pattern.
    Type: Application
    Filed: February 28, 2017
    Publication date: September 7, 2017
    Inventors: Yang-Ho JUNG, Chul-Won PARK, Jeong-Min PARK, Beung-Hwa JEONG
  • Publication number: 20170221937
    Abstract: An exposure mask includes a first transmission portion, a second transmission portion, and a blocking portion. The first transmission portion is configured to, when illuminated with light, transmit the light at a first energy level. The first transmission portion is disposed in association with formation of a first contact hole in an underlying layer. The second transmission portion is configured to, when illuminated with the light, transmit the light at a second energy level. The second transmission portion is disposed in association with formation of a second contact hole in the underlying layer. The blocking portion is configured to block the light, and is disposed in association with a boundary region between a first region and a second region of the underlying layer. The second transmission portion is further configured to enable the second contact hole to be formed deeper into the underlying layer than the first contact hole.
    Type: Application
    Filed: April 19, 2017
    Publication date: August 3, 2017
    Inventors: Seung-Bo Shim, Jung-Gi Kim, Yong-Jun Park, Yang-Ho Jung, Jin-Ho Ju
  • Patent number: 9671654
    Abstract: A liquid crystal display including: a first insulating substrate; a plurality of color filters disposed on the first insulating substrate; a light blocking member disposed on the color filters; a second insulating substrate facing the first insulating substrate; and a spacer disposed between the first insulating substrate and the second insulating substrate. The spacer includes a main column spacer and a sub-column spacer spaced apart from each other by a predetermined distance, a protrusion protruding toward the second insulating substrate by stacking at least one sub-color filter on the color filter, the main column spacer is disposed on the protrusion, and the light blocking member and the spacer are made of the same material.
    Type: Grant
    Filed: September 2, 2015
    Date of Patent: June 6, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hoon Kang, Yang-Ho Jung, Chul Won Park, Dae Youn Park, Jin Ho Ju
  • Patent number: 9594206
    Abstract: A complex substrate for a display apparatus, the complex substrate includes a lower base substrate including convex and concave patterns, the convex and concave patterns being integral with an upper side of the lower base substrate, a planarizing layer on the lower base substrate, the planarizing layer being integral with the convex and concave patterns, and the planarizing layer having different refractivity from the lower base substrate, and a wire grid pattern on the planarizing layer, the wire grid pattern including a plurality of nano wire metal patterns, each of the nano wire metal patterns having a width of no more than a micrometer.
    Type: Grant
    Filed: September 17, 2014
    Date of Patent: March 14, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yang-Ho Jung, Hoon Kang, Chul-Won Park, Jin-Ho Ju
  • Patent number: 9581848
    Abstract: A liquid crystal display includes: a substrate including a major surface; a thin film transistor disposed over the substrate; a pixel electrode connected to the thin film transistor and disposed over the thin film transistor; a common electrode facing the pixel electrode; a roof layer disposed over the common electrode; a microcavity disposed between the pixel electrode and the common electrode; and a liquid crystal material contained in the microcavity, in which a side wall of the microcavity has an angle of 80° to 90° with respect to the major surface.
    Type: Grant
    Filed: July 22, 2014
    Date of Patent: February 28, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Koichi Sugitani, Yang-Ho Jung, Hoon Kang, Jin Ho Ju
  • Patent number: 9576987
    Abstract: A display substrate includes a substrate having a first region and a second region, a conductive pattern is provided in the first region of the substrate and includes a first conductive pattern and a second conductive pattern, the first conductive pattern has a gate electrode and a source electrode, the second conductive pattern has a source electrode and a drain electrode, an insulation layer pattern is positioned on the conductive pattern and exposes an outer sidewall of the conductive pattern, an organic layer is provided in the first region and the second region of the substrate and covers the insulation layer pattern, and a pixel electrode is provided on the organic layer and is electrically connected to the drain electrode through a contact hole in the organic layer.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: February 21, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Bo Shim, Jin-Ho Ju, Jun-Gi Kim, Yang-Ho Jung
  • Patent number: 9551895
    Abstract: A liquid crystal display is provided. The liquid crystal display includes: a substrate; a thin film transistor; a pixel electrode; a roof layer; a plurality of microcavities; and a partition wall. The thin film transistor is disposed on the substrate. The pixel electrode is disposed on the thin film transistor. The roof layer faces the pixel electrode. The microcavities are between the pixel electrode and the roof layer, the microcavities include a liquid crystal material. The partition wall is between the microcavities, and the partition wall is perpendicular to the roof layer.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: January 24, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yang-Ho Jung, Pil Soon Hong, Jun Hong Park, Seung Bo Shim, Jin Ho Ju
  • Patent number: 9519173
    Abstract: A display panel includes a base substrate, a common electrode, a liquid crystal layer, a pixel electrode, a gate line, a data line, a switching element, a color filter and a light blocking pattern. The base substrate includes a trench. The common electrode is disposed in the trench. The liquid crystal layer is disposed in the trench and disposed on the common electrode. The pixel electrode is disposed on the base substrate and the liquid crystal layer. The gate line, the data line and the switching element are disposed on the base substrate and the pixel electrode. The color filter and the light blocking pattern are disposed on the gate line, the data line and the switching element.
    Type: Grant
    Filed: September 5, 2012
    Date of Patent: December 13, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yang-Ho Jung, Seung-Bo Shim, Jin-Ho Ju, Jun-Gi Kim