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).

  • Publication number: 20160299609
    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: Application
    Filed: October 27, 2015
    Publication date: October 13, 2016
    Inventors: Koichi SUGITANI, Hoon KANG, Chul Won PARK, Yang-Ho JUNG
  • Patent number: 9431437
    Abstract: A display panel includes a gate electrode and a gate line on a substrate, a gate insulating layer and an active layer sequentially on the gate electrode and the gate line, a planarization layer which is on the substrate and compensates for a step difference between the substrate, and the gate electrode and the gate line, respectively, source and drain electrodes on the active layer overlapping the gate electrode and spaced apart from each other, a data line on the active layer and crossing the gate line, a protective layer which covers the planarization layer, the source and drain electrodes, and the data line, a contact hole defined in the planarization layer and partially exposing the drain electrode, and a pixel electrode on the protective layer and electrically connected to the drain electrode through the contact hole.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: August 30, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yang-Ho Jung, SeungBo Shim, Jinho Ju, Junhong Park
  • Publication number: 20160202528
    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: Application
    Filed: September 2, 2015
    Publication date: July 14, 2016
    Inventors: Hoon KANG, Yang-Ho JUNG, Chul Won PARK, Dae Youn PARK, Jin Ho JU
  • Patent number: 9372370
    Abstract: A liquid crystal display includes: a substrate; a thin film transistor disposed on the substrate; a pixel electrode disposed on the thin film transistor; and a roof layer facing the pixel electrode, wherein a plurality of microcavities are formed between the pixel electrode and the roof layer, each microcavity includes liquid crystal materials, a partition wall is formed between the microcavities, and the roof layer includes a dry film.
    Type: Grant
    Filed: May 7, 2014
    Date of Patent: June 21, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yang-ho Jung, Hoon Kang, Seung Bo Shim, Jin Ho Ju
  • Publication number: 20160154286
    Abstract: A liquid crystal display device includes: an insulating substrate, a thin film transistor positioned on the insulating substrate, a pixel electrode connected to the thin film transistor, a pillar portion positioned on the pixel electrode, a common electrode positioned on the pillar portion, a liquid crystal layer filling in a cavity positioned between the pixel electrode, the pillar portion, and the common electrode and containing liquid crystal molecules, and a roof layer and an overcoat positioned on the common electrode, wherein a cross section of the cavity in a column direction is reversely tapered.
    Type: Application
    Filed: July 15, 2015
    Publication date: June 2, 2016
    Inventors: Yang Ho JUNG, Hoon KANG, Chul Won PARK, Koichi SUGITANI, Jin Ho JU
  • Publication number: 20160124258
    Abstract: A display device with a simplified manufacturing method is presented. The display device includes: a substrate; a thin film transistor formed on the substrate; a pixel electrode connected to the thin film transistor; a roof layer formed to be separated from the pixel electrode via a plurality of microcavities on the pixel electrode; a liquid crystal layer filling the microcavities; and an encapsulation layer formed on the roof layer and sealing the microcavities, wherein the roof layer includes a partition positioned between the plurality of microcavities, and the partition has a width decreases with increasing distance from the substrate.
    Type: Application
    Filed: May 12, 2015
    Publication date: May 5, 2016
    Inventors: Yang-Ho JUNG, Hoon KANG, Chul Won PARK, Koichi SUGITANI, Jin Ho JU
  • Publication number: 20160085099
    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: Application
    Filed: May 20, 2015
    Publication date: March 24, 2016
    Inventors: KOICHI SUGITANI, HOON KANG, CHUL-WON PARK, YANG-HO JUNG, JIN-HO JU
  • Publication number: 20160062200
    Abstract: A thin film transistor array substrate. The thin film transistor array substrate includes a stacked structure of: a light permeable substrate having a trench; a light blocking layer partially or entirely accommodated in the trench; a gate wiring formed on the light blocking layer; a semiconductor pattern layer formed on the gate wiring; and a data wiring formed on the semiconductor pattern layer.
    Type: Application
    Filed: January 26, 2015
    Publication date: March 3, 2016
    Inventors: Yang Ho Jung, Hoon Kang, Chul Won Park, Koichi Sugitani, Jin Ho Ju
  • Patent number: 9239518
    Abstract: A photosensitive resin composition includes: an acrylic copolymer comprising a polymerization product of a first monomer comprising at least one selected from an unsaturated carboxylic acid and an unsaturated carboxylic acid anhydride, and a second monomer comprising an olefin-based unsaturated compound; a photosensitive component comprising at least one 1,2-quinonediazide-5-sulfonic acid ester compound selected from compounds represented by Chemical Formulae 1 to 4; a coupling agent; and a solvent, wherein a total amount of asymmetric compounds in the photosensitive component is greater than or equal to 45 area percent as determined by high performance liquid chromatography: wherein R1 is a hydroxyl group or a methyl group, and NQD is a 1,2-quinonediazide 5-sulfonyl group.
    Type: Grant
    Filed: January 23, 2014
    Date of Patent: January 19, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Ho Ju, Seung Bo Shim, Jun Gi Kim, Yang-Ho Jung, Hyang-Shik Kong, Byung-Uk Kim, Jin-Sun Kim, Tae-Hoon Yeo, Hyoc-Min Youn, Sang-Hoon Lee
  • Publication number: 20150378224
    Abstract: A display panel is provided. A plurality of thin-film transistors is disposed on a substrate. A plurality of data lines is disposed on the substrate. Each data line is connected to each thin-film transistor. A plurality of color filters is disposed on the substrate. Each color filter is disposed between two adjacent data lines. A plurality of black matrices is disposed on the substrate. Each black matrix overlaps each data line. A liquid crystal layer is disposed on the plurality of color filters. The liquid crystal layer includes a flat area having a substantially flat surface and a stepped area having a stepped height. The stepped area is adjacent to an edge of the flat area.
    Type: Application
    Filed: December 24, 2014
    Publication date: December 31, 2015
    Inventors: Koichi SUGITANI, Hoon KANG, Chul-Won PARK, Yang-Ho JUNG, Jin-Ho JU
  • Patent number: 9128313
    Abstract: A method of manufacturing a liquid crystal display includes disposing a gate electrode and a light blocking member on a substrate, disposing a source electrode and a drain electrode on the gate electrode to form a thin film transistor, disposing a data line on the light blocking member, disposing an organic layer on the thin film transistor and the data line, exposing a first convex part of the organic layer to light in a first area corresponding to the thin film transistor during an exposure process, and exposing a second convex part of the organic layer to the light in a second area corresponding to the data line during the exposure process using a mask. The mask includes a first transflective part aligned with the first area and a second transflective part aligned with the second area during the exposure process.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: September 8, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Bo Shim, Jun Gi Kim, Yang-Ho Jung, Jin Ho Ju, Jun Hong Park
  • Publication number: 20150241622
    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: Application
    Filed: September 17, 2014
    Publication date: August 27, 2015
    Inventors: Yang-Ho JUNG, Hoon KANG, Chul-Won PARK, Jin-Ho JU
  • Publication number: 20150205153
    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: Application
    Filed: July 22, 2014
    Publication date: July 23, 2015
    Inventors: Koichi Sugitani, Yang-Ho Jung, Hoon Kang, Jin Ho Ju
  • Publication number: 20150198840
    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: Application
    Filed: June 18, 2014
    Publication date: July 16, 2015
    Inventors: Yang-Ho JUNG, Pil Soon HONG, Jun Hong PARK, Seung Bo SHIM, Jin Ho JU
  • Publication number: 20150171118
    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: Application
    Filed: July 2, 2014
    Publication date: June 18, 2015
    Inventors: Seung-Bo Shim, Jin-Ho Ju, Jun-Gi Kim, Yang-Ho Jung
  • Publication number: 20150146138
    Abstract: A liquid crystal display includes: a substrate; a thin film transistor disposed on the substrate; a pixel electrode disposed on the thin film transistor; and a roof layer facing the pixel electrode, wherein a plurality of microcavities are formed between the pixel electrode and the roof layer, each microcavity includes liquid crystal materials, a partition wall is formed between the microcavities, and the roof layer includes a dry film.
    Type: Application
    Filed: May 7, 2014
    Publication date: May 28, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Yang-ho Jung, Hoon Kang, Seung Bo Shim, Jin Ho Ju
  • Publication number: 20150060857
    Abstract: A display panel includes a gate electrode and a gate line on a substrate, a gate insulating layer and an active layer sequentially on the gate electrode and the gate line, a planarization layer which is on the substrate and compensates for a step difference between the substrate, and the gate electrode and the gate line, respectively, source and drain electrodes on the active layer overlapping the gate electrode and spaced apart from each other, a data line on the active layer and crossing the gate line, a protective layer which covers the planarization layer, the source and drain electrodes, and the data line, a contact hole defined in the planarization layer and partially exposing the drain electrode, and a pixel electrode on the protective layer and electrically connected to the drain electrode through the contact hole.
    Type: Application
    Filed: February 25, 2014
    Publication date: March 5, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Yang-Ho JUNG, SeungBo SHIM, Jinho JU, Junhong PARK
  • Publication number: 20150024583
    Abstract: A method of manufacturing a liquid crystal display includes disposing a gate electrode and a light blocking member on a substrate, disposing a source electrode and a drain electrode on the gate electrode to form a thin film transistor, disposing a data line on the light blocking member, disposing an organic layer on the thin film transistor and the data line, exposing a first convex part of the organic layer to light in a first area corresponding to the thin film transistor during an exposure process, and exposing a second convex part of the organic layer to the light in a second area corresponding to the data line during the exposure process using a mask. The mask includes a first transflective part aligned with the first area and a second transflective part aligned with the second area during the exposure process.
    Type: Application
    Filed: December 12, 2013
    Publication date: January 22, 2015
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: SEUNG BO SHIM, Jun Gi Kim, Yang-Ho Jung, Jin Ho Ju, Jun Hong Park
  • Publication number: 20140240645
    Abstract: A photosensitive resin composition comprises about 10 wt % to about 50 wt % of a solute comprising about 100 parts by weight of an acryl-based copolymer and about 5 to about 100 parts by weight of a 1,2-quinonediazide compound; and a solvent comprising a glycol-based material having a boiling point of greater than about 190° C., wherein the acryl-based copolymer is a copolymer of an unsaturated carbonic acid or an anhydride thereof, an epoxy group-containing unsaturated compound, and an olefin-based unsaturated compound.
    Type: Application
    Filed: February 24, 2014
    Publication date: August 28, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: SeungBo SHIM, Yang-Ho JUNG, Jinho JU, Hyang-Shik KONG, Junhong PARK, Nam-Yi KIM, Byung uk KIM, Jinsun KIM, TAI HOON YEO, Hyoc-min YOUN, SANG HOON LEE
  • Publication number: 20140234776
    Abstract: A photosensitive resin composition includes: an acrylic copolymer comprising a polymerization product of a first monomer comprising at least one selected from an unsaturated carboxylic acid and an unsaturated carboxylic acid anhydride, and a second monomer comprising an olefin-based unsaturated compound; a photosensitive component comprising at least one 1,2-quinonediazide-5-sulfonic acid ester compound selected from compounds represented by Chemical Formulae 1 to 4; a coupling agent; and a solvent, wherein a total amount of asymmetric compounds in the photosensitive component is greater than or equal to 45 area percent as determined by high performance liquid chromatography: wherein R1 is a hydroxyl group or a methyl group, and NQD is a 1,2-quinonediazide 5-sulfonyl group.
    Type: Application
    Filed: January 23, 2014
    Publication date: August 21, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jin Ho JU, Seung Bo SHIM, Jun Gi KIM, Yang-Ho JUNG, Hyang-Shik KONG, Byung-Uk KIM, Jin-Sun KIM, Tae-Hoon YEO, Hyoc-Min YOUN, Sang-Hoon LEE