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: 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
  • Patent number: 8809467
    Abstract: An organic layer composition and a liquid crystal display including the same are provided. An organic layer composition according to an exemplary embodiment includes a binder formed by copolymerizing compounds included in a first group and a second group, wherein the first group includes an acryl-based compound and the second group includes a compound without a —COO— group.
    Type: Grant
    Filed: March 12, 2010
    Date of Patent: August 19, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hoon Kang, Jae-Sung Kim, Yang-Ho Jung, Jin-Ho Ju, Doo-Hee Jung, Jung-In Park, Shi-Yul Kim
  • Publication number: 20140147976
    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: March 15, 2013
    Publication date: May 29, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Seung-Bo SHIM, Jun-Gi Kim, Yong-Jun Park, Yang-Ho Jung, Jin-Ho Ju
  • Publication number: 20140124775
    Abstract: A coating solution coating solution for forming a transparent dielectric thin film is provided. The coating solution includes a precursor for a first substance including aluminum, a precursor for a second substance including zirconium, and a solvent that dissolves the first and second substances. The solvent is composed of a first solvent and a second solvent.
    Type: Application
    Filed: September 3, 2013
    Publication date: May 8, 2014
    Applicant: Industry-Academic Cooperation Foundation, Yonsei University
    Inventors: Joo Ho Moon, Woo Seok Yang, Keun Kyu Song, Yang Ho Jung
  • Patent number: 8629861
    Abstract: A manufacturing method of a thin film transistor array panel includes forming a gate line, forming a gate insulating layer on the gate line, forming a data line including a drain electrode on the gate insulating layer, forming a passivation layer on the gate insulating layer, the data line, and the drain electrode, forming a negative photosensitive organic layer on the passivation layer, heat treating the negative photosensitive organic layer to form an insulating layer including a first portion, and a second portion that is thinner than the first portion, and forming a pixel electrode, a first contact assistant, and a second contact assistant on the insulating layer. The pixel electrode is disposed on the first portion, the first and second contact assistants are disposed on the second portion, and the thickness of the second portion is less than about 1.5 micrometers (?m).
    Type: Grant
    Filed: May 2, 2013
    Date of Patent: January 14, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae-Sung Kim, Hoon Kang, Yang-Ho Jung
  • Publication number: 20130335664
    Abstract: A display panel includes a substrate, a thin film transistor on the substrate, a first electrode electrically connected to the thin film transistor, a first insulation layer covering the first electrode, an image displaying layer disposed on the first insulation layer, a second insulation layer disposed on the image displaying layer, a second electrode disposed on the second insulation layer and insulated from the first electrode, and a protecting layer disposed on the second electrode. The protecting layer surrounds a portion of an upper surface and a side surface of the image displaying layer. The protecting layer includes a light curable material.
    Type: Application
    Filed: January 3, 2013
    Publication date: December 19, 2013
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung-Bo SHIM, Yang-Ho JUNG, Jin-Ho JU, Da-Woon KIM, Jun-Gi KIM
  • Patent number: 8587761
    Abstract: A liquid crystal display includes a first substrate, a gate line and first and second data lines disposed on the first substrate, a first thin film transistor connected to the gate line and the first data line, a second thin film transistor connected to the gate line and the second data line, a color filter disposed on the first substrate, a protrusion disposed on the color filter, a first pixel electrode including a first linear electrode disposed on the protrusion and connected to the first thin film transistor, a second pixel electrode including a second linear electrode disposed on the protrusion and connected to the second thin film transistor, a second substrate disposed facing the first substrate, and blue phase liquid crystal disposed between the first substrate and the second substrate.
    Type: Grant
    Filed: May 14, 2012
    Date of Patent: November 19, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hoon Kang, Yong-Hwan Shin, Hong-Jo Park, Jae-Sung Kim, Yang-Ho Jung
  • Publication number: 20130248868
    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: Application
    Filed: September 5, 2012
    Publication date: September 26, 2013
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yang-Ho JUNG, Seung-Bo SHIM, Jin-Ho JU, Jun-Gi KIM
  • Publication number: 20130240889
    Abstract: A manufacturing method of a thin film transistor array panel includes forming a gate line, forming a gate insulating layer on the gate line, forming a data line including a drain electrode on the gate insulating layer, forming a passivation layer on the gate insulating layer, the data line, and the drain electrode, forming a negative photosensitive organic layer on the passivation layer, heat treating the negative photosensitive organic layer to form an insulating layer including a first portion, and a second portion that is thinner than the first portion, and forming a pixel electrode, a first contact assistant, and a second contact assistant on the insulating layer. The pixel electrode is disposed on the first portion, the first and second contact assistants are disposed on the second portion, and the thickness of the second portion is less than about 1.5 micrometers (?m).
    Type: Application
    Filed: May 2, 2013
    Publication date: September 19, 2013
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jae-Sung KIM, Hoon KANG, Yang-Ho JUNG
  • Patent number: 8519408
    Abstract: Disclosed is a method of producing a thin film transistor substrate having high light sensitivity, heat-resistance, impact resistance, and a photosensitive composition used by the same, the method including forming data wires on an insulating substrate, forming an organic insulating film on the data wires by applying a photosensitive composition comprising a terpolymer, where the terpolymer is derived from monomers of an unsaturated carboxylic acid, an unsaturated carboxylic acid anhydride, or a mixture thereof, an unsaturated epoxy group-containing compound, and an olefinic compound.
    Type: Grant
    Filed: August 30, 2012
    Date of Patent: August 27, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hoon Kang, Jae-sung Kim, Yang-ho Jung, Hi-kuk Lee
  • Patent number: 8501512
    Abstract: A manufacturing method of a thin film transistor array panel includes forming a gate line, forming a gate insulating layer on the gate line, forming a data line including a drain electrode on the gate insulating layer, forming a passivation layer on the gate insulating layer, the data line, and the drain electrode, forming a negative photosensitive organic layer on the passivation layer, heat treating the negative photosensitive organic layer to form an insulating layer including a first portion, and a second portion that is thinner than the first portion, and forming a pixel electrode, a first contact assistant, and a second contact assistant on the insulating layer. The pixel electrode is disposed on the first portion, the first and second contact assistants are disposed on the second portion, and the thickness of the second portion is less than about 1.5 micrometers (?m).
    Type: Grant
    Filed: October 22, 2010
    Date of Patent: August 6, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae-Sung Kim, Hoon Kang, Yang-Ho Jung