Patents by Inventor Beung Hwa Jeong

Beung Hwa 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: 10991772
    Abstract: A touch display panel including a thin-film transistor substrate comprising 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 a plane area the same as or smaller than that of the first metal pattern, 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 contacting the first metal pattern, the first insulation pattern, and the second metal pattern.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: April 27, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yang-Ho Jung, Chul-Won Park, Jeong-Min Park, Beung-Hwa Jeong
  • Patent number: 10564549
    Abstract: A method of forming a thin film pattern includes providing a thin film on a substrate, providing a photoresist on the thin film, forming a first photoresist pattern having a first packing density by exposing and developing the photoresist, etching the thin film by using the first photoresist pattern as a mask, processing the first photoresist pattern to convert the first photoresist pattern into a second photoresist pattern having a second packing density, which is lower than the first packing density, and stripping the second photoresist pattern by spraying steam onto the second photoresist pattern.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: February 18, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Beung Hwa Jeong, Jong Hyun Choung, Sung Chul Kim
  • Publication number: 20200020748
    Abstract: A touch display panel including a thin-film transistor substrate comprising 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 a plane area the same as or smaller than that of the first metal pattern, 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 contacting the first metal pattern, the first insulation pattern, and the second metal pattern.
    Type: Application
    Filed: September 26, 2019
    Publication date: January 16, 2020
    Inventors: YANG-HO JUNG, CHUL-WON PARK, JEONG-MIN PARK, BEUNG-HWA JEONG
  • Patent number: 10494483
    Abstract: A photosensitive resin composition, an organic light emitting display device, and method for manufacturing an organic light emitting device, the composition including a photosensitive compound; a solvent; and a silsesquioxane-based copolymer, the silsesquioxane-based copolymer being obtained by copolymerizing a compound represented by the following Chemical Formula 1 with at least one of a compound represented by the following Chemical Formula 2, and a compound represented by the following Chemical Formula 3; R1—R2—Si(R3)3??[Chemical Formula 1] R4—Si(R5)3??[Chemical Formula 2] Si(R6)4.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: December 3, 2019
    Assignees: Samsung Display Co., Ltd., LTC Co., Ltd.
    Inventors: Jeong Won Kim, Jun Hyuk Woo, Jin Ho Ju, Beung Hwa Jeong, Jun-young Kim, Hwa-young Kim, Ho-Sung Choi
  • 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: 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: 20180203360
    Abstract: A method of forming a thin film pattern includes providing a thin film on a substrate, providing a photoresist on the thin film, forming a first photoresist pattern having a first packing density by exposing and developing the photoresist, etching the thin film by using the first photoresist pattern as a mask, processing the first photoresist pattern to convert the first photoresist pattern into a second photoresist pattern having a second packing density, which is lower than the first packing density, and stripping the second photoresist pattern by spraying steam onto the second photoresist pattern.
    Type: Application
    Filed: August 31, 2017
    Publication date: July 19, 2018
    Inventors: BEUNG HWA JEONG, JONG HYUN CHOUNG, SUNG CHUL KIM
  • 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: 20170226294
    Abstract: A photosensitive resin composition, an organic light emitting display device, and method for manufacturing an organic light emitting device, the composition including a photosensitive compound; a solvent; and a silsesquioxane-based copolymer, the silsesquioxane-based copolymer being obtained by copolymerizing a compound represented by the following Chemical Formula 1 with at least one of a compound represented by the following Chemical Formula 2, and a compound represented by the following Chemical Formula 3; R1-R2—Si(R3)3??[Chemical Formula 1] R4—Si(R5)3??[Chemical Formula 2] Si(R6)4.
    Type: Application
    Filed: January 27, 2017
    Publication date: August 10, 2017
    Inventors: Jeong Won KIM, Jun Hyuk WOO, Jin Ho JU, Beung Hwa JEONG, Jun-young KIM, Hwa-young KIM, Ho-Sung CHOI
  • Patent number: 9362504
    Abstract: A method for manufacturing a display panel, including defining a desorbing area of a support substrate by forming one of a release layer or a recess portion in the desorbing area, cleaning a surface of the support substrate, disposing a thin film substrate on the support substrate, directly bonding, in an adsorbing area external to the desorbing area, the thin film substrate to the support substrate, forming a pixel and a sealing member on the thin film substrate, cutting the sealing member and the thin film substrate at a location that corresponds to the desorbing area, and separating the support substrate from the thin film substrate.
    Type: Grant
    Filed: July 9, 2014
    Date of Patent: June 7, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hong Ro Lee, Beung Hwa Jeong, Sung Hoon Hong
  • Patent number: 9293729
    Abstract: An organic light emitting diode display may include a display substrate including an organic light emitting diode, a sealing member facing the display substrate to cover the organic light emitting diode, a sealant positioned between the display substrate and the sealing member and bonding the display substrate and the sealing member, and a reinforcing member positioned at an outer surface of the sealant and a space between the display substrate and the sealing member, in which shear stress and hardness of the reinforcing member are a function of a sum of thicknesses of the display substrate and the sealing member.
    Type: Grant
    Filed: August 14, 2014
    Date of Patent: March 22, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hong Ro Lee, Yo Sub Ko, Beung Hwa Jeong
  • Patent number: 9276047
    Abstract: A method for manufacturing a flexible display device includes forming a separation layer on a carrier substrate, laminating a flexible substrate having an area that is larger than an area of the separation layer, to the separation layer; forming a dummy pattern on and along an edge of the flexible substrate; exposing a portion of the separation layer by removing a portion of the flexible substrate at a side of the flexible substrate; and separating the separation layer and the flexible substrate from each other.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: March 1, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yo-Sub Ko, Beung-Hwa Jeong, Hong-Ro Lee, Chang-Mo Park, Sung-Hoon Hong
  • Patent number: 9199285
    Abstract: A substrate cleaning system including a carrying unit having a plurality of rollers for carrying a substrate, wherein each of the rollers includes a roller shaft and a plurality of division rollers coupled to the roller shaft, and wherein a gap between adjacent ones of the roller shafts is larger than a radius of each of the division rollers; a first rinse unit located along the carrying unit and configured to apply a first cleaning liquid onto the substrate; and a cleaning unit comprising a slit nozzle and configured to apply a second cleaning liquid to the substrate after it encounters the first rinse unit.
    Type: Grant
    Filed: April 28, 2011
    Date of Patent: December 1, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Beung-Hwa Jeong, Kwang-Nam Kim
  • Patent number: 9166201
    Abstract: A manufacturing method of an organic light emitting diode (“OLED”) display includes: forming a contact pattern on a panel region of a surface of a board glass, where the board glass includes the panel region, and a peripheral area which surrounds the panel region; contacting the paper glass with a surface of the contact pattern corresponding to the panel region and the surface of the board glass corresponding to the peripheral area; adhering the surface of the board glass corresponding to the peripheral area to a surface of the paper glass; forming an organic light emitting element on the paper glass corresponding to the panel region; and separating the paper glass from the board glass by cutting the paper glass at a position corresponding to an end portion of the panel region adjacent to the peripheral area.
    Type: Grant
    Filed: February 27, 2014
    Date of Patent: October 20, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Beung Hwa Jeong, Hong Ro Lee, Chang Mo Park, Yo Seoph Ko, Dong Min Lee, Sung Hoon Hong
  • Patent number: 9076984
    Abstract: A mother panel for a display panel includes a first mother substrate and a second mother substrate that are spaced apart from each other to face each other, each of which includes at least one usable area that is usable as the display panel, and at least one unusable area that surrounds the usable area. The mother panel also includes a plurality of display panel patterns between the first mother substrate and the second mother substrate that are spaced apart from one another in the usable area, a seal pattern that adheres the first mother substrate with the second mother substrate and seals each of the plurality of display panel patterns, and an etching stopping unit that prevents an etchant from permeating between the first mother substrate and the second mother substrate and prevents a boundary area of an etching target surface from being etched.
    Type: Grant
    Filed: September 4, 2013
    Date of Patent: July 7, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Beung-Hwa Jeong, Hyun-Soo Choi, Jin-Hyun Kim
  • Publication number: 20150140705
    Abstract: A method for manufacturing a display panel, including defining a desorbing area of a support substrate by forming one of a release layer or a recess portion in the desorbing area, cleaning a surface of the support substrate, disposing a thin film substrate on the support substrate, directly bonding, in an adsorbing area external to the desorbing area, the thin film substrate to the support substrate, forming a pixel and a sealing member on the thin film substrate, cutting the sealing member and the thin film substrate at a location that corresponds to the desorbing area, and separating the support substrate from the thin film substrate.
    Type: Application
    Filed: July 9, 2014
    Publication date: May 21, 2015
    Inventors: Hong Ro Lee, Beung Hwa Jeong, Sung Hoon Hong
  • Publication number: 20150102315
    Abstract: An organic light emitting diode display may include a display substrate including an organic light emitting diode, a sealing member facing the display substrate to cover the organic light emitting diode, a sealant positioned between the display substrate and the sealing member and bonding the display substrate and the sealing member, and a reinforcing member positioned at an outer surface of the sealant and a space between the display substrate and the sealing member, in which shear stress and hardness of the reinforcing member are a function of a sum of thicknesses of the display substrate and the sealing member.
    Type: Application
    Filed: August 14, 2014
    Publication date: April 16, 2015
    Inventors: Hong Ro LEE, Yo Sub KO, Beung Hwa JEONG
  • Publication number: 20150072449
    Abstract: A manufacturing method of an organic light emitting diode (“OLED”) display includes: forming a contact pattern on a panel region of a surface of a board glass, where the board glass includes the panel region, and a peripheral area which surrounds the panel region; contacting the paper glass with a surface of the contact pattern corresponding to the panel region and the surface of the board glass corresponding to the peripheral area; adhering the surface of the board glass corresponding to the peripheral area to a surface of the paper glass; forming an organic light emitting element on the paper glass corresponding to the panel region; and separating the paper glass from the board glass by cutting the paper glass at a position corresponding to an end portion of the panel region adjacent to the peripheral area.
    Type: Application
    Filed: February 27, 2014
    Publication date: March 12, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Beung Hwa JEONG, Hong Ro LEE, Chang Mo PARK, Yo Seoph KO, Dong Min LEE, Sung Hoon HONG
  • Publication number: 20150050758
    Abstract: A method for manufacturing a flexible display device includes forming a separation layer on a carrier substrate, laminating a flexible substrate having an area that is larger than an area of the separation layer, to the separation layer; forming a dummy pattern on and along an edge of the flexible substrate; exposing a portion of the separation layer by removing a portion of the flexible substrate at a side of the flexible substrate; and separating the separation layer and the flexible substrate from each other.
    Type: Application
    Filed: January 30, 2014
    Publication date: February 19, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Yo-Sub KO, Beung-Hwa JEONG, Hong-Ro LEE, Chang-Mo PARK, Sung-Hoon Hong