Patents by Inventor Hyung Guen YOON

Hyung Guen YOON 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: 20250120280
    Abstract: A display device includes a reflective layer disposed on a substrate and reflecting light, a color conversion layer disposed on the reflective layer, absorbing light in a first wavelength band, and emitting light in a second wavelength band, a light emitting element layer disposed on the color conversion layer, and emitting the light in the first wavelength band, and a resonant filter disposed on the light emitting element layer, reflecting the light in the first wavelength band, and transmitting the light in the second wavelength band. The resonant filter includes a plurality of semi-transmission layers and at least one medium layer disposed between the semi-transmission layers.
    Type: Application
    Filed: September 19, 2024
    Publication date: April 10, 2025
    Applicant: Samsung Display Co., LTD.
    Inventor: Hyung Guen YOON
  • Publication number: 20250024730
    Abstract: A display device includes a light emitting element; a color conversion layer that absorbs light emitted from the light emitting element and emits one of first color light, second color light, and third color light; a color filter layer that allows light emitted from the color conversion layer to selectively pass through the color filter layer; and an intermediate layer disposed between the color conversion layer and the color filter layer, that reflects a portion of the third color light to the color conversion layer, and transmits portions of the first and second color light to the color filter layer. The intermediate layer includes first, second, third, fourth and fifth layers. Each of the first, third, and fifth layers include a conductive material. Each of the second and fourth layers include a material different from that of the first, third, and fifth layers.
    Type: Application
    Filed: July 10, 2024
    Publication date: January 16, 2025
    Applicant: Samsung Display Co., LTD.
    Inventor: Hyung Guen YOON
  • Publication number: 20240379914
    Abstract: A display device includes: a display unit; and a color converter on the display unit and including a color converting layer and a transmission layer, a bank between the color converting layer and the transmission layer, a first layer on the color converting layer, the transmission layer, and the bank, a second layer on the first layer, a third layer on the second layer, and a color filter on the third layer. The first layer includes a first sub-layer with a first refractive index equal to or greater than about 1.4 and less than about 1.8, and a second sub-layer with a second refractive index equal to or greater than about 1.8 and equal to or less than about 2.0. The second layer has a refractive index smaller than those of the first layer. The third layer has a refractive index greater than that of the second layer.
    Type: Application
    Filed: January 19, 2024
    Publication date: November 14, 2024
    Inventors: Gi Hoon YANG, JEONGSOO KIM, Hyung Guen YOON, Minseok LEE, Ho LIM, Suk-Kung CHEI
  • Publication number: 20240247152
    Abstract: An embodiment provides a resin composition including a liquid repellent, where the liquid repellent includes a compound represented by Chemical Formula I below or a compound represented by Chemical Formula 2 below:
    Type: Application
    Filed: January 17, 2024
    Publication date: July 25, 2024
    Inventors: Hyung Guen YOON, Suk Hoon KANG
  • Patent number: 11805683
    Abstract: A display device including a partition wall disposed on a substrate between a first electrode and a second electrode. The partition wall has an opening. A light emitting layer is disposed in the opening. An auxiliary layer having lyophobicity is disposed between the partition wall and the second electrode.
    Type: Grant
    Filed: December 8, 2021
    Date of Patent: October 31, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyung Guen Yoon, Suk Hoon Kang, Hee Ra Kim, Su Ji Park, Beom-Soo Shin, Hong Yeon Lee
  • Publication number: 20230257550
    Abstract: A photosensitive resin composition and a display device including the same are provided.
    Type: Application
    Filed: October 6, 2022
    Publication date: August 17, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyung Guen YOON, Suk Hoon KANG, Hyung Jun YU, Sun Young CHANG
  • Publication number: 20230180512
    Abstract: A display device includes a first display substrate including a light emitting element layer, a second display substrate facing the first display substrate and including a light blocking member and a color conversion layer, a coupling member that connects the first display substrate and the second display substrate to each other, and a filling member disposed between the first display substrate and the second display substrate. The filling member includes a photoinitiator that initiates by absorbing light of a wavelength band in a range of about 380 nm to about 500 nm, and the light blocking member and the color conversion layer cover a side of an entire surface of the second display substrate.
    Type: Application
    Filed: August 19, 2022
    Publication date: June 8, 2023
    Applicant: Samsung Display Co., LTD.
    Inventor: Hyung Guen YOON
  • Publication number: 20230178693
    Abstract: A display device includes pixels; a substrate; a first electrode and a second electrode disposed in each of the pixels and spaced apart from each other on a substrate; light-emitting elements disposed between the first electrode and the second electrode; a wavelength control layer disposed on the light-emitting elements; and a light-transmitting layer disposed between the light-emitting elements and the wavelength control layer, wherein the light-transmitting layer disposed in each of the pixels is spaced apart from the light-transmitting layer disposed in an adjacent one of the plurality of pixels.
    Type: Application
    Filed: August 4, 2022
    Publication date: June 8, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyung Guen YOON, Suk Hoon KANG
  • Publication number: 20220285465
    Abstract: According to some embodiments of the present disclosure, a display device includes: a substrate; a planarization layer on the substrate; a first alignment mark in a non-display area of the substrate; a first electrode and a second electrode in a display area of the substrate; a light emitting element electrically connected to the first electrode and the second electrode; a wavelength conversion layer on the light emitting element; a first bank on at least a part of the first electrode; and a second bank on the first bank to be around the wavelength conversion layer. A thickness of a part of the planarization layer that overlaps the first alignment mark in a thickness direction of the substrate is greater than a thickness of a part of the planarization layer that overlaps the first electrode and the second electrode in the thickness direction of the substrate.
    Type: Application
    Filed: November 9, 2021
    Publication date: September 8, 2022
    Inventors: Suk Hoon KANG, Hyung Guen YOON, Beom Soo SHIN, Ji Yoon JUNG, Sung Hwan HONG
  • Publication number: 20220140025
    Abstract: A display device including a partition wall disposed on a substrate between a first electrode and a second electrode. The partition wall has an opening. A light emitting layer is disposed in the opening. An auxiliary layer having lyophobicity is disposed between the partition wall and the second electrode.
    Type: Application
    Filed: December 8, 2021
    Publication date: May 5, 2022
    Inventors: Hyung Guen YOON, Suk Hoon KANG, Hee Ra KIM, Su Ji PARK, Beom-Soo SHIN, Hong Yeon LEE
  • Patent number: 11239294
    Abstract: A display device including a partition wall disposed on a substrate between a first electrode and a second electrode. The partition wall has an opening. A light emitting layer is disposed in the opening. An auxiliary layer having lyophobicity is disposed between the partition wall and the second electrode.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: February 1, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyung Guen Yoon, Suk Hoon Kang, Hee Ra Kim, Su Ji Park, Beom-Soo Shin, Hong Yeon Lee
  • Patent number: 10877196
    Abstract: A polarizer and a manufacturing method of a polarizer are provided. The polarizer includes: an alignment layer including a cured liquid crystalline material and having a plurality of concave portions defined on its surface to extend in a first direction; and a polarizing material layer containing a dye and disposed on the surface of the alignment layer on which the concave portions are defined.
    Type: Grant
    Filed: February 9, 2018
    Date of Patent: December 29, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung Hee Lee, Jae Hong Park, Ji Yun Park, Hyung Guen Yoon, Jae Bok Chang
  • Publication number: 20200168678
    Abstract: A display device including a partition wall disposed on a substrate between a first electrode and a second electrode. The partition wall has an opening. A light emitting layer is disposed in the opening. An auxiliary layer having lyophobicity is disposed between the partition wall and the second electrode.
    Type: Application
    Filed: November 27, 2019
    Publication date: May 28, 2020
    Inventors: Hyung Guen YOON, Suk Hoon KANG, Hee Ra KIM, Su Ji PARK, Beom-Soo SHIN, Hong Yeon LEE
  • Patent number: 10591777
    Abstract: A display device comprising: a first substrate, a second substrate facing the first substrate, a color conversion layer disposed on one surface of the second substrate and including quantum dots; a first circular polarizer disposed on the color conversion layer and a second circular polarizer disposed on either one surface of the first substrate facing one surface of the second substrate or the other surface opposed to the one surface of the first substrate.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: March 17, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyung Guen Yoon, Jae Hong Park, Dong Han Song, Ji Yun Park, Sang Hee Yu, Kyung Seon Tak
  • Patent number: 10519316
    Abstract: A dye compound represented by formula (A): wherein, in formula (A), CycA1 and each CycA0 are each independently 1,4-phenylene or 1,4-cyclohexylene, each EA0 is independently a single bond, *—(C?O)O—*, *—O(C?O)—*, C1-4 alkylene of the formula *—(CH2)k—* wherein k is a natural number, *—CH?CH—*, or *—C?C—*, j1 is an integer of 1 to 3, each AR is independently 1,4-phenylene or j2 is an integer of 1 or 2, LA1 is a single bond, *—O—*, *—(C?O)O—*, or *—O(C?O)—*, LA2 and LA3 are each independently a single bond or *—O—*, k1 is an integer of 0 to 12, k2 is an integer of 6 to 10, RA1 is a hydrogen atom, an acrylate group, or a methacrylate group, and RA2 is a hydrogen atom, a hydroxy group, an alkyl group, an alkoxy group, or
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: December 31, 2019
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Hyung Guen Yoon, Jae Hong Park, Ji Yun Park, Kyung Hee Lee, Jae Bok Chang, Kyung Seon Tak
  • Patent number: 10442931
    Abstract: Provided are a dye compound, a composition comprising the dye compound, and a display device using the dye compound. The dye compound is represented by Formula 1.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: October 15, 2019
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Jae Bok Chang, Ji Yun Park, Jae Hong Park, Hyung Guen Yoon, Kyung Hee Lee, Kyung Seon Tak
  • Publication number: 20190072700
    Abstract: A polarizer and a manufacturing method of a polarizer are provided. The polarizer includes: an alignment layer including a cured liquid crystalline material and having a plurality of concave portions defined on its surface to extend in a first direction; and a polarizing material layer containing a dye and disposed on the surface of the alignment layer on which the concave portions are defined.
    Type: Application
    Filed: February 9, 2018
    Publication date: March 7, 2019
    Inventors: Kyung Hee LEE, Jae Hong PARK, Ji Yun PARK, Hyung Guen YOON, Jae Bok CHANG
  • Publication number: 20180355179
    Abstract: Provided are a dye compound, a composition comprising the dye compound, and a display device using the dye compound. The dye compound is represented by Formula 1.
    Type: Application
    Filed: September 18, 2017
    Publication date: December 13, 2018
    Inventors: Jae Bok CHANG, Ji Yun PARK, Jae Hong PARK, Hyung Guen YOON, Kyung Hee LEE, Kyung Seon TAK
  • Publication number: 20180355181
    Abstract: A dye compound represented by formula (A): wherein, in formula (A), CycA1 and each CycA0 are each independently 1,4-phenylene or 1,4-cyclohexylene, each EA0 is independently a single bond, *—(C?O)O—*, *—O(C?O)—*, C1-4 alkylene of the formula *—(CH2)k—* wherein k is a natural number, *—CH?CH—*, or *—C?C—*, j1 is an integer of 1 to 3, each AR is independently 1,4-phenylene or j2 is an integer of 1 or 2, LA1 is a single bond, *—O—*, *—(C?O)O—*, or *—O(C?O)—*, LA2 and LA3 are each independently a single bond or *—O—*, k1 is an integer of 0 to 12, k2 is an integer of 6 to 10, RA1 is a hydrogen atom, an acrylate group, or a methacrylate group, and RA2 is a hydrogen atom, a hydroxy group, an alkyl group, an alkoxy group, or
    Type: Application
    Filed: September 8, 2017
    Publication date: December 13, 2018
    Inventors: Hyung Guen YOON, Jae Hong PARK, Ji Yun PARK, Kyung Hee LEE, Jae Bok CHANG, Kyung Seon TAK
  • Publication number: 20180348416
    Abstract: A polarizer comprises: an alignment layer including a photocured polymer material having a plurality of recessed portions formed at a surface to extend in a first direction; and a polarizing material layer disposed on the surface of the alignment layer having the recessed portions, the polarizing material layer including thermotropic liquid crystals and a dichroic dye.
    Type: Application
    Filed: September 20, 2017
    Publication date: December 6, 2018
    Inventors: Kyung Hee LEE, Jae Hong PARK, Ji Yun PARK, Hyung Guen YOON, Jae Bok CHANG, Kyung Seon TAK