Patents by Inventor Woosuk Jung

Woosuk 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: 11221438
    Abstract: A polarizing film including a polarizing layer, a reversed wavelength dispersion quarter waveguide (QWP) disposed on the polarizing layer, and a light-absorbing layer disposed on the polarizing layer, in which the light-absorbing layer includes a light absorber to absorb light having a wavelength in a range of about 380 nm to about 430 nm.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: January 11, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dukjin Lee, Woosuk Jung, Minha Kim
  • Publication number: 20210280825
    Abstract: A display panel including a main display area and a component area having an auxiliary display area and a transmission area, a substrate, a plurality of main display elements arranged on the substrate in the main display area, and a plurality of main pixel circuits respectively connected to the main display elements, a plurality of auxiliary display elements arranged on the substrate in the auxiliary display area, and a plurality of auxiliary pixel circuits respectively connected to the auxiliary display elements, and an optical functional layer including a polarization area corresponding to the main display area and the auxiliary display area, and a non-polarization area corresponding to the transmission area.
    Type: Application
    Filed: September 23, 2020
    Publication date: September 9, 2021
    Inventors: Beonghun Beon, Woosuk Jung, Minha Kim, Sunhwa Kim, Jeseon Yeon, Kwanhee Lee, Dukjin Lee
  • Patent number: 11114645
    Abstract: Provided is a display device including a display panel and a polarization member on the display panel, wherein the polarization member includes a polarizer, and a plurality of functional layers on at least one surface of the polarizer, wherein at least one of the plurality of functional layers includes a first light absorbing dye that absorbs light having a wavelength of greater than about 380 nm and equal to or less than about 450 nm.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: September 7, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jungjin Yang, Myunghwan Kim, Sunhwa Kim, Jieun Park, Wonjun Song, Kwanhee Lee, Dukjin Lee, Woosuk Jung, Heeseong Jeong
  • Publication number: 20210217816
    Abstract: A display panel and a manufacturing method of a display panel are provided. A display panel includes: a base substrate in which a pixel area and a peripheral area adjacent to the pixel area are defined; a light emitting element located on the base substrate to overlap the pixel area, and configured to generate first light; a light control layer on the light emitting element; a color filter layer on the light control layer; and a capping layer contacting at least the light control layer and including silicon oxynitride (SiON), and the capping layer contains about 34 at % to about 41 at % of oxygen, and about 18 at % to about 25 at % of nitrogen. Luminous efficiency of the display panel may be increased while maintaining durability of the display panel.
    Type: Application
    Filed: September 16, 2020
    Publication date: July 15, 2021
    Inventors: JAEHEUNG HA, WONJONG KIM, Yisu KIM, Jongwoo KIM, Changyeong SONG, JAEJIN LYU, Woosuk JUNG, Yongchan JU
  • Publication number: 20210217991
    Abstract: Provided is a display device including a base layer; a light emitting element layer disposed on the base layer; and a thin-film encapsulation layer disposed on and encapsulating the light emitting element layer, where the thin-film encapsulation layer includes an inorganic layer having at least one inorganic sub-layer pair, where the at least one inorganic sub-layer pair includes a first inorganic sub-layer having a first refractive index and a second inorganic sub-layer disposed on the first inorganic sub-layer and having a second refractive index different from the first refractive index.
    Type: Application
    Filed: September 15, 2020
    Publication date: July 15, 2021
    Inventors: Woosuk Jung, Su Jeong Kim, Jaeheung Ha, Wonjong Kim, Yisu Kim, Changyeong Song, Hyein Yang, Yongchan Ju
  • Publication number: 20210175469
    Abstract: An organic light-emitting display apparatus includes: a pixel electrode, an intermediate layer on the pixel electrode and including an emission layer, an opposite electrode on the pixel electrode such that the intermediate layer is therebetween, an inorganic encapsulation layer on the opposite electrode, an organic encapsulation layer on the inorganic encapsulation layer, and a protection layer on the organic encapsulation layer and including a first protection layer including silicon nitride and a second protection layer including silicon oxynitride.
    Type: Application
    Filed: June 18, 2020
    Publication date: June 10, 2021
    Inventors: Jongwoo KIM, Wonjong KIM, Yisu KIM, Changyeong SONG, Hyein YANG, Woosuk JUNG, Yongchan JU, Jaeheung HA
  • Publication number: 20210143228
    Abstract: A display apparatus includes a display panel configured to display an image. The display panel has a folding axis extending in a first direction. An optical film is disposed over the display panel. The optical film includes a circular polarizer including at least two phase retarders and one polarizer. Slow axes of each of the at least two phase retarders are located in the same quadrant of four quadrants of the optical film.
    Type: Application
    Filed: December 15, 2020
    Publication date: May 13, 2021
    Inventors: Dongwook Choi, Taeeun Kim, Heeyoung Lee, Dukjin Lee, Woosuk Jung
  • Publication number: 20210132275
    Abstract: A display device includes a display module that is folded with respect to a folding axis extending in a first direction, a polarization layer disposed on the display module and having a polarization axis parallel to the first direction, and a phase delay layer disposed on the polarization layer and configured to change linearly polarized light, which passes through the polarization layer, into circularly polarized light.
    Type: Application
    Filed: August 12, 2020
    Publication date: May 6, 2021
    Inventors: Beong-hun BEON, Dukjin LEE, Woosuk JUNG
  • Publication number: 20210111373
    Abstract: A display panel includes a light emitting element and an encapsulation layer on the light emitting element. The encapsulation layer covers the light emitting element. The encapsulation layer includes a plurality of polymer layers including a block copolymer. The plurality of polymer layers includes a plurality of first polymer layers, each of which has a first refractive index, and a plurality of second polymer layers, each of which has a second refractive index greater than the first refractive index. A difference between the first refractive index and the second refractive index is in a range of about 0.1 to about 0.6.
    Type: Application
    Filed: August 19, 2020
    Publication date: April 15, 2021
    Inventors: Seung-won PARK, WONJONG KIM, Jongwoo KIM, Changyeong SONG, Woosuk JUNG, JAEHEUNG HA
  • Publication number: 20210032156
    Abstract: An electronic panel includes: a base substrate divided into a hole region including a hole transmissive region overlapping an electronic module when viewed in a plan view and a light shielding region adjacent to the hole transmissive region, an active region adjacent to the hole region, and a peripheral region adjacent to the active region; a plurality of light emitting devices spaced apart from the hole region in the active region; a light shielding pattern spaced apart from the hole transmissive region in the light shielding region; and an encapsulation substrate on the base substrate and covering the light emitting devices, wherein the light shielding pattern comprises frit.
    Type: Application
    Filed: May 29, 2020
    Publication date: February 4, 2021
    Inventors: Hyunmin HWANG, Sangyeol KIM, Woosuk JUNG, Young Seo CHOI
  • Patent number: 10868083
    Abstract: A display apparatus includes a display panel configured to display an image. The display panel has a folding axis extending in a first direction. An optical film is disposed over the display panel. The optical film includes a circular polarizer including at least two phase retarders and one polarizer. Slow axes of each of the at least two phase retarders are located in the same quadrant of four quadrants of the optical film.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: December 15, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dongwook Choi, Taeeun Kim, Heeyoung Lee, Dukjin Lee, Woosuk Jung
  • Publication number: 20200271844
    Abstract: A polarizing film including a polarizing layer, a reversed wavelength dispersion quarter waveguide (QWP) disposed on the polarizing layer, and a light-absorbing layer disposed on the polarizing layer, in which the light-absorbing layer includes a light absorber to absorb light having a wavelength in a range of about 380 nm to about 430 nm.
    Type: Application
    Filed: December 17, 2019
    Publication date: August 27, 2020
    Inventors: Dukjin LEE, Woosuk JUNG, Minha KIM
  • Publication number: 20200006441
    Abstract: A display apparatus includes a display panel configured to display an image. The display panel has a folding axis extending in a first direction. An optical film is disposed over the display panel. The optical film includes a circular polarizer including at least two phase retarders and one polarizer. Slow axes of each of the at least two phase retarders are located in the same quadrant of four quadrants of the optical film.
    Type: Application
    Filed: July 25, 2019
    Publication date: January 2, 2020
    Inventors: Dongwook Choi, Taeeun Kim, Heeyoung Lee, Dukjin Lee, Woosuk Jung
  • Patent number: 10396128
    Abstract: A display apparatus includes a display panel configured to display an image. The display panel has a folding axis extending in a first direction. An optical film is disposed over the display panel. The optical film includes a circular polarizer including at least two phase retarders and one polarizer. Slow axes of each of the at least two phase retarders are located in the same quadrant of four quadrants of the optical film.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: August 27, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dongwook Choi, Taeeun Kim, Heeyoung Lee, Dukjin Lee, Woosuk Jung
  • Patent number: 10330842
    Abstract: A polarizer for a display device is disclosed. In one aspect, the polarizer includes a linear polarizer and a phase retardation layer on the linear polarizer and comprising a quarter-wave plate and a half-wave plate. The half-wave plate includes a refractive index anisotropic layer. The refractive index anisotropic layer has a refractive index Nx defined in a direction of an x axis, a refractive index Ny defined in a direction of a y axis, and a refractive index Nz defined in a direction of a z axis, wherein Nx=Nz>Ny.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: June 25, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Junghee Son, Woosuk Jung, Hyejung Park, Dukjin Lee
  • Publication number: 20180217310
    Abstract: A polarizer for a display device is disclosed. In one aspect, the polarizer includes a linear polarizer and a phase retardation layer on the linear polarizer and comprising a quarter-wave plate and a half-wave plate. The half-wave plate includes a refractive index anisotropic layer. The refractive index anisotropic layer has a refractive index Nx defined in a direction of an x axis, a refractive index Ny defined in a direction of a y axis, and a refractive index Nz defined in a direction of a z axis, wherein Nx=Nz>Ny.
    Type: Application
    Filed: March 26, 2018
    Publication date: August 2, 2018
    Inventors: Junghee Son, Woosuk Jung, Hyejung Park, Dukjin Lee
  • Patent number: 9952369
    Abstract: A polarizer for a display device is disclosed. In one aspect, the polarizer includes a linear polarizer and a phase retardation layer on the linear polarizer and comprising a quarter-wave plate and a half-wave plate. The half-wave plate includes a refractive index anisotropic layer. The refractive index anisotropic layer has a refractive index Nx defined in a direction of an x axis, a refractive index Ny defined in a direction of a y axis, and a refractive index Nz defined in a direction of a z axis, wherein Nx=Nz>Ny.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: April 24, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Junghee Son, Woosuk Jung, Hyejung Park, Dukjin Lee
  • Patent number: 9853236
    Abstract: A polarizer includes: an adhesive layer including a binder resin and a light absorbing component dispersed in the binder resin, the light absorbing component including: a first light absorbing component to absorb a first light having a peak wavelength of about 430 nm or less; and a second light absorbing component to absorb a second light having a peak wavelength ranging from about 640 nm to about 720 nm; a phase retardation layer on the adhesive layer; and a linear polarizer on the phase retardation layer.
    Type: Grant
    Filed: February 29, 2016
    Date of Patent: December 26, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dukjin Lee, Junghee Son, Woosuk Jung
  • Publication number: 20170317316
    Abstract: Provided is a display device including a display panel and a polarization member on the display panel, wherein the polarization member includes a polarizer, and a plurality of functional layers on at least one surface of the polarizer, wherein at least one of the plurality of functional layers includes a first light absorbing dye that absorbs light having a wavelength of about 380 nm to about 450 nm.
    Type: Application
    Filed: October 24, 2016
    Publication date: November 2, 2017
    Inventors: Jungjin YANG, Myunghwan KIM, Wonjun SONG, Kwanhee LEE, Sunhwa KIM, Jieun PARK, Dukjin LEE, Woosuk JUNG, Heeseong JEONG
  • Publication number: 20170317315
    Abstract: Provided is a display device including a display panel and a polarization member on the display panel, wherein the polarization member includes a polarizer, and a plurality of functional layers on at least one surface of the polarizer, wherein at least one of the plurality of functional layers includes a first light absorbing dye that absorbs light having a wavelength of greater than about 380 nm and equal to or less than about 450 nm.
    Type: Application
    Filed: April 28, 2017
    Publication date: November 2, 2017
    Inventors: Jungjin YANG, Myunghwan KIM, Sunhwa KIM, Jieun PARK, Wonjun SONG, Kwanhee LEE, Dukjin LEE, Woosuk JUNG, Heeseong JEONG