Patents by Inventor Wonmin Yun

Wonmin Yun 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: 20200227485
    Abstract: A display device includes a first substrate in which a first pixel region and a second pixel region are defined, a second substrate including a first display element and a second display element, a first layer having a first refractive index, and a second layer having a second refractive index. The first substrate includes a first wavelength conversion layer disposed in the first pixel region and a second wavelength conversion layer disposed in the second pixel region. A total reflection critical angle between the first layer and the second layer is smaller than an incident angle of light which is emitted from the first display element and is incident into the second wavelength conversion layer.
    Type: Application
    Filed: September 26, 2019
    Publication date: July 16, 2020
    Inventors: EUNG SEOK PARK, Yisu Kim, Jongwoo Kim, Hyein Yang, Wonmin Yun, Byoungduk Lee, Yongchan Ju, Jaeheung Ha
  • Patent number: 10707445
    Abstract: A display apparatus includes a substrate, a display arranged on the substrate and including a plurality of display elements, and an encapsulator arranged on the display and encapsulating the display. The encapsulator may include at least one inorganic film and at least one organic film, and the at least one organic film may include a matrix and an ultraviolet light absorbent dispersed in the matrix.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: July 7, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Wonmin Yun, Yisu Kim, Eungseok Park, Byoungduk Lee, Yoonhyeung Cho, Yongchan Ju
  • Publication number: 20200203663
    Abstract: A display device includes: a substrate; an organic light-emitting diode positioned above the substrate; and a thin film encapsulation layer disposed on the organic light-emitting diode. The thin film encapsulation layer includes: at least one inorganic layer; and at least one organic layer disposed on the at least one inorganic layer. The at least one organic layer has a refractive index of about 1.66 or greater.
    Type: Application
    Filed: March 5, 2020
    Publication date: June 25, 2020
    Inventors: Yongchan Ju, Yisu Kim, Eungseok Park, Wonmin Yun, Byoungduk Lee, Yoonhyeung Cho
  • Patent number: 10658542
    Abstract: A quantum dot light-emitting device includes: a first electrode; a second electrode opposite to the first electrode; an emission layer between the first electrode and the second electrode, the emission layer including quantum dots; and an inorganic layer between the emission layer and the second electrode, the inorganic layer including a metal halide.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: May 19, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yisu Kim, Dongchan Kim, Eungseok Park, Wonmin Yun, Byoungduk Lee, Yongchan Ju
  • Patent number: 10608207
    Abstract: A display device includes: a substrate; an organic light-emitting diode positioned above the substrate; and a thin film encapsulation layer disposed on the organic light-emitting diode. The thin film encapsulation layer includes: at least one inorganic layer; and at least one organic layer disposed on the at least one inorganic layer. The at least one organic layer has a refractive index of about 1.66 or greater.
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: March 31, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yongchan Ju, Yisu Kim, Eungseok Park, Wonmin Yun, Byoungduk Lee, Yoonhyeung Cho
  • Publication number: 20190393447
    Abstract: An organic light-emitting device includes a substrate, an organic light-emitting diode on the substrate, an encapsulation layer sealing the organic light-emitting diode, and an ultraviolet-reflective layer, the encapsulation layer including at least one inorganic layer and at least one organic layer that are alternately stacked, at least one selected from the at least one organic layer included in the encapsulation layer including an ultraviolet-absorbing material, and the ultraviolet-reflective layer consisting of an inorganic material.
    Type: Application
    Filed: January 29, 2019
    Publication date: December 26, 2019
    Inventors: Wonmin YUN, Yohan KIM, Yisu KIM, Eungseok PARK, Byoungduk LEE, Yoonhyeung CHO, Youngcheol JOO, Yongchan JU
  • Patent number: 10501655
    Abstract: An organic film forming composition having improved hygroscopic properties (e.g., moisture-adsorbing abilities) and an electronic apparatus including a cured product of the organic film forming composition.
    Type: Grant
    Filed: June 15, 2016
    Date of Patent: December 10, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Wonmin Yun, Eungseok Park, Byoungduk Lee, Yunah Chung, Yoonhyeung Cho, Yongchan Ju
  • Publication number: 20190348472
    Abstract: An organic light-emitting display apparatus includes a substrate; a pixel electrode over the substrate; a pixel-defining layer including an opening that exposes at least a portion of the pixel electrode; an intermediate layer, which is over the portion of the pixel electrode exposed by the opening and includes an organic emission layer; a counter electrode over the intermediate layer; and an encapsulating structure, which is over the counter electrode and includes at least one inorganic layer and at least one organic layer, and the at least one organic layer includes quantum dots and is in the opening.
    Type: Application
    Filed: July 23, 2019
    Publication date: November 14, 2019
    Inventors: Wonmin Yun, Yisu Kim, Eungseok Park, Byoungduk Lee, Yunah Chung, Yoonhyeung Cho, Yongchan Ju
  • Publication number: 20190296263
    Abstract: A display apparatus includes a substrate, a display arranged on the substrate and including a plurality of display elements, and an encapsulator arranged on the display and encapsulating the display. The encapsulator may include at least one inorganic film and at least one organic film, and the at least one organic film may include a matrix and an ultraviolet light absorbent dispersed in the matrix.
    Type: Application
    Filed: June 13, 2019
    Publication date: September 26, 2019
    Inventors: Wonmin Yun, Yisu Kim, Eungseok Park, Byoungduk Lee, Yoonhyeung Cho, Yongchan Ju
  • Publication number: 20190280064
    Abstract: Provided is an electronic apparatus including: a substrate; a pixel defined layer defining a plurality of pixel areas and a plurality of non-pixel areas on the substrate; a plurality of light-emitting diodes arranged on the plurality of the pixel areas; and a thin film encapsulation portion including an organic film and sealing the pixel defined layer, or the plurality of the light-emitting diodes and the pixel defined layer, wherein the organic film includes a curable material of a composition for forming an organic film, the composition including at least one UV absorber.
    Type: Application
    Filed: March 7, 2019
    Publication date: September 12, 2019
    Inventors: Yohan KIM, Yisu KIM, Wonmin YUN, Byoungduk LEE, Yoonhyeung CHO
  • Patent number: 10381596
    Abstract: An organic light-emitting display apparatus includes a substrate, an organic light-emitting device disposed above the substrate, and an encapsulation unit disposed above the organic light-emitting device and sealing the organic light-emitting device, wherein the encapsulation unit includes a compound represented by Formula 1. [R1-(L1)a1]b1-(Ar1)c1-[(L2)a2-R2]b2.
    Type: Grant
    Filed: May 7, 2018
    Date of Patent: August 13, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eunjae Jeong, Youngkook Kim, Yohan Kim, Esu Kim, Jongwoo Kim, Jangyeol Baek, Wonmin Yun, Sanghyun Han, Seokhwan Hwang
  • Publication number: 20190229290
    Abstract: Provided are a heterocyclic compound and an electronic apparatus. The electronic apparatus includes: a substrate; an organic light-emitting device on the substrate; and a thin film encapsulation portion sealing the organic light-emitting device, the thin film encapsulation portion including an ultraviolet (UV) stabilizing mixture, and the UV stabilizing mixture including a UV absorbent and a radical scavenger.
    Type: Application
    Filed: January 16, 2019
    Publication date: July 25, 2019
    Inventors: Yohan KIM, Wonmin YUN, Yisu KIM, Byoungduk LEE, Yoonhyeung CHO
  • Publication number: 20190221707
    Abstract: A quantum dot light-emitting device includes: a first electrode; a second electrode opposite to the first electrode; an emission layer between the first electrode and the second electrode, the emission layer including quantum dots; and an inorganic layer between the emission layer and the second electrode, the inorganic layer including a metal halide.
    Type: Application
    Filed: March 22, 2019
    Publication date: July 18, 2019
    Inventors: Yisu Kim, Dongchan Kim, Eungseok Park, Wonmin Yun, Byoungduk Lee, Yongchan Ju
  • Patent number: 10355243
    Abstract: A display apparatus includes a substrate, a display arranged on the substrate and including a plurality of display elements, and an encapsulator arranged on the display and encapsulating the display. The encapsulator may include at least one inorganic film and at least one organic film, and the at least one organic film may include a matrix and an ultraviolet light absorbent dispersed in the matrix.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: July 16, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Wonmin Yun, Yisu Kim, Eungseok Park, Byoungduk Lee, Yoonhyeung Cho, Yongchan Ju
  • Patent number: 10312473
    Abstract: An organic light emitting display device includes: a substrate; an organic light emitting element on the substrate; and a thin film encapsulation layer on the organic light emitting element. The thin film encapsulation layer includes a first thin film, a second thin film and a third thin film which are sequentially stacked therein, a refractive index of the second thin film is about 1.7 or greater, and a refractive index of the first thin film and a refractive index of the third thin film are greater than the refractive index of the second thin film by about 0.35 or greater.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: June 4, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Donghoon Kim, Dongchan Kim, Wonjong Kim, Wonmin Yun, Byoungduk Lee, Jihye Lee, Sanghoon Yim, Yoonhyeung Cho, Youngcheol Joo, Wonsuk Han
  • Patent number: 10283672
    Abstract: A quantum dot light-emitting device includes: a first electrode; a second electrode opposite to the first electrode; an emission layer between the first electrode and the second electrode, the emission layer including quantum dots; and an inorganic layer between the emission layer and the second electrode, the inorganic layer including a metal halide.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: May 7, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yisu Kim, Dongchan Kim, Eungseok Park, Wonmin Yun, Byoungduk Lee, Yongchan Ju
  • Publication number: 20190131532
    Abstract: Provided is an organic electroluminescence device provided with a light absorber represented by Formula 1 below, and a light absorbing layer including the same. In Formula 1, Ar is pyrene, chrysene, or anthracene, and Y is a hydrogen atom or a substituent, and X is represented by any one of Formula 2-1 to 2-3 below.
    Type: Application
    Filed: October 31, 2018
    Publication date: May 2, 2019
    Inventors: Sanghyun HAN, Wonmin YUN, Jongwoo KIM, Jangyeol BAEK, Eunjae JEONG, Yohan KIM, Yisu KIM, Youngkook KIM, Seokhwan HWANG
  • Publication number: 20190051860
    Abstract: An organic light-emitting display apparatus includes a substrate, an organic light-emitting device disposed above the substrate, and an encapsulation unit disposed above the organic light-emitting device and sealing the organic light-emitting device, wherein the encapsulation unit includes a compound represented by Formula 1. [R1-(L1)a1]b1-(Ar1)c1-[(L2)a2-R2]b2.
    Type: Application
    Filed: May 7, 2018
    Publication date: February 14, 2019
    Inventors: Eunjae Jeong, Youngkook Kim, Yohan Kim, Esu Kim, Jongwoo Kim, Jangyeol Baek, Wonmin Yun, Sanghyun Han, Seokhwan Hwang
  • Publication number: 20190019974
    Abstract: A method of manufacturing a display device includes preparing an organic light-emitting device and forming an encapsulation member to encapsulate the organic light-emitting device. The forming of the encapsulation member includes forming a first inorganic encapsulation layer on the organic light-emitting device by providing a raw material gas on the organic light-emitting device, forming a first organic encapsulation layer by applying an organic material on the first inorganic encapsulation layer, and forming a second inorganic encapsulation layer on the first organic encapsulation layer. The raw material gas includes a nitrous oxide gas, a nitrogen gas, an ammonia gas, and a hydrogen gas, and a ratio of a sum of flow rates of the nitrous oxide gas and the nitrogen gas to a sum of flow rates of the ammonia gas and the hydrogen gas is about 1.1 or less.
    Type: Application
    Filed: January 4, 2018
    Publication date: January 17, 2019
    Inventors: Wonmin YUN, Jongwoo KIM, Seungjae LEE, Youngcheol JOO, Jaeheung HA, Byoungduk LEE, Yoonhyeung CHO
  • Publication number: 20180261783
    Abstract: A light emitting display device includes a first electrode, a second electrode, an opposing electrode, a first light emitting layer, and a second light emitting layer. The opposing electrode is on the first and second electrodes. The first light emitting layer is between the first electrode and the opposing electrode. The second light emitting layer is between the second electrode and the opposing electrode. The first light emitting layer and the second light emitting layer emit light of different colors. The first light emitting layer includes semiconductor nanocrystals. The second light emitting layer includes an organic material.
    Type: Application
    Filed: March 8, 2018
    Publication date: September 13, 2018
    Inventors: Wonmin YUN, Baekhee LEE