Patents by Inventor Chi-O Cho

Chi-O Cho 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: 20240224566
    Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.
    Type: Application
    Filed: March 11, 2024
    Publication date: July 4, 2024
    Inventors: Chi-O CHO, Byungchoon YANG, Young-Jun SEO, Won Sang PARK
  • Patent number: 11930652
    Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.
    Type: Grant
    Filed: December 12, 2022
    Date of Patent: March 12, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chi-O Cho, Byungchoon Yang, Young-Jun Seo, Won Sang Park
  • Publication number: 20230119269
    Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.
    Type: Application
    Filed: December 12, 2022
    Publication date: April 20, 2023
    Inventors: Chi-O CHO, Byungchoon YANG, Young-Jun SEO, Won Sang PARK
  • Patent number: 11527733
    Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.
    Type: Grant
    Filed: February 18, 2021
    Date of Patent: December 13, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chi-O Cho, Byungchoon Yang, Young-Jun Seo, Won Sang Park
  • Publication number: 20210175453
    Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.
    Type: Application
    Filed: February 18, 2021
    Publication date: June 10, 2021
    Inventors: Chi-O CHO, Byungchoon YANG, Young-Jun SEO, Won Sang PARK
  • Patent number: 10944068
    Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: March 9, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chi-O Cho, Byungchoon Yang, Young-Jun Seo, Won Sang Park
  • Publication number: 20200099004
    Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.
    Type: Application
    Filed: November 26, 2019
    Publication date: March 26, 2020
    Inventors: Chi-O CHO, Byungchoon YANG, Young-Jun SEO, Won Sang PARK
  • Patent number: 10497889
    Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: December 3, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chi-O Cho, Byungchoon Yang, Young-Jun Seo, Won Sang Park
  • Publication number: 20190097149
    Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.
    Type: Application
    Filed: November 28, 2018
    Publication date: March 28, 2019
    Inventors: Chi-O CHO, Byungchoon YANG, Young-Jun SEO, Won Sang PARK
  • Patent number: 10236463
    Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: March 19, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chi-O Cho, Byungchoon Yang, Young-Jun Seo, Won Sang Park
  • Patent number: 10191200
    Abstract: A quantum rod sheet includes: a first support layer including a plurality of grooves which extends substantially in a predetermined direction; a plurality of quantum rods arranged substantially in the predetermined direction along the grooves of the first support layer; and a second support layer which covers the first support layer and the quantum rods.
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: January 29, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chi-O Cho, Dong Hoon Kim, Sang Woo Ha
  • Publication number: 20180240992
    Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.
    Type: Application
    Filed: April 20, 2018
    Publication date: August 23, 2018
    Inventors: Chi-O CHO, Byungchoon YANG, Young-Jun SEO, Won Sang PARK
  • Patent number: 9978973
    Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: May 22, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chi-O Cho, Byungchoon Yang, Young-Jun Seo, Won Sang Park
  • Patent number: 9899625
    Abstract: A display device includes pixels, each pixel including a first electrode, a first organic layer disposed on the first electrode, and a second electrode disposed on the first organic layer, in which the first electrode includes a first overlapping electrode portion overlapping each of the first organic layer and the second electrode, and a first non-overlapping electrode portion not overlapping the first organic layer and the second electrode, and connected to the first overlapping electrode portion.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: February 20, 2018
    Assignee: Samsung Display Co., Ltd
    Inventors: Hyesog Lee, Chi-o Cho, Jaejoong Kwon, Byungchoon Yang
  • Publication number: 20170162815
    Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.
    Type: Application
    Filed: February 22, 2017
    Publication date: June 8, 2017
    Inventors: Chi-O CHO, Byungchoon YANG, Young-Jun SEO, Won Sang PARK
  • Patent number: 9620737
    Abstract: An organic light emitting display apparatus includes a substrate including a pixel region, a first electrode on the substrate, a second electrode on the first electrode, an organic light emission layer between the first and second electrodes to emit light, a plurality of layers on the second electrode, and a light compensation pattern on the second electrode and overlapping the pixel region, the light compensation pattern including a plurality of protrusion patterns having progressively decreasing widths as a distance from a center of the pixel region increases, and a plurality of grooves separating the protrusions in a direction parallel to the substrate from the center of the pixel region.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: April 11, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyesog Lee, Chi-o Cho
  • Patent number: 9583727
    Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.
    Type: Grant
    Filed: November 5, 2015
    Date of Patent: February 28, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chi-O Cho, Byungchoon Yang, Young-Jun Seo, Won Sang Park
  • Patent number: 9508280
    Abstract: A method of compensating color of a transparent display device includes generating a first pixel data by adding an input image pixel data and an external optical data which represents an effect of an external light on the transparent display device, generating a second pixel data having the same color as the input image pixel data by scaling the first pixel data, and generating an output image pixel data by subtracting the external optical data from the second pixel data.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: November 29, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young-Jun Seo, Byung-Choon Yang, Chi-O Cho
  • Publication number: 20160336528
    Abstract: A display device includes pixels, each pixel including a first electrode, a first organic layer disposed on the first electrode, and a second electrode disposed on the first organic layer, in which the first electrode includes a first overlapping electrode portion overlapping each of the first organic layer and the second electrode, and a first non-overlapping electrode portion not overlapping the first organic layer and the second electrode, and connected to the first overlapping electrode portion.
    Type: Application
    Filed: December 2, 2015
    Publication date: November 17, 2016
    Inventors: Hyesog LEE, Chi-o CHO, Jaejoong KWON, Byungchoon YANG
  • Publication number: 20160327720
    Abstract: A quantum rod sheet includes: a first support layer including a plurality of grooves which extends substantially in a predetermined direction; a plurality of quantum rods arranged substantially in the predetermined direction along the grooves of the first support layer; and a second support layer which covers the first support layer and the quantum rods.
    Type: Application
    Filed: July 22, 2016
    Publication date: November 10, 2016
    Inventors: Chi-O CHO, Dong Hoon KIM, Sang Woo HA