Patents by Inventor Dong Won Han

Dong Won Han 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: 20230099550
    Abstract: A display device includes a substrate having a display area and a non-display area; a first transistor that is disposed on the substrate and that overlaps the display area; a first pixel defining layer disposed on the first transistor; a first emission layer disposed in the first pixel defining layer; a second pixel defining layer that is disposed on the substrate and that overlaps the non-display area; a second emission layer disposed in the second pixel defining layer; a second electrode disposed on the first emission layer and the second emission layer; and an encapsulation organic layer disposed on the second electrode, wherein the encapsulation organic layer overlaps the first pixel defining layer and the second pixel defining layer, and an end of the encapsulation organic layer is disposed inside the second pixel defining layer.
    Type: Application
    Filed: June 1, 2022
    Publication date: March 30, 2023
    Inventors: Joo Hong JUNG, Jae Hong Park, Dong Won Han
  • Patent number: 11588001
    Abstract: A display device includes a substrate having a display area and a non-display area. A light emitting element is disposed in the display area. An encapsulation layer is configured to cover the display area and encapsulate the light emitting element. A power line is disposed in the non-display area. A first edge of the encapsulation layer in the non-display area is disposed to coincide with an edge of the power line or is disposed closer to the display area than the edge of the power line.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: February 21, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seok Hoon Seo, Dong Won Han, Seung Woo Seo, Seung Jae Lee
  • Patent number: 11251378
    Abstract: The present disclosure relates to an organic light-emitting diode which can operate at a low voltage with high efficiency and exhibits the effect of having an alleviated luminance reduction rate in a low dynamic range. More particularly, the organic light-emitting diode comprises: a first electrode; a second electrode facing the first electrode; and a light-emitting layer and a charge balance control layer arranged sequentially between the first and the second electrode, wherein the light-emitting layer includes at least one of amine derivative compounds represented by the following Chemical Formula A and the charge balance control layer includes at least one of anthracene derivative compounds represented by the following Chemical Formula B or C. The structures of Chemical Formulas A, B, and C are as defined in the specification.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: February 15, 2022
    Assignee: SFC CO., LTD.
    Inventors: Young-Hwan Park, Seo-Yeon Yoon, So Young Shim, Chang-Hee Lee, Dong-Won Han
  • Patent number: 10903447
    Abstract: A display device is provided. The display device includes a display panel including first and second display substrates that face each other, having an overlap area in which the first and second display substrates overlap with each other, and having a protruding area on one side of the overlap area, a sealing member between the first and second display substrates along edges of the overlap area, and at least one chamfered portion including a first chamfered portion, which is formed on at least one side of the protruding area, and a second chamfered portion, which is formed on the overlap area and adjacent to the first chamfered portion, wherein in the second chamfered portion, an end of the first display substrate is positioned beyond an end of the second display substrate.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: January 26, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Min Hwang, Yong Kyu Jang, Jae Kyung Go, Dong Jo Kim, Young Min Kim, Chan Young Park, Dong Won Han
  • Publication number: 20200358028
    Abstract: A display device is provided. The display device includes a display panel including first and second display substrates that face each other, having an overlap area in which the first and second display substrates overlap with each other, and having a protruding area on one side of the overlap area, a sealing member between the first and second display substrates along edges of the overlap area, and at least one chamfered portion including a first chamfered portion, which is formed on at least one side of the protruding area, and a second chamfered portion, which is formed on the overlap area and adjacent to the first chamfered portion, wherein in the second chamfered portion, an end of the first display substrate is positioned beyond an end of the second display substrate.
    Type: Application
    Filed: July 30, 2020
    Publication date: November 12, 2020
    Inventors: Hyun Min Hwang, Yong Kyu Jang, Jae Kyung Go, Dong Jo Kim, Young Min Kim, Chan Young Park, Dong Won Han
  • Patent number: 10734604
    Abstract: A display device is provided. The display device includes a display panel including first and second display substrates that face each other, having an overlap area in which the first and second display substrates overlap with each other, and having a protruding area on one side of the overlap area, a sealing member between the first and second display substrates along edges of the overlap area, and at least one chamfered portion including a first chamfered portion, which is formed on at least one side of the protruding area, and a second chamfered portion, which is formed on the overlap area and adjacent to the first chamfered portion, wherein in the second chamfered portion, an end of the first display substrate is positioned beyond an end of the second display substrate.
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: August 4, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Min Hwang, Yong Kyu Jang, Jae Kyung Go, Dong Jo Kim, Young Min Kim, Chan Young Park, Dong Won Han
  • Publication number: 20200152909
    Abstract: A display device is provided. The display device includes a display panel including first and second display substrates that face each other, having an overlap area in which the first and second display substrates overlap with each other, and having a protruding area on one side of the overlap area, a sealing member between the first and second display substrates along edges of the overlap area, and at least one chamfered portion including a first chamfered portion, which is formed on at least one side of the protruding area, and a second chamfered portion, which is formed on the overlap area and adjacent to the first chamfered portion, wherein in the second chamfered portion, an end of the first display substrate is positioned beyond an end of the second display substrate.
    Type: Application
    Filed: January 17, 2020
    Publication date: May 14, 2020
    Inventors: Hyun Min Hwang, Yong Kyu Jang, Jae Kyung Go, Dong Jo Kim, Young Min Kim, Chan Young Park, Dong Won Han
  • Publication number: 20200135835
    Abstract: A display device includes a substrate having a display area and a non-display area. A light emitting element is disposed in the display area. An encapsulation layer is configured to cover the display area and encapsulate the light emitting element. A power line is disposed in the non-display area. A first edge of the encapsulation layer in the non-display area is disposed to coincide with an edge of the power line or is disposed closer to the display area than the edge of the power line.
    Type: Application
    Filed: August 26, 2019
    Publication date: April 30, 2020
    Inventors: SEOK HOON SEO, Dong Won Han, Seung Woo Seo, Seung Jae Lee
  • Patent number: 10566573
    Abstract: An organic light emitting display apparatus including a substrate, an organic light emitting portion comprising a plurality of organic light emitting devices formed on the substrate, and an encapsulation portion for encapsulating the organic light emitting portion. The encapsulation portion includes a porous layer formed on the organic light emitting portion, a planarization layer formed on the porous layer, and a barrier layer formed on the planarization layer. The porous layer prevents impurities from being concentrated at a part of the porous layer.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: February 18, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae-Wook Kang, Dong-Won Han, Young-Seo Choi, Jin-Ho Kwack
  • Patent number: 10547024
    Abstract: A display device is provided. The display device includes a display panel including first and second display substrates that face each other, having an overlap area in which the first and second display substrates overlap with each other, and having a protruding area on one side of the overlap area, a sealing member between the first and second display substrates along edges of the overlap area, and at least one chamfered portion including a first chamfered portion, which is formed on at least one side of the protruding area, and a second chamfered portion, which is formed on the overlap area and adjacent to the first chamfered portion, wherein in the second chamfered portion, an end of the first display substrate is positioned beyond an end of the second display substrate.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: January 28, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Min Hwang, Yong Kyu Jang, Jae Kyung Go, Dong Jo Kim, Young Min Kim, Chan Young Park, Dong Won Han
  • Publication number: 20190237705
    Abstract: An organic light emitting display apparatus including a substrate, an organic light emitting portion comprising a plurality of organic light emitting devices formed on the substrate, and an encapsulation portion for encapsulating the organic light emitting portion. The encapsulation portion includes a porous layer formed on the organic light emitting portion, a planarization layer formed on the porous layer, and a barrier layer formed on the planarization layer. The porous layer prevents impurities from being concentrated at a part of the porous layer.
    Type: Application
    Filed: April 11, 2019
    Publication date: August 1, 2019
    Inventors: Tae-WooK KANG, Dong-Won Han, Young-Seo Choi, Jin-Ho Kwack
  • Patent number: 10297790
    Abstract: An organic light emitting display apparatus includes a substrate, an organic light emitting portion comprising a plurality of organic light emitting devices formed on the substrate, and an encapsulation portion for encapsulating the organic light emitting portion. The encapsulation portion includes a porous layer formed on the organic light emitting portion, a planarization layer formed on the porous layer, and a barrier layer formed on the planarization layer. The porous layer prevents impurities from being concentrated at a part of the porous layer.
    Type: Grant
    Filed: November 3, 2016
    Date of Patent: May 21, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae-Wook Kang, Dong-Won Han, Young-Seo Choi, Jin-Ho Kwack
  • Publication number: 20190067630
    Abstract: A display device is provided. The display device includes a display panel including first and second display substrates that face each other, having an overlap area in which the first and second display substrates overlap with each other, and having a protruding area on one side of the overlap area, a sealing member between the first and second display substrates along edges of the overlap area, and at least one chamfered portion including a first chamfered portion, which is formed on at least one side of the protruding area, and a second chamfered portion, which is formed on the overlap area and adjacent to the first chamfered portion, wherein in the second chamfered portion, an end of the first display substrate is positioned beyond an end of the second display substrate.
    Type: Application
    Filed: April 13, 2018
    Publication date: February 28, 2019
    Inventors: Hyun Min Hwang, Yong Kyu Jang, Jae Kyung Go, Dong Jo Kim, Young Min Kim, Chan Young Park, Dong Won Han
  • Publication number: 20180277771
    Abstract: The present disclosure relates to an organic light-emitting diode which can operate at a low voltage with high efficiency and exhibits the effect of having an alleviated luminance reduction rate in a low dynamic range. More particularly, the organic light-emitting diode comprises: a first electrode; a second electrode facing the first electrode; and a light-emitting layer and a charge balance control layer arranged sequentially between the first and the second electrode, wherein the light-emitting layer includes at least one of amine derivative compounds represented by the following Chemical Formula A and the charge balance control layer includes at least one of anthracene derivative compounds represented by the following Chemical Formula B or C. The structures of Chemical Formulas A, B, and C are as defined in the specification.
    Type: Application
    Filed: September 13, 2016
    Publication date: September 27, 2018
    Inventors: Young-Hwan PARK, Seo-Yeon YOON, So Young SHIM, Chang-Hee LEE, Dong-Won HAN
  • Patent number: 9893314
    Abstract: A display device includes a display panel, and a protection film on the display panel and including a base film, and a plurality of protrusions on the base film.
    Type: Grant
    Filed: June 7, 2016
    Date of Patent: February 13, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin Ho Kwak, Young Seo Choi, Dong Won Han
  • Publication number: 20170077453
    Abstract: An organic :light emitting display apparatus includes a substrate, an organic light emitting portion comprising a plurality of organic light emitting devices formed on the substrate, and an encapsulation portion for encapsulating the organic light emitting portion. The encapsulation portion includes a porous layer formed on the organic light emitting portion, a planarization layer formed on the porous layer, and a barrier layer formed on the planarization layer. The porous layer prevents impurities from being concentrated at a part of the porous layer.
    Type: Application
    Filed: November 3, 2016
    Publication date: March 16, 2017
    Inventors: Tae-Wook KANG, Dong-Won HAN, Young-Seo CHOI, Jin-Ho KWACK
  • Publication number: 20170047545
    Abstract: A display device includes a display panel, and a protection film on the display panel and including a base film, and a plurality of protrusions on the base film.
    Type: Application
    Filed: June 7, 2016
    Publication date: February 16, 2017
    Inventors: Jin Ho Kwak, Young Seo Choi, Dong Won Han
  • Patent number: 9496518
    Abstract: An organic light-emitting display apparatus includes a substrate; a display unit which defines an active area on the substrate and includes a thin film transistor and an organic light-emitting device electrically connected to each other; and an encapsulation layer disposed on a top surface and a side surface of the display unit, the encapsulation layer including at least a first inorganic layer, a first organic layer, and a second inorganic layer that are sequentially stacked, and the first organic layer covers the first inorganic layer.
    Type: Grant
    Filed: July 7, 2014
    Date of Patent: November 15, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin-Ho Kwack, Tae-Wook Kang, Dae-Beom Shin, Dong-Won Han
  • Patent number: 9490450
    Abstract: An organic light emitting display apparatus includes a substrate, an organic light emitting portion comprising a plurality of organic light emitting devices formed on the substrate, and an encapsulation portion for encapsulating the organic light emitting portion. The encapsulation portion includes a porous layer formed on the organic light emitting portion, a planarization layer formed on the porous layer, and a barrier layer formed on the planarization layer. The porous layer prevents impurities from being concentrated at a part of the porous layer.
    Type: Grant
    Filed: August 23, 2012
    Date of Patent: November 8, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae-Wook Kang, Dong-Won Han, Young-Seo Choi, Jin-Ho Kwack
  • Patent number: 9412970
    Abstract: A barrier film composite includes a heat-shrinkable layer having a conformable surface conforming to a surface shape of an object in contact with the heat-shrinkable layer, and a flat surface disposed opposite to the conformable surface; and a barrier layer having a smaller thickness than the heat-shrinkable layer and disposed flat on the flat surface of the heat-shrinkable layer.
    Type: Grant
    Filed: December 29, 2010
    Date of Patent: August 9, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Won Han, Robert Jan Visser, Lorenza Moro