Patents by Inventor Joo-Sun Yoon

Joo-Sun 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: 20190172890
    Abstract: A display panel includes a first substrate having a display area and a peripheral area. The display area includes pixels with first output wires connected to the pixels. A first driver is connected to the first output wires and positioned in the peripheral area at a first side of the display area. The first substrate includes a notch portion having a curved edge and the display area has a first display portion and a second display portion with the notch portion therebetween. At least one of the first output wires is a first main line at the first display portion, a second main line at the second display portion, and a first connecting line that is connected to the first main line and the second main line and is at the peripheral area between the first display portion and the second display portion.
    Type: Application
    Filed: November 26, 2018
    Publication date: June 6, 2019
    Inventors: Seung-Hwan CHO, Doo Hwan KIM, Tae Jin KIM, Tae Hyun KIM, Joo Sun YOON, Min Jae JEONG, Jong Hyun CHOI
  • Publication number: 20190165079
    Abstract: A display device includes: a first substrate including a display area and a non-display area bordering at least a portion of the display area; a first transistor disposed in the display area, and includes a semiconductor layer, a gate electrode, a source electrode, and a drain electrode. A driving circuit is disposed in the non-display area, and includes a second transistor including a semiconductor layer, a gate electrode, a source electrode, and a drain electrode. An insulating layer disposed between the source and drain electrodes of the second transistor and the source and drain electrodes of the first transistor over the second transistor; a signal transmission line disposed in the non-display area, and transmitting a signal to the driving circuit; a second substrate facing the first substrate; and a sealant disposed in the non-display area between the first substrate and the second substrate, and overlapping the second transistor.
    Type: Application
    Filed: November 27, 2018
    Publication date: May 30, 2019
    Inventors: SEUNG-HWAN CHO, Jong Hyun CHOI, Doo Hwan KIM, Do Keun SONG, Joo Sun YOON, Min Jae JEONG
  • Patent number: 10261377
    Abstract: A liquid crystal display according to an exemplary embodiment of the present invention includes a substrate, a plurality of pixels arranged in a matrix on the substrate where each pixel includes a switching element, a plurality of gate lines that are connected to the switching elements and extend in a row direction, and a gate driver that is connected to the gate lines and is formed on the substrate as an integrated circuit. In the liquid crystal display, the gate driver includes a first region and a second region that is not aligned with the first region.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: April 16, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-Ho Yang, Joo-Sun Yoon, Ki-Hun Jeong
  • Publication number: 20190086671
    Abstract: A head-mounted display device includes a display including a substrate and a plurality of display elements disposed on the substrate, a first polarizing layer disposed on the display, a reflective layer disposed on the first polarizing layer, a light-separating layer disposed on the reflective layer, a lens disposed on the light-separating layer, and a second polarizing layer disposed on the lens.
    Type: Application
    Filed: September 19, 2018
    Publication date: March 21, 2019
    Inventors: Wal Jun Kim, Jin Yeong Kim, Ki Wan Ahn, Joo Sun Yoon, Yong Jae Jang
  • Patent number: 10079368
    Abstract: A transparent display device according to example embodiments includes a substrate having a pixel area and a transmission area, a pixel circuit on the pixel area of the substrate, an insulation structure on the substrate to cover the pixel circuit, a first electrode on the pixel area of the substrate, the first electrode being at least partially penetrated the insulation structure and electrically connected to the pixel circuit, a display layer on the first electrode, a second electrode facing the first electrode and covering the display layer, and an anti-diffraction layer on the substrate, the anti-diffraction layer at least partially overlapping the transmission area and including a plurality of nano wires.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: September 18, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung-Min Lee, Tae-Hyun Kim, Jung-Kyu Lee, Sang-Ho Park, Joo-Sun Yoon
  • Publication number: 20180158891
    Abstract: Provided is a display device, including: a substrate; signal lines including a gate line, a data line, and a driving voltage line that collectively define an outer boundary of a pixel area; a transistor connected to the signal line; a first electrode extending across the pixel area and formed on the signal line and the transistor, and connected to the transistor, the first electrode having a first portion overlying only the signal line and the transistor, and a second portion comprising all of the first electrode not included in the first portion; a pixel defining layer formed on only the first portion of the first electrode; an organic emission layer formed on substantially the entire second portion but not on the first portion; and a second electrode formed on the pixel defining layer and the organic emission layer.
    Type: Application
    Filed: January 9, 2018
    Publication date: June 7, 2018
    Inventors: Joung-Keun PARK, Ki Wan AHN, Joo Sun YOON
  • Publication number: 20180122880
    Abstract: A display substrate includes a data line extending in a first direction, a first transistor including a first channel area overlapping the data line and a first control electrode which overlaps the first channel area and has a substantially same shape as that of the first channel area in an overlap area in which the first control electrode overlaps the first channel area, a scan line extending in a second direction crossing the first direction, a first voltage line extending in the first direction and transfers a first driving signal, a first capacitor including an extension electrode which overlaps the first control electrode and extends in the second direction from the first voltage line and a second capacitor including an overlap electrode overlapping the data line.
    Type: Application
    Filed: September 25, 2017
    Publication date: May 3, 2018
    Inventors: Sung-Eun LEE, Jin-Taek KIM, Ki-Wan AHN, Joo-Sun YOON, Yong-Jae JANG, Kwang-Young CHOI
  • Publication number: 20180108720
    Abstract: An organic light-emitting diode (OLED) display device includes a substrate, a first gate electrode on the substrate, a second gate electrode on the first gate electrode and at least partially overlapping the first gate electrode, a semiconductor pattern between the first gate electrode and the second gate electrode and at least partially overlapping the first and second gate electrodes, a connecting electrode on the second gate electrode and electrically connected to the semiconductor pattern, and a pixel electrode on the connecting electrode and electrically connected to the connecting electrode.
    Type: Application
    Filed: October 13, 2017
    Publication date: April 19, 2018
    Inventors: Wal Jun KIM, Yong Jae JANG, Ki Wan AHN, Joo Sun YOON
  • Patent number: 9923042
    Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the display includes a substrate and a plurality of pixels formed over the substrate. Each of the pixels comprises a first region configured to emit light and a second region configured to pass external light therethrough. The second regions of at least three adjacent ones of the pixels have different areas.
    Type: Grant
    Filed: October 28, 2014
    Date of Patent: March 20, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joo-Sun Yoon, Ki-Wan Ahn
  • Patent number: 9871086
    Abstract: Provided is a display device, including: a substrate; signal lines including a gate line, a data line, and a driving voltage line that collectively define an outer boundary of a pixel area; a transistor connected to the signal line; a first electrode extending across the pixel area and formed on the signal line and the transistor, and connected to the transistor, the first electrode having a first portion overlying only the signal line and the transistor, and a second portion comprising all of the first electrode not included in the first portion; a pixel defining layer formed on only the first portion of the first electrode; an organic emission layer formed on substantially the entire second portion but not on the first portion; and a second electrode formed on the pixel defining layer and the organic emission layer.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: January 16, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joung-Keun Park, Ki Wan Ahn, Joo Sun Yoon
  • Patent number: 9818814
    Abstract: An organic light emitting display device includes a plurality of pixel regions on a substrate, each having a sub-pixel region, a transmissive region and a peripheral region, a plurality of sub-pixel circuits in the sub-pixel region that control the sub-pixel region, a planarization layer that covers the sub-pixel circuits, a first electrode disposed on the planarization layer in the sub-pixel region, a second electrode disposed on the first electrode, and a plurality of wirings disposed at different levels over the substrate in the peripheral region. The wirings are arranged in at least double level configuration and include first wirings that extend in a first direction over the substrate, and second wirings that extend over the substrate in a second direction substantially perpendicular to the first direction.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: November 14, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang-Ho Park, Seung-Min Lee, Hee-Jun Yoo, Joo-Sun Yoon, Yong-Jae Jang, Kwang-Young Choi
  • Publication number: 20170294501
    Abstract: An organic light emitting device includes: a substrate; a first electrode provided on the substrate; a metal pattern provided along an edge of the first electrode; and a pixel definer provided on the metal pattern. The pixel definer covers an end portion of the first electrode and an end portion of the metal pattern. The pixel definer includes an opening exposing the first electrode.
    Type: Application
    Filed: November 21, 2016
    Publication date: October 12, 2017
    Inventors: Jae Hyuk JANG, Joo Sun YOON, Seung Min LEE, Young Jae JANG
  • Patent number: 9768310
    Abstract: A TFT, OLED display including the same, and manufacturing method thereof are disclosed. In one aspect, the TFT includes a first gate electrode formed over a substrate and a first insulating layer formed over the substrate and the first gate electrode. A semiconductor layer is formed over the first insulating layer, the semiconductor layer at least partially overlapping the first gate electrode. A second insulating layer is formed over the first insulating layer and the semiconductor layer, the first and second insulating layers having a pair of connection holes formed therethrough. A second gate electrode is electrically connected to the first gate electrode via the connection holes, the connection holes respectively exposing portions of the first gate electrode. Source and drain electrodes are formed over a third insulating layer and electrically connected to the semiconductor layer via the contact holes, the contact holes respectively exposing portions of the semiconductor layer.
    Type: Grant
    Filed: May 14, 2015
    Date of Patent: September 19, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ki Wan Ahn, Joo Sun Yoon
  • Patent number: 9741962
    Abstract: An organic light emitting diode display includes: a substrate including a display area displaying an image and a peripheral area enclosing the display area; a plurality of signal lines formed in the display area; a plurality of pixels connected to the plurality of signal lines; a plurality of fan-out lines formed in the peripheral area and connected to the plurality of pixels; a first interlayer insulating layer covering the plurality of fan-out lines; a second interlayer insulating layer covering the first interlayer insulating layer and including a first sealant opening exposing a portion of the first interlayer insulating layer; and an etching preventing member positioned in the first sealant opening and overlapping the plurality of fan-out lines in plan view.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: August 22, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung Eun Lee, Seung-Hwan Cho, Dong Hwan Shim, Joo Sun Yoon, Jung Kyu Lee
  • Patent number: 9728591
    Abstract: An organic light emitting diode (OLED) display according to an exemplary embodiment includes: a substrate including a display area for displaying an image and a transmissive area around the display area; an insulating layer formed on the transmissive area of the substrate; and a pixel definition layer formed on the substrate and defining a pixel area within the display area. The pixel definition layer may cover an inner circumferential surface of a transmissive hole formed in the insulating layer.
    Type: Grant
    Filed: January 21, 2016
    Date of Patent: August 8, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Joo Sun Yoon, Ki Wan Ahn
  • Publication number: 20170207289
    Abstract: A display panel includes a signal line extending in a first direction, a first transistor electrically connected to the signal line, and including a first active pattern and a first gate electrode, and a first electrode electrically connected to the first transistor. A plurality of openings is defined in the signal line in way such that the signal line transmits an external light therethrough.
    Type: Application
    Filed: November 30, 2016
    Publication date: July 20, 2017
    Inventors: Ki-Nyeng KANG, Sun-Kwang KIM, Joo-Sun YOON, Jong-Hyun CHOI
  • Publication number: 20170179441
    Abstract: A transparent display device according to example embodiments includes a substrate having a pixel area and a transmission area, a pixel circuit on the pixel area of the substrate, an insulation structure on the substrate to cover the pixel circuit, a first electrode on the pixel area of the substrate, the first electrode being at least partially penetrated the insulation structure and electrically connected to the pixel circuit, a display layer on the first electrode, a second electrode facing the first electrode and covering the display layer, and an anti-diffraction layer on the substrate, the anti-diffraction layer at least partially overlapping the transmission area and including a plurality of nano wires.
    Type: Application
    Filed: December 12, 2016
    Publication date: June 22, 2017
    Inventors: Seung-Min LEE, Tae-Hyun KIM, Jung-Kyu LEE, Sang-Ho PARK, Joo-Sun YOON
  • Publication number: 20170162160
    Abstract: A liquid crystal display according to an exemplary embodiment of the present invention includes a substrate, a plurality of pixels arranged in a matrix on the substrate where each pixel includes a switching element, a plurality of gate lines that are connected to the switching elements and extend in a row direction, and a gate driver that is connected to the gate lines and is formed on the substrate as an integrated circuit. In the liquid crystal display, the gate driver includes a first region and a second region that is not aligned with the first region.
    Type: Application
    Filed: February 15, 2017
    Publication date: June 8, 2017
    Inventors: Yong-Ho YANG, Joo-Sun YOON, Ki-Hun JEONG
  • Patent number: 9666658
    Abstract: Disclosed is an organic light emitting diode (OLED) display including an organic light emitting diode (OLED) display including an insulation substrate and a first electrode disposed on the insulation substrate. A pixel defining layer surrounds the first electrode. The pixel defining layer forms a pixel area on the first electrode. An organic emission layer is disposed on the first electrode in the pixel area. An electrode connecting portion is disposed on the pixel defining layer. A second electrode is disposed on the organic emission layer. The second electrode is connected to the electrode connecting portion.
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: May 30, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hee jun Yoo, Jeong Woo Moon, Joo Sun Yoon
  • Patent number: 9660010
    Abstract: An organic light emitting display device includes a substrate, a first insulating layer, a extension of a drain electrode, a second insulating layer, a first electrode, an emission layer, and a second electrode. The substrate has a display region and a transparent region. The first insulating layer is disposed on the substrate. The extension of drain electrode is disposed on the first insulating layer. The second insulating layer is disposed on the extension of a drain electrode such that an edge portion of the extension of a drain electrode is free from overlap with the second insulating layer. The first electrode is disposed on the second insulating layer and in contact with the edge portion of the extension of a drain electrode. The emission layer is disposed on the first electrode. The second electrode is disposed on the emission layer.
    Type: Grant
    Filed: June 2, 2015
    Date of Patent: May 23, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Ho Park, Joung-Keun Park, Ki-Wan Ahn, Joo-Sun Yoon, Seung-Min Lee, Yong-Jae Jang