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).

  • Patent number: 11067801
    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: Grant
    Filed: September 19, 2018
    Date of Patent: July 20, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Wal Jun Kim, Jin Yeong Kim, Ki Wan Ahn, Joo Sun Yoon, Yong Jae Jang
  • Patent number: 11031452
    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: Grant
    Filed: November 26, 2018
    Date of Patent: June 8, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Hwan Cho, Doo Hwan Kim, Tae Jin Kim, Tae Hyun Kim, Joo Sun Yoon, Min Jae Jeong, Jong Hyun Choi
  • Patent number: 11024690
    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 10, 2019
    Date of Patent: June 1, 2021
    Inventors: Joung-Keun Park, Ki Wan Ahn, Joo Sun Yoon
  • Publication number: 20210029446
    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: October 11, 2020
    Publication date: January 28, 2021
    Inventors: Jae Hyuk JANG, Joo Sun YOON, Seung Min LEE, Yong Jae JANG
  • Publication number: 20200319520
    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: June 22, 2020
    Publication date: October 8, 2020
    Inventors: Yong-Ho YANG, Joo-Sun YOON, Ki-Hun JEONG
  • Publication number: 20200303466
    Abstract: An electronic apparatus includes a display panel including a base substrate, a pixel definition layer to define openings, light-emitting devices including light-emitting patterns in the openings, and an encapsulation layer covering the light-emitting device, a cover panel including a window layer, a color filter layer, and a color control layer, the color filter layer being on the window layer, the color control layer being on the color filter layer and including a quantum dot, and a refraction control layer including first refraction patterns, overlapping the light-emitting patterns, respectively, and having a first refractive index, and a second refraction pattern adjacent to the first refraction patterns and having a second refractive index that is lower than the first refractive index, wherein, when measured in a first direction, a largest width of each of the first refraction patterns is larger than a width of each of the light-emitting patterns.
    Type: Application
    Filed: March 5, 2020
    Publication date: September 24, 2020
    Inventors: Seunghyun PARK, Joo-Sun YOON, Yun-Mo CHUNG
  • Patent number: 10777631
    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: Grant
    Filed: November 27, 2018
    Date of Patent: September 15, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung-Hwan Cho, Jong Hyun Choi, Doo Hwan Kim, Do Keun Song, Joo Sun Yoon, Min Jae Jeong
  • Patent number: 10690982
    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: April 15, 2019
    Date of Patent: June 23, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yong-Ho Yang, Joo-Sun Yoon, Ki-Hun Jeong
  • Publication number: 20200144346
    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: January 3, 2020
    Publication date: May 7, 2020
    Inventors: Sung-Eun LEE, Jin-Taek KIM, Ki-Wan AHN, Joo-Sun YOON, Yong-Jae JANG, Kwang-Young CHOI
  • Publication number: 20200119125
    Abstract: According to an exemplary embodiment of the present invention, a display device includes a static electricity blocking circuit having a first conductive layer, a first semiconductor portion, a second semiconductor portion, a channel portion disposed therebetween, a first electrode connected to the first semiconductor portion through first signal line contact holes, and a second electrode connected to the second semiconductor portion through first power line contact holes. The first signal line contact holes are disposed closer to an outermost edge of the first semiconductor portion than an innermost edge thereof. The first power line contact holes are disposed closer to an outermost edge of the second semiconductor portion than an innermost edge thereof. The second conductive layer is closer to the innermost edge of the first semiconductor portion than the outermost edge thereof and is closer to the innermost edge of the second semiconductor portion than the outermost edge thereof.
    Type: Application
    Filed: August 8, 2019
    Publication date: April 16, 2020
    Inventors: KYONG-HUN CHO, JOO SUN YOON, WOO SIK JUN, YUN-MO CHUNG
  • Publication number: 20200111853
    Abstract: A display device includes a first substrate. A transistor is disposed on the first substrate. A light-emitting element is connected to the transistor. An insulating layer is disposed between the transistor and the light-emitting element. A second substrate at least partially overlaps the first substrate. A color conversion layer is disposed on the second substrate. The insulating layer includes a first insulating layer and a second insulating layer. A distance between the first insulating layer and the first substrate is less than a distance between the second insulating layer and the first substrate. The first insulating layer includes a light blocking material.
    Type: Application
    Filed: August 13, 2019
    Publication date: April 9, 2020
    Inventors: SEUNG HYUN PARK, JOO SUN YOON, WOO SIK JUN, YUN-MO CHUNG
  • Publication number: 20200066207
    Abstract: A display device includes a display panel including pixels; a panel driver to supply a scan signal and a data signal to the pixels; and a power supply to generate a first supply voltage and a second supply voltage, and to change the first supply voltage and/or the second supply voltage to provide it to the pixels. The pixels emit light in response to the scan signal based on the data signal during an emission period where a voltage difference between the first supply voltage and the second supply voltage is larger than a first reference voltage. A first voltage difference between the first supply voltage and the second supply voltage at a start of the emission period is larger than an average voltage difference between the first supply voltage and the second supply voltage throughout the emission period.
    Type: Application
    Filed: June 19, 2019
    Publication date: February 27, 2020
    Inventors: Bon Seog GU, Hong Soo KIM, Woo Mi BAE, Ki Wan AHN, Joo Sun YOON, Chong Chul CHAI
  • Patent number: 10553661
    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: Grant
    Filed: September 25, 2017
    Date of Patent: February 4, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung-Eun Lee, Jin-Taek Kim, Ki-Wan Ahn, Joo-Sun Yoon, Yong-Jae Jang, Kwang-Young Choi
  • Publication number: 20200006454
    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: September 10, 2019
    Publication date: January 2, 2020
    Inventors: Joung-Keun PARK, Ki Wan AHN, Joo Sun YOON
  • Patent number: 10431643
    Abstract: A display panel includes a signal line extending in a first direction and/or a second direction crossing the 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: Grant
    Filed: November 30, 2016
    Date of Patent: October 1, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki-Nyeng Kang, Sun-Kwang Kim, Joo-Sun Yoon, Jong-Hyun Choi
  • Patent number: 10418433
    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: January 9, 2018
    Date of Patent: September 17, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joung-Keun Park, Ki Wan Ahn, Joo Sun Yoon
  • Publication number: 20190279564
    Abstract: A display apparatus includes a plurality of pixels, each of the pixels including an organic light emitting diode, a first transistor providing a driving current to operate the organic light emitting diode, a second transistor including a gate electrode that receives a first scan signal, a first electrode that receives a data signal, and a second electrode electrically connected to the first electrode of the first transistor, a storage capacitor including a first electrode receiving a first power voltage and a second electrode electrically connected to the gate electrode of the first transistor, and a color accuracy enhancement transistor that applies a first back bias voltage to the first transistor in response to a color accuracy enhancement signal.
    Type: Application
    Filed: March 7, 2019
    Publication date: September 12, 2019
    Inventors: Gun Hee KIM, Do Hyung KIM, Hyeonsik KIM, Sangho PARK, Joo-Sun YOON, Joohee JEON
  • Publication number: 20190259824
    Abstract: A flat panel display device includes: a substrate including a display region and a non-display region disposed at the periphery of the display region; a plurality of pixels disposed in the display region of the substrate, the plurality of pixels displaying an image; a plurality of pads disposed in the non-display region of the substrate; and a plurality of connecting lines electrically connecting the plurality of pads to the plurality of pixels. The plurality of pads are disposed above the plurality of connecting lines, and are electrically connected to the plurality of connecting lines through contact holes formed in an insulating layer. At least one pad among the plurality of pads overlaps with another connecting line connected to an adjacent pad.
    Type: Application
    Filed: February 21, 2019
    Publication date: August 22, 2019
    Inventors: Seung Hwan CHO, Seung Soo RYU, Joo Sun YOON, Dae Young JOUNG, Young Cheol JEONG, Jong Hyun CHOI
  • Publication number: 20190243202
    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: April 15, 2019
    Publication date: August 8, 2019
    Inventors: Yong-Ho YANG, Joo-Sun YOON, Ki-Hun JEONG
  • Patent number: 10347704
    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: Grant
    Filed: October 13, 2017
    Date of Patent: July 9, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Wal Jun Kim, Yong Jae Jang, Ki Wan Ahn, Joo Sun Yoon