Patents by Inventor Eun Jin SUNG

Eun Jin SUNG 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: 11922714
    Abstract: Provided is a display device. The display device includes a display panel which includes a base substrate, a thin-film transistor layer on the base substrate, and a light emitting element layer comprising light emitting elements on the thin-film transistor layer; a cover window on the light emitting element layer of the display panel; and a fingerprint recognition sensor layer under the display panel. The base substrate includes a first base, a second base on the first base, and a light blocking layer between the first base and the second base, and the light blocking layer includes holes through which light reflected by a finger touching the cover window passes.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: March 5, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Hyun Lee, Ji Hun Ryu, Il Nam Kim, Jong In Baek, Eun Jin Sung
  • Patent number: 11899893
    Abstract: A display device is provided. The display device comprise a substrate a display layer disposed on the substrate and including a plurality of light-emitting areas, and a touch layer disposed on the display layer and including a touch area and a non-touch area, the touch layer includes: a plurality of first sensor electrodes and a plurality of second sensor electrodes disposed in the touch area, and a plurality of antenna patterns disposed in a portion of the touch area disposed adjacent to the non-touch area, the plurality of antenna patterns includes: a first antenna pattern transmitting a transmit signal, and a second antenna pattern receiving the transmit signal, wherein each of the first antenna pattern and the second antenna pattern is at least partially surrounded by one of the plurality of first sensor electrodes or one of the plurality of second sensor electrodes in a plan view.
    Type: Grant
    Filed: February 21, 2023
    Date of Patent: February 13, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Rock Yoon, Ki Seo Kim, Eun Jin Sung, Seung Wook Chun
  • Patent number: 11741739
    Abstract: A display device may include: a first substrate including pixel areas; a circuit element layer disposed on a first surface of the first substrate, and including at least one conductive layer; a light emitting element layer disposed on the circuit element layer; pixels each including a circuit element and a light emitting element disposed on the circuit element layer and the light emitting element layer in a corresponding one of the pixel areas; a first light transmitting hole array layer including first light transmitting holes distributed in the circuit element layer; and a photo sensor array layer disposed on a second surface of the first substrate and configured to overlap with the first light transmitting hole array layer, the photo sensor array layer comprising photo sensors. The first light transmitting holes may include openings distributed in the at least one conductive layer.
    Type: Grant
    Filed: October 1, 2019
    Date of Patent: August 29, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eun Jin Sung, Ji Hun Ryu, Yun Ho Kim, Il Nam Kim, Won Sang Park, Jong In Baek, Katsumasa Yoshii
  • Patent number: 11721124
    Abstract: A fingerprint sensor for a display device including: a substrate having first and second surfaces; a light transmission layer including a first layer disposed on the first surface of the substrate and having first openings in at least one first conductive layer, and a second layer disposed on the first surface of the substrate and having second openings in at least one second conductive layer; a light emitting element layer disposed on the first layer and the second layer and having at least one light emitting element; and a sensor layer disposed on the second surface of the substrate and having light sensors. At least a portion of the first openings and at least a portion of the second openings at least partially overlap and have different sizes.
    Type: Grant
    Filed: January 24, 2022
    Date of Patent: August 8, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Hyun Lee, Il Nam Kim, Ji Hun Ryu, Eun Jin Sung, Seong Ryong Lee
  • Patent number: 11694620
    Abstract: A display device is provided including a substrate. The substrate includes a display region that includes a plurality of pixels and a sensing region provided in at least one region of the display region. A circuit element layer is disposed on the substrate, the circuit element layer includes a plurality of conductive layers. A light emitting element layer is provided on the circuit element layer. The light emitting element layer includes a plurality of light emitting elements. A sensor layer is disposed on the substrate. The sensor layer includes a plurality of photo sensor units each including sensor pixels. The photo sensor units are arranged in an irregular pattern in the sensing region.
    Type: Grant
    Filed: January 31, 2022
    Date of Patent: July 4, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji Hun Ryu, Il Nam Kim, Jong Hyun Lee, Jae Kyoung Kim, Eun Jin Sung, Seong Ryong Lee
  • Publication number: 20230205381
    Abstract: A display device is provided. The display device comprise a substrate a display layer disposed on the substrate and including a plurality of light-emitting areas, and a touch layer disposed on the display layer and including a touch area and a non-touch area, the touch layer includes: a plurality of first sensor electrodes and a plurality of second sensor electrodes disposed in the touch area, and a plurality of antenna patterns disposed in a portion of the touch area disposed adjacent to the non-touch area, the plurality of antenna patterns includes: a first antenna pattern transmitting a transmit signal, and a second antenna pattern receiving the transmit signal, wherein each of the first antenna pattern and the second antenna pattern is at least partially surrounded by one of the plurality of first sensor electrodes or one of the plurality of second sensor electrodes in a plan view.
    Type: Application
    Filed: February 21, 2023
    Publication date: June 29, 2023
    Inventors: Sang Rock YOON, Ki Seo KIM, Eun Jin SUNG, Seung Wook CHUN
  • Patent number: 11690263
    Abstract: A display device including a substrate; a display element layer on the substrate, the display element layer including light emitting devices; a circuit element layer between the substrate and the display element layer, the circuit element layer including signal lines and light transmitting areas which are located between the signal lines in a plan view and allow light to be transmitted therethrough; a first light blocking layer between the substrate and the circuit element layer, the first light blocking layer including first openings; and a second light blocking layer on the first light blocking layer, the second light blocking layer including second openings. The second light blocking layer includes second sub-light blocking layers disposed to be spaced apart from each other, the second sub-light blocking layers each having the second openings. The first openings of the first light blocking layer overlaps with an area between the second sub-light blocking layers.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: June 27, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji Hun Ryu, Il Nam Kim, Won Sang Park, Eun Jin Sung, Seong Ryong Lee, Jong Hyun Lee
  • Patent number: 11653540
    Abstract: A display device including a plurality of pixels arranged in a matrix, a substrate, a first anode disposed on the substrate, and a plurality of opaque conductive layers disposed between the substrate and the first anode, in which the pixels include an opening pixel including a first anode arrangement region, a pinhole region located around the first anode arrangement region and surrounded by the first anode, and a first anode non-arrangement region including an exposed region located outside the first anode, and in a plan view, the opaque conductive layers completely cover the exposed region and at least partially expose the pinhole region.
    Type: Grant
    Filed: August 9, 2021
    Date of Patent: May 16, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji Hun Ryu, Yun Ho Kim, Il Nam Kim, Eun Jin Sung
  • Patent number: 11625116
    Abstract: A display device includes: a base substrate including a touch area and a non-touch area adjacent to the touch area and including a first area and a second area; a touch electrode disposed in the touch area and including a lattice pattern; an antenna electrode disposed in the first area and including a lattice pattern; a first dummy pattern disposed in the first area; and a second dummy pattern disposed in the second area, wherein the second area is disposed between the first area and the touch area, and the lattice pattern of the touch electrode includes openings that are larger than openings of the lattice pattern of the antenna electrode.
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: April 11, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae-Kyoung Kim, Ki Seo Kim, Eun Jin Sung, Bong Hyun You, Won Sang Park
  • Patent number: 11609673
    Abstract: A display device is provided. The display device comprise a substrate a display layer disposed on the substrate and including a plurality of light-emitting areas, and a touch layer disposed on the display layer and including a touch area and a non-touch area, the touch layer includes: a plurality of first sensor electrodes and a plurality of second sensor electrodes disposed in the touch area, and a plurality of antenna patterns disposed in a portion of the touch area disposed adjacent to the non-touch area, the plurality of antenna patterns includes: a first antenna pattern transmitting a transmit signal, and a second antenna pattern receiving the transmit signal, wherein each of the first antenna pattern and the second antenna pattern is at least partially surrounded by one of the plurality of first sensor electrodes or one of the plurality of second sensor electrodes in a plan view.
    Type: Grant
    Filed: July 6, 2022
    Date of Patent: March 21, 2023
    Inventors: Sang Rock Yoon, Ki Seo Kim, Eun Jin Sung, Seung Wook Chun
  • Patent number: 11552137
    Abstract: A display device includes a light sensing array layer (LSAL), a substrate, a selective light transmission layer (SLTL), a pixel circuit layer (PCL), a display element layer (DEL), and pixels. The LSAL includes an optical sensor to sense incident light. The substrate is on the LSAL and includes a display area (DA) including pixel areas (PAs), and a non-DA adjacent to the DA. The SLTL is disposed on the substrate and includes through-holes to form a path of light onto the optical sensor, and a light-blocking conductive pattern (LBCP) between the through-holes. The PCL is disposed on the SLTL and includes a conductive layer and an insulation layer. The DEL is disposed on the PCL and emits light. Each pixel includes a pixel circuit disposed on the PCL, and a light emitting element on the DEL in a corresponding pixel area. The LBCP is electrically connected to the conductive layer.
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: January 10, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji Hun Ryu, Eun Jin Sung, Yun Ho Kim, Il Nam Kim, Won Sang Park
  • Publication number: 20220197425
    Abstract: A display device includes: a base substrate including a touch area and a non-touch area adjacent to the touch area and including a first area and a second area; a touch electrode disposed in the touch area and including a lattice pattern; an antenna electrode disposed in the first area and including a lattice pattern; a first dummy pattern disposed in the first area; and a second dummy pattern disposed in the second area, wherein the second area is disposed between the first area and the touch area, and the lattice pattern of the touch electrode includes openings that are larger than openings of the lattice pattern of the antenna electrode.
    Type: Application
    Filed: March 14, 2022
    Publication date: June 23, 2022
    Inventors: Jae-Kyoung KIM, Ki Seo Kim, Eun Jin Sung, Bong Hyun You, Won Sang Park
  • Patent number: 11367771
    Abstract: A display device of embodiments of the present disclosure may include a substrate including a display area including a plurality of pixel areas, and a non-display area adjacent the display area, a circuit element layer on the substrate, and including a plurality of non-transmission areas in which a plurality of signal lines for transferring signals for driving a pixel are positioned, and a plurality of transmission areas for transmitting light and located between the signal lines in a plan view, a light emitting element layer on the circuit element layer, and including light emitting elements, and a light blocking layer between the substrate and the circuit element layer, and including a plurality of first opening portions overlapping the non-transmission area, and a plurality of second opening portions overlapping the transmission area, wherein one of the non-transmission areas and the transmission area are in each of the pixel areas.
    Type: Grant
    Filed: August 10, 2020
    Date of Patent: June 21, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seong Ryong Lee, Jae Kyoung Kim, Won Sang Park, Jong In Baek, Eun Jin Sung, Jong Hyun Lee
  • Publication number: 20220157074
    Abstract: A display device is provided including a substrate. The substrate includes a display region that includes a plurality of pixels and a sensing region provided in at least one region of the display region. A circuit element layer is disposed on the substrate, the circuit element layer includes a plurality of conductive layers. A light emitting element layer is provided on the circuit element layer. The light emitting element layer includes a plurality of light emitting elements. A sensor layer is disposed on the substrate. The sensor layer includes a plurality of photo sensor units each including sensor pixels. The photo sensor units are arranged in an irregular pattern in the sensing region.
    Type: Application
    Filed: January 31, 2022
    Publication date: May 19, 2022
    Inventors: JI HUN RYU, IL NAM KIM, JONG HYUN LEE, JAE KYOUNG KIM, EUN JIN SUNG, SEONG RYONG LEE
  • Publication number: 20220148329
    Abstract: A fingerprint sensor for a display device including: a substrate having first and second surfaces; a light transmission layer including a first layer disposed on the first surface of the substrate and having first openings in at least one first conductive layer, and a second layer disposed on the first surface of the substrate and having second openings in at least one second conductive layer; a light emitting element layer disposed on the first layer and the second layer and having at least one light emitting element; and a sensor layer disposed on the second surface of the substrate and having light sensors. At least a portion of the first openings and at least a portion of the second openings at least partially overlap and have different sizes.
    Type: Application
    Filed: January 24, 2022
    Publication date: May 12, 2022
    Inventors: Jong Hyun LEE, II Nam KIM, Ji Hun RYU, Eun Jin SUNG, Seong Ryong LEE
  • Publication number: 20220109029
    Abstract: A display device includes a light sensing array layer (LSAL), a substrate, a selective light transmission layer (SLTL), a pixel circuit layer (PCL), a display element layer (DEL), and pixels. The LSAL includes an optical sensor to sense incident light. The substrate is on the LSAL and includes a display area (DA) including pixel areas (PAs), and a non-DA adjacent to the DA. The SLTL is disposed on the substrate and includes through-holes to form a path of light onto the optical sensor, and a light-blocking conductive pattern (LBCP) between the through-holes. The PCL is disposed on the SLTL and includes a conductive layer and an insulation layer. The DEL is disposed on the PCL and emits light. Each pixel includes a pixel circuit disposed on the PCL, and a light emitting element on the DEL in a corresponding pixel area. The LBCP is electrically connected to the conductive layer.
    Type: Application
    Filed: October 18, 2021
    Publication date: April 7, 2022
    Inventors: Ji Hun RYU, Eun Jin SUNG, Yun Ho KIM, Il Nam KIM, Won Sang PARK
  • Publication number: 20220102444
    Abstract: A display device including a plurality of pixels arranged in a matrix, a substrate, a first anode disposed on the substrate, and a plurality of opaque conductive layers disposed between the substrate and the first anode, in which the pixels include an opening pixel including a first anode arrangement region, a pinhole region located around the first anode arrangement region and surrounded by the first anode, and a first anode non-arrangement region including an exposed region located outside the first anode, and in a plan view, the opaque conductive layers completely cover the exposed region and at least partially expose the pinhole region.
    Type: Application
    Filed: August 9, 2021
    Publication date: March 31, 2022
    Inventors: Ji Hun Ryu, Yun Ho Kim, II Nam Kim, Eun Jin Sung
  • Patent number: 11275463
    Abstract: A display device includes: a base substrate including a touch area and a non-touch area adjacent to the touch area and including a first area and a second area; a touch electrode disposed in the touch area and including a lattice pattern; an antenna electrode disposed in the first area and including a lattice pattern; a first dummy pattern disposed in the first area; and a second dummy pattern disposed in the second area, wherein the second area is disposed between the first area and the touch area, and the lattice pattern of the touch electrode includes openings that are larger than openings of the lattice pattern of the antenna electrode.
    Type: Grant
    Filed: September 1, 2020
    Date of Patent: March 15, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae-Kyoung Kim, Ki Seo Kim, Eun Jin Sung, Bong Hyun You, Won Sang Park
  • Publication number: 20220075980
    Abstract: A display device includes a light emitting electrode on a thin film transistor layer. The thin film transistor layer includes a lower metal layer on a substrate and a semiconductor layer above and overlapping the lower metal layer. The lower metal layer includes a plurality of curved portions. Edges of respective ones of the curved portions are on concentric circles having substantially a same center point and an edge of the semiconductor layer is on the lower metal layer.
    Type: Application
    Filed: August 19, 2021
    Publication date: March 10, 2022
    Inventors: JONG HYUN LEE, Eun Jin SUNG, Kyung Tea PARK, Kang Bin JO, Go Eun CHA
  • Patent number: 11263429
    Abstract: According to an aspect of the invention, a fingerprint sensor for a display device includes: a substrate having first and second surfaces; a light transmission layer including a first layer disposed on the first surface of the substrate and having first openings in at least one first conductive layer, and a second layer disposed on the first surface of the substrate and having second openings in at least one second conductive layer; a light emitting element layer disposed on the first layer and the second layer and having at least one light emitting element; and a sensor layer disposed on the second surface of the substrate and having light sensors, where at least a portion of the first openings and at least a portion of the second openings at least partially overlap and have different sizes.
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: March 1, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Hyun Lee, Il Nam Kim, Ji Hun Ryu, Eun Jin Sung, Seong Ryong Lee