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).

  • Publication number: 20210225989
    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: Application
    Filed: September 22, 2020
    Publication date: July 22, 2021
    Inventors: Ji Hun RYU, II Nam KIM, Won Sang PARK, Eun Jin SUNG, Seong Ryong LEE, Jong Hyun LEE
  • Patent number: 11024682
    Abstract: The fingerprint sensor may include: a light transmitting hole array layer including a plurality of light blocking patterns having a plurality of light transmitting holes to form light transmitting paths of light rays; a sensor layer including a plurality of photo sensors configured to sense light rays that pass through the light transmitting holes and are incident on the sensor layer; and metal patterns configured to apply electrical signals to pixels or the light blocking patterns. A gap between the light blocking patterns may overlap with at least some of the metal patterns.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: June 1, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Il Nam Kim, Yun Ho Kim, Ji Hun Ryu, Eun Jin Sung
  • Publication number: 20210132722
    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: September 1, 2020
    Publication date: May 6, 2021
    Inventors: Jae-Kyoung KIM, Ki Seo KIM, Eun Jin SUNG, Bong Hyun YOU, Won Sang PARK
  • Patent number: 10977468
    Abstract: An optical unit and a display device including same. The optical unit is for a fingerprint sensor of the display device, and the optical unit includes a first prism to block light rays incident at an angle greater than a detection target incident angle; and a second prism disposed under the first prism to block light rays incident at an angle less than the detection target incident angle.
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: April 13, 2021
    Inventors: Ji Hun Ryu, Katsumasa Yoshii, Yun Ho Kim, Il Nam Kim, Eun Jin Sung
  • Publication number: 20210056282
    Abstract: A display device including a display panel having a display area including a plurality of pixels and a non-display area surrounding at least one side of the display area, a light blocking layer at least partially overlapping the display area and including opening portions for selectively passing incident light, and a power supply device configured to supply power to the pixels and the light blocking layer, in which the power supply device is configured to apply control power having a different voltage value in correspondence with a type of an image to be displayed in the display area to the light blocking layer, during a display period.
    Type: Application
    Filed: August 21, 2020
    Publication date: February 25, 2021
    Inventors: Il Nam KIM, Jae Kyoung KIM, Ji Hun RYU, Eun Jin SUNG, Seong Ryong LEE, Jong Hyun LEE
  • Publication number: 20210050403
    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: Application
    Filed: August 10, 2020
    Publication date: February 18, 2021
    Inventors: Seong Ryong LEE, Jae Kyoung KIM, Won Sang PARK, Jong In BAEK, Eun Jin SUNG, Jong Hyun LEE
  • Publication number: 20210034832
    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: Application
    Filed: July 16, 2020
    Publication date: February 4, 2021
    Inventors: Jong Hyun LEE, Ji Hun RYU, Il Nam KIM, Jong In BAEK, Eun Jin SUNG
  • Publication number: 20200395433
    Abstract: A display device includes: a substrate including a display area having a plurality of pixel areas and a non-display area surrounding at least one side of the display area; a light-blocking layer disposed on a first surface of the substrate and including light transmissive areas to allow incident light to pass therethrough; a circuit-element layer disposed on the light-blocking layer and including a plurality of conductive layers; a light-emitting element layer disposed on the circuit-element layer and including light-emitting elements; and a sensor layer disposed on a second surface of the substrate opposing the first surface to sense the light passing through the light transmissive areas. The light-blocking layer is electrically coupled to at least one of the plurality of conductive layers.
    Type: Application
    Filed: June 4, 2020
    Publication date: December 17, 2020
    Inventors: Eun Jin SUNG, Seong Ryong Lee, Jae Kyoung Kim, Won Sang Park, Jong In Baek, Bong Hyun You
  • Publication number: 20200394381
    Abstract: A display deice 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: May 29, 2020
    Publication date: December 17, 2020
    Inventors: JI HUN RYU, Il Nam Kim, Jong Hyun Lee, Jae Kyoung Kim, Eun Jin Sung, Seong Ryong Lee
  • Publication number: 20200380239
    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: Application
    Filed: May 27, 2020
    Publication date: December 3, 2020
    Inventors: Jong Hyun LEE, Il Nam KIM, Ji Hun RYU, Eun Jin SUNG, Seong Ryong LEE
  • Publication number: 20200343312
    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: March 4, 2020
    Publication date: October 29, 2020
    Inventors: Ji Hun Ryu, Eun Jin Sung, Yun Ho Kim, Il Nam Kim, Won Sang Park
  • Publication number: 20200219948
    Abstract: The fingerprint sensor may include: a light transmitting hole an-ay layer including a plurality of light blocking patterns having a plurality of light transmitting holes to form light transmitting paths of light rays; a sensor layer including a plurality of photo sensors configured to sense light rays that pass through the light transmitting holes and are incident on the sensor layer; and metal patterns configured to apply electrical signals to pixels or the light blocking patterns. A gap between the light blocking patterns may overlap with at least some of the metal patterns.
    Type: Application
    Filed: November 19, 2019
    Publication date: July 9, 2020
    Inventors: Il Nam Kim, Yun Ho Kim, Ji Hun Ryu, Eun Jin Sung
  • Publication number: 20200219946
    Abstract: A display device including a plurality of pixels arranged in a matrix includes a substrate, a first anode disposed on the substrate, and opaque conductive layers disposed between the substrate and the first anode, in which the plurality of 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 the opaque conductive layers completely cover the exposed region and at least partially expose the pinhole region.
    Type: Application
    Filed: November 12, 2019
    Publication date: July 9, 2020
    Inventors: Ji Hun RYU, Yun Ho KIM, Il Nam KIM, Eun Jin SUNG
  • Publication number: 20200104562
    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: Application
    Filed: October 1, 2019
    Publication date: April 2, 2020
    Inventors: Eun Jin SUNG, Ji Hun Ryu, Yun Ho Kim, II Nam Kim, Won Sang Park, Jong In Baek, Katsumasa Yoshii
  • Publication number: 20200065547
    Abstract: An optical unit and a display device including same. The optical unit is for a fingerprint sensor of the display device, and the optical unit includes a first prism to block light rays incident at an angle greater than a detection target incident angle; and a second prism disposed under the first prism to block light rays incident at an angle less than the detection target incident angle.
    Type: Application
    Filed: June 6, 2019
    Publication date: February 27, 2020
    Inventors: Ji Hun RYU, Katsumasa YOSHII, Yun Ho KIM, Il Nam KIM, Eun Jin SUNG
  • Patent number: 10572064
    Abstract: A touch sensor, and method of operating same, includes: a flexible substrate capable of being bent into curved or flat shapes; a plurality of pressure sensors provided on the substrate; and a sensor controller configured to determine a bent form of the substrate by using a first detection signal obtained from at least one of the plurality of pressure sensors and to compensate for an intensity of touch by generating a signal based upon the bent form of the substrate.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: February 25, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won Ki Hong, Won Sang Park, Eun Jin Sung
  • Patent number: 10296149
    Abstract: A display device includes a display panel, a touch sensor, and a conductive layer. The touch sensor is disposed on the display panel, and is configured to detect a pressure of a touch and calculate a position and an intensity of the touch. The conductive layer is disposed on the touch sensor. The touch sensor includes a plurality of first electrodes, a plurality of second electrodes spaced apart from the plurality of first electrodes, and a plurality of elastic members disposed between the plurality of first electrodes and the plurality of second electrodes. The display device is configured to calculate a variation a of capacitance between the plurality of first electrodes and the plurality of second electrodes that is caused by a transformation of the elastic member in response to the pressure of the touch.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: May 21, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Won Ki Hong, Jong In Baek, Eun Jin Sung
  • Patent number: 10096287
    Abstract: A display device includes a display panel including a plurality of pixels, an illuminance sensor to measure illuminance, and a display controller which includes a processor a brightness controllers. The processor calculates an external illuminance value with reference to a signal from the illuminance sensor. The brightness controller turns off at least one of the pixels and controls the brightness of the display panel when the calculated external illuminance value is in a first region. The first region may be, for example, in a mesopic region.
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: October 9, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Eun Jin Sung, Jong In Baek, Ji Young Moon, Il Nam Kim, Won Sang Park, Byeong Hee Won
  • Publication number: 20180210578
    Abstract: A touch sensor includes a substrate, a base layer, and sensor pixels. The base layer has first patterns arranged on the substrate and second patterns coupled between the first patterns. The sensor pixels are disposed on the first patterns and configured to sense a touch of a user depending on a change in capacitance associated with a corresponding sensor pixel. A computer mouse incorporating touch sensors also is disclosed.
    Type: Application
    Filed: January 24, 2018
    Publication date: July 26, 2018
    Inventors: Byeong Hee Won, Mu Gyeom Kim, Kyung Tea Park, Eun Jin Sung
  • Publication number: 20180107325
    Abstract: A display device includes a display panel, a touch sensor, and a conductive layer. The touch sensor is disposed on the display panel, and is configured to detect a pressure of a touch and calculate a position and an intensity of the touch. The conductive layer is disposed on the touch sensor. The touch sensor includes a plurality of first electrodes, a plurality of second electrodes spaced apart from the plurality of first electrodes, and a plurality of elastic members disposed between the plurality of first electrodes and the plurality of second electrodes. The display device is configured to calculate a variation a of capacitance between the plurality of first electrodes and the plurality of second electrodes that is caused by a transformation of the elastic member in response to the pressure of the touch.
    Type: Application
    Filed: May 31, 2017
    Publication date: April 19, 2018
    Inventors: WON KI HONG, JONG IN BAEK, EUN JIN SUNG