Patents by Inventor Won-Sang Park

Won-Sang Park 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: 11423691
    Abstract: A display device includes a display panel including a plurality of pixels configured to display an image, a photo sensor on one surface of the display panel to sense light, and a fingerprint detector configured to control a fake determination image pattern of a fingerprint sensing area of the display panel configured to sense a fingerprint, and to perform fingerprint authentication and fake fingerprint determination, based on a sensing signal supplied from the photo sensor.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: August 23, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung Hyun Moon, Yun Ho Kim, Jin Oh Kwag, Won Sang Park, Bong Hyun You, Keum Dong Jung, Chui Kim, Jun Hee Moon, Deok Hwa Woo, Hee Chui Hwang
  • Publication number: 20220229514
    Abstract: A display device including: a display unit including a plurality of emission areas which emit light; and a plurality of touch electrodes disposed on the display unit to detect a touch input, wherein at least some of the touch electrodes include a code pattern part including a plurality of code patterns that include cutouts corresponding to location inforniation.
    Type: Application
    Filed: September 27, 2021
    Publication date: July 21, 2022
    Inventor: 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: 20220129106
    Abstract: A display apparatus includes a display panel configured to display an image and a touch antenna array disposed on the display panel. The touch antenna array may include a touch electrode, a touch wiring electrically connected to the touch electrode, an antenna electrode including a plurality of antenna elements, a feeder electrically connected to the antenna electrode, and a shielding electrode disposed between the touch wiring and the feeder.
    Type: Application
    Filed: January 3, 2022
    Publication date: April 28, 2022
    Inventors: Ki Seo KIM, Jae-Kyoung KIM, Won Sang PARK, Bong Hyun YOU
  • Patent number: 11314356
    Abstract: A touch sensor includes: a substrate that includes active and non-active regions; driving cells disposed on the active region that extend in a first direction; sensing cells disposed on the active region that extend in a second direction that intersects the first direction; a first connection pattern that connects adjacent driving cells; a second connection pattern that connects adjacent sensing cells; and a touch driver disposed on the non-active region that includes thin film transistors that transmit a driving signal to each of the driving cells. The thin film transistor includes: a semiconductor layer; a gate electrode disposed on the semiconductor layer with a first insulating layer interposed therebetween; and source and drain electrodes connected to the semiconductor layer and spaced apart from each other. The first connection pattern is disposed in the same layer as at least one of the source or drain electrodes or the gate electrode.
    Type: Grant
    Filed: January 14, 2021
    Date of Patent: April 26, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Il Nam Kim, Byeong Hee Won, Kyung Tea Park, Won Sang Park
  • 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
  • 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: 20220058254
    Abstract: A display device including a fingerprint sensor including a first layer having at least one photo sensor to generate a fingerprint image corresponding to reflected light from a fingerprint contact surface, light emitting elements to transmit light reflected by the fingerprint, and a second layer including pin holes to allow reflected light to be incident upon the at least one photo sensor; and a fingerprint detector to receive the fingerprint image from the fingerprint sensor, to extract a first image corresponding to a first region of the fingerprint and a second image corresponding to a second region of the fingerprint, to compare the first and second images to determine similarity, and to perform fingerprint authentication, based on similarity determination, where the fingerprint first region is in contact with the fingerprint contact surface and the fingerprint second region is not in contact with the fingerprint contact surface.
    Type: Application
    Filed: November 7, 2021
    Publication date: February 24, 2022
    Inventors: Won Sang PARK, Jin Oh KWAG, ILNAM KIM, Ji Hun RYU, Seung Hyun MOON, Bong Hyun YOU, Jong Hyun LEE, Hee Chul HWANG
  • Patent number: 11256373
    Abstract: An input sensing unit that utilizes conductive layers to sense various types of input. The input sensing unit may include a first conductive layer including first sensing electrodes; a second conductive layer disposed on the first conductive layer, the second conductive layer including second sensing electrodes and third sensing electrodes; and at least one insulating layer insulating the first conductive layer and the second conductive layer from each other. The input sensing unit senses at least one of a touch, a pressure, and a degree of moisture based on a change in capacitance between the conductive layers.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: February 22, 2022
    Assignees: SAMSUNG DISPLAY CO., LTD., UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Jae Ik Lim, Won Sang Park, Hye Yong Chu, Kibog Park, Sungchul Jung, Hanbyul Jin
  • Patent number: 11246532
    Abstract: An electronic device to be mounted around a finger includes: a top part on which a nail of the finger is located; a bottom part disposed opposite to the top part, where a fingerprint surface of the finger is located on the bottom part; and a side part connecting the top part and the bottom part to each other, where the top part generates a nail image by image-picking up the nail, and senses a movement of the finger, based on the nail image.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: February 15, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae Ik Lim, Won Sang Park
  • Publication number: 20220013599
    Abstract: A diode display includes a substrate having a first island and a second island spaced apart from each other, a first pixel disposed on the first island, and a second pixel disposed on the second island. The first pixel includes a first base layer, a first transistor on the first base layer, a first light emitting element electrically connected to the first transistor, and a first encapsulation layer covering the first light emitting element. The second pixel includes a second base layer, a second transistor on the second base layer, a second light emitting element connected to the second transistor, and a second encapsulation layer covering the second light emitting element.
    Type: Application
    Filed: September 24, 2021
    Publication date: January 13, 2022
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jong Ho HONG, Won Il CHOI, Hye Jin JOO, Won Sang PARK, Mu Gyeom KIM, Man Sik MYEONG, Hyo Yul YOON
  • Patent number: 11216108
    Abstract: A display apparatus includes a display panel configured to display an image and a touch antenna array disposed on the display panel. The touch antenna array may include a touch electrode, a touch wiring electrically connected to the touch electrode, an antenna electrode including a plurality of antenna elements, a feeder electrically connected to the antenna electrode, and a shielding electrode disposed between the touch wiring and the feeder.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: January 4, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Seo Kim, Jae-Kyoung Kim, Won Sang Park, Bong Hyun You
  • Patent number: 11170090
    Abstract: A display device includes a fingerprint sensor including a first layer having at least one photo sensor to generate a fingerprint image corresponding to reflected light from a fingerprint contact surface, light emitting elements to transmit light reflected by the fingerprint, and a second layer including pin holes to allow reflected light to be incident upon the at least one photo sensor; and fingerprint detector to receive the fingerprint image from the fingerprint sensor, to extract a first image corresponding to a first region of the fingerprint and a second image corresponding to a second region of the fingerprint, to compare the first and second images to determine similarity, and to perform fingerprint authentication, based on similarity determination, where the fingerprint first region is in contact with the fingerprint contact surface and the fingerprint second region is not in contact with the fingerprint contact surface.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: November 9, 2021
    Assignee: Samsung Display Co., LTD.
    Inventors: Won Sang Park, Jin Oh Kwag, Il Nam Kim, Ji Hun Ryu, Seung Hyun Moon, Bong Hyun You, Jong Hyun Lee, Hee Chul Hwang
  • Publication number: 20210334496
    Abstract: A fingerprint recognition device including: a sensing panel including a plurality of sensing blocks, wherein each of the sensing blocks includes a plurality of sensors; a scan driving unit configured to provide a scan signal to the sensors; and a timing controller configured to provide a second initiation signal to the scan driving unit, wherein each of the sensors includes a reference capacitor and a sensing capacitor, the scan driving unit includes scan drivers that correspond to rows of the sensing blocks, in a fingerprint recognition mode, the timing controller provides the second initiation signal to a scan driver corresponding to a sensing block where a touch input is generated, and in a touch mode, the timing controller sequentially provides the second initiation signal to the scan drivers.
    Type: Application
    Filed: July 8, 2021
    Publication date: October 28, 2021
    Inventors: Keum Dong JUNG, II Nam Kim, Kyung Tea Park, Jin Oh Kwag, Won Sang Park, Sung Chan Jo
  • Patent number: 11157120
    Abstract: A display device according to an embodiment includes: a display panel including a plurality of pixels disposed in a display region; a pressure sensor disposed to overlap with the display panel, the pressure sensor including a plurality of sensor electrodes disposed in a touch region; a bump structure disposed on at least one of a first surface and a second surface of the pressure sensor to be separated from the sensor electrodes; and a housing supporting the display panel, the pressure sensor, and the bump structure. The bump structure includes a plurality of bumps distributed on respective coordinate points at which the sensor electrodes are disposed.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: October 26, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won Ki Hong, Tae Hee Lee, Rang Kyun Mok, Won Sang Park
  • Patent number: 11152434
    Abstract: A diode display includes a substrate having a first island and a second island spaced apart from each other, a first pixel disposed on the first island, and a second pixel disposed on the second island. The first pixel includes a first base layer, a first transistor on the first base layer, a first light emitting element electrically connected to the first transistor, and a first encapsulation layer covering the first light emitting element. The second pixel includes a second base layer, a second transistor on the second base layer, a second light emitting element connected to the second transistor, and a second encapsulation layer covering the second light emitting element.
    Type: Grant
    Filed: May 1, 2020
    Date of Patent: October 19, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jong Ho Hong, Won Il Choi, Hye Jin Joo, Won Sang Park, Mu Gyeom Kim, Man Sik Myeong, Hyo Yul Yoon
  • Patent number: 11152435
    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: March 4, 2020
    Date of Patent: October 19, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji Hun Ryu, Eun Jin Sung, Yun Ho Kim, Il Nam Kim, Won Sang Park
  • Patent number: 11130001
    Abstract: A display apparatus providing light therapy includes a display panel configured to display an image to a display region based on input image data, and a lens part disposed on the display panel, the lens part configured to focus the image displayed by the display panel toward a first region in a therapy mode, in which the first region is smaller than the display region, and the first region may correspond to a position of a user's face.
    Type: Grant
    Filed: June 11, 2014
    Date of Patent: September 28, 2021
    Inventors: Jong-Ho Hong, Seung-Chan Lee, Won-Sang Park, Jong-In Baek
  • Patent number: 11113499
    Abstract: A fingerprint recognition device including: a sensing panel including a plurality of sensing blocks, wherein each of the sensing blocks includes a plurality of sensors; a scan driving unit configured to provide a scan signal to the sensors; and a timing controller configured to provide a second initiation signal to the scan driving unit, wherein each of the sensors includes a reference capacitor and a sensing capacitor, the scan driving unit includes scan drivers that correspond to rows of the sensing blocks, in a fingerprint recognition mode, the timing controller provides the second initiation signal to a scan driver corresponding to a sensing block where a touch input is generated, and in a touch mode, the timing controller sequentially provides the second initiation signal to the scan drivers.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: September 7, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Keum Dong Jung, Il Nam Kim, Kyung Tea Park, Jin Oh Kwag, Won Sang Park, Sung Chan Jo