Patents by Inventor Yong-Sik HWANG

Yong-Sik HWANG 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: 20240113260
    Abstract: A display device includes a display area where an image is displayed, a non-display area disposed adjacent to the display area, a first sub-pixel disposed in the display area, and a second sub-pixel disposed adjacent to the first sub-pixel in the display area. Each of the first sub-pixel and the second sub-pixel includes a plurality of alignment electrodes spaced apart from each other, and a plurality of light emitting elements disposed between the plurality of alignment electrodes. Each of the plurality of light emitting elements includes a first end having a first polarity, and a second end having a second polarity different from the first polarity. An orientation of the light emitting elements in the first sub-pixel and an orientation of the light emitting elements in the second sub-pixel are symmetrical. The first sub-pixel includes an identification pattern for distinguishing the first sub-pixel from the second sub-pixel.
    Type: Application
    Filed: August 9, 2023
    Publication date: April 4, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Hoon KIM, Min Joo KIM, Je Won YOO, Seung Kyu LEE, Yong Sik HWANG
  • Publication number: 20240092228
    Abstract: A seat for a vehicle, includes a second row center seat and a second row side seat provided on a partition wall positioned rearward of a driver seat, the second row center seat may move leftward or rightward, and an interval between the seats may be increased in a state in which the second row center seat is moved in a right direction away from the second row side seat, which makes it possible to maximally prevent body contact between a passenger in the second row center seat and a passenger in the second row side seat.
    Type: Application
    Filed: January 20, 2023
    Publication date: March 21, 2024
    Applicants: Hyundai Motor Company, Kia Corporation, Hyundai Transys Inc.
    Inventors: Jung Sang YOU, Yong Chul Kim, Dae Hee Lee, Eun Sue Kim, Jae Hoon Cho, Han Kyung Park, Jae Sung Shin, Hae Dong Kwak, Jun Sik Hwang, Gwon Hwa Bok
  • Publication number: 20240067056
    Abstract: The present disclosure relates to a vehicle rear seat including: a center seat; and side seats located on the left and right of the center seat, wherein, the center seat is capable of protruding by moving the center seat forward with respect to the side seats, and in the state in which the center seat protrudes forward, it is possible to increase an inter-passenger distance so that physical contact between the passenger of the center seat and the passenger of each of the side seats can be prevented as much as possible.
    Type: Application
    Filed: March 6, 2023
    Publication date: February 29, 2024
    Inventors: Jung Sang You, Yong Chul Kim, Dae Hee Lee, Eun Sue Kim, Jae Hoon Cho, Han Kyung Park, Jae Sung Shin, Hae Dong Kwak, Jun Sik Hwang, Gwon Hwa Bok
  • Publication number: 20240030388
    Abstract: A display device includes a display area and a non-display area; and a pixel disposed on the display area of a substrate. The pixel includes a first sub-pixel disposed in a first sub-pixel area, the first sub-pixel emitting light of a first color; a second sub-pixel disposed in a second sub-pixel area, the second sub-pixel emitting light of a second color; and a third sub-pixel disposed in a third sub-pixel area, the third sub-pixel emitting light of a third color. Each of two sub-pixels among the first sub-pixel, the second sub-pixel, and the third sub-pixel includes a light emitting element emitting light of the third color, and the other sub-pixel among the first sub-pixel, the second sub-pixel, and the third sub-pixel includes a light emitting element emitting light of a color different from the third color.
    Type: Application
    Filed: June 21, 2023
    Publication date: January 25, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Hoon KIM, Min Joo KIM, Je Won YOO, Seung Kyu LEE, Yong Sik HWANG
  • Patent number: 11882728
    Abstract: A display device includes: first and second display panels adjacent to each other along one direction, wherein: each of the first and second display panels includes a substrate, and a display portion on the substrate and includes a plurality of pixels including a pixel circuit layer on the substrate, at least one transistor, a display element layer on the pixel circuit layer, and at least one light emitting element emitting light; the substrate of the first display panel and the substrate of the second display panel are engaged with each other in a plan view and a cross-sectional view; the display portion of the first display panel and the display portion of the second display panel are engaged with each other in a plan view and a cross-sectional view; and a boundary between the display portion of the first display panel and the display portion of the second display panel.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: January 23, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won Tae Kim, Chang Hyeok Choi, Yong Sik Hwang, Jang Bog Ju
  • Publication number: 20240014356
    Abstract: A display device according to an embodiment of the disclosure includes a channel formation pattern disposed on a base layer and including a first channel and a second channel spaced apart from each other; and a light emitting element disposed on the channel formation pattern. The light emitting element is aligned between the first channel and the second channel.
    Type: Application
    Filed: June 21, 2023
    Publication date: January 11, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Je Won YOO, Min Joo KIM, Hoon KIM, Seung Kyu LEE, Yong Sik HWANG
  • Publication number: 20240006559
    Abstract: A display device is provided. The display device comprises a substrate, a first electrode and a second electrode above the substrate, extending in one direction, and spaced apart from each other in another direction, a light-emitting element above the first electrode and the second electrode, a first connection electrode contacting one end portion of the light-emitting element, a second connection electrode contacting another end portion of the light-emitting element, and a first insulating layer between the light-emitting element and the first and second electrodes, and including a light-blocking material.
    Type: Application
    Filed: May 9, 2023
    Publication date: January 4, 2024
    Inventors: Je Won YOO, Min Joo KIM, Hoon KIM, Seung Kyu LEE, Yong Sik HWANG
  • Publication number: 20230402491
    Abstract: A display device includes a bank defining an emission area; a first passage in which a first light emitting element is disposed in the emission area; a second passage in which a second light emitting element is disposed in the emission area; a third passage in which a third light emitting element is disposed in the emission area; and a fourth passage in which a fourth light emitting element is disposed in the emission area, wherein the emission area has a rectangular shape comprising a first side extending in a first direction and a second side extending in a second direction intersecting the first direction and having a length longer than the first side, and the first passage, the second passage, the third passage, and the fourth passage are spaced apart from each other, and each extends in a third direction intersecting the first direction and the second direction.
    Type: Application
    Filed: February 3, 2023
    Publication date: December 14, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Yong Sik HWANG, Sang Ho PARK, Seung Kyu LEE, Hoon KIM
  • Publication number: 20230395753
    Abstract: A display device includes a bank layer defining an emission area in which light-emitting elements are disposed, a first electrode and a second electrode that are spaced apart from each other in the emission area, the light-emitting elements being disposed between the first electrode and the second electrode, and an electrode pattern layer disposed above the bank layer, the light-emitting elements, the first electrode and the second electrode. The electrode pattern layer includes a lattice pattern that does not overlap the emission area and that surrounds edges of the emission area, and a slit pattern overlapping the emission area.
    Type: Application
    Filed: April 21, 2023
    Publication date: December 7, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Yong Sik HWANG, Seung Kyu LEE
  • Publication number: 20230387369
    Abstract: A display device comprises conductive layers disposed on a substrate in different layers, a via layer on the conductive layers, a bank disposed on the via layer and defining a light emission area, bank patterns on the via layer and extended in a first direction, a first electrode on the bank patterns and extended in the first direction, and a second electrode disposed on the bank patterns and extended in the first direction, and light emitting elements on the first electrode and the second electrode. The bank patterns are spaced apart from each other. The first and second electrodes are spaced apart from each other. The bank and the bank patterns define an alignment area in which the light emitting elements are disposed. An area, in which two or more of the conductive layers overlap each other in a plan view is about 80% or more in the alignment area.
    Type: Application
    Filed: February 27, 2023
    Publication date: November 30, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Hoon KIM, Min Joo KIM, Je Won YOO, Seung Kyu LEE, Yong Sik HWANG
  • Patent number: 11672144
    Abstract: The present disclosure relates to a display device. The display device includes a substrate. The substrate includes a first display area, a second display area, a plurality of first pixels, a plurality of second pixels, and a plurality of diffraction patterns. The plurality of first pixels are disposed on the first display area. The plurality of second pixels are disposed on the second display area. The plurality of diffraction patterns are disposed on the second pixels When viewed in a plane orientation, an array density of the first pixels disposed in the first display area is greater than an array density of the second pixels disposed in the second display area.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: June 6, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Gwangteak Lee, Seongsik Choi, Yong-sik Jung, Yong-Sik Hwang
  • Publication number: 20230130149
    Abstract: According to one or more embodiments of the present disclosure, a display device including a first extension area and a second extension area, the display device including: a first electrode and a second electrode on a substrate and spaced from each other in a first direction; and a first light emitting element on the first electrode and the second electrode, wherein: the first extension area extends in the first direction and includes a separation area in which the first electrode is not located, and the second extension area extends in a second direction crossing the first direction, the second extension area being an area in which the first electrode and the second electrode are not located.
    Type: Application
    Filed: October 24, 2022
    Publication date: April 27, 2023
    Inventors: Sung Jin LEE, Won Tae KIM, Je Won YOO, Yong Sik HWANG
  • Publication number: 20230111396
    Abstract: A display device includes an emission area including light emitting elements; a line area including signal lines electrically connected to the light emitting elements; a transmission area disposed at a periphery of the emission area and the line area; a bank disposed in the emission area and the line area; and an optical layer disposed in a space surrounded by the bank in the transmission area.
    Type: Application
    Filed: August 2, 2022
    Publication date: April 13, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Hoon KIM, Won Tae KIM, Yong Sik HWANG
  • Publication number: 20230070620
    Abstract: A display device includes: a substrate including a display area having a plurality of pixels, a pad area having a plurality of pads, and a non-display area including a fan-out area between the display area and the pad area; at least one first fan-out line in the fan-out area; at least one second fan-out line in the fan-out area and electrically disconnected from the first fan-out line; first, second, and third insulating layers sequentially arranged on the substrate; and a first conductive layer between the substrate and the first insulating layer, a second conductive layer on the second insulating layer, and a third conductive layer on the third insulating layer, wherein each of the first and second fan-out lines has a multi-layered stacking structure in which a first sub-line, a second sub-line, and a third sub-line provided in different layers are stacked.
    Type: Application
    Filed: August 11, 2022
    Publication date: March 9, 2023
    Inventors: Seung Kyu LEE, Hoon KIM, Yong Sik HWANG
  • Publication number: 20230030535
    Abstract: A display device comprises sub-pixels, a bank disposed on a substrate and disposed at a boundary between the sub-pixels, a wavelength control layer including wavelength conversion layers disposed in a region surrounded by the bank and a light transmitting layer disposed in the sub-pixels, a color filter layer disposed on the wavelength control layer, and light emitting element layers disposed between the substrate and the wavelength control layer, the light emitting layers including a light emitting element disposed in one of the sub-pixels, and connection electrodes connected to ends of the light emitting element.
    Type: Application
    Filed: June 10, 2022
    Publication date: February 2, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Seung Kyu LEE, Won Tae KIM, Hoon KIM, Yong Sik HWANG
  • Publication number: 20230014830
    Abstract: A pixel may include first and second electrodes spaced apart from each other along a first direction, first light emitting elements arranged along a second direction in a first area between the first electrode and the second electrode, and including a first end portion adjacent to the first electrode and a second end portion adjacent to the second electrode, a first contact electrode on the first end portions of the first light emitting elements, and including a transparent electrode layer, a second contact electrode on the second end portions of the first light emitting elements, and including a reflective electrode layer, a first bank pattern overlapping a portion of the first electrode beneath the first electrode, and a second bank pattern overlapping a portion of the second electrode beneath the second electrode, wherein the first and second bank patterns are spaced apart from the first area by different distances.
    Type: Application
    Filed: May 12, 2022
    Publication date: January 19, 2023
    Inventors: Hoon KIM, Je Won YOO, Yong Sik HWANG
  • Publication number: 20220343810
    Abstract: A display device and a tiled display are provided. The display device includes: a substrate having a display area and a non-display area which are defined thereon; a circuit element layer disposed on the substrate and including a conductive layer; an electrode layer disposed on the circuit element layer and including first and second electrodes spaced apart from each other; a light-emitting element disposed between the first electrode and the second electrode; and a dummy pattern disposed in a heat dissipation dummy area located at an edge of the display area. The dummy pattern includes a first layer and a second layer, the first layer is made of or includes a same material as the conductive layer of the circuit element layer, and the second layer is disposed above the first layer and in contact with at least a part of the first layer.
    Type: Application
    Filed: December 1, 2021
    Publication date: October 27, 2022
    Inventors: Hoon KIM, Won Tae KIM, Yong Sik HWANG
  • Publication number: 20220293670
    Abstract: A display device includes a first substrate including a first contact hole, a pad part disposed on the first substrate, the pad part overlapping the first contact hole, a second substrate disposed on the pad part and the first substrate, a display layer disposed on the second substrate, a flexible film disposed on a bottom surface of the first substrate, and a connecting film inserted in the first contact hole, the connecting film electrically connecting the pad part and the flexible film. An upper width of the first contact hole is greater than a lower width of the first contact hole.
    Type: Application
    Filed: December 9, 2021
    Publication date: September 15, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Seung Kyu LEE, Chang Hyeok CHOI, Yong Sik HWANG
  • Publication number: 20220157914
    Abstract: A display device is provided. The display device includes a substrate, a first electrode, a second electrode, and third electrode spaced apart from each other in a first direction on the substrate, a repair line spaced apart from the first to third electrodes in the first direction on the substrate, a repair connection portion connecting the third electrode and the repair line, and light emitting elements on respective ones of the first to third electrodes and spaced apart from each other.
    Type: Application
    Filed: September 16, 2021
    Publication date: May 19, 2022
    Inventors: Hoon KIM, Chang Hyeok CHOI, Yong Sik HWANG
  • Publication number: 20220093712
    Abstract: A display device includes: first and second display panels adjacent to each other along one direction, wherein: each of the first and second display panels includes a substrate, and a display portion on the substrate and includes a plurality of pixels including a pixel circuit layer on the substrate, at least one transistor, a display element layer on the pixel circuit layer, and at least one light emitting element emitting light; the substrate of the first display panel and the substrate of the second display panel are engaged with each other in a plan view and a cross-sectional view; the display portion of the first display panel and the display portion of the second display panel are engaged with each other in a plan view and a cross-sectional view; and a boundary between the display portion of the first display panel and the display portion of the second display panel.
    Type: Application
    Filed: August 2, 2021
    Publication date: March 24, 2022
    Inventors: Won Tae KIM, Chang Hyeok CHOI, Yong Sik HWANG, Jang Bog JU