Patents by Inventor Ki-Nyeng Kang

Ki-Nyeng Kang 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: 20240153923
    Abstract: A display device includes a first pixel including a first emission area; a second pixel including a second emission area spaced apart from the first emission area in a second direction; and a bank defining a non-emission area between the first emission area and the second emission area. Each of the first pixel and the second pixel includes at least one dummy electrode spaced apart from each other in a first direction intersecting the second direction and extending in the second direction; light emitting elements disposed between the at least one dummy electrode in an emission area; a first pixel electrode electrically connected to a first driving power source and first ends of the light emitting elements; and a second pixel electrode electrically connected to a second driving power source and second ends of the light emitting elements.
    Type: Application
    Filed: June 5, 2023
    Publication date: May 9, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: Veidhes BASRUR, Guang Hai JIN, Ki Nyeng KANG
  • Publication number: 20240145643
    Abstract: A display device includes a substrate including a display area and a first surface and a second surface opposite each other; and pixels in the display area and including an emission area and a non-emission area, respectively. Each of the pixels may include: a pixel circuit layer including one or more transistors on the first surface of the substrate in the non-emission area, and a first insulating layer, a second insulating layer, a third insulating layer and a fourth insulating layers that are sequentially stacked on the first surface of the substrate and respectively include an opening exposing the first surface of the substrate in the emission area; an optical layer on the pixel circuit layer; and a light emitting element layer on the optical layer. The optical layer may fill the opening of each of the first to fourth insulating layers in at least the emission area.
    Type: Application
    Filed: October 25, 2023
    Publication date: May 2, 2024
    Inventors: Jin Taek KIM, Ki Nyeng KANG, Veidhes BASRUR, Ock Soo SON, Yong Tae CHO
  • Publication number: 20240136488
    Abstract: A pixel may include: an emission area and a non-emission area; a first bank in the non-emission area, the first bank including an opening corresponding to the emission area; a first electrode, a second electrode, and an intermediate electrode that are spaced from each other; light emitting elements in the emission area, each of the light emitting elements including one end portion electrically connected to one of the first electrode, the second electrode, or the intermediate electrode and an other end portion electrically connected to another one of the first electrode, the second electrode, or the intermediate electrode; and a sub-bank located in the opening of the first bank, the sub-bank being spaced from the first bank. The intermediate electrode may be around at least a portion of the sub-bank.
    Type: Application
    Filed: October 16, 2023
    Publication date: April 25, 2024
    Inventors: Jin Taek KIM, Veidhes BASRUR, Ki Nyeng KANG, Ock Soo SON, Yong Tae CHO, Jong Hwan CHA
  • Publication number: 20240120346
    Abstract: A display device includes a display area, a non-display area, a pixel circuit including a thin film transistor, a gate driver in the non-display area for supplying a gate signal to the pixel circuit, a via layer above the pixel circuit and the gate driver, first and second electrodes above the via layer in the display area, and extending substantially in parallel with each other, a light-emitting element between the first electrode and the second electrode, a first contact electrode connected to one end of the light-emitting element, and a protective metal layer overlapping the gate driver, and including a first layer at a same layer as the first electrode and the second electrode, the first layer defining first holes, and a second layer at a same layer as the first contact electrode, at least partially filling the first holes, and contacting an upper surface of the via layer.
    Type: Application
    Filed: August 25, 2023
    Publication date: April 11, 2024
    Inventors: Jong Hwan PARK, Ki Nyeng KANG, Jong Hwan CHA
  • Publication number: 20240113085
    Abstract: A display device includes electrodes in an emission area of a pixel, and spaced apart from each other, light-emitting elements respectively between the electrodes, connection electrodes above the light-emitting elements, and including a first electrode portion, a second electrode portion, and a connection portion between the first electrode portion and the second electrode portion, and a shielding electrode in a non-emission area of the pixel, and overlapping the connection portion.
    Type: Application
    Filed: September 27, 2023
    Publication date: April 4, 2024
    Inventors: Jin Taek KIM, Ock Soo SON, Veidhes BASRUR, Ki Nyeng KANG, Yong Tae CHO
  • Publication number: 20240096903
    Abstract: A display device includes electrodes spaced apart from each other in a display area, an insulating layer disposed on the electrodes, light emitting elements disposed between the electrodes on the insulating layer, a signal line electrically connected to the light emitting elements, and a pad electrode electrically connected to the signal line, the pad electrode and the electrodes being disposed on a same layer in a non-display area. The insulating layer includes an opening exposing the pad electrode, and the signal line does not overlap the opening of the insulating layer in plan view.
    Type: Application
    Filed: May 15, 2023
    Publication date: March 21, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Veidhes BASRUR, Jin Taek KIM, Ki Nyeng KANG, Yong Tae CHO
  • Publication number: 20240096286
    Abstract: A method of manufacturing a semiconductor device includes designing a semiconductor device layout using a design rule manual (DRM), in which design rules are recorded, and performing failure evaluation of a failure including at least one gate structure failure of a semiconductor device manufactured using the designed semiconductor device layout. The method further includes updating the DRM by updating the design rules recorded in the DRM, based on a result of the failure evaluation, redesigning the semiconductor device layout using the updated DRM, and manufacturing the semiconductor device using the redesigned semiconductor device layout.
    Type: Application
    Filed: June 21, 2023
    Publication date: March 21, 2024
    Inventors: KI NYENG KANG, GUANGHAI JIN, SUNKWANG KIM
  • Publication number: 20240088340
    Abstract: A display device includes a substrate including a display area and a pad area, a circuit element layer on the substrate, and an alignment electrode layer on the circuit element layer, wherein the circuit element layer includes a thin film transistor in the display area, and a pad electrode in the pad area, the alignment electrode layer includes a first alignment electrode and a second alignment electrode spaced from each other in the display area, and a pad upper electrode includes a first opening exposing the pad electrode in the pad area, and a light emitting element is on a space between the first alignment electrode and the second alignment electrode that are spaced from each other.
    Type: Application
    Filed: August 29, 2023
    Publication date: March 14, 2024
    Inventors: Yong Tae CHO, Ki Nyeng KANG, Veidhes BASRUR, Jin Taek KIM, Ock Soo SON
  • Publication number: 20240071311
    Abstract: A display device includes: a substrate; a plurality of voltage lines extending parallel to each other on the substrate; and a voltage supplier connected to one side end of a plurality of voltage lines and configured to transmit a voltage to a plurality of voltage lines, wherein a density of the plurality of voltage lines decreases farther away from the voltage supplier.
    Type: Application
    Filed: April 28, 2023
    Publication date: February 29, 2024
    Inventors: Ki Nyeng KANG, Guang Hai JIN, Sun Kwang KIM
  • Publication number: 20240062709
    Abstract: A display panel includes a base layer, a circuit layer disposed on the base layer and including a first driving circuit, a second driving circuit, and a plurality of pixel circuits, and a light emitting element layer disposed on the circuit layer and including a plurality of light emitting elements, each of the plurality of light emitting elements electrically connected to corresponding one of the plurality of pixel circuits. In a first direction, each of the first driving circuit and the second driving circuit is disposed between the plurality of pixel circuits.
    Type: Application
    Filed: June 7, 2023
    Publication date: February 22, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: KI NYENG KANG, GUANGHAI JIN, SUNKWANG KIM
  • Publication number: 20240038937
    Abstract: A display device including a substrate, a first electrode and a second electrode on the substrate, extending parallel to each other along a first direction, and spaced from each other in a second direction intersecting the first direction, a plurality of light emitting elements on the first electrode and the second electrode, a first insulating layer partially covering upper surfaces of the light emitting elements, a first connection electrode on the plurality of light emitting elements and the first insulating layer, the first connection electrode being in contact with an end of each of the plurality of light emitting elements, a second insulating layer on the first connection electrode, a second connection electrode on the second insulating layer, the second connection electrode being in contact with an other end of each of the plurality of light emitting elements, and a first dummy electrode overlapping the first connection electrode.
    Type: Application
    Filed: June 22, 2023
    Publication date: February 1, 2024
    Inventors: Veidhes BASRUR, Ki Nyeng KANG, Ock Soo SON, Jong Hwan CHA
  • Patent number: 11887547
    Abstract: A display device including a substrate including a display area and a non-display area, a plurality of signal lines disposed in the display area and extending along a first direction and from the non-display area to the display area, a connection line extending from the non-display area and electrically connected to a respective signal line of the plurality of signal lines in the non-display area, and an initialization voltage line extending in a second direction intersecting the first direction, wherein the connection line overlaps the initialization voltage line in a thickness direction of the display device.
    Type: Grant
    Filed: February 4, 2022
    Date of Patent: January 30, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Hwan Cho, Ki Nyeng Kang, Sang Hoon Lee, Sun Ho Kim, Tae Woo Kim, Tae Hoon Yang, Jong Hyun Choi
  • Publication number: 20240032378
    Abstract: A display device including: a display panel including a display region and a non-display region; and an input sensing unit on the display panel and including an active region and a peripheral region, the display panel includes: a base layer; a circuit element layer on the base layer and including a plurality of insulating layers and a voltage line on any of the insulating layers; and a display element layer including a pixel defining film and a light-emitting element, the light-emitting element includes: a first electrode; a second electrode opposite to the first electrode; and an organic layer between the first and second electrodes, the organic layer includes: a first portion overlapping the display region; and a second portion overlapping the non-display region, a first opening is formed in the second portion, and the second electrode and the voltage line are electrically connected to each other through the first opening.
    Type: Application
    Filed: May 11, 2023
    Publication date: January 25, 2024
    Inventors: KI NYENG KANG, Guanghai Jin, Sunkwang Kim
  • Publication number: 20230393534
    Abstract: A display device includes a substrate having a through-hole. The display device also includes a display unit formed on the substrate and surrounding the through-hole, and the display unit is configured to display an image and includes pixels.
    Type: Application
    Filed: August 17, 2023
    Publication date: December 7, 2023
    Inventors: KI NYENG KANG, KEUM NAM KIM, JONG HYUN CHOI
  • Publication number: 20230397327
    Abstract: A display device includes: a display panel including a bending area; and a first passivation film and a second passivation film disposed on a first surface of the display panel to be spaced apart from each other. The second passivation film includes a first flat portion and a first stepped portion overlapping the bending area, and a thickness of the first stepped portion is less than a thickness of the first flat portion.
    Type: Application
    Filed: August 21, 2023
    Publication date: December 7, 2023
    Inventors: Seung Min SONG, Ki Nyeng KANG, Seon Beom JI, Tae Hoon YANG
  • Publication number: 20230389368
    Abstract: A display device includes: a substrate including a first portion, a second portion, and a folding portion between the first and second portions; a plurality of transistors on the substrate, and located on at least the first and second portions; a plurality of inorganic insulating layers extending on the first and second portions to cover a semiconductor layer and a gate of the transistors; a plurality of light-emitting devices connected to the transistors; and a connection line on the folding portion. The inorganic insulating layers are not located on at least a part of the folding portion.
    Type: Application
    Filed: January 24, 2023
    Publication date: November 30, 2023
    Inventors: KI NYENG KANG, GUANGHAI JIN, SUNKWANG KIM
  • Publication number: 20230354665
    Abstract: A display device includes a substrate, a first lower line that is disposed on the substrate, extends in a first direction and applies a first voltage to a light emitting element, a first upper line that is disposed on the first lower line, extends in a second direction perpendicular to the first direction, applies a second voltage having different from the first voltage, and crosses the first lower line, and a first floating electrode disposed between the first lower line and the first upper line, including a crossing portion overlapping the first lower line and the first upper line, a first portion extending from the crossing portion in the second direction, and a second portion extending from the crossing portion in the first direction. A length of the first portion in the second direction is longer than a length of the second portion in the first direction.
    Type: Application
    Filed: March 30, 2023
    Publication date: November 2, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: SUNKWANG KIM, GUANGHAI JIN, KI NYENG KANG
  • Publication number: 20230352644
    Abstract: A includes a substrate, a first electrode and a second electrode on the substrate and spaced from each other, a light emitting element between the first electrode and the second electrode, an insulating pattern on the light emitting element, a first contact electrode on one side of the insulating pattern and contacting the first electrode and one end of the light emitting element, and a second contact electrode on another side of the insulating pattern and contacting the second electrode and an other end of the light emitting element, and a surface of the insulating pattern includes a concave-convex pattern.
    Type: Application
    Filed: June 23, 2020
    Publication date: November 2, 2023
    Inventors: Sang Hoon LEE, Ki Nyeng KANG
  • Publication number: 20230343913
    Abstract: A display device includes a first pixel, a second pixel, and a third pixel, each disposed on a substrate and including a pixel circuit, a first metal line disposed at a first metal layer on the substrate, extending in a first direction on a first side of the pixel circuits of the first to third pixels, and electrically connected to at least one of the pixel circuits of the first to third pixels, a second metal line disposed at a second metal layer on the first metal layer, extending in the first direction on a first side of the first metal line, and electrically connected to at least one of the pixel circuits of the first to third pixels, and a third metal line disposed at the first metal layer, extending in the first direction on a first side of the second metal line, and electrically connected to at least one of the pixel circuits of the first to third pixels. Each of the first to third metal lines supplies a voltage to at least one of the pixel circuits of the first to third pixels.
    Type: Application
    Filed: January 5, 2023
    Publication date: October 26, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Jong Hwan CHA, Kwang Taek HONG, Ki Nyeng KANG, Hong Joon MOON
  • Patent number: RE49714
    Abstract: An organic light emitting display capable of substantially preventing IR drop of a power source wiring line and coupling of data lines is disclosed. In one aspect, the organic light emitting display includes pairs of data lines between adjacent sub-pixels. The data lines are arranged to run parallel with a coupling blocking wiring line provided between each pair.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: October 24, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki-Nyeng Kang, Na-Young Kim