Patents by Inventor Sung-Kook Park

Sung-Kook 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).

  • Publication number: 20230065016
    Abstract: A display includes a pixel electrode disposed on a substrate, a light emitting element disposed on the pixel electrode, a connection electrode disposed on a side surface of the light emitting element, and a common electrode disposed on the light emitting element. The light emitting element includes a first sub light emitting element, a second sub light emitting element disposed on the first sub light emitting element, and a third sub light emitting element disposed on the second sub light emitting element. The connection electrode is disposed on at least one side surface of the first sub light emitting element, the second sub light emitting element, and the third sub light emitting element.
    Type: Application
    Filed: May 24, 2022
    Publication date: March 2, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Jin Woo CHOI, Min Woo KIM, Sung Kook PARK, Sung Eun BAEK, Ki Seong SEO, Hyung Il JEON
  • Publication number: 20230069326
    Abstract: A display device includes pixels that are arranged in a display area in a first direction and a second direction and that include first electrodes separated from each other and light emitting elements electrically connected to the first electrodes; second electrodes that are arranged separately from each other in the first direction and are electrically connected to the light emitting elements of the pixels arranged in the second direction; a first pad part including a first pad electrically connected to the first electrodes; and a second pad part including second pads electrically connected to different second electrodes among the second electrodes.
    Type: Application
    Filed: June 1, 2022
    Publication date: March 2, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Sung Eun BAEK, Sung Kook PARK, Ki Seong SEO, Hyung Il JEON, Jin Woo CHOI
  • Publication number: 20230049635
    Abstract: A display device includes a substrate, a first light-emitting element, a second light-emitting element, and a third light-emitting element on the substrate, each of the first, second, and third light-emitting elements includes a first semiconductor layer, an active layer, a second semiconductor layer, and a third semiconductor layer, an opening formed in the second semiconductor layer and the third semiconductor layer of the third light-emitting element, and a wavelength conversion member located at the opening, wherein the first light-emitting element and the third light-emitting element are configured to emit first light, and the second light-emitting element is configured to emit second light, and the wavelength conversion member is configured to convert the first light from the third light-emitting element into third light.
    Type: Application
    Filed: May 27, 2022
    Publication date: February 16, 2023
    Inventors: Jin Woo CHOI, Min Woo KIM, Sung Kook PARK, Sung Eun BAEK
  • Publication number: 20230049315
    Abstract: A display device includes first pixel circuit unit, second pixel circuit unit, third pixel circuit unit, and fourth pixel circuit unit spaced from one another, first pixel electrode on the first pixel circuit unit, second pixel electrode on the second pixel circuit unit, third pixel electrode on the third pixel circuit unit, fourth pixel electrode on the fourth pixel circuit unit, first light-emitting element electrically connected to the first pixel electrode, the first light-emitting element configured to emit first light, second light-emitting element electrically connected to the second pixel electrode, the second light-emitting element configured to emit second light, and third light-emitting element electrically connected to the third pixel electrode, the third light-emitting element configured to emit third light. A length of the first light-emitting element in a first direction is greater than each of a length of the second and third light-emitting elements in the first direction.
    Type: Application
    Filed: May 27, 2022
    Publication date: February 16, 2023
    Inventors: Jin Woo CHOI, Sung Kook PARK, Sung Eun BAEK, Byeong Hwa CHOI
  • Publication number: 20230051074
    Abstract: A display device and a method of fabricating the same is provided. A display device includes first and second pixel circuit units spaced apart from each other, a first pixel electrode on the first pixel circuit unit, a second pixel electrode on the second pixel circuit unit, a first light-emitting element electrically connected to the first pixel electrode, and for emitting first light, a second light-emitting element electrically connected to the second pixel electrode, and for emitting second light, a first pixel connecting electrode between the first pixel electrode and the first light-emitting element, and a second pixel connecting electrode between the second pixel electrode and the second light-emitting element, wherein the first pixel electrode overlaps with the first light-emitting element, and wherein the second pixel electrode does not overlap with the second light-emitting element.
    Type: Application
    Filed: May 3, 2022
    Publication date: February 16, 2023
    Inventors: Sung Kook PARK, Min Woo KIM, Sung Eun BAEK, Jin Woo CHOI, Hae Yun CHOI
  • Publication number: 20230048385
    Abstract: A display device and method for fabrication thereof are provided. The display device includes a first substrate, pixel electrodes on the first substrate, light emitting elements respectively on the pixel electrodes, and including first semiconductor layers, second semiconductor layers, active layers respectively between the first semiconductor layers and the second semiconductor layers, a first light emitting element including a first active layer of the active layers, a second light emitting element including a second active layer of the active layers that is different from the first active layer, a third light emitting element including a third active layer of the active layers that is different from the first and second active layers, and a fourth light emitting element including a fourth active layer of the active layers that is different from the first to third active layers, and a common electrode layer on the light emitting elements.
    Type: Application
    Filed: May 16, 2022
    Publication date: February 16, 2023
    Inventors: Jin Woo CHOI, Min Woo KIM, Sung Kook PARK, Sung Eun BAEK, Hae Yun CHOI
  • Publication number: 20230048544
    Abstract: A display device includes a pixel electrode disposed on a substrate and including a reflective electrode layer and an upper electrode layer, a contact electrode disposed on the pixel electrode, light-emitting elements disposed on the contact electrode and disposed perpendicular to the pixel electrode, a planarization layer disposed on the pixel electrode, the planarization layer filling a space between the light-emitting elements, and a common electrode disposed on the planarization layer and the light-emitting elements, and a size of the contact electrode is equal to a size of each of the light-emitting elements in a plan view, and the upper electrode layer is disposed on the reflective electrode layer and is in a polycrystalline phase.
    Type: Application
    Filed: April 12, 2022
    Publication date: February 16, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Jin Woo CHOI, Sung Kook PARK, Sung Eun BAEK, Byung Choon YANG, So Yeon YOON
  • Publication number: 20230046443
    Abstract: A display device includes: a substrate; a partition wall on the substrate; a plurality of light emitting areas on the substrate, the light emitting areas including a first light emitting area, a second light emitting area, and a third light emitting area partitioned by the partition wall; a first light emitting element in the first light emitting area and configured to emit first light; a second light emitting element in the second light emitting area and configured to emit second light; and a third light emitting element in the third light emitting area and configured to emit third light. An area of the first light emitting area is larger than an area of the first light emitting element and is larger than an area of the second light emitting area and an area of the third light emitting area.
    Type: Application
    Filed: March 30, 2022
    Publication date: February 16, 2023
    Inventors: Hae Yun CHOI, Min Woo KIM, Sung Kook PARK
  • Publication number: 20230053037
    Abstract: A display device and method for fabrication thereof includes a plurality of pixel electrodes and common electrode connection parts that are spaced from each other on a first substrate, a plurality of light emitting elements on the plurality of pixel electrodes, a plurality of common electrode elements on the common electrode connection parts, and a common electrode layer on the plurality of light emitting elements and the plurality of common electrode elements, wherein each of the plurality of light emitting element includes a first semiconductor layer, a second semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer, each of the plurality of common electrode elements includes at least the second semiconductor layer, and the common electrode layer includes a same material as the second semiconductor layer to be connected to the second semiconductor layers of the plurality of light emitting elements.
    Type: Application
    Filed: May 19, 2022
    Publication date: February 16, 2023
    Inventors: Jin Woo CHOI, Sung Kook PARK, Sung Eun BAEK, Byeong Hwa CHOI
  • Publication number: 20230047445
    Abstract: A display device includes a partition wall on a substrate, a plurality of light emitting elements respectively located on a plurality of emission areas defined by the partition wall, the plurality of light emitting elements extend in a thickness direction of the substrate, a base resin located in the plurality of emission areas, and a plurality of optical patterns located on at least one of the plurality of emission areas, wherein the plurality of emission areas are arranged in a RGBG matrix pattern by the partition wall.
    Type: Application
    Filed: May 23, 2022
    Publication date: February 16, 2023
    Inventors: Hae Yun CHOI, Min Woo KIM, Sung Kook PARK
  • Publication number: 20230046091
    Abstract: A display device includes pixel electrodes disposed on a substrate, at least one light-emitting element disposed on each of the pixel electrodes, a planarization layer disposed on the pixel electrodes and filling a space between the at least one light-emitting element, and a common electrode disposed on the planarization layer and the at least one light-emitting element. Each of the light-emitting elements is arranged perpendicular to a top face of each of the pixel electrodes, at least one of the pixel electrodes includes a protrusion protruding toward an adjacent one of the pixel electrodes, and the protrusion overlaps the light-emitting element in a plan view.
    Type: Application
    Filed: April 12, 2022
    Publication date: February 16, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Jin Woo CHOI, Min Woo KIM, Sung Kook PARK, Sung Eun BAEK, So Yeon YOON
  • Publication number: 20230044786
    Abstract: A display device includes light-emitting elements arranged on a circuit board, and extending in a thickness direction of the circuit board, wherein the light-emitting elements include a first light-emitting element configured to emit a first light, and a second light-emitting element configured to emit a second light, wherein the first light-emitting element and the second light-emitting element are on different layers, and wherein a width of the first light-emitting element is greater than a width of the second light-emitting element.
    Type: Application
    Filed: July 26, 2022
    Publication date: February 9, 2023
    Inventors: Jin Woo CHOI, Min Woo KIM, Sung Kook PARK, Sung Eun BAEK
  • Publication number: 20230042855
    Abstract: A display device includes light-emitting elements arranged on a circuit substrate, extending in a thickness direction of the circuit substrate, and including a first light-emitting element configured to emit a first light, and a second light-emitting element configured to emit a second light, and having a width that is less than a width of the first light-emitting element, a common electrode layer above the light-emitting elements, and a connection electrode layer between the first light-emitting element and the common electrode layer.
    Type: Application
    Filed: May 23, 2022
    Publication date: February 9, 2023
    Inventors: Jin Woo CHOI, Sung Kook PARK, Sung Eun BAEK, Dae Ho SONG
  • Patent number: 11573654
    Abstract: A display device includes a display panel, a first force sensor, a first vibration generator, and a first electromagnetic wave shielding member. The first force sensor is disposed under the display panel. The first vibration generator is disposed under the display panel and adjacent to the first force sensor. The first electromagnetic wave shielding member surrounds side surfaces of the first vibration generator.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: February 7, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung Kook Park, Suk Kim, So Hee Park, Hee Seomoon, Tae Hee Lee, Won Ki Hong
  • Patent number: 11567601
    Abstract: A force sensor includes first and second substrates. The second substrate faces the first substrate. A driving electrode is disposed on a first surface of the first substrate facing the second substrate. A sensing electrode is disposed on the first surface of the first substrate and is spaced apart from the driving electrode. A force sensitive layer is disposed on a first surface of the second substrate, facing the first substrate. The driving electrode includes a main driving protrusion that protrudes from a side surface of the driving electrode, facing the sensing electrode.
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: January 31, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Won Ki Hong, Sung Kook Park, So Hee Park, Hee Seomoon, Young Seok Seo, Tae Hee Lee
  • Publication number: 20220359788
    Abstract: There is provided a display device comprising a substrate, a pixel electrode on the substrate, a light emitting element on the pixel electrode, and extending in a thickness direction of the substrate, a common electrode on the light emitting element, a wavelength conversion layer on the common electrode, including wavelength conversion particles for converting first light emitted from the light emitting element into second light, and a selective transmission film on an upper surface and on sides of the wavelength conversion layer, and configured to reflect the first light, and to transmit the second light.
    Type: Application
    Filed: December 15, 2021
    Publication date: November 10, 2022
    Inventors: Jin Woo CHOI, Sung Kook PARK, Dae Ho SONG, Tae Hee LEE, Hae Yun CHOI
  • Patent number: 11491837
    Abstract: A suspension arm includes a ball stud including a spherical ball; a bearing in which the ball is accommodated; a housing having an inner peripheral portion, an outer peripheral portion, and a lower end portion that connects a lower end of the inner peripheral portion and a lower end of the outer peripheral portion, and configured to accommodate the ball and the bearing in a state in which the ball and the bearing are spaced apart from the inner peripheral portion; an arm body coupled to a portion of the outer peripheral portion of the housing; and an insert molding part formed on an outer peripheral portion of the bearing, the inner peripheral portion of the housing, and the lower end portion of the housing to couple the bearing with the housing. A convex-concave portion is formed on the inner peripheral portion of the housing along a circumferential direction.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: November 8, 2022
    Assignee: ILJIN CO., LTD.
    Inventors: Hyun Woo Kim, Soon Chan Kwon, Sung Kook Park, Min Kook Park, Hyo Sang Hwang, Seung Hyun Nam, Se Hwan Kim, Mu Chang Kang
  • Publication number: 20220352246
    Abstract: A display device includes a first substrate, a plurality of light-emitting elements on the first substrate and spaced from each other, wherein each of the plurality of light-emitting elements extends in a thickness direction of the first substrate, a common electrode on the first substrate and the plurality of light-emitting elements, a first insulating layer on the common electrode and the plurality of light-emitting elements, and a first reflective layer on side surfaces of the plurality of light-emitting elements with the first insulating layer therebetween, wherein the common electrode is in contact with a portion of the side surface of each of the plurality of light-emitting elements.
    Type: Application
    Filed: February 11, 2022
    Publication date: November 3, 2022
    Inventors: Jin Woo CHOI, Min Woo KIM, Sung Kook PARK, Jin Taek PARK, Sung Eun BAEK, Dae Ho SONG, Hyung Il JEON
  • Publication number: 20220352420
    Abstract: A display device may include light emitting elements, a first electrode and a second electrode electrically connected to each of the light emitting elements, a pixel circuit electrically connected to at least one of the light emitting elements. The pixel circuit may be disposed in each of a plurality of pixel circuit areas that are disposed in a matrix form defined by a first direction and a second direction intersecting the first direction, a first contact portion and a second contact portion may be disposed in each of the plurality of pixel circuit areas, wherein the first contact portion electrically connects the pixel circuit and the first electrode, and the second contact portion electrically connects a common power line and the second electrode, and in a plan view, the first contact portion and the second contact portion may be alternately disposed along the first direction.
    Type: Application
    Filed: December 23, 2021
    Publication date: November 3, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Sung Kook PARK, Min Woo KIM, Ja Eun LEE, Jin Woo CHOI
  • Publication number: 20220352249
    Abstract: A display device includes: a base layer; and light-emitting elements on a first surface of the base layer. The base layer includes groove patterns that are recessed from a second surface of the base layer, and the groove patterns overlap with the light-emitting elements, respectively.
    Type: Application
    Filed: March 11, 2022
    Publication date: November 3, 2022
    Inventors: Sung Kook PARK, Dae Ho SONG, Min Woo KIM, Byung Choon YANG, So Yeon YOON, Hyung Il JEON, Joo Woan CHO, Jin Woo CHOI