Patents by Inventor Won Hyeong HEO

Won Hyeong HEO 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: 12272778
    Abstract: A display device may include a substrate including a display area and a non-display area; pixels disposed in the display area; first and second driving voltage lines disposed in the non-display area and spaced apart from each other; a first fan-out line disposed in the non-display area and electrically connected to the first driving voltage line; a second fan-out line disposed in the non-display area and electrically connected to the second driving voltage line; a first power line including at least two first sub-power lines branching off to a corresponding one of the pixels from the first fan-out line; and a second power line including at least two second sub-power lines branching off to a corresponding one of the pixels from the second fan-out line.
    Type: Grant
    Filed: May 24, 2022
    Date of Patent: April 8, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung Geun Bae, Jang Soon Park, Hyun Wook Lee, Da Sol Jeong, Won Hyeong Heo
  • Publication number: 20250105233
    Abstract: A display device and a method of fabricating a display device. The display device includes a substrate including an emission area and a subarea adjacent to the emission area, a bank disposed in the emission area of the substrate, a height difference compensation pattern disposed in the subarea of the substrate, a first electrode and a second electrode that are disposed on the bank, the first electrode and the second electrode being spaced apart from each other, and a light-emitting element disposed in the emission area, between the first electrode and the second electrode.
    Type: Application
    Filed: December 11, 2024
    Publication date: March 27, 2025
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jong Chan LEE, Jeong Hyun LEE, Hyun KIM, Jung Gun NAM, Jang Soon PARK, Jeong Su PARK, Sung Geun BAE, Myeong Hun SONG, Da Sol JEONG, Won Hyeong HEO
  • Patent number: 12218297
    Abstract: Provided is a display device comprising a substrate, a first active layer on the substrate and extending along a first direction, and a first conductive layer between the substrate and the first active layer, and including a first conductive pattern and a second conductive pattern spaced apart from each other in the first direction, wherein the first active layer conformally reflects a step difference of the first conductive layer, and includes a branched structure in a space between the first conductive pattern and the second conductive pattern.
    Type: Grant
    Filed: April 12, 2022
    Date of Patent: February 4, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jeong Hyun Lee, Jang Soon Park, Sung Geun Bae, Da Sol Jeong, Won Hyeong Heo
  • Patent number: 12219818
    Abstract: A display device includes a plurality of outer banks extending in a first direction and are spaced from one another in a second direction that intersects the first direction, first and second bank parts spaced from the plurality of outer banks in the second direction between the outer banks, and spaced from each other in the first direction, first and second inner banks extending in the first direction between the plurality of outer banks, the first and second inner banks being spaced from each other in the second direction, first and second electrodes on the first and second inner banks, respectively, and spaced from each other in the second direction, light-emitting elements having first end portions on one of the first and second electrodes, the light-emitting elements being arranged along the first direction, and a first insulating layer including a first pattern portion between the first and second inner banks.
    Type: Grant
    Filed: November 4, 2021
    Date of Patent: February 4, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung Geun Bae, Jang Soon Park, Jeong Hyun Lee, Jong Chan Lee, Da Sol Jeong, Won Hyeong Heo
  • Patent number: 12170272
    Abstract: A display device and a method of fabricating a display device. The display device includes a substrate including an emission area and a subarea adjacent to the emission area, a bank disposed in the emission area of the substrate, a height difference compensation pattern disposed in the subarea of the substrate, a first electrode and a second electrode that are disposed on the bank, the first electrode and the second electrode being spaced apart from each other, and a light-emitting element disposed in the emission area, between the first electrode and the second electrode.
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: December 17, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jong Chan Lee, Jeong Hyun Lee, Hyun Kim, Jung Gun Nam, Jang Soon Park, Jeong Su Park, Sung Geun Bae, Myeong Hun Song, Da Sol Jeong, Won Hyeong Heo
  • Publication number: 20230299239
    Abstract: A display device and method for fabrication thereof are provided. The display device includes a first electrode and a second electrode spaced apart from the first electrode in a second direction, light emitting elements disposed on the first electrode and the second electrode, a first insulating layer disposed on the light emitting elements, a first connection electrode disposed on the first electrode and electrically contacting each of the light emitting elements, and a second connection electrode disposed on the second electrode and electrically contacting each of the light emitting elements, and the first insulating layer includes a first portion and a second portion having a thickness larger than a thickness of the first portion of the first insulating layer.
    Type: Application
    Filed: January 10, 2023
    Publication date: September 21, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Sung Geun BAE, Jang Soon PARK, Hyun Wook LEE, Da Sol JEONG, Su Min CHOI, Won Hyeong HEO
  • Publication number: 20230044364
    Abstract: A display device may include a substrate including a display area and a non-display area; pixels disposed in the display area; first and second driving voltage lines disposed in the non-display area and spaced apart from each other; a first fan-out line disposed in the non-display area and electrically connected to the first driving voltage line; a second fan-out line disposed in the non-display area and electrically connected to the second driving voltage line; a first power line including at least two first sub-power lines branching off to a corresponding one of the pixels from the first fan-out line; and a second power line including at least two second sub-power lines branching off to a corresponding one of the pixels from the second fan-out line.
    Type: Application
    Filed: May 24, 2022
    Publication date: February 9, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Sung Geun BAE, Jang Soon PARK, Hyun Wook LEE, Da Sol JEONG, Won Hyeong HEO
  • Publication number: 20230030101
    Abstract: A display device includes a first electrode and a second electrode on a substrate spaced apart from each other, a first insulating layer on the first and second electrodes, wall patterns on the first insulating layer and overlapping the first electrode and the second electrode, a second insulating layer on the first insulating layer and overlapping the wall patterns, light-emitting elements directly on the second insulating layer and between the wall patterns, a bank layer on the first insulating layer and surrounding an area including the light-emitting elements, and a first connecting electrode on the first electrode electrically contacting the light-emitting elements, and a second connecting electrode on the second electrode electrically contacting the light-emitting elements, the first insulating layer includes an organic insulating material, and the second insulating layer includes an inorganic insulating material.
    Type: Application
    Filed: March 11, 2022
    Publication date: February 2, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Sung Geun Bae, Jang Soon Park, Hyun Wook Lee, Da Sol Jeong, Won Hyeong Heo
  • Publication number: 20230031785
    Abstract: A display device includes a transistor on a substrate, a via layer on the transistor, a first electrode and a second electrode on the via layer and arranged in parallel to each other, a first insulating layer on the first and second electrodes, a first bridge pattern on the first insulating layer and connected to the transistor, light-emitting elements having both end portions thereof on the first and second electrodes, a first connecting electrode connected to first end portions of the light-emitting elements, and a second connecting electrode connected to second end portions of the light-emitting elements, wherein the first connecting electrode is in contact with the first bridge pattern and is electrically connected to the transistor.
    Type: Application
    Filed: March 24, 2022
    Publication date: February 2, 2023
    Inventors: Sung Geun BAE, Jang Soon PARK, Jeong Hyun LEE, Da Sol JEONG, Won Hyeong HEO
  • Publication number: 20230016834
    Abstract: A display device includes a first electrode extending in a first direction, and a second electrode spaced from the first electrode in a second direction, a plurality of light emitting elements on the first electrode and the second electrode, a light emitting element of the plurality of light emitting elements comprising a first end on the first electrode and a second end on the second electrode, a first connection electrode extending in the first direction and on the first electrode, a second connection electrode extending in the first direction and on the second electrode, a third connection electrode on the first electrode and spaced from the first connection electrode in the first direction, and a fourth connection electrode on the second electrode and spaced from the second connection electrode in the second direction, wherein the plurality of light emitting elements comprises first light emitting elements and second light emitting elements.
    Type: Application
    Filed: May 18, 2022
    Publication date: January 19, 2023
    Inventors: Da Sol JEONG, Jang Soon PARK, Sung Geun BAE, Hyun Wook LEE, Won Hyeong HEO
  • Publication number: 20230005898
    Abstract: A pixel includes an emission area and a non-emission area; first to fourth alignment electrodes spaced apart from each other in the emission area and an area of the non-emission area; an insulating layer disposed on the first to fourth alignment electrodes; first to fourth bridge patterns disposed on the insulating layer in the non-emission area; a bank disposed on the first to fourth bridge patterns in the non-emission area, and including a first opening and a second opening; first and second pixel electrodes disposed in the emission area; and light emitting elements disposed in the emission area, and electrically connected with the first and second pixel electrodes. The first alignment electrode, the first bridge pattern, and the first pixel electrode are electrically connected to each other. The third alignment electrode, the third bridge pattern, and the second pixel electrode are electrically connected to each other.
    Type: Application
    Filed: May 25, 2022
    Publication date: January 5, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun Wook LEE, Young Woon KHO, Sung Geun BAE, Tae Hee LEE, Won Hyeong HEO
  • Publication number: 20220393084
    Abstract: Provided is a display device comprising a substrate, a first active layer on the substrate and extending along a first direction, and a first conductive layer between the substrate and the first active layer, and including a first conductive pattern and a second conductive pattern spaced apart from each other in the first direction, wherein the first active layer conformally reflects a step difference of the first conductive layer, and includes a branched structure in a space between the first conductive pattern and the second conductive pattern.
    Type: Application
    Filed: April 12, 2022
    Publication date: December 8, 2022
    Inventors: Jeong Hyun LEE, Jang Soon PARK, Sung Geun BAE, Da Sol JEONG, Won Hyeong HEO
  • Publication number: 20220367768
    Abstract: According to some embodiments of the present disclosure, a display device includes a substrate, a first electrode and a second electrode on the substrate, and spaced apart from each other, a light emitting element between the first electrode and the second electrode, a first bank pattern and a second bank pattern protruding in a display direction of the display device, a first contact electrode and a second contact electrode electrically connecting the light emitting element to the first electrode and the second electrode, respectively, the first contact electrode including a first contact light-transmitting layer, and a first reflective electrode including a first reflective layer, and a first light-transmitting layer including a same material as the first contact light-transmitting layer, at least a portion of the first reflective electrode being on the first bank pattern.
    Type: Application
    Filed: March 15, 2022
    Publication date: November 17, 2022
    Inventors: Sung Geun BAE, Jang Soon PARK, Jeong Hyun LEE, Hyun Wook LEE, Da Sol JEONG, Won Hyeong HEO
  • Publication number: 20220344540
    Abstract: A display device includes: a first light emitting element located between the first and second patterns; a first alignment electrode located on the first pattern, the first alignment electrode having a first inclined surface opposing the first light emitting element; a first connection electrode at a same layer as the first alignment electrode; and first and second electrodes electrically connected to respective end portions of the first light emitting element. Each of the first alignment electrode and the first connection electrode includes first and second electrode layers that are sequentially stacked. A contact hole exposing the first electrode layer of the first connection electrode is formed in the second electrode layer of the first connection electrode. The first electrode is in contact with the first electrode layer of the first connection electrode and a side surface of the second electrode layer of the first connection electrode through the contact hole.
    Type: Application
    Filed: November 10, 2021
    Publication date: October 27, 2022
    Inventors: Sung Geun BAE, Jang Soon PARK, Jeong Hyun LEE, Da Sol JEONG, Won Hyeong HEO
  • Publication number: 20220310881
    Abstract: A display device includes a transistor disposed in a pixel, a connection electrode electrically connected to the transistor, first electrodes electrically separated from the connection electrode, light emitting elements disposed between the first electrodes, and second electrodes disposed on the first electrodes and the light emitting elements. The second electrodes electrically connect the connection electrode and the light emitting elements.
    Type: Application
    Filed: January 13, 2022
    Publication date: September 29, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Sung Geun BAE, Da Sol JEONG, Jang Soon PARK, Jeong Hyun LEE, Won Hyeong HEO
  • Publication number: 20220271021
    Abstract: A display device and a method of fabricating a display device. The display device includes a substrate including an emission area and a subarea adjacent to the emission area, a bank disposed in the emission area of the substrate, a height difference compensation pattern disposed in the subarea of the substrate, a first electrode and a second electrode that are disposed on the bank, the first electrode and the second electrode being spaced apart from each other, and a light-emitting element disposed in the emission area, between the first electrode and the second electrode.
    Type: Application
    Filed: October 5, 2021
    Publication date: August 25, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Jong Chan LEE, Jeong Hyun LEE, Hyun KIM, Jung Gun NAM, Jang Soon PARK, Jeong Su PARK, Sung Geun BAE, Myeong Hun SONG, Da Sol JEONG, Won Hyeong HEO
  • Publication number: 20220190071
    Abstract: A display device includes a plurality of outer banks extending in a first direction and are spaced from one another in a second direction that intersects the first direction, first and second bank parts spaced from the plurality of outer banks in the second direction between the outer banks, and spaced from each other in the first direction, first and second inner banks extending in the first direction between the plurality of outer banks, the first and second inner banks being spaced from each other in the second direction, first and second electrodes on the first and second inner banks, respectively, and spaced from each other in the second direction, light-emitting elements having first end portions on one of the first and second electrodes, the light-emitting elements being arranged along the first direction, and a first insulating layer including a first pattern portion between the first and second inner banks.
    Type: Application
    Filed: November 4, 2021
    Publication date: June 16, 2022
    Inventors: Sung Geun BAE, Jang Soon PARK, Jeong Hyun LEE, Jong Chan LEE, Da Sol JEONG, Won Hyeong HEO