Patents by Inventor Hyunji CHA

Hyunji CHA 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: 12295243
    Abstract: A display device includes a display panel, a plurality of first pixels disposed in a first region of the display panel, a plurality of second pixels disposed in a second region of the display panel adjacent to the first region, and a plurality of dummy pixels disposed in a boundary region of the display panel between the first region and the second region. Intervals between the second pixels and the dummy pixels are uniform along the boundary region.
    Type: Grant
    Filed: January 12, 2024
    Date of Patent: May 6, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young-Soo Yoon, Yun-Kyeong In, Hyunji Cha
  • Patent number: 12289962
    Abstract: An electronic apparatus comprises a display panel and a component on a lower surface of the display panel. The display panel includes a first display area with first light-emitting diodes, a second display area with display element groups that include second light-emitting diodes, transmission areas in the second display area, a pixel-defining layer surrounding an emission area of each of the first and second light-emitting diodes, an upper insulating layer, and a thin-film encapsulation layer. The component overlaps the second display area in a plan view. In a boundary portion of the first and second display areas, the pixel-defining layer and the upper insulating layer form a staircase-shaped step, and the upper insulating layer includes at least one protrusion portion protruding towards the second display area from an edge of the upper insulating layer.
    Type: Grant
    Filed: June 9, 2022
    Date of Patent: April 29, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Junyoung Jo, Haeyeon Lee, Yunkyeong In, Hyunji Cha
  • Patent number: 12279496
    Abstract: A display device includes: a substrate including a transmission area and a display area surrounding the transmission area; a plurality of display elements in the display area; a plurality of first horizontal lines and a plurality of second horizontal lines each extending in a first direction and spaced apart from each other with the transmission area therebetween; a plurality of first vertical lines and a plurality of second vertical lines each extending in a second direction intersecting with the first direction and spaced apart from each other with the transmission area therebetween; and a first connection line connecting at least one of the plurality of first vertical lines to at least one of the plurality of second vertical lines and detouring around the transmission area, wherein the first connection line is on a same layer as at least one of the plurality of first horizontal lines.
    Type: Grant
    Filed: June 12, 2023
    Date of Patent: April 15, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyunji Cha, Donghyeon Jang, Jihyun Ka, Wonkyu Kwak, Sukyoung Kim, Seungwoo Sung, Hwayoung Song, Youngsoo Yoon, Dongeup Lee, Wonse Lee, Yunkyeong In, Yujin Jeon, Jintae Jeong
  • Patent number: 12250854
    Abstract: A display device includes a first scan line spaced apart from a signal transmission region and a second scan line having a portion that is adjacent to the signal transmission region. The second scan line adjacent to the signal transmission region bypasses the signal transmission region. A compensation signal line connects one end of the second scan line and the other end thereof, and results in a decrease in a combined resistance of the second scan line.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: March 11, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyunji Cha, Dong Eup Lee, Hyunji Kang, Young-Soo Yoon, Yun-Kyeong In
  • Patent number: 12245454
    Abstract: A display apparatus includes a first area including at least one opening, a second area disposed around the first area, and a third area disposed between the first area and the second area. The second area includes a plurality of display elements, and the third area includes a groove. The display apparatus further includes a thin film encapsulation layer covering the plurality of display elements and including an inorganic encapsulation layer and an organic encapsulation layer, a planarization layer disposed over the groove, a first insulating layer disposed over the thin film encapsulation layer, a second insulating layer disposed over the planarization layer, and a cover layer overlapping the first end of the planarization layer and partially overlapping the first insulating layer and the second insulating layer. A first end of the planarization layer overlaps the thin film encapsulation layer, and the second insulating layer includes a first through hole.
    Type: Grant
    Filed: August 16, 2022
    Date of Patent: March 4, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Minhee Choi, Wonkyu Kwak, Youngsoo Yoon, Yunkyeong In, Hyunji Cha
  • Patent number: 12225793
    Abstract: A display device includes: a plurality of main display elements in the main display area; a plurality of auxiliary display elements and a transmission area in the component area; a first pixel circuit in the component area and connected to a first auxiliary display element among the auxiliary display elements; a second pixel circuit in the component area and connected to a second auxiliary display element among the auxiliary display elements, the second pixel circuit neighboring the first pixel circuit in a column direction; and a first initialization voltage line in the component area, extending in a row direction, arranged between the first pixel circuit and the second pixel circuit, and connected to the first pixel circuit and the second pixel circuit, wherein the first pixel circuit and the second pixel circuit are symmetric with respect to the first initialization voltage line.
    Type: Grant
    Filed: May 1, 2023
    Date of Patent: February 11, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyunji Cha, Youngsoo Yoon, Yunkyeong In
  • Patent number: 12213345
    Abstract: A display apparatus includes a substrate including a component area and a main display area, the component area including sub display areas and transmission areas, main pixel electrodes disposed in the main display area and spaced apart from each other, sub pixel electrodes disposed in the sub display areas and spaced apart from each other, a pixel definition layer covering an edge of each of the main pixel electrodes and an edge of each of the sub pixel electrodes and including transmission holes in areas corresponding to the transmission areas, main spacers disposed on the pixel definition layer in the main display area, and sub spacers disposed on the pixel definition layer in the component area, wherein a number of the sub spacers per unit area is equal to a number of the main spacers per unit area in a plan view.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: January 28, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Junyoung Jo, Haeyeon Lee, Yunkyeong In, Hyunji Cha
  • Publication number: 20240349532
    Abstract: A display device includes an electronic panel, a window, an optical sheet, and a stress control member. The electronic panel includes a first non-bending area having a first area overlapping the optical sheet and a second area overlapping at least part of the recessed area, a bending area configured to be bent relative to the first non-bending area, and a second non-bending area extending from the bending area and movable to a position opposing the first non-bending area. The optical sheet is disposed between the electronic panel and the window and having a recessed area defined therein extending toward a center of the optical sheet. The stress control member overlaps with at least a portion of the second area, at least a portion of the bending area, and at least a portion of the second non-bending area, respectively.
    Type: Application
    Filed: June 23, 2024
    Publication date: October 17, 2024
    Inventors: Hyunji CHA, Wonkyu KWAK, Young-Soo YOON, Jae Yong LEE, Yun-Kyeong IN, Minhee CHOI
  • Publication number: 20240349557
    Abstract: A display panel includes a substrate including a first area and a second area that are spaced apart from each other in a first direction; a plurality of display elements located in a display area, the display area being adjacent to the first area and the second area; and a plurality of lines extending in a second direction that intersects the first direction, the plurality of lines being electrically respectively connected to the plurality of display elements, wherein the plurality of lines include: a first line and a second line adjacent to each other and bypassing along an edge of the first area; and a third line and a fourth line adjacent to each other and bypassing along an edge of the second area, wherein the first area and the second area are different from each other in at least one of size or shape.
    Type: Application
    Filed: June 24, 2024
    Publication date: October 17, 2024
    Inventors: Minhee Choi, Youngsoo Yoon, Yunkyeong In, Hyunji Cha
  • Patent number: 12048213
    Abstract: A display panel includes a substrate including a first area and a second area that are spaced apart from each other in a first direction; a plurality of display elements located in a display area, the display area being adjacent to the first area and the second area; and a plurality of lines extending in a second direction that intersects the first direction, the plurality of lines being electrically respectively connected to the plurality of display elements, wherein the plurality of lines include: a first line and a second line adjacent to each other and bypassing along an edge of the first area; and a third line and a fourth line adjacent to each other and bypassing along an edge of the second area, wherein the first area and the second area are different from each other in at least one of size or shape.
    Type: Grant
    Filed: March 13, 2023
    Date of Patent: July 23, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Minhee Choi, Youngsoo Yoon, Yunkyeong In, Hyunji Cha
  • Patent number: 12048193
    Abstract: A display device includes an electronic panel, a window, an optical sheet, and a stress control member. The electronic panel includes a first non-bending area having a first area overlapping the optical sheet and a second area overlapping at least part of the recessed area, a bending area configured to be bent relative to the first non-bending area, and a second non-bending area extending from the bending area and movable to a position opposing the first non-bending area. The optical sheet is disposed between the electronic panel and the window and having a recessed area defined therein extending toward a center of the optical sheet. The stress control member overlaps with at least a portion of the second area, at least a portion of the bending area, and at least a portion of the second non-bending area, respectively.
    Type: Grant
    Filed: May 17, 2023
    Date of Patent: July 23, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyunji Cha, Wonkyu Kwak, Young-Soo Yoon, Jae Yong Lee, Yun-Kyeong In, Minhee Choi
  • Publication number: 20240147823
    Abstract: A display device includes a display panel, a plurality of first pixels disposed in a first region of the display panel, a plurality of second pixels disposed in a second region of the display panel adjacent to the first region, and a plurality of dummy pixels disposed in a boundary region of the display panel between the first region and the second region. Intervals between the second pixels and the dummy pixels are uniform along the boundary region.
    Type: Application
    Filed: January 12, 2024
    Publication date: May 2, 2024
    Inventors: Young-Soo YOON, Yun-Kyeong IN, Hyunji CHA
  • Patent number: 11903278
    Abstract: A display panel includes: a substrate including a first area and a second area surrounding the first area; a first initialization voltage line extending in a first direction and electrically connected to the first display element; a second initialization voltage line extending in the first direction and electrically connected to the second display element; an auxiliary voltage line arranged on a layer different from layers on which the first initialization voltage line and the second initialization voltage line are arranged and electrically connecting the first initialization voltage line and the second initialization voltage line that are apart from each other; and a first insulating layer covering the first initialization voltage line, the second initialization voltage line, and the auxiliary voltage line and arranged below the plurality of display elements.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: February 13, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyunji Cha, Jihyun Ka, Sukyoung Kim, Hwayoung Song, Youngsoo Yoon, Dongeup Lee, Wonse Lee, Yunkyeong In, Donghyeon Jang, Yujin Jeon
  • Patent number: 11877496
    Abstract: A display device includes a display panel, a plurality of first pixels disposed in a first region of the display panel, a plurality of second pixels disposed in a second region of the display panel adjacent to the first region, and a plurality of dummy pixels disposed in a boundary region of the display panel between the first region and the second region. Intervals between the second pixels and the dummy pixels are uniform along the boundary region.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: January 16, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young-Soo Yoon, Yun-Kyeong In, Hyunji Cha
  • Publication number: 20230413628
    Abstract: A display device includes a substrate including a main display area, main display elements being in the main display area; a component area, auxiliary display elements and a transmission area being in the component area; and a peripheral area outside the main display area; an initialization voltage line in the main display area and extending in a first direction; a bottom metal layer in the component area between the substrate and the auxiliary display elements; and a bias line in the main display area and extending in the first direction, the bias line being connected to the bottom metal layer and being at a same layer as the initialization voltage line, wherein the bias line and the initialization voltage line are alternately arranged along a second direction crossing the first direction, in a first region of the main display area around the component area.
    Type: Application
    Filed: August 31, 2023
    Publication date: December 21, 2023
    Inventors: Youngsoo YOON, Hyunji KANG, Dongeup LEE, Yunkyeong IN, Hyunji CHA
  • Publication number: 20230397452
    Abstract: A display device includes a first substrate, an insulating layer, a plurality of display elements, a plurality of first spacers, and a second substrate. The first substrate includes a transmission area, a display area surrounding at least a portion of the transmission area, and a first non-display area located between the transmission area and the display area. The insulating layer is arranged on the first substrate in the display area and the first non-display area. The plurality of display elements are disposed on the insulating layer in the display area. The plurality of first spacers each has an island shape and are spaced apart from each other on the insulating layer in the first non-display area. The second substrate faces the first substrate.
    Type: Application
    Filed: August 14, 2023
    Publication date: December 7, 2023
    Inventors: WONSE LEE, YUNKYEONG IN, SUKYOUNG KIM, YOUNGSOO YOON, DONGHYEON JANG, YUJIN JEON, HYUNJI CHA
  • Publication number: 20230337495
    Abstract: A display apparatus includes a buffer layer on a substrate, a first hole penetrating the buffer layer and exposing a portion of the substrate, a display layer with display elements and bypass lines on the buffer layer, a second hole penetrating the display layer and connected to the first hole, and an encapsulation member covering the display elements and the bypass lines. The bypass lines are configured to extend along a portion of a perimeter of the second hole and are disposed between the second hole and the display elements. At least a portion of an upper surface of the buffer layer is exposed by the second hole.
    Type: Application
    Filed: June 27, 2023
    Publication date: October 19, 2023
    Inventors: DONGHYEON JANG, WONSE LEE, SUKYOUNG KIM, YOUNGSOO YOON, YUNKYEONG IN, YUJIN JEON, HYUNJI CHA
  • Patent number: 11782477
    Abstract: A display apparatus includes a substrate including a transmission area, a display area, and a first non-display area between the transmission area and the display area, a display layer including display elements and bypass lines, an encapsulation member that covers the display elements and the bypass lines, a metal layer on the encapsulation member, and including a first hole corresponding to the transmission area, and an optical functional section including a second hole corresponding to the transmission area, wherein a first perpendicular distance from a center line, which passes through a center of the transmission area and is perpendicular to an upper surface of the substrate, to an edge of the first hole may be less than a second perpendicular distance from the center line to an edge of the second hole.
    Type: Grant
    Filed: October 7, 2022
    Date of Patent: October 10, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yujin Jeon, Deokjung Kim, Sukyoung Kim, Iljoo Kim, Youngsoo Yoon, Wonse Lee, Yunkyeong In, Donghyeon Jang, Hyunji Cha, Wonjun Choi
  • Publication number: 20230320156
    Abstract: A display device includes: a substrate including a transmission area and a display area surrounding the transmission area; a plurality of display elements in the display area; a plurality of first horizontal lines and a plurality of second horizontal lines each extending in a first direction and spaced apart from each other with the transmission area therebetween; a plurality of first vertical lines and a plurality of second vertical lines each extending in a second direction intersecting with the first direction and spaced apart from each other with the transmission area therebetween; and a first connection line connecting at least one of the plurality of first vertical lines to at least one of the plurality of second vertical lines and detouring around the transmission area, wherein the first connection line is on a same layer as at least one of the plurality of first horizontal lines.
    Type: Application
    Filed: June 12, 2023
    Publication date: October 5, 2023
    Inventors: Hyunji CHA, Donghyeon JANG, Jihyun KA, Wonkyu KWAK, Sukyoung KIM, Seungwoo SUNG, Hwayoung SONG, Youngsoo YOON, Dongeup LEE, Wonse LEE, Yunkyeong IN, Yujin JEON, Jintae JEONG
  • Publication number: 20230292548
    Abstract: A display device includes an electronic panel, a window, an optical sheet, and a stress control member. The electronic panel includes a first non-bending area having a first area overlapping the optical sheet and a second area overlapping at least part of the recessed area, a bending area configured to be bent relative to the first non-bending area, and a second non-bending area extending from the bending area and movable to a position opposing the first non-bending area. The optical sheet is disposed between the electronic panel and the window and having a recessed area defined therein extending toward a center of the optical sheet. The stress control member overlaps with at least a portion of the second area, at least a portion of the bending area, and at least a portion of the second non-bending area, respectively.
    Type: Application
    Filed: May 17, 2023
    Publication date: September 14, 2023
    Inventors: Hyunji CHA, WONKYU KWAK, Young-Soo Yoon, Jae Yong Lee, Yun-Kyeong IN, MINHEE CHOI