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).

  • 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
  • Patent number: 11758764
    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: March 9, 2020
    Date of Patent: September 12, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyunji Cha, Wonkyu Kwak, Young-Soo Yoon, Jae Yong Lee, Yun-Kyeong In, Minhee Choi
  • Patent number: 11751448
    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: Grant
    Filed: March 30, 2021
    Date of Patent: September 5, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Youngsoo Yoon, Hyunji Kang, Dongeup Lee, Yunkyeong In, Hyunji Cha
  • Publication number: 20230269983
    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: Application
    Filed: May 1, 2023
    Publication date: August 24, 2023
    Inventors: Hyunji CHA, Youngsoo YOON, Yunkyeong IN
  • Publication number: 20230269961
    Abstract: A display apparatus includes a substrate, a display element, an inorganic insulating layer, a first inorganic encapsulation layer, a dam, a first wire, and a power supply line. The substrate includes a display region. The display element is arranged on the display region. The inorganic insulating layer is arranged between the substrate and the display element. The first inorganic encapsulation layer includes a contact region that directly contacts the inorganic insulating layer. The dam surrounds the display region and includes a dam section that is arranged between the display region and the contact region. The first wire crosses the dam and may transmit a first signal toward the display region. The power supply line crosses the dam, overlaps the first wire, and includes protrusions. The protrusions protrude from an edge of the power supply line and overlap the contact region.
    Type: Application
    Filed: November 7, 2022
    Publication date: August 24, 2023
    Inventors: Chulkyu Kang, Hyunchol Bang, Jintae Jeong, Sujin Kim, Seonkyoon Mok, Hyunji Cha
  • Patent number: 11730025
    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: Grant
    Filed: September 25, 2020
    Date of Patent: August 15, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Donghyeon Jang, Wonse Lee, Sukyoung Kim, Youngsoo Yoon, Yunkyeong In, Yujin Jeon, Hyunji Cha
  • Patent number: 11730010
    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: Grant
    Filed: September 2, 2020
    Date of Patent: August 15, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Wonse Lee, Yunkyeong In, Sukyoung Kim, Youngsoo Yoon, Donghyeon Jang, Yujin Jeon, Hyunji Cha
  • Publication number: 20230217754
    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: March 13, 2023
    Publication date: July 6, 2023
    Inventors: Minhee Choi, Youngsoo Yoon, Yunkyeong In, Hyunji Cha
  • Patent number: 11678532
    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: July 2, 2020
    Date of Patent: June 13, 2023
    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
  • Publication number: 20230180555
    Abstract: A display apparatus includes: a substrate; a first display element having a first emission area configured to emit light of a first color; first and second data lines between the substrate and the first display element, extending in a first direction, and overlapping at least a portion of the first emission area; and first and second auxiliary electrodes between the substrate and the first display element, overlapping at least a portion of the first emission area, and configured to receive a driving voltage, wherein a lengthwise direction of the first and second auxiliary electrodes is the first direction, and wherein the first and second data lines are between the first and second auxiliary electrodes spaced apart from each other in a second direction.
    Type: Application
    Filed: November 7, 2022
    Publication date: June 8, 2023
    Inventors: Hyunji Cha, Haeyeon Lee, Yunkyeong In, Junyoung Jo
  • Patent number: 11653535
    Abstract: A display panel includes a substrate including a transmissive area, a first non-display area surrounding the transmissive area, and a display area at least partially surrounding the first non-display area; display elements in the display area and each including a pixel electrode; scan lines in the display area, at least one of which extending through the first non-display area and detouring along an edge of the transmissive area; a connection line in the first non-display area and at least partially overlapping at least one of the scan lines, and on a first layer that is a same layer as the pixel electrode; a first line on a second layer different from the first layer; and a second line on a third layer different from the first layer and at an opposite side with respect to the first line.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: May 16, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yujin Jeon, Daesuk Kim, Sukyoung Kim, Seungwoo Sung, Wonse Lee, Hyunji Cha
  • Patent number: 11641769
    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: March 11, 2021
    Date of Patent: May 2, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyunji Cha, Youngsoo Yoon, Yunkyeong In