Patents by Inventor Nahyeon CHA

Nahyeon 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: 12080248
    Abstract: A display apparatus includes a display panel, a data driving circuit and a gate driving circuit. The display panel displays an image and includes a plurality of pixels. The data driving circuit applies a data voltage to a data line of the display panel. The gate driving circuit applies a gate output signal to a gate line of the display panel. The gate driving circuit is disposed between opening portions in a display area of the display panel. The gate driving circuit includes a normal stage column extending in a pixel column direction of the display panel and including a plurality of normal stages and a dummy stage column disposed adjacent to an end portion of the normal stage column in a pixel row direction and including a plurality of dummy stages.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: September 3, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong Hee Shin, Sunkwun Son, Nahyeon Cha, Donghyeon Ki
  • Publication number: 20240135870
    Abstract: Provided is a display apparatus in which an area of a dead space is significantly reduced, the display apparatus including a first scan line extending in a first direction, a second scan line spaced apart from the first scan line and extending in the first direction, a first pixel set disposed between the first scan line and the second scan line, the first pixel set including a 1-1st pixel including n sub-pixels and a 1-2nd pixel including n sub-pixels, and n first data lines spaced apart from each other, disposed between the 1-1st pixel and the 1-2nd pixel in a plan view, extending in a second direction crossing the first direction, and electrically connected to the 1-1st pixel and the 1-2nd pixel.
    Type: Application
    Filed: December 21, 2023
    Publication date: April 25, 2024
    Inventors: Donghee Shin, Donghyeon Ki, Sunkwun Son, Nahyeon Cha
  • Patent number: 11963418
    Abstract: A display device according to an embodiment may include a first sub-display panel and a second sub-display panel adjacent to the first sub-display panel in a first direction. The first sub-display panel may include a first pixel adjacent to the second sub-display panel and a first ground line disposed between the first pixel and the second sub-display panel and extending in a second direction crossing the first direction. The second sub-display panel may include a second pixel adjacent to the first sub-display panel and a second ground line disposed between the second pixel and the first sub-display panel and extending in the second direction.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: April 16, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sunkwun Son, Dong Hee Shin, Nahyeon Cha
  • Patent number: 11887534
    Abstract: Provided is a display apparatus in which an area of a dead space is significantly reduced, the display apparatus including a first scan line extending in a first direction, a second scan line spaced apart from the first scan line and extending in the first direction, a first pixel set disposed between the first scan line and the second scan line, the first pixel set including a 1-1st pixel including n sub-pixels and a 1-2nd pixel including n sub-pixels, and n first data lines spaced apart from each other, disposed between the 1-1st pixel and the 1-2nd pixel in a plan view, extending in a second direction crossing the first direction, and electrically connected to the 1-1st pixel and the 1-2nd pixel.
    Type: Grant
    Filed: May 7, 2021
    Date of Patent: January 30, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Donghee Shin, Donghyeon Ki, Sunkwun Son, Nahyeon Cha
  • Patent number: 11721255
    Abstract: A tiling display device includes a first display panel and a second display panel that is spaced apart from the first display panel by a horizontal tiling interval. The first display panel includes first to (n)-th pixel columns, and the second display panel includes first to (m)-th pixel columns. A first distance between the (n)-th pixel column of the first display panel and the first pixel column of the second display panel is less than a second distance between a (n?1)-th pixel column of the first display panel and the (n)-th pixel column of the first display panel.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: August 8, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sunkwun Son, Dong Hee Shin, Nahyeon Cha, Byoungsun Na, Joonhoo Choi
  • Patent number: 11683967
    Abstract: Provided is a tiled display device including a first sub-display panel on which a plurality of unit pixels is formed, and a second sub-display panel on which a plurality of unit pixels is formed, and located adjacent to the first sub-display panel, wherein each of the unit pixels includes a display element for emitting colored light, and a plurality of sub-pixels having a pixel circuit for driving the display element, and wherein an arrangement order of sub-pixels in the unit pixels corresponding to a current row, and an arrangement order of the sub-pixels in the unit pixels corresponding to a previous row or a next row, are different from each other.
    Type: Grant
    Filed: April 6, 2021
    Date of Patent: June 20, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Hee Shin, Sunkwun Son, Nahyeon Cha
  • Patent number: 11630632
    Abstract: A display device includes a tiled display structure including a first display panel, a second display panel adjacent to a first side of the first display panel, a third display panel adjacent to a second side of the first display panel, and a fourth display panel adjacent to a first side of the third display panel and a first side of the second display panel. Each of the first to fourth display panels includes a display area and a pad area, and each of the first to fourth display panels includes a plurality of pixels in the display area. Each of the pixels includes at least two sub-pixels. When viewed in a plan view of the tiled display structure, the at least two sub-pixels included in each of the pixels are repeatedly arranged in a row direction and a column direction on a plane of the tiled display structure.
    Type: Grant
    Filed: November 4, 2021
    Date of Patent: April 18, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Nahyeon Cha, Sunkwun Son, Dong Hee Shin
  • Publication number: 20220269466
    Abstract: A display device includes a tiled display structure including a first display panel, a second display panel adjacent to a first side of the first display panel, a third display panel adjacent to a second side of the first display panel, and a fourth display panel adjacent to a first side of the third display panel and a first side of the second display panel. Each of the first to fourth display panels includes a display area and a pad area, and each of the first to fourth display panels includes a plurality of pixels in the display area. Each of the pixels includes at least two sub-pixels. When viewed in a plan view of the tiled display structure, the at least two sub-pixels included in each of the pixels are repeatedly arranged in a row direction and a column direction on a plane of the tiled display structure.
    Type: Application
    Filed: November 4, 2021
    Publication date: August 25, 2022
    Inventors: NAHYEON CHA, SUNKWUN SON, DONG HEE SHIN
  • Publication number: 20220130328
    Abstract: Provided is a display apparatus in which an area of a dead space is significantly reduced, the display apparatus including a first scan line extending in a first direction, a second scan line spaced apart from the first scan line and extending in the first direction, a first pixel set disposed between the first scan line and the second scan line, the first pixel set including a 1-1st pixel including n sub-pixels and a 1-2nd pixel including n sub-pixels, and n first data lines spaced apart from each other, disposed between the 1-1st pixel and the 1-2nd pixel in a plan view, extending in a second direction crossing the first direction, and electrically connected to the 1-1st pixel and the 1-2nd pixel.
    Type: Application
    Filed: May 7, 2021
    Publication date: April 28, 2022
    Inventors: Donghee Shin, Donghyeon Ki, Sunkwun Son, Nahyeon Cha
  • Publication number: 20220084449
    Abstract: A tiling display device includes a first display panel and a second display panel that is spaced apart from the first display panel by a horizontal tiling interval. The first display panel includes first to (n)-th pixel columns, and the second display panel includes first to (m)-th pixel columns. A first distance between the (n)-th pixel column of the first display panel and the first pixel column of the second display panel is less than a second distance between a (n?1)-th pixel column of the first display panel and the (n)-th pixel column of the first display panel.
    Type: Application
    Filed: September 13, 2021
    Publication date: March 17, 2022
    Inventors: Sunkwun Son, Dong Hee Shin, Nahyeon Cha, Byoungsun Na, Joonhoo Choi
  • Publication number: 20220077277
    Abstract: Provided is a tiled display device including a first sub-display panel on which a plurality of unit pixels is formed, and a second sub-display panel on which a plurality of unit pixels is formed, and located adjacent to the first sub-display panel, wherein each of the unit pixels includes a display element for emitting colored light, and a plurality of sub-pixels having a pixel circuit for driving the display element, and wherein an arrangement order of sub-pixels in the unit pixels corresponding to a current row, and an arrangement order of the sub-pixels in the unit pixels corresponding to a previous row or a next row, are different from each other.
    Type: Application
    Filed: April 6, 2021
    Publication date: March 10, 2022
    Inventors: Dong Hee SHIN, Sunkwun SON, Nahyeon CHA
  • Publication number: 20220077278
    Abstract: A display device according to an embodiment may include a first sub-display panel and a second sub-display panel adjacent to the first sub-display panel in a first direction. The first sub-display panel may include a first pixel adjacent to the second sub-display panel and a first ground line disposed between the first pixel and the second sub-display panel and extending in a second direction crossing the first direction. The second sub-display panel may include a second pixel adjacent to the first sub-display panel and a second ground line disposed between the second pixel and the first sub-display panel and extending in the second direction.
    Type: Application
    Filed: April 15, 2021
    Publication date: March 10, 2022
    Inventors: SUNKWUN SON, DONG HEE SHIN, NAHYEON CHA
  • Publication number: 20220059038
    Abstract: A display apparatus includes a display panel, a data driving circuit and a gate driving circuit. The display panel displays an image and includes a plurality of pixels. The data driving circuit applies a data voltage to a data line of the display panel. The gate driving circuit applies a gate output signal to a gate line of the display panel. The gate driving circuit is disposed between opening portions in a display area of the display panel. The gate driving circuit includes a normal stage column extending in a pixel column direction of the display panel and including a plurality of normal stages and a dummy stage column disposed adjacent to an end portion of the normal stage column in a pixel row direction and including a plurality of dummy stages.
    Type: Application
    Filed: May 11, 2021
    Publication date: February 24, 2022
    Inventors: DONG HEE SHIN, SUNKWUN SON, NAHYEON CHA, DONGHYEON KI
  • Publication number: 20220059479
    Abstract: A display panel includes: a display substrate including a display area and a pad area spaced apart from a side of the display area in a first direction; and first to (n)th signal pads (where n is an integer of 2 or more) in the pad area on the display substrate, extending in the first direction, and spaced apart from each other in a second direction perpendicular to the first direction, wherein a (k)th signal pad among the first to (n)th signal pads (where k is an integer between 1 and n) is between the first signal pad and the (n)th signal pad, wherein a length of each of (k)th to (n)th signal pads among the first to (n)th signal pads along the first direction gradually increases, and wherein a width of each of the (k)th to (n)th signal pads along the second direction gradually decreases.
    Type: Application
    Filed: June 18, 2021
    Publication date: February 24, 2022
    Inventors: DONG HEE SHIN, SUNKWUN SON, NAHYEON CHA
  • Publication number: 20220045156
    Abstract: A display panel includes a first sub-display panel, a second sub-display panel adjacent to the first sub-display panel in a first direction, and a connection member electrically connecting the first sub-display panel to the second sub-display panel. The first sub-display panel includes a first pixel, a second pixel between and adjacent to the first pixel and the second sub-display panel, a first low power voltage line for transferring a power voltage to the first pixel, and a first gate line electrically connected to the first pixel and the second pixel, the second pixel receives the power voltage from the first low power voltage line, the second sub-display panel includes a third pixel adjacent to the first sub-display panel, and the third pixel is electrically connected to the first gate line.
    Type: Application
    Filed: April 28, 2021
    Publication date: February 10, 2022
    Inventors: DONG HEE SHIN, SUNKWUN SON, NAHYEON CHA
  • Publication number: 20210011321
    Abstract: A display device according to an embodiment of the present disclosure may include a first substrate, a second substrate, and a sealing member. The first substrate may include a first base layer, a first dam, a second dam, and an organic layer. A first pattern, which is recessed from a top surface of the organic layer, is defined in the top surface of the organic layer, and the first pattern is provided between the first dam and the second dam.
    Type: Application
    Filed: March 11, 2020
    Publication date: January 14, 2021
    Inventors: Hwanyoung JANG, Sunkwun SON, Nahyeon CHA
  • Patent number: 10324342
    Abstract: A display device includes: a display substrate including a display area and a non-display area adjacent to each other; and an opposing substrate opposing the display substrate. The display substrate includes: a pixel in the display area; a gate driver at the non-display area and including a gate and data wiring; an organic layer on the gate and data wiring; a column spacer on the organic layer; a connection portion connected to the gate and data wiring at contact holes respectively exposing the gate and data wiring; and a protective layer on the connection portion. In a top plan view, the protective layer has a same shape as a shape of the connection portion. The opposing substrate includes a black matrix at the display area to define a pixel area of the pixel and at the non-display area to define the display area and the non-display area.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: June 18, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyungho Kim, Seongyoung Lee, Nahyeon Cha
  • Patent number: 10073304
    Abstract: A display device includes: a lower substrate including a display area and a non-display area; an upper substrate facing the lower substrate; a sealing portion on the non-display area and between the lower substrate and the upper substrate; an optical transmittance layer between the lower substrate and the upper substrate, and surrounded by the sealing portion; a first light blocking portion on the display area of the lower substrate; and a second light blocking portion on the non-display area of the lower substrate. The second light blocking portion includes a base portion, a barrier wall protruding from the base portion and a protruding portion protruding from the barrier wall. A total height of the second light blocking portion at the base portion thereof is less than a total height of the second light blocking portion at the barrier wall and the protruding portion thereof.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: September 11, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyungho Kim, Nahyeon Cha
  • Publication number: 20180004022
    Abstract: A display device includes: a lower substrate including a display area and a non-display area; an upper substrate facing the lower substrate; a sealing portion on the non-display area and between the lower substrate and the upper substrate; an optical transmittance layer between the lower substrate and the upper substrate, and surrounded by the sealing portion; a first light blocking portion on the display area of the lower substrate; and a second light blocking portion on the non-display area of the lower substrate. The second light blocking portion includes a base portion, a barrier wall protruding from the base portion and a protruding portion protruding from the barrier wall. A total height of the second light blocking portion at the base portion thereof is less than a total height of the second light blocking portion at the barrier wall and the protruding portion thereof.
    Type: Application
    Filed: June 20, 2017
    Publication date: January 4, 2018
    Inventors: Kyungho KIM, Nahyeon CHA
  • Publication number: 20170357114
    Abstract: A display device includes: a display substrate including a display area and a non-display area adjacent to each other; and an opposing substrate opposing the display substrate. The display substrate includes: a pixel in the display area; a gate driver at the non-display area and including a gate and data wiring; an organic layer on the gate and data wiring; a column spacer on the organic layer; a connection portion connected to the gate and data wiring at contact holes respectively exposing the gate and data wiring; and a protective layer on the connection portion. In a top plan view, the protective layer has a same shape as a shape of the connection portion. The opposing substrate includes a black matrix at the display area to define a pixel area of the pixel and at the non-display area to define the display area and the non-display area.
    Type: Application
    Filed: May 11, 2017
    Publication date: December 14, 2017
    Inventors: Kyungho KIM, Seongyoung LEE, Nahyeon CHA