Patents by Inventor Sung Chul Choi

Sung Chul Choi 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: 20250251755
    Abstract: A display device includes a display panel with a support plate having a plurality of first and second fibers extending in different directions to facilitate folding.
    Type: Application
    Filed: April 23, 2025
    Publication date: August 7, 2025
    Inventors: JAIKU SHIN, SUNG CHUL CHOI, SOJEONG LA, JIN YONG SIM, GYEONGHO JEONG
  • Patent number: 12346167
    Abstract: A display device including a display panel including a folding area and a non-folding area adjacent along a first direction, a support layer facing the display panel with a barrier layer therebetween, openings defined in the support layer and corresponding to the folding area, a cushion layer facing the display panel with the support layer therebetween, and a barrier adhesive layer between the barrier layer and the support layer, the barrier adhesive layer including a first barrier portion and a second barrier portion spaced apart from each other along the first direction with the plurality of openings of the support layer therebetween.
    Type: Grant
    Filed: September 20, 2023
    Date of Patent: July 1, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jaiku Shin, Dongjin Park, Dongwoo Seo, Sung Chul Choi, Sojeong La, Jihye Shin, Seokchan Lee
  • Patent number: 12343978
    Abstract: An electronic device includes an upper member, a first adhesive layer, and a second adhesive layer. The upper member includes a window having a rear surface opposite to a front surface, a protective layer on the front surface of the window, and an impact absorbing layer on the rear surface of the window. The display panel is below the upper member, and the first adhesive layer is between the window and the protective layer. The second adhesive layer is between the window and the impact absorbing layer. An edge of the front surface of the window is exposed by the first adhesive layer, and an edge of the second adhesive layer is exposed by the window.
    Type: Grant
    Filed: April 26, 2021
    Date of Patent: July 1, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dongjin Park, Dongwoo Seo, Jaiku Shin, Sung Chul Choi
  • Publication number: 20250185182
    Abstract: A display device includes: a display module; a support plate below the display module, and including a first support plate, a second support plate, and a folding portion between the first and second support plates; a digitizer below the support plate; and a shielding layer in contact with a lower surface of the digitizer, and having: a first opening adjacent to the first support plate and overlapping with the folding portion; and a second opening adjacent to the second support plate and overlapping with the folding portion.
    Type: Application
    Filed: November 20, 2024
    Publication date: June 5, 2025
    Inventors: SOJEONG LA, JAIKU SHIN, Jihye SHIN, GYEONGHO JEONG, SUNG CHUL CHOI
  • Publication number: 20250166529
    Abstract: Provided is a display device including a display panel including a first non-folding region, a folding region, and a second non-folding region arranged in a first direction, and a supporting plate below the display panel, and including a portion overlapping the folding region, and defining openings arranged in the first direction and in a second direction crossing the first direction, and a first branch part between adjacent ones of the openings adjacent in the second direction, and having a varying width in the first direction, or a varying thickness in a third direction crossing a plane defined by the first direction and the second direction.
    Type: Application
    Filed: July 18, 2024
    Publication date: May 22, 2025
    Inventors: MANSIK MYUNG, SUNGJUNE PARK, JIN YONG SIM, SUNG CHUL CHOI
  • Publication number: 20250155922
    Abstract: A display device may include a window module and a display module including a first non-folding region, a second non-folding region, and a folding region disposed between the first non-folding region and the second non-folding region. The display module may include a damping layer, a color filter layer, a display panel, and a lower member, which are sequentially stacked below the window module, and the damping layer may include polymer.
    Type: Application
    Filed: January 14, 2025
    Publication date: May 15, 2025
    Applicant: Samsung Display Co., Ltd.
    Inventors: SOJEONG LA, DONGJIN PARK, JAIKU SHIN, Jongmin YANG, GYEONGHO JEONG, SUNG CHUL CHOI
  • Patent number: 12299224
    Abstract: A display device includes a panel part including a bending area, a digitizer disposed under the panel part, a first magnetic member disposed under the digitizer, and a second magnetic member disposed under the first magnetic member. The first magnetic member includes a first portion and a second portion, which are spaced apart from each other by a dividing area at least partially overlapping the bending area. The second magnetic member at least partially overlaps the dividing area.
    Type: Grant
    Filed: May 5, 2023
    Date of Patent: May 13, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jaiku Shin, Sojeong La, Sung Chul Choi
  • Patent number: 12298805
    Abstract: A display device includes a display panel with a support plate having a plurality of first and second fibers extending in different directions to facilitate folding.
    Type: Grant
    Filed: January 2, 2024
    Date of Patent: May 13, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jaiku Shin, Sung Chul Choi, Sojeong La, Jin Yong Sim, Gyeongho Jeong
  • Publication number: 20250107321
    Abstract: Disclosed is an electronic device including a window, a display panel disposed under the window, a support member disposed under the display panel, a cover layer disposed under the support member, and an adhesive layer disposed between the support member and the cover layer. Each of the adhesive layer and the cover layer includes a light shielding material.
    Type: Application
    Filed: December 9, 2024
    Publication date: March 27, 2025
    Applicant: Samsung Display Co., Ltd.
    Inventors: JIN YONG SIM, HOSEUNG KANG, MINSEOP KIM, YOUNG DO KIM, HEEYOUNG LEE, SEOHYEON CHOI, SUNG CHUL CHOI
  • Publication number: 20250081724
    Abstract: A display device includes a display module including a first non-folding area, a second non-folding area, and a folding area disposed between the first and second non-folding areas which are arranged in a first direction, a first support disposed below the first non-folding area, a second support disposed below the second non-folding area, and a hinge including a biaxial rotation shaft disposed between the first support and the second support, the biaxial rotation shaft extending in a second direction intersecting the first direction. The folding area has a curvature radius in a range of about 1.5 mm to about 5.0 mm when the display module is folded by a rotation of the first support and the second support with respect to the biaxial rotation shaft.
    Type: Application
    Filed: November 14, 2024
    Publication date: March 6, 2025
    Applicant: Samsung Display Co., Ltd.
    Inventors: JIN YONG SIM, SUNG CHUL CHOI, IN SOO PARK, DONGWOO SEO
  • Publication number: 20250063112
    Abstract: An electronic apparatus including: a display panel, which includes first and second non-folding areas arranged in a first direction and a folding area disposed between the first and second non-folding areas, wherein the display panel is folded along a folding axis extending in a second direction crossing the first direction, the display panel further including pixels; a lower member disposed below the display panel, wherein the lower member includes a lower opening overlapping the folding area; and a sensing sensor including a first sensing adhesive layer disposed between the display panel and the lower member and adjacent to the display panel, a second sensing adhesive layer in contact with the lower member, and a digitizer disposed between the first sensing adhesive layer and the second sensing adhesive layer and including a plurality of coils, wherein the second sensing adhesive layer has a sensing opening that overlaps the folding area.
    Type: Application
    Filed: November 5, 2024
    Publication date: February 20, 2025
    Inventors: JAIKU SHIN, SOJEONG LA, SUNG-KI JUNG, SUNG CHUL CHOI, HYUN-BEEN HWANG
  • Patent number: 12232304
    Abstract: A display device includes a display panel, a first support member, a second support member, a first heat dissipation member, and a first coating film. The display panel has a foldable area. The first support member is disposed on a lower surface of the display panel and includes a stretchable portion overlapping the foldable area. The second support member is disposed on a lower surface of the first support member and includes a first support plate and a second support plate spaced apart from each other. The first heat dissipation member is disposed between the first support member and the second support member and includes a first heat dissipation layer and a second heat dissipation layer spaced apart from each other. The first coating film is disposed between the first support member and the first heat dissipation member and includes carbon nanotube.
    Type: Grant
    Filed: May 24, 2023
    Date of Patent: February 18, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jaiku Shin, Jeongil Yoo, Sung Chul Choi
  • Patent number: 12222755
    Abstract: A display device may include a window module and a display module including a first non-folding region, a second non-folding region, and a folding region disposed between the first non-folding region and the second non-folding region. The display module may include a damping layer, a color filter layer, a display panel, and a lower member, which are sequentially stacked below the window module, and the damping layer may include polymer.
    Type: Grant
    Filed: November 20, 2023
    Date of Patent: February 11, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sojeong La, Dongjin Park, Jaiku Shin, Jongmin Yang, Gyeongho Jeong, Sung Chul Choi
  • Publication number: 20250048546
    Abstract: An electronic device includes a window, a display panel disposed under the window, a cushion member disposed under the display panel, and a first electronic module disposed under the window and inserted into a first hole defined in the display panel and the cushion member. The first hole includes a first hole portion defined in the display panel, and a second hole portion defined in the cushion member. The second hole portion has a width greater than a width of the first hole portion.
    Type: Application
    Filed: October 18, 2024
    Publication date: February 6, 2025
    Inventors: JAIKU SHIN, DONGJIN PARK, DONGWOO SEO, SUNG CHUL CHOI
  • Patent number: 12210384
    Abstract: A display device includes a display panel; a first digitizer layer disposed on the display panel; a second digitizer layer disposed on the display panel and separated from the first digitizer layer; a first plate member disposed on the first digitizer layer; and a second plate member disposed on the second digitizer layer, wherein each of the first plate member and the second plate member includes a plurality of plate portions and one or more hinge portions configured to rotatably connect the plurality of plate portions to each other.
    Type: Grant
    Filed: July 5, 2023
    Date of Patent: January 28, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong Woo Seo, So Jeong La, Dong Jin Park, Jai Ku Shin, Seok Chan Lee, Sung Chul Choi, Ji Hye Shin
  • Publication number: 20250031320
    Abstract: A display device includes: a display panel including first and second surfaces, which are opposite to each other, an elastic member disposed on the first surface, a first rigid member disposed on the elastic member, and a panel support member disposed on the second surface, wherein the first rigid member includes at least one of polyethylene terephthalate (PET), polyimide, and ultra-thin glass (UTG), and the elastic member includes at least one of a dilatant, polyether block amide (PEBA), and thermoplastic polyurethane (TPU).
    Type: Application
    Filed: February 17, 2024
    Publication date: January 23, 2025
    Inventors: Ju Yeop SEONG, Jong Hyuck KIM, Man Sik MYUNG, Sung June PARK, Hee Kwon LEE, Jae Soo JANG, Jae Won JEONG, Sung Chul CHOI
  • Patent number: 12167622
    Abstract: Disclosed is an electronic device including a window, a display panel disposed under the window, a support member disposed under the display panel, a cover layer disposed under the support member, and an adhesive layer disposed between the support member and the cover layer. Each of the adhesive layer and the cover layer includes a light shielding material.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: December 10, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Yong Sim, Hoseung Kang, Minseop Kim, Young Do Kim, Heeyoung Lee, Seohyeon Choi, Sung Chul Choi
  • Patent number: 12166912
    Abstract: An electronic apparatus including: a display panel, which includes first and second non-folding areas arranged in a first direction and a folding area disposed between the first and second non-folding areas, wherein the display panel is folded along a folding axis extending in a second direction crossing the first direction, the display panel further including pixels; a lower member disposed below the display panel, wherein the lower member includes a lower opening overlapping the folding area; and a sensing sensor including a first sensing adhesive layer disposed between the display panel and the lower member and adjacent to the display panel, a second sensing adhesive layer in contact with the lower member, and a digitizer disposed between the first sensing adhesive layer and the second sensing adhesive layer and including a plurality of coils, wherein the second sensing adhesive layer has a sensing opening that overlaps the folding area.
    Type: Grant
    Filed: July 20, 2021
    Date of Patent: December 10, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jaiku Shin, Sojeong La, Sung-Ki Jung, Sung Chul Choi, Hyun-Been Hwang
  • Publication number: 20240407113
    Abstract: A display device includes: a display panel; and a support plate under the display panel, and including a first non-folding portion, a folding portion, and a second non-folding portion, which are located along a first direction. The folding portion includes: a plurality of openings; and branches between the openings. An area ratio of the openings to the branches is greater at a portion of the folding portion adjacent to at least one of the first or second non-folding portions than at a center of the folding portion.
    Type: Application
    Filed: May 22, 2024
    Publication date: December 5, 2024
    Inventors: MANSIK MYUNG, SUNGJUNE PARK, JAIKU SHIN, JIN YONG SIM, SUNG CHUL CHOI
  • Patent number: 12156327
    Abstract: An electronic device includes a window, a display panel disposed under the window, a cushion member disposed under the display panel, and a first electronic module disposed under the window and inserted into a first hole defined in the display panel and the cushion member. The first hole includes a first hole portion defined in the display panel, and a second hole portion defined in the cushion member. The second hole portion has a width greater than a width of the first hole portion.
    Type: Grant
    Filed: April 17, 2023
    Date of Patent: November 26, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jaiku Shin, Dongjin Park, Dongwoo Seo, Sung Chul Choi