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: 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: 12206843
    Abstract: Provided are an image encoding method and device. When carrying out image encoding for a block within a slice, at least one block in a restored block of the slice is set as a reference block. When this is done, the encoding parameters of the reference block are distinguished, and the block to be encoded is encoded adaptively based on the encoding parameters.
    Type: Grant
    Filed: September 27, 2023
    Date of Patent: January 21, 2025
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang Lim, Jong Ho Kim, Hae Chul Choi, Hui Yong Kim, Ha Hyun Lee, Jin Ho Lee, Se Yoon Jeong, Suk Hee Cho, Jin Soo Choi, Jin Woo Hong, Jin Woong Kim
  • Publication number: 20250023257
    Abstract: An apparatus includes a first, second, and third substrates. The first substrate includes a first antenna element supporting a first frequency band and a second frequency band higher than the first frequency band. The first substrate includes a first dielectric material having a first dielectric constant. The second substrate includes a second antenna element supporting the first frequency band and the second frequency band. The second substrate includes the first dielectric material. The third substrate is disposed between the first substrate and the second substrate and includes a third antenna element supporting the second frequency band. The third substrate includes a second dielectric material having a second dielectric constant lower than a first dielectric constant. The first and second antenna elements form a first beam in the first frequency band. The first, second, and third antenna elements form a second beam in the second frequency band.
    Type: Application
    Filed: February 16, 2024
    Publication date: January 16, 2025
    Inventors: Jiantong Li, Sung-Chul Park, Jianhua Mo, Aditya Dave, Young Han Nam, Won Suk Choi, Gang Xu
  • 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
  • Publication number: 20240389448
    Abstract: A display device including a display panel having a foldable area, a support member disposed on a bottom surface of the display panel and including a plurality of openings formed in the foldable area, and an elastic member disposed on a bottom surface of the support member and overlapping the openings in the foldable area.
    Type: Application
    Filed: July 26, 2024
    Publication date: November 21, 2024
    Inventors: Dongwoo SEO, Dong Jin PARK, Jai Ku SHIN, Sung-Chul CHOI
  • Patent number: 12150330
    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: Grant
    Filed: April 19, 2023
    Date of Patent: November 19, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Yong Sim, Sung Chul Choi, In Soo Park, Dongwoo Seo
  • Patent number: 12075689
    Abstract: A display device including a display panel having a foldable area, a support member disposed on a bottom surface of the display panel and including a plurality of openings formed in the foldable area, and an elastic member disposed on a bottom surface of the support member and overlapping the openings in the foldable area.
    Type: Grant
    Filed: April 4, 2022
    Date of Patent: August 27, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dongwoo Seo, Dong Jin Park, Jai Ku Shin, Sung-Chul Choi
  • Publication number: 20240267443
    Abstract: An electronic apparatus includes a display module including a folding portion folded about a folding axis extending along a first direction and first and second non-folding portions spaced apart from each other with the folding portion interposed therebetween. A support plate is disposed on a lower side of the display module and includes openings overlapping the folding portion. An adhesive layer is disposed on an upper side of the support plate and overlaps the folding portion, the first non-folding portion, and the second non-folding portion, and a cover attached on a lower side of the support plate, and overlapping at least the folding portion. A through portion passes through the cover along a through direction, and has a depth along a third direction which is perpendicular to first and second directions. The through portion is connected to at least one of the openings.
    Type: Application
    Filed: January 30, 2024
    Publication date: August 8, 2024
    Inventors: JAIKU SHIN, Sung Chul Choi
  • Publication number: 20240259489
    Abstract: A display device includes: a display panel including a foldable area having flexibility; a first support member disposed under the display panel and including a stretchable portion overlapping the foldable area; a second support member disposed under the first support member and including a first support plate and a second support plate spaced apart from each other; a third support member disposed under the first support member and including a material different from a material of the second support member; and a circuit board contacting a part of the display panel and one surface of the third support member, respectively.
    Type: Application
    Filed: October 24, 2023
    Publication date: August 1, 2024
    Inventors: GYEONGHO JEONG, JAIKU SHIN, SUNG CHUL CHOI
  • Patent number: 12004408
    Abstract: A display device includes: a display panel including a first area, a bending area, and a second area arranged along a first direction, the second area being located underneath the first area when the bending area is bent; and a spacer between the first area and the second area, and including: a first part; and a second part protruding from the first part in the first direction. Opposite sides of the second part in a second direction that crosses the first direction define steps that are stepped from the first part, and the steps are located at an outside of the second area in a plan view.
    Type: Grant
    Filed: April 18, 2022
    Date of Patent: June 4, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jaiku Shin, Jinhyoung Kim, Sung Chul Choi
  • Publication number: 20240175135
    Abstract: The present disclosure relates to a metal organic chemical vapor deposition apparatus, and more particularly to a metal organic chemical vapor deposition apparatus in which a coil connector through which a coil extension of a heating coil passes is provided in a chamber to improve assemblability and ease of maintenance by disposing, outside the chamber, a connector connecting a feedthrough and the heating coil for heating a substrate.
    Type: Application
    Filed: March 27, 2022
    Publication date: May 30, 2024
    Applicant: TES CO., LTD
    Inventors: Sung-Chul CHOI, Kwang-Il CHO
  • Publication number: 20240167159
    Abstract: The present disclosure relates to a metal organic chemical vapor deposition apparatus, and more particularly to a metal organic chemical vapor deposition apparatus including a gas supply, which uniformly supplies a process gas and is easily installed and maintained.
    Type: Application
    Filed: March 27, 2022
    Publication date: May 23, 2024
    Applicant: TES CO., LTD
    Inventors: Sung-Chul CHOI, Kwang-Il CHO
  • Publication number: 20240164035
    Abstract: A display device includes a display panel including a first non-folding region, a folding region, and a second non-folding region, a first support plate disposed below the display panel and having a plurality of openings which overlap the folding region and are defined in the first support plate, a second-first support plate overlapping the first non-folding region and disposed below the first support plate in a plan view, a second-second support plate overlapping the second non-folding region and disposed below the first support plate in the plan view, and a plurality of impact resistant layers disposed between the first support plate and the second-first support plate and between the first support plate and the second-second support plate. Each of the impact resistant layers may have a thickness of about 40 micrometers to about 300 micrometers.
    Type: Application
    Filed: August 17, 2023
    Publication date: May 16, 2024
    Inventors: SOJEONG LA, JAIKU SHIN, SUNG CHUL CHOI, MUNSIK HAM
  • Patent number: 11985774
    Abstract: A display device includes a display module including a folding area, a plate which is under the display module and includes a bending portion corresponding to the folding area and a plurality of openings defined in the bending portion, a first plate and a second plate portion extending from opposing sides of the bending portion, a support layer which is under the bending portion and includes a first support member and a second support member spaced apart from each other, and a cushion layer including a first cushion member corresponding to the first plate portion and a second cushion member corresponding to the second plate portion. Each of the first support member and the second support member has a modulus greater than a modulus of each of the first cushion member and the second cushion member.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jaiku Shin, Sung Chul Choi
  • Publication number: 20240152181
    Abstract: A display device includes a display panel including a first non-folding area, a folding area, and a second non-folding area and a support plate that is disposed under the display panel and that defines a plurality of openings overlapping the folding area and arranged in a first direction and a second direction intersecting the first direction. The support plate includes a first branch disposed between openings adjacent to each other in the second direction among the plurality of openings and a second branch disposed between openings adjacent to each other in the first direction among the plurality of openings. A first width of the first branch in the second direction is smaller than a second width of each of the openings in the second direction.
    Type: Application
    Filed: December 5, 2023
    Publication date: May 9, 2024
    Inventors: JAIKU SHIN, DONGWOO SEO, Jihye SHIN, JIN YONG SIM, SEOKCHAN LEE, SUNG CHUL CHOI
  • Patent number: 11968854
    Abstract: A display apparatus including a display module having flexibility, a glass window disposed on the display module, a protective film including an adhesive layer detachably attached on the glass window, and a protecting layer disposed on the adhesive layer, a cover covering an edge of the glass window and configured to receive the display module, and a protective pattern including an edge adhesive layer attached on an edge of an upper surface of the glass window, and an edge protective layer disposed on the edge adhesive layer, in which an adhesion between the glass window and the edge adhesive layer of the protective pattern is greater than an adhesion between the glass window and the adhesive layer of the protective film.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: April 23, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jaiku Shin, Dongjin Park, Dongwoo Seo, Sung Chul Choi
  • Patent number: 11956910
    Abstract: A display device includes: a display module having a first non-foldable area, a foldable area, and a second non-foldable area, which are arranged in a first direction in a unfolded state; and a first support layer disposed under the display module and having a lattice pattern including a plurality of first holes overlapping the foldable area, wherein the first holes are arranged in the first direction and a second direction intersecting the first direction, and wherein: each of the first holes has a first width in the second direction and a second width in the first direction, the first width is in a range from about 2,000 ?m to about 9,000 ?m, and the second width is in a range from about 100 ?m to about 250 ?m.
    Type: Grant
    Filed: November 3, 2022
    Date of Patent: April 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dongwoo Seo, Dongjin Park, Jaiku Shin, Sung Chul Choi