Patents by Inventor Chul Choi

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).

  • 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
  • Publication number: 20240406413
    Abstract: An image decoding method is disclosed in the present specification. An image decoding method according to the present invention may include: determining a prediction mode of a current block as IBC (Intra Block Copy) mode, deriving a candidate list for deriving a block vector of the current block and deriving a block vector of the current block by using the candidate list, wherein the candidate list is derived based on a size of the current block.
    Type: Application
    Filed: August 15, 2024
    Publication date: December 5, 2024
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, HANBAT NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Ha Hyun LEE, Jung Won KANG, Sung Chang LIM, Jin Ho LEE, Hui Yong KIM, Hae Chul CHOI, Dae Hyeok GWON, Hee Ji HAN
  • 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: 12149269
    Abstract: In a transmitter circuit, an impedance calibration circuit is configured to generate an impedance code for impedance matching, an encoder is configured to receive the impedance code and to generate a delay compensation signal based on the impedance code. A delay circuit is configured to output delay data that are delayed from input data by a delay value determined based on the delay compensation signal. A feed-forward equalizer is configured to receive the input data and the delay data, and to equalize the input data based on a main coefficient used for the input data and an equalization coefficient used for the delay data to generate transmission data.
    Type: Grant
    Filed: March 24, 2023
    Date of Patent: November 19, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Moon-Chul Choi, Sung-Yong Cho, Jaehyeok Baek, Donggun An
  • 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: 12144149
    Abstract: A cooling apparatus for an electronic element includes a first chamber in a non-vacuum state, the first chamber being configured such that a printed circuit board equipped with a heat-generating element is disposed in the first chamber, a second chamber in a vacuum state, the second chamber being configured such that a spray unit configured to spray a refrigerant and a refrigerant supply unit configured to supply the refrigerant to the spray unit are disposed in the second chamber, and an evaporation unit disposed between the first chamber and the second chamber, in which the spray unit sprays the refrigerant, which is supplied by the refrigerant supply unit and condensed in the second chamber, into the second chamber, and in which the evaporation unit evaporates the refrigerant, which is sprayed into the second chamber by the spray unit.
    Type: Grant
    Filed: July 14, 2022
    Date of Patent: November 12, 2024
    Assignee: KMW INC.
    Inventors: Duk Yong Kim, Jin Soo Yeo, Kyu Chul Choi, In Hwa Choi, Youn Jun Cho, Jeong Hyun Choi, Jae Hyun Park
  • Publication number: 20240372982
    Abstract: Disclosed therein are a method, an apparatus, and a storage medium for image encoding/decoding. Templating matching is used for prediction for a target block. Prediction information to be applied to encoding of the target block is determined, and prediction for the target block that uses the determined prediction information is performed. The prediction information includes a list and multiple candidates in the list. When the multiple candidates in the list are configured, template matching between blocks may be used. A candidate selected from among multiple candidates configured using template matching is used for prediction for the target block.
    Type: Application
    Filed: July 26, 2022
    Publication date: November 7, 2024
    Inventors: Woong LIM, Hyoung-Jin KWON, Dong-Hyun KIM, Youn-Hee KIM, Jong-Ho KIM, Ji-Hoon DO, Joo-Young LEE, Se-Yoon JEONG, Jin-Soo CHOI, Tae-Jin LEE, Hae-Chul CHOI, Dae-Hyeok GWON, Hee-Ji HAN
  • Publication number: 20240363940
    Abstract: A battery module according to one or more example embodiments includes a bottom plate, a cell frame located on the bottom plate, a plurality of battery cells mounted to the cell frame, and an adhesive layer located between the bottom plate and the plurality of battery cells. The cell frame has light transmittance. A battery pack including the battery module is also disclosed.
    Type: Application
    Filed: November 7, 2022
    Publication date: October 31, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventor: Jong Chul CHOI
  • Publication number: 20240357109
    Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method performed by an image decoding apparatus of the present invention may comprise decoding an indicator indicating whether or not partition information of a current block is derived from partition information of a corresponding block of the current block, obtaining the partition information of the current block based on the decoded indicator, and partitioning the current block based on the obtained partition information.
    Type: Application
    Filed: July 2, 2024
    Publication date: October 24, 2024
    Applicants: Electronics and Telecommunications Research Institute, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY, HANBAT NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Jin Ho LEE, Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Ha Hyun LEE, Dong San JUN, Seung Hyun CHO, Hui Yong KIM, Hae Chul CHOI, Aram BACK, Jin Soo CHOI, Jae Gon KIM
  • Publication number: 20240333937
    Abstract: Disclosed herein is a method of decoding an image. The method includes determining a prediction mode of a current block as a merge mode with motion vector difference (MMVD), deriving a merge candidate list of the current block, deriving a motion vector predictor of the current block using the merge candidate list, deriving a motion vector difference of the current block, and deriving a motion vector of the current block using the motion vector predictor and the motion vector difference. Only some of candidates in the merge candidate list are used to derive the motion vector predictor.
    Type: Application
    Filed: June 5, 2024
    Publication date: October 3, 2024
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSITITUTE, HANBAT NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATIION FOUNDATION
    Inventors: Ha Hyun LEE, Jung Won Kang, Sung Chang Lim, Jin Ho Lee, Hui Yong Kim, Hae Chul Choi, Dae Hyeok Gwon, Jae Ryun Choi
  • Publication number: 20240327746
    Abstract: Proposed is an aqueous suspension including water, a hexagonal boron nitride (hBN) particle, and a dispersant. A cutting fluid prepared by diluting the aqueous suspension with water is also proposed. The hexagonal boron nitride (hBN) particle is a hydrophilic particle that is wettable with water. The hexagonal boron nitride (hBN) particle has a particle size D50 of 30 to 250 nm and a particle size D90 of 1 um or less for a primary particle and a secondary particle through an application of ultrasound for 24 hours. The hexagonal boron nitride (hBN) particle is synthesized at a temperature of 1600° C. or lower. The hexagonal boron nitride (hBN) particle is mixed with water at a weight ratio of 10 or less, and the dispersant is mixed at a weight ratio of 10 or less.
    Type: Application
    Filed: June 11, 2024
    Publication date: October 3, 2024
    Applicant: MICRO-COMPOSITE INC.
    Inventors: Don Chul CHOI, Yong Jin KIM
  • Patent number: 12108051
    Abstract: An image decoding method is disclosed in the present specification. An image decoding method according to the present invention may include: determining a prediction mode of a current block as IBC (Intra Block Copy) mode, deriving a candidate list for deriving a block vector of the current block and deriving a block vector of the current block by using the candidate list, wherein the candidate list is derived based on a size of the current block.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: October 1, 2024
    Assignees: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, HANBAT NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Ha Hyun Lee, Jung Won Kang, Sung Chang Lim, Jin Ho Lee, Hui Yong Kim, Hae Chul Choi, Dae Hyeok Gwon, Hee Ji Han
  • Patent number: 12079305
    Abstract: Disclosed herein are an apparatus for encoding and decoding a feature map and a method using the apparatus. The feature map encoding apparatus include a processor for acquiring feature map information corresponding to a feature map, reconstructing the feature map based on the feature map information, and generating an encoded feature map by converting each feature value corresponding to the reconstructed feature map from a real number into an integer, and a memory for storing the feature map information.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: September 3, 2024
    Assignees: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, HANBAT NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Hae-Chul Choi, Sang-Woon Kwak, Joung-Il Yun, Hee-Ji Han
  • Publication number: 20240289878
    Abstract: Provided are: a decision-making method using an artificial intelligence model, a server, and a computer program. A decision-making method using an artificial intelligence model according to various embodiments of the present invention comprises the steps of: acquiring a transaction request for a financial product from a trader; determining a processing mode for the acquired transaction request based on data about the trader, and outputting a transaction signal corresponding to the determined processing mode for the transaction request.
    Type: Application
    Filed: July 15, 2022
    Publication date: August 29, 2024
    Inventor: Han Chul CHOI
  • 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
  • Patent number: 12069258
    Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method performed by an image decoding apparatus of the present invention may comprise decoding an indicator indicating whether or not partition information of a current block is derived from partition information of a corresponding block of the current block, obtaining the partition information of the current block based on the decoded indicator, and partitioning the current block based on the obtained partition information.
    Type: Grant
    Filed: July 29, 2022
    Date of Patent: August 20, 2024
    Assignees: Electronics and Telecommunications Research Institute, Industry-University Cooperation Foundation of Korea Aerospace University, Hanbat National University Industry-Academic Cooperation Foundation
    Inventors: Jin Ho Lee, Jung Won Kang, Hyun Suk Ko, Sung Chang Lim, Ha Hyun Lee, Dong San Jun, Seung Hyun Cho, Hui Yong Kim, Hae Chul Choi, Aram Back, Jin Soo Choi, Jae Gon Kim
  • 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