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: 11744107
    Abstract: An electronic device may include a window, a display panel disposed below the window, a supporting member disposed below the display panel, and a light-blocking layer disposed on the supporting member. The light-blocking layer may include a light-blocking material, and the light-blocking layer may be directly disposed on the supporting member or may be directly attached to the supporting member by a light-blocking adhesive layer. Thus, the electronic device has an improved impact resistance property and may prevent reflection of an external light.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: August 29, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Yong Sim, Sung Chul Choi
  • Patent number: 11743452
    Abstract: An image encoding/decoding method is disclosed. Present invention of the method of decoding an image comprises determining a prediction mode for a current block and performing prediction on the current block on the basis of the determined prediction mode.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: August 29, 2023
    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, Aram Back, Dae Hyeok Gwon
  • Publication number: 20230269959
    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: April 19, 2023
    Publication date: August 24, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: JIN YONG SIM, SUNG CHUL CHOI, IN SOO PARK, DONGWOO SEO
  • Publication number: 20230267649
    Abstract: Disclosed is a data transmission system that transmits data by using a relay. The relay selects a transmission terminal from among a plurality of terminals accessing a base station. A base station transmits base station data to the relay during a first time slot, and the transmission terminal transmits terminal data to the relay. The relay transmits terminal data to the base station during a second time slot, and transmits base station data to the transmission terminal.
    Type: Application
    Filed: November 18, 2022
    Publication date: August 24, 2023
    Inventors: Sung Chang LIM, Se Yoon JEONG, Hae Chul CHOI, Jin Soo CHOI, Jin Woo HONG, Yung Lyul LEE, Dae Yeon KIM
  • Patent number: 11733756
    Abstract: An electronic device is provided. The electronic device includes a battery, a power management integrated circuit (PMIC), that is electrically connected to the battery, adjusts at least part of power received from the battery, and outputs a controlled power, a processor electrically connected to the PMIC, at least one power sensor that is one of electrically connected between the battery and the PMIC and constitutes a part of the PMIC, and a control circuit electrically connected to the at least one power sensor. The control circuit acquires at least one of a current value and a power value input into the PMIC from the battery, determines whether at least one of the acquired current value and power value is greater than or equal to a threshold, and generates a first signal for controlling at least one of the PMIC and the processor, at least partially based on the determination.
    Type: Grant
    Filed: January 24, 2020
    Date of Patent: August 22, 2023
    Inventors: Yun-Hui Han, Min-Su Kim, Chul-Woo Park, Seung-Chul Choi
  • Publication number: 20230263041
    Abstract: A display device includes a substrate including a display area having first color subpixels and a transparent area inside the display area, an array layer in the display area on the substrate, a first electrode in the first color subpixels on the array layer, a first emission assisting layer on the first electrode, an emitting material layer in the first color subpixels on the first emission assisting layer, a second emission assisting layer on the emitting material layer, a deposition preventing layer in the transparent area on the second emission assisting layer, a second electrode on the second emission assisting layer, the second electrode selectively disposed in a region where the deposition preventing layer is not disposed, an encapsulating layer on the deposition preventing layer and the second electrode, a polarizing layer in the display area on the encapsulating layer, an auxiliary equipment in the transparent area under the substrate.
    Type: Application
    Filed: April 28, 2023
    Publication date: August 17, 2023
    Inventors: Young-Nam LIM, Hyun-Chul CHOI, Kwan-Soo KIM, Seok-Hyun KIM, Jae-Hyeon KIM
  • Patent number: 11726527
    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: September 24, 2021
    Date of Patent: August 15, 2023
    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: 20230251690
    Abstract: A display device includes a display panel including a rear surface and a front surface, where the front surface is provided with a display surface and including a folding axis extending in a first direction, a first barrier member disposed on the rear surface of the display panel and having a modulus of about 1 GPa to about 300 GPa, a first coupling member disposed on a rear surface of the first barrier member, and a metal plate disposed on a rear surface of the first coupling member and including a first plate portion and a second plate portion which are arranged in a second direction crossing the first direction and a connection portion connecting the first plate portion and the second plate portion, where the first coupling member does not overlap the connection portion in a plan view.
    Type: Application
    Filed: April 20, 2023
    Publication date: August 10, 2023
    Inventors: Jai Ku SHIN, Dong Jin PARK, Dong Woo SEO, Sung Chul CHOI
  • Publication number: 20230254969
    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: April 17, 2023
    Publication date: August 10, 2023
    Inventors: JAIKU SHIN, Dongjin PARK, Dongwoo SEO, Sung Chul CHOI
  • Publication number: 20230244271
    Abstract: A display device includes a display panel including a first non-folding area, a folding area, and a second non-folding area that are arranged in a first direction, a first support layer which is disposed below the display panel and in which a plurality of first holes overlapping the first non-folding area and the second non-folding area are defined, and a reinforcing part disposed below the first support layer. The reinforcing part includes a reinforcing layer disposed below the first support layer and a plurality of dummies extending from the reinforcing layer and disposed into the plurality of first holes.
    Type: Application
    Filed: April 12, 2023
    Publication date: August 3, 2023
    Inventors: JAIKU SHIN, YUNJAE KIM, SUNG CHUL CHOI
  • Patent number: 11711901
    Abstract: A display device includes a display module having a display region and a non-display region, and a window module disposed on the display module. The window module includes a thin glass substrate, a window protective layer disposed on the thin glass substrate, and a bezel pattern disposed on a surface of the thin glass substrate or disposed on a surface of the window protective layer. The bezel pattern overlaps the non-display region. The edge of the thin glass substrate does not overlap the bezel pattern in a plan view, and the edge of the thin glass substrate is not aligned with the outer edge of the bezel pattern in a plan view.
    Type: Grant
    Filed: May 18, 2021
    Date of Patent: July 25, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Heeyoung Lee, Jin Yong Sim, Jung-Hun Lee, Jihwa Lee, Sung Chul Choi
  • Publication number: 20230222626
    Abstract: A neural network feature decoding method and apparatus according to the present disclosure receives a bitstream including an encoded feature, decodes a feature from a bitstream, and reconstructs features corresponding to a plurality of layers of a neural network based on a decoded feature.
    Type: Application
    Filed: January 10, 2023
    Publication date: July 13, 2023
    Applicants: Electronics and Telecommunications Research Institute, HANBAT NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Soon-Heung JUNG, Sang Woon KWAK, Joung-Il Yun, Hae-Chul CHOI, Hee-Ji HAN
  • Patent number: 11700716
    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: February 7, 2022
    Date of Patent: July 11, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jaiku Shin, Jeongil Yoo, Sung Chul Choi
  • Publication number: 20230212110
    Abstract: A method for producing a carbamic acid salt, including contacting a carbon dioxide-containing mixed gas having a partial pressure of carbon dioxide of 0.001 atm or more and less than 1 atm with an amino group-containing organic compound in the presence of a base in at least one organic solvent selected from the group consisting of an organic solvent having 2 or more and 8 or less carbon atoms, and a method for producing a carbamic acid ester or a urea derivative using the carbamic acid salt.
    Type: Application
    Filed: June 3, 2021
    Publication date: July 6, 2023
    Applicants: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, TOSOH CORPORATION
    Inventors: Katsuhiko TAKEUCHI, Kazuhiro MATSUMOTO, Norihisa FUKAYA, Hiroki KOIZUMI, Jun-Chul CHOI, Masahito UCHIDA, Seiji MATSUMOTO, Satoshi HAMURA
  • Publication number: 20230207185
    Abstract: A coil component includes a body having a first surface, a coil including a coil pattern having a plurality of turns, a first and second lead-out portions disposed in the body and connected to one end and the other end of the coil, respectively, a first and second dummy lead-out portions disposed in the body and spaced apart from the coil, a first and second external electrodes disposed on the first surface of the body and connected to the first and second lead-out portions, respectively. A coil pattern closest to the first surface among the coil patterns disposed in a region between the first lead-out portion and the first dummy lead-out portion is connected to the first lead-out portion.
    Type: Application
    Filed: December 7, 2022
    Publication date: June 29, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yong Min KIM, Jae Hun KIM, Chang Yun LEE, Dae Chul CHOI, Se Yeon HWANG, Yeo Ok JEON
  • Publication number: 20230207958
    Abstract: Discussed is a battery cell assembly that may include a plurality of battery cells, a bus bar assembly on the battery cell assembly and electrically connected to the plurality of battery cells, a cooling unit spaced apart by a certain distance from the bus bar assembly and configured to cool the battery cell assembly, and a potting resin on at least one of an upper side and a lower side of the battery cell assembly.
    Type: Application
    Filed: February 9, 2022
    Publication date: June 29, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Bum CHOI, Jong-Yoon KEUM, Gae-Sung KIM, Dong-Hwan SHIN, Soo-Jun AHN, Seung-Min LEE, Jong-Chul CHOI
  • Publication number: 20230207570
    Abstract: A display apparatus includes an oxide semiconductor pattern disposed on a device substrate and including a channel region disposed between a source region and a drain region, a gate electrode overlapping the channel region of the oxide semiconductor pattern and having a structure in which a first hydrogen barrier layer and a gate conductive layer are stacked, and a gate insulating film disposed between the oxide semiconductor pattern and the gate electrode to expose the source region and the drain region of the oxide semiconductor pattern. The gate electrode exposes a portion of the gate insulating film that is adjacent to the source region and a portion of the gate insulating film that is adjacent to the drain region.
    Type: Application
    Filed: February 27, 2023
    Publication date: June 29, 2023
    Inventors: So-Young Noh, Ki-Tae Kim, Kyeong-Ju Moon, Hyuk Ji, Jin-Kyu Roh, Jung-Doo Jin, Kye-Chul Choi, Dong-Yup Kim, Chan-Ho Kim
  • Patent number: 11689728
    Abstract: An intra prediction mode encoding and decoding method, an image decoding device, and an image encoding device operate by deriving most probable modes (MPMs) from surrounding prediction units adjacent to a current prediction unit and deriving an intra prediction mode of the current prediction unit on the basis of an MPM flag indicating whether an MPM having the same prediction mode as the intra prediction mode of the current prediction unit exists among the derived MPMs.
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: June 27, 2023
    Assignee: DOLBY LABORATORIES LICENSING CORPORATION
    Inventors: Jin Ho Lee, Hui Yong Kim, Sung Chang Lim, Jin Soo Choi, Jin woong Kim, Jae Gon Kim, Hae Chul Choi, Sang Yong Lee
  • Publication number: 20230195170
    Abstract: A display device includes a display panel, a first support plate disposed under the display panel, a first bracket disposed under the first support plate, a second bracket disposed under the first support plate and horizontally spaced apart from the first bracket, and a plurality of cushion layers disposed in a first groove defined on an upper surface of a portion of the first bracket adjacent to the second bracket and a second groove defined on an upper surface of a portion of the second bracket adjacent to the first bracket.
    Type: Application
    Filed: September 13, 2022
    Publication date: June 22, 2023
    Inventors: JAIKU SHIN, SUNG CHUL CHOI, SOJEONG LA
  • Publication number: 20230193116
    Abstract: A method is provided herein for using produced water (PW), for example, for use in a fracturing fluid. The method includes performing ultrafiltration on the PW to form filtered PW, filtering seawater (SW) to form filtered SW, and blending the filtered PW with the filtered SW to form an aqueous blend.
    Type: Application
    Filed: December 16, 2021
    Publication date: June 22, 2023
    Inventors: Fahd Ibrahim AlGhunaimi, Young Chul Choi, Mustafa Ahmed Alkhowaildi, Eyad Alali, Abdullah A. Alomier