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: 12025813
    Abstract: A camera module includes a lens module having lenses; a reflection module disposed on an object side of the lens module, and changing a path of light so that the light incident inside is directed toward the lens module; and an image sensor disposed on an image side of the lens module. The reflection module can be rotated about a first axis and a second axis perpendicular to the first axis, and an imaging plane of the image sensor includes a curved surface.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: July 2, 2024
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Chul Choi, Dong Hun Han, Sang Lae Kim
  • Patent number: 12022212
    Abstract: An image sensor includes a pixel group. The pixel group includes a first color filter, first to third photodiodes below the first color filter such that the first color filter overlaps each of the first to third third photodiodes in a vertical direction, wherein the first to third photodiodes are arranged in a first direction perpendicular to the vertical direction, first to third floating diffusions configured to accumulate electric charges generated by the first to third photodiodes, respectively, a source follower transistor configured to output a first pixel signal based on the electric charges accumulated in at least one of the first to third floating diffusions, and a first metal layer configured to receive the first pixel signal from the source follower transistor, wherein the first metal layer extends in a second direction intersecting the first direction, wherein the first to third floating diffusions are arranged in the first direction.
    Type: Grant
    Filed: January 10, 2022
    Date of Patent: June 25, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ha Na Choi, Hong Hyun Jeon, Ji Eun Lee, Won Chul Choi
  • Publication number: 20240188406
    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: February 15, 2024
    Publication date: June 6, 2024
    Inventors: Young-Nam Lim, Hyun-Chul Choi, Kwan-Soo Kim, Seok-Hyun Kim, Jae-Hyeon Kim
  • 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
  • Patent number: 11993884
    Abstract: A washing machine of the present disclosure includes a rotating tub configured to receive laundry, a motor configured to apply a driving force to the rotating tub, a detector configured to detect electrical signal of the motor; a controller configured to receive the electrical signal detected by the detector for a predetermined time when the speed of the motor during a dehydration stroke is a predetermined speed, obtain an average value of the electrical signal received during the predetermined time, check a ripple value in the received electrical signal, obtain an eccentric value corresponding to the obtained average value and the ripple value, and control an operation of the motor to stop or maintain the dehydration stroke based on the obtained eccentric value and a driver configured to drive the motor in respond to a control command of the controller.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: May 28, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Mo Lee, Jun Hyun Park, Jung Chul Choi
  • 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
  • Patent number: 11989658
    Abstract: A method and an apparatus for exclusive reinforcement learning are provided, comprising: collecting information of states of an environment through the communication interface and performing a statistical analysis on the states using the collected information; determining a first state value of a first state among the states in a training phase and a second state value of a second state among the states in an inference phase based on analysis results of the statistical analysis; performing reinforcement learning by using one reinforcement learning unit of a plurality of reinforcement learning unit which performs reinforcement learnings from different perspectives according to the first state value; and selecting one of actions determined by the plurality of reinforcement learning unit based on the second state value and applying selected action to the environment.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: May 21, 2024
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyunseok Kim, Myung Eun Kim, Seonghyun Kim, Young Sung Son, Jongkwon Son, Soonyong Song, Donghun Lee, Ingook Jang, Jin Chul Choi
  • Patent number: 11987750
    Abstract: A method 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: Grant
    Filed: December 16, 2021
    Date of Patent: May 21, 2024
    Assignee: Saudi Arabian Oil Company
    Inventors: Fahd Ibrahim AlGhunaimi, Young Chul Choi, Mustafa Ahmed Alkhowaildi, Eyad Alali, Abdullah A. Alomier
  • 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: 11980054
    Abstract: A display apparatus including a heteromorphy lens disposed on a path of light emitted from a light-emitting device, a side surface of the heteromorphy lens toward a first direction has a shape different from a side surface of the heteromorphy lens toward a second direction perpendicular to the first direction, so that light can be condensed in the first direction and diffused in the second direction due to the heteromorphy lens, and the reduction in luminance can be minimized, and the viewing angle can be limited.
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: May 7, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Woo Chul Choi, Seung Kwang Roh
  • Publication number: 20240137511
    Abstract: Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus. In video encoding and decoding, multiple partition blocks are generated by splitting a target block. A prediction mode is derived for at least a part of the multiple partition blocks, among the multiple partition blocks, and prediction is performed on the multiple partition blocks based on the derived prediction mode. When prediction is performed on the partition blocks, information related to the target block may be used, and information related to an additional partition block, which is predicted prior to the partition block, may be used.
    Type: Application
    Filed: January 4, 2024
    Publication date: April 25, 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, Hyunsuk KO, Sung-Chang LIM, Dong-San JUN, Ha-Hyun LEE, Seung-Hyun CHO, Hui-Yong KIM, Hae-Chul CHOI, Dae-Hyeok GWON, Jae-Gon KIM, A-Ram BACK
  • Publication number: 20240136067
    Abstract: A method for monitoring an object is provided. The method includes the steps of: in response to information on a behavior of a domestic animal being estimated from sensor data measured by a sensor for the domestic animal using a machine learning-based behavior recognition model, estimating health status of the domestic animal with reference to the information on the behavior of the domestic animal and a health criterion for the domestic animal; and determining first breeding information on the domestic animal to be provided to a user on the basis of the health status.
    Type: Application
    Filed: August 22, 2021
    Publication date: April 25, 2024
    Applicant: Bodit Inc.
    Inventors: Kwang Jae Choo, Min Yong Shin, Heung Jong Yoo, Yoon Chul Choi, Seongjin Kim, Nayeon Kim
  • 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: 11967503
    Abstract: Provided are a method of depositing a thin film and a method of manufacturing a semiconductor device using the same, and the method of depositing a thin film uses a substrate processing apparatus including a chamber, a substrate support on which a substrate is mounted, a gas supply unit, and a power supply unit that supplies high-frequency and low-frequency power to the chamber, and includes: a step of mounting, on the substrate support, the substrate including a lower thin film deposited under the condition of a process temperature in a low temperature range; a step of depositing an upper thin film on the lower thin film under the condition of the process temperature in the low temperature range; and a step of treating a surface of the upper thin film under the condition of the process temperature in the low temperature range.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: April 23, 2024
    Assignee: WONIK IPS CO., LTD.
    Inventors: Su In Kim, Young Chul Choi, Chang Hak Shin, Min Woo Park, Ji Hyun Kim, Kyung Mi Kim
  • 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
  • Patent number: 11953944
    Abstract: A mobile electronic device includes a display including a flat portion, a first side portion extending from one side of the flat portion, and a second side portion formed extending from another side of the flat portion; and a frame including a flat part disposed under the flat portion of the display, a first side part formed at a first edge of the flat part, and a second side part formed at a second edge of the flat part, the flat part being disposed between the first side part and the second side part. The display includes an external protective layer and a panel module disposed under the external protective layer. The first side part includes a first support portion and a second support portion formed adjacent to the first support portion and having a step difference with the first support portion.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: April 9, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong Min Choi, Soon Woong Yang, Jong Chul Choi
  • Patent number: 11949881
    Abstract: The present invention discloses an encoding apparatus using a Discrete Cosine Transform (DCT) scanning, which includes a mode selection means for selecting an optimal mode for intra prediction; an intra prediction means for performing intra prediction onto video inputted based on the mode selected in the mode selection means; a DCT and quantization means for performing DCT and quantization onto residual coefficients of a block outputted from the intra prediction means; and an entropy encoding means for performing entropy encoding onto DCT coefficients acquired from the DCT and quantization by using a scanning mode decided based on pixel similarity of the residual coefficients.
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: April 2, 2024
    Assignees: Electronics and Telecommunications Research Institute, Kwangwoon University Research Institute for Industry Cooperation, Industry-Academia Cooperation Group of Sejong University
    Inventors: Se-Yoon Jeong, Hae-Chul Choi, Jeong-Il Seo, Seung-Kwon Beack, In-Seon Jang, Jae-Gon Kim, Kyung-Ae Moon, Dae-Young Jang, Jin-Woo Hong, Jin-Woong Kim, Yung-Lyul Lee, Dong-Gyu Sim, Seoung-Jun Oh, Chang-Beom Ahn, Dae-Yeon Kim, Dong-Kyun Kim