Patents by Inventor Wook Choi

Wook 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: 20230268331
    Abstract: A method for forming a package includes: molding a semiconductor chip and a light-emitting element; forming a redistribution layer (RDL) which electrically connects the semiconductor chip to the light-emitting element; and arranging a light-receiving element on the redistribution layer to be electrically connected thereto. The light-receiving element is arranged such that at least a portion thereof is located directly above the semiconductor chip.
    Type: Application
    Filed: June 15, 2021
    Publication date: August 24, 2023
    Applicant: LIPAC CO., LTD.
    Inventors: Dong Woo PARK, Seong Wook CHOI
  • Publication number: 20230260468
    Abstract: A display device comprises a display panel including a plurality of sub-pixels defined by a plurality of gate lines and a plurality of data lines; and an auxiliary ground voltage line disposed between two adjacent data lines of the plurality of data lines.
    Type: Application
    Filed: March 27, 2023
    Publication date: August 17, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: Seong-Wook CHOI, Jin-Uk LEE
  • Patent number: 11727848
    Abstract: A display device includes a display panel including a plurality of pixels, and a panel driver configured to receive input data, and to drive the display panel based on the input data. The panel driver includes a partial still image detector configured to detect a still image data portion in the input data by determining whether at least a portion of the input data represents a still image, and a command decoder configured to extract command data from the input data by decoding the still image data portion in which the command data are encoded.
    Type: Grant
    Filed: July 23, 2020
    Date of Patent: August 15, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hae-Kwan Seo, Dong-Wook Choi, Se Ja Chul Hwang
  • Patent number: 11723227
    Abstract: A display device includes: a first substrate overlapping a second substrate and including a display area and a non-display area; a display element disposed in the display area and between the first substrate and the second substrate; a sealing member disposed in the non-display area and between the first substrate and the second substrate; a touch unit; and a blocking member disposed in the non-display area and on the second substrate, wherein the blocking member includes blocking patterns, each of which has a first edge and a second edge, wherein the first edge extends in a first direction, and the second edge extends in a second direction different from the first direction, wherein a length of the first edge is longer than a length of the second edge, and the second edge of one blocking pattern does not overlap the second edge of another blocking pattern along the second direction.
    Type: Grant
    Filed: October 28, 2022
    Date of Patent: August 8, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Jae Lee, Do-Hoon Kim, Han Soo Kim, Kyung Min Park, Cheon Deok Park, Dong-Yoon So, Young Dae Yi, Myung-Wook Choi
  • Publication number: 20230233833
    Abstract: A blood pump for causing blood to flow in one direction is used for a blood oxidation system that circulates blood in a body to an oxidizer so as to supply oxygen into the body from outside the body. The blood pump includes an outer wall having a gas outlet port formed through a lateral surface thereof; a blood chamber having a pouch which is inserted into the outer wall and of which opposite ends are connected to opposite ends of the outer wall, respectively; a pump injection valve fluid-communicably coupled to one end of the blood chamber and blocking blood from flowing to the blood chamber; and a pump discharge valve fluid-communicably coupled to the other end of the blood chamber and blocking blood from flowing from the blood chamber.
    Type: Application
    Filed: June 8, 2021
    Publication date: July 27, 2023
    Inventors: Yang Hyun CHO, Seong Wook CHOI
  • Patent number: 11700409
    Abstract: A display apparatus and a server which implements an interactive system are disclosed. The server includes a communicator which receives text information corresponding to a user voice collected at the display apparatus from the display apparatus, and a controller which extracts an utterance component from the text information and controls so that a query to search contents is generated using the extracted utterance component and transmitted to an external server which categorizes metadata of the content under each item and stores the same, in which the controller generates the query by adding a preset item to a criteria to search a content, when a number of criteria to categorize the content under an item corresponding to the extracted utterance component is less than a preset number.
    Type: Grant
    Filed: March 11, 2021
    Date of Patent: July 11, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong-wook Shin, Seung-min Shin, Sung-wook Choi, Hye-jeong Lee, Ji-hye Chung
  • Publication number: 20230217762
    Abstract: A stereoscopic image display device includes a stereoscopic image display panel that includes a plurality of left-eye subpixels configured to display a left-eye image, a plurality of right-eye subpixels configured to display a right-eye image, and a bank layer disposed at an interface between light-emitting regions of the subpixels, wherein the light-emitting region of each subpixel has a saw-toothed shape that remedies left-right luminance scattering of a stereoscopic image and implementing 2D and 3D with a single display panel.
    Type: Application
    Filed: August 25, 2022
    Publication date: July 6, 2023
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Jung Seop YOON, Seong Wook CHOI
  • Publication number: 20230215307
    Abstract: A light emitting display device can include a display panel configured to display an image; a driver configured to drive the display panel; a controller configured to control the driver; and a defect sensing circuit configured to sense a current through a driving voltage line transmitting a driving voltage for driving of the display panel, and output a sensing value based on the current for determining whether an element in a subpixel of the display panel is defective.
    Type: Application
    Filed: October 31, 2022
    Publication date: July 6, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: Yi Yeon HWANG, Sung Wook CHOI, Kil Hwan OH
  • Publication number: 20230217694
    Abstract: The present disclosure is directed to a display apparatus having a high resolution with improved light efficiency. In one aspect, such display apparatus includes a substrate, a light emitting element formed on the substrate and configured to emit light of different colors via a plurality of sub-pixels, and a partial color filter layer formed on a first subset of the plurality of sub-pixels configured to output at least two of the different colors.
    Type: Application
    Filed: December 23, 2022
    Publication date: July 6, 2023
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Ho-Jin KIM, Han-Sun PARK, Pu-Reum KIM, Dong-Wook CHOI
  • Publication number: 20230215358
    Abstract: A light emitting display device is disclosed that includes an organic light emitting diode having an anode electrode connected to a first power line and a cathode electrode, a capacitor configured to store a data voltage and having a first electrode and a second electrode, and a driving transistor having a first electrode connected to the cathode electrode of the organic light emitting diode, a gate electrode connected to the first electrode of the capacitor, and a second electrode connected to the second electrode of the capacitor and a second power line. The driving transistor applies an initialization voltage to a node connected to the cathode electrode of the organic light emitting diode and the first electrode of the driving transistor.
    Type: Application
    Filed: November 1, 2022
    Publication date: July 6, 2023
    Inventors: Jong Sin Park, Sung Wook Choi, Jin Woo Lee
  • Publication number: 20230201813
    Abstract: Disclosed herein are a catalyst for hydrocracking reaction of high molecular weight components in bio-oil, a method for preparing the same and a method for bio-oil upgrading using the same. The catalyst includes a zeolite carrier; and at least one metal selected from the group consisting of nickel (Ni), ruthenium (Ru) and cerium (Ce) supported on the carrier. The catalyst promotes the hydrocracking of high molecular weight compounds contained in the bio-oil, but also inhibits the polymerization reaction of the decomposed product, thereby more effectively enhancing the hydrocracking reaction of the bio-oil.
    Type: Application
    Filed: July 18, 2022
    Publication date: June 29, 2023
    Inventors: Chunjae YOO, Jeong-Myeong HA, Dong Jin SUH, Jae Wook CHOI, Young Hyun YOON, Kyeongsu KIM, Chang Soo KIM, Kwang Ho KIM, Thi Lien DO
  • Publication number: 20230200974
    Abstract: The present invention relates to an artificial bladder system having a double space divided by a partition wall and a wireless, non-powered urine fullness sensor using an RFID technology, which provides an artificial bladder system comprising: an outer wall that forms the outer shape of the artificial bladder, is inserted into the body, and has an inner space; a partition wall, wherein both ends are fixed to the inside of the outer wall, the inner space of the outer wall is divided into a double space of a urine reservoir and a working fluid space, and it is deformable according to amounts of the urine and the working fluid; and a urine fullness sensor installed in the working fluid space and sensing a urine fullness degree based on the deformation of the partition wall.
    Type: Application
    Filed: December 28, 2022
    Publication date: June 29, 2023
    Applicants: Yonsei University Industry Foundation (Yonsei UIF), The Catholic University of Korea Industry-Academic Cooperation Foundation, Industry Academic Cooperation Foundation of Yeungnam University, Chung Ang University Industry Academic Cooperation Foundation
    Inventors: Jong Baeg KIM, U Syn HA, Jin Ho KIM, Jung Wook CHOI, Won Gun KOH, Gyu Jun CHOI, Min Hyeong KIM, Won Keun PARK, Jeong Hyeop SON
  • Publication number: 20230207817
    Abstract: A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same are provided. The negative electrode for a rechargeable lithium battery includes a current collector and a negative active material layer on the current collector, wherein the negative active material layer comprises a negative active material, a binder, and a polyhydric alcohol plasticizer having 2 to 5 OH groups per molecule of the polyhydric alcohol plasticizer, and the binder is an aqueous linear polymer binder including a cellulose-based compound, an acrylate-based compound, or a combination thereof.
    Type: Application
    Filed: December 23, 2022
    Publication date: June 29, 2023
    Inventors: Jungmin LEE, Yunshik CHO, Kiho PARK, Jaemin KIM, Jang Wook CHOI
  • Publication number: 20230201804
    Abstract: Disclosed herein is a metal oxide aerogel catalyst for hydrogenation and/or hydrodeoxygenation, a method for preparing the same, and a method for hydrogenation and/or hydrodeoxygenation using the same. The catalyst consists of a metal and an oxide thereof, and the catalyst is in a form of an aerogel produced by supercritical drying. The catalyst has an effect of providing high hydrogenation and/or hydrodeoxygenation efficiency of an oxygen-containing compound.
    Type: Application
    Filed: December 20, 2022
    Publication date: June 29, 2023
    Inventors: Ji Song KANG, Jeong-Myeong HA, Jae Wook CHOI, Young Hyun YOON, Dong Jin SUH, Chunjae YOO, Kyeongsu KIM, Hyun Joo LEE
  • Patent number: 11673121
    Abstract: Disclosed are a catalyst for oxidative coupling reaction of methane, a method for preparing the same, and a method for oxidative coupling reaction of methane using the same. The catalyst includes a mixed metal oxide, which is a mixed oxide of metals including sodium (Na), tungsten (W), manganese (Mn), barium (Ba) and titanium (Ti). It is possible to obtain paraffins, such as ethane and propane, and olefins, such as ethylene and propylene, with high efficiency through the method for oxidative coupling reaction of methane using the catalyst.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: June 13, 2023
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jeong-Myeong Ha, Lien Thi Do, Jae Wook Choi, Dong Jin Suh, Young Hyun Yoon, Gi Seok Yang, Hyun Joo Lee
  • Publication number: 20230177236
    Abstract: The present disclosure relates to a method and device for calculating solar radiation numerical data based on a fixed slope angle. A method of calculating solar radiation numerical data based on a fixed slope angle according to an embodiment of the present disclosure includes receiving solar radiation numerical data, removing an existing terrain effect from the solar radiation numerical data and applying detailed terrain information with a 100 m resolution to the solar radiation numerical data, applying a fixed slope angle to the detailed terrain information to calculate a global radiation, and dividing the global radiation on the basis of at least one of a grid, a season, a month, a time of day, and a fixed slope angle to generate average data.
    Type: Application
    Filed: November 18, 2022
    Publication date: June 8, 2023
    Applicant: National Institute of Meteorological Sciences
    Inventors: Jinah YUN, Hee Wook CHOI, Yeon Hee KIM
  • Publication number: 20230178744
    Abstract: The present disclosure relates to a binder for a solid-state battery and a manufacturing method thereof. The binder may include a polymer comprising a carbonyl group and a linker comprising amino groups at both ends.
    Type: Application
    Filed: December 6, 2022
    Publication date: June 8, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, Seoul National University R&DB Foundation
    Inventors: Seung Ho Choi, Sang Heon Lee, Jang Wook Choi, Ji Hoon Oh
  • Publication number: 20230150400
    Abstract: A seat automatic arrangement method and apparatus of an autonomous driving vehicle is provided. The seat automatic arrangement method and apparatus have an advantage that it is possible to automatically arrange seats in the vehicle into the seat-facing mode through remote control, and it is possible to prevent interference when moving the seats by arranging the seats in accordance with priority when arranging the seats into the seat-facing mode, thereby being able to more smoothly arrange the seats into the seat-facing mode in an autonomous driving vehicle.
    Type: Application
    Filed: August 29, 2022
    Publication date: May 18, 2023
    Inventors: Eun Sue Kim, Dae Hee Lee, Dong Woo Jeong, Myung Hoe Kim, Duk Kyu Byun, Jin Wook Choi, Gwon Young Jang, Sin Jeong Kang, Byoung Wan Bae, Min Kyu Lee, Chang Hoon Lee, Ho Hun Hwang
  • Patent number: D994615
    Type: Grant
    Filed: July 23, 2021
    Date of Patent: August 8, 2023
    Assignee: YEONHO MS CO., LTD.
    Inventor: Sung Wook Choi
  • Patent number: D994616
    Type: Grant
    Filed: July 23, 2021
    Date of Patent: August 8, 2023
    Assignee: YEONHO MS CO., LTD.
    Inventor: Sung Wook Choi