Patents by Inventor Dae Won CHOI

Dae Won 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: 20250015396
    Abstract: An embodiment provides an alkali metal thermal-to-electric converter including a thermal-to-electric conversion cell including three layers including an anode layer, a solid electrolyte layer, and a cathode layer, having a convex-concave shape with alternately appearing concave and convex portions, and configured to move alkali metal ions through the solid electrolyte layer, a high temperature portion that supplies a high temperature alkali metal fluid to the anode layer of the thermal-to-electric conversion cell, and a low temperature portion that condenses the alkaline metal fluid discharged to the cathode layer of the thermal-to-electric conversion cell to a low temperature and moves the alkaline metal fluid to the high temperature portion.
    Type: Application
    Filed: July 3, 2024
    Publication date: January 9, 2025
    Applicant: Korea Institute of Energy Research
    Inventors: In Sub HAN, Wook Hyun LEE, Ji Haeng YU, Se Young KIM, Sun Dong KIM, Jong Won CHOI, Tae Woo KIM, Dae Gyun LEE
  • Patent number: 12193296
    Abstract: A conductive pattern is disclosed that includes a conductive layer including aluminum, a first capping layer disposed on the conductive layer and including titanium, and a second capping layer disposed on the first capping layer and including titanium nitride. A mixed region in which the aluminum and the titanium are mixed with each other is disposed in at least portions of the conductive layer and the first capping layer.
    Type: Grant
    Filed: April 11, 2022
    Date of Patent: January 7, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Eok Shin, Do Keun Song, Dong Min Lee, Joon Yong Park, Hyun Ah Sung, Yun Jong Yeo, Dae Won Choi
  • Patent number: 12189648
    Abstract: Disclosed herein are an apparatus and method for managing integrated storage. The apparatus includes a data distribution and storage unit for distributing data in order to store the data in integrated storage, including on-premises storage and cloud storage; a storage management unit for connecting to the integrated storage in order to store the data and providing information about storage tiering pertaining to the data; a data manipulation unit for providing the integrated storage as virtual data storage regardless of a location at which the data is actually stored; and a storage connection unit for providing a user with an interface for the created virtual data storage as a single virtual storage unit, wherein the information about storage tiering varies depending on the performance of storage, the time during which the data is used, and the frequency with which the data is accessed.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: January 7, 2025
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Dae-Won Kim, Sun-Wook Kim, Seong-Woon Kim, Soo-Cheol Oh, Jae-Geun Cha, Ji-Hyeok Choi
  • Publication number: 20250008090
    Abstract: A method and apparatus use a geometric modified image for video encoding/decoding. The encoding method may include: generating a geometric modified reference picture by geometrically modifying a reference picture; generating a prediction block of a current block within an encoding target picture by performing inter prediction by referencing the reference picture or the geometrically modified reference picture; and encoding inter-prediction information of the current block.
    Type: Application
    Filed: September 9, 2024
    Publication date: January 2, 2025
    Applicants: Electronics and Telecommunications Research Institute, University-Industry Cooperation Group of Kyung Hee University
    Inventors: Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Jin Ho LEE, Dong San JUN, Hui Yong KIM, Gwang Hoon PARK, Jin Soo CHOI, Tae Hyun KIM, Dae Young LEE, Young Su HEO
  • Publication number: 20240430405
    Abstract: The present invention relates to a method and apparatus for video encoding/decoding by using a geometric modified picture. The encoding method according to the present invention includes: generating a geometric modified picture by geometrically modifying a reference picture; and generating a first prediction block of a current block by performing inter prediction referencing the geometric modified picture.
    Type: Application
    Filed: September 4, 2024
    Publication date: December 26, 2024
    Inventors: Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Jin Ho LEE, Dong San JUN, Hui Yong KIM, Gwang Hoon PARK, Jin Soo CHOI, Tae Hyun KIM, Dae Young LEE, Young Su HEO
  • Patent number: 12161999
    Abstract: In the present disclosure, a dehydrogenation catalyst in which cobalt in the form of single atom is supported on an inorganic oxide (specifically, silica) support in which an alkali metal in the form of single atom is fixed by alkali metal pretreatment and a method for producing the same, and a method for producing olefins by dehydrogenating corresponding paraffins, specifically light paraffins in the presence of the dehydrogenation catalyst are described.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: December 10, 2024
    Assignees: SK Innovation Co., Ltd., SK Geo Centric Co., Ltd.
    Inventors: Ho Won Lee, Je Mi Lim, Hee Soo Kim, Ju Hwan Im, Dae Hyun Choo, Ka Young Kim, Jae Suk Choi
  • Publication number: 20240406209
    Abstract: Disclosed herein are a method for countering an asynchronous attack on a supply chain security protocol and an apparatus for the same. The method includes, in a supply chain security protocol performed by a terminal device into which a dielet is inserted and an authentication server, performing a self-generation mode in which a counter value within the dielet is registered in the authentication server, performing a read-out mode in which whether an asynchronous attack occurs is detected by comparing the counter values respectively stored in the dielet and the authentication server when a message for communication is sent, and replacing a message for the communication with a random value when an asynchronous attack is detected.
    Type: Application
    Filed: December 28, 2023
    Publication date: December 5, 2024
    Inventors: Yong-Je CHOI, Dae-Won KIM, Sang-Su LEE, Byeong-Cheol CHOI, Seung-Kwang LEE
  • 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
  • Publication number: 20240402259
    Abstract: Disclosed is a battery diagnosing technology capable of effectively diagnosing a state of a secondary battery using a charge and discharge signal extracted from the secondary battery.
    Type: Application
    Filed: August 13, 2024
    Publication date: December 5, 2024
    Inventors: Soon-Ju Choi, Dae-Soo Kim, Young-Deok Kim, Su-Won Jee, Hyun-Jun Choi
  • Patent number: 12161041
    Abstract: An etching device includes a chamber; a stage disposed in the chamber and on which a target substrate is loaded; a gas distribution unit disposed to face the stage in the chamber; a plurality of plasma generation modules disposed above the chamber; a gas supply unit that supplies gas into the chamber; a gas line connecting the gas supply unit and the plurality of plasma generation modules; and a plurality of gas inlet pipes each including an end connected to the plasma generation module and another end connected to the gas distribution unit.
    Type: Grant
    Filed: May 5, 2021
    Date of Patent: December 3, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dae Soo Kim, Sang Gab Kim, Yun Jong Yeo, Ju Hee Lee, Soo Beom Jo, Dae Won Choi
  • Patent number: 12160565
    Abstract: A method and apparatus use a geometric modified image for video encoding/decoding. The encoding method may include: generating a geometric modified reference picture by geometrically modifying a reference picture; generating a prediction block of a current block within an encoding target picture by performing inter prediction by referencing the reference picture or the geometrically modified reference picture; and encoding inter-prediction information of the current block.
    Type: Grant
    Filed: October 25, 2022
    Date of Patent: December 3, 2024
    Assignees: Electronics and Telecommunications Research Institute, University-Industry Cooperation Group of Kyung Hee University
    Inventors: Jung Won Kang, Hyun Suk Ko, Sung Chang Lim, Jin Ho Lee, Dong San Jun, Hui Yong Kim, Gwang Hoon Park, Jin Soo Choi, Tae Hyun Kim, Dae Young Lee, Young Su Heo
  • Patent number: 12150342
    Abstract: A display device includes a display panel including a main portion, a first bent portion and a second bent portion each extending from the main portion, and a corner portion which connects the first bent portion and the second bent portion to each other and is bendable relative to the main portion. The corner portion which is bendable includes a plurality of protrusion patterns partially disconnected from each other and each bendable relative to the main portion, and each of the plurality of protrusion patterns including a display pixel.
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: November 19, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dae Won Choi, Dong Won Kim, Sang Gab Kim, Sang Woo Kim, Gyu Jeong Lee, Sung Won Cho
  • Publication number: 20240377472
    Abstract: A secondary battery diagnosing technology capable of effectively diagnosing a state of a secondary battery using a charge and discharge signal of the secondary battery, including a memory unit configured to store a positive electrode reference profile and a negative electrode reference profile for charge or discharge of a reference battery, a voltage measuring unit configured to measure a voltage of a target battery during a charge or discharge process, and a processor configured to generate a charge and discharge measurement profile based on the voltage, compare a simulation profile obtained from the positive electrode reference profile and the negative electrode reference profile with the generated charge and discharge measurement profile, and determine a positive electrode adjustment profile and a negative electrode adjustment profile so that an error between the simulation profile and the charge and discharge measurement profile is within a predetermined level.
    Type: Application
    Filed: July 23, 2024
    Publication date: November 14, 2024
    Inventors: Soon-Ju CHOI, Dae-Soo Kim, Young-Deok Kim, Su-Won Jee, Hyun-Jun Choi
  • Patent number: 12133891
    Abstract: Disclosed herein are a microbubble-extracellular vesicle complex, a production method therefor, and a system for driving the same. In one aspect, preferred microbubble-extracellular vesicle complexes may comprise an ultrasound contrast agent-based microbubble, an extracellular cell derived from a natural killer cell (NK cell), a human glial cell, or a human mesenchymal stem cell, and a coupling medium and can be derive in a 3D mode using ultrasonic waves and deliver a drug loaded in the extracellular vesicle to a target site.
    Type: Grant
    Filed: November 2, 2021
    Date of Patent: November 5, 2024
    Assignees: INDUSTRY FOUNDATION OF CHONNAM NATIONAL UNIVERSITY, KOREA INSTITUTE OF MEDICAL MICROROBOTICS, Johns Hopkins University
    Inventors: Eun Pyo Choi, Jong Oh Park, Chang Sei Kim, You Hee Choi, Byung Jeon Kang, Ho Yong Kim, Hyeong Woo Song, Dae Won Jung, Han Sol Lee, Deok Ho Kim, Min Jae Do
  • Publication number: 20240365622
    Abstract: A display device includes: a first pixel electrode comprising a first reflective electrode in a first emission area, a first light transmitting pattern on the first reflective electrode, and a first light transmitting electrode on the first reflective electrode and the first light transmitting pattern and connected to the first reflective electrode; a second pixel electrode comprising a second reflective electrode in a second emission area and a second light transmitting electrode on the second reflective electrode; a light emitting stack on the first and second pixel electrodes and comprising at least one light emitting layer; a common electrode on the light emitting stack; and a bank pattern surrounding the first and second emission areas, and having at least a portion between the first emission area and the second emission area, wherein the first light transmitting pattern and the bank pattern contain a same material and are spaced apart.
    Type: Application
    Filed: December 4, 2023
    Publication date: October 31, 2024
    Inventors: Il Ha SONG, Hyo Min KO, Sang Gyun KIM, Dae Woong LEE, Hyeon Jeong IM, Hye Won CHOI
  • Patent number: 12132988
    Abstract: Disclosed is a lens assembly. The disclosed lens assembly comprises: a base; a lens unit which is disposed on one side inside the base and moves forward or rearward in the length-wise direction of the base; an optical path changing unit which is disposed on the other side inside the base, and has a portion fixed to the base and the other portion disposed to be movable inside the base; an auto focusing (AF) drive unit that moves the lens unit forward or rearward; and first and second optical image stabilizing (OIS) drive units that move the optical path changing unit in a tiltable posture.
    Type: Grant
    Filed: June 16, 2021
    Date of Patent: October 29, 2024
    Assignee: Micro Actuator Co., Ltd.
    Inventors: Dae Soon Lim, Hak Ku Yoon, Myung Won Choi
  • Patent number: 12133393
    Abstract: A method of manufacturing a semiconductor device, the method including providing a substrate including a first region and a second region such that the second region is separated from the first region; forming a metal oxide film on the first region of the substrate and the second region of the substrate; forming an upper metal material film on the metal oxide film on the first region of the substrate such that the upper metal material film does not overlap the metal oxide film on the second region of the substrate; and simultaneously annealing the upper metal material film and the metal oxide film to form a ferroelectric insulating film on the first region of the substrate and form a paraelectric insulating film on the second region of the substrate.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: October 29, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Do Young Choi, Kab Jin Nam, In Bong Pok, Dae Won Ha, Musarrat Hasan
  • Patent number: 12120292
    Abstract: A method and apparatus use a geometric modified image for video encoding/decoding. The encoding method may include: generating a geometric modified reference picture by geometrically modifying a reference picture; generating a prediction block of a current block within an encoding target picture by performing inter prediction by referencing the reference picture or the geometrically modified reference picture; and encoding inter-prediction information of the current block.
    Type: Grant
    Filed: October 25, 2022
    Date of Patent: October 15, 2024
    Assignees: Electronics and Telecommunications Research Institute, University-Industry Cooperation Group of Kyung Hee University
    Inventors: Jung Won Kang, Hyun Suk Ko, Sung Chang Lim, Jin Ho Lee, Dong San Jun, Hui Yong Kim, Gwang Hoon Park, Jin Soo Choi, Tae Hyun Kim, Dae Young Lee, Young Su Heo
  • Publication number: 20240338345
    Abstract: Disclosed herein are an apparatus and method for managing in-memory container storage. The apparatus includes one or more processors, executable memory for storing at least one program executed by the one or more processors, and a container file system for storing a container, which provides application virtualization. Here, the container file system includes a merged access layer, a container layer, and an image layer, and the at least one program provides an application with link information of files in the container layer and the image layer, thereby allowing the application to access the files.
    Type: Application
    Filed: June 18, 2024
    Publication date: October 10, 2024
    Inventors: Dae-Won KIM, Sun-Wook KIM, Su-Min JANG, Jae-Geun CHA, Hyun-Hwa CHOI
  • Patent number: 12113718
    Abstract: Disclosed herein is a method for resource allocation in an edge-computing environment. The method includes receiving a request for an intelligent edge service, selecting the worker server to execute the service based on an input/output congestion level, allocating resources based on topology information of the worker server, and configuring a virtual environment based on the allocated resources.
    Type: Grant
    Filed: November 9, 2022
    Date of Patent: October 8, 2024
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyun-Hwa Choi, Dae-Won Kim, Sun-Wook Kim, Su-Min Jang, Jae-Geun Cha