Patents by Inventor Sun Choi

Sun 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: 12292279
    Abstract: Provided is a movement distance measurement apparatus for confirming the operating state of a power transmission device for automobiles, which has removed the effect of temperature, and the movement distance measurement apparatus for confirming the operating state of a power transmission device for automobiles, which has removed the effect of temperature, is configured to measure the movement distance T of the detection target object 20 using a resonance circuit including the sensing coil by using changes in the resonance frequency of the resonance circuit and changes in the output voltage of the resonance circuit according to changes in the distance between the detection target object 20 and the sensing coil, and to be provided with a diode voltage detection unit that separately detects diode voltage included in the output value of the resonance circuit not to be affected by temperature change by removing the diode voltage.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: May 6, 2025
    Assignee: SHILLA INDUSTRIAL CO., LTD.
    Inventors: Byoung Sun Choi, Ik Hyun Kwon
  • Patent number: 12291736
    Abstract: The present invention relates to a novel enzyme capable of producing multi-hydroxy derivatives from polyunsaturated fatty acids and a method for producing multi-hydroxy derivatives of polyunsaturated fatty acids using the same.
    Type: Grant
    Filed: March 8, 2024
    Date of Patent: May 6, 2025
    Assignee: KOREA RESEARCH INSTITUTE OF BIOSCIENCE AND BIOTECHNOLOGY
    Inventors: Jeong Woo Seo, Jong Jae Yi, Sun Yeon Heo, Young Bae Kim, Chul Ho Kim, Baek Rock Oh, Jung Hyun Ju, Hack Sun Choi
  • Publication number: 20250143079
    Abstract: A display device including a light-emitting element, an encapsulation layer over the light-emitting element and including a first inorganic encapsulation layer, an organic encapsulation layer and a second inorganic encapsulation layer in order, and the first inorganic encapsulation layer and the second inorganic encapsulation layer in direct contact with each other to define an inorganic encapsulation area of the display device, a supply voltage line electrically connected to the light-emitting element, a signal line which provides an electrical signal to the display area, and within the inorganic encapsulation area of the display device, the signal line overlapping the supply voltage line and an etch stop pattern between the supply voltage line and the signal line which overlap each other.
    Type: Application
    Filed: January 1, 2025
    Publication date: May 1, 2025
    Inventors: Hyeon Woo SHIN, Beom Yeol PARK, Ji Ryun PARK, Ji Seon LEE, Seung Hwan CHO, Won Suk CHOI, Yoon Sun CHOI
  • Patent number: 12269115
    Abstract: A laser processing apparatus according to an exemplary embodiment includes: a light source generating a laser beam; and a light converging unit converging the laser beam to a focal point on an object to be processed, wherein the light converging unit includes a first optical element including a through hole penetrating the first optical element; a second optical element including a first region reflecting the laser beam and a second region transmitting the laser beam; and a third optical element including a focusing lens as a convex lens, a lower surface of the first optical element is a concave mirror, and an upper surface of the second optical element is convex and a lower surface thereof is concave.
    Type: Grant
    Filed: October 18, 2019
    Date of Patent: April 8, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Akifumi Sangu, Hyoung-Joo Kim, Alexander Voronov, Eun Sun Choi, Gyoo Wan Han
  • Publication number: 20250099653
    Abstract: An embodiment relates to a phenol-modified decellularized muscle tissue-derived extracellular matrix (MEM) for muscle regeneration and a method for preparing same. The phenol group-modified decellularized MEM of the embodiment is characterized by containing components similar to original proteins of muscle tissue for muscle regeneration and forming a hydrogel having a stable porous nanofiber structure through dimerization crosslinking between phenol groups, wherein the hydrogel can effectively treat muscle injury or muscle diseases by being administered or implanted into muscle tissue without causing side effects such as an immune response or liver or kidney dysfunction.
    Type: Application
    Filed: January 13, 2023
    Publication date: March 27, 2025
    Inventors: Seung Woo CHO, Soo Jeong CHOI, Mi Jeong LEE, Yi Sun CHOI, Soo Hwan AN
  • Publication number: 20250107374
    Abstract: A display device includes a driving transistor; a transistor connected to the driving transistor; a first insulating layer; a first data conductive layer including a first connection pattern; a second insulating layer including a lower via hole; a second data conductive layer including a second connection pattern connected to the first connection pattern and a first conductive line; a third insulating layer including an intermediate via hole; a third data conductive layer including a third connection pattern connected to the second connection pattern, a second conductive line extending in a second direction, and a first data line which extends in the second direction; a fourth insulating layer including an upper via hole; and a light emitting element disposed including a first electrode, wherein at least two of the lower via hole, the intermediate via hole, and the upper via hole overlap each other in a third direction.
    Type: Application
    Filed: December 10, 2024
    Publication date: March 27, 2025
    Applicant: Samsung Display Co., Ltd.
    Inventors: Seung Hwan CHO, Beom Yeol PARK, Hyeon Woo SHIN, Ji Seon LEE, Won Suk CHOI, Yoon Sun CHOI
  • Patent number: 12259917
    Abstract: A method of retrieving a document according to an embodiment of the present application includes: acquiring a user retrieval query; calculating a user inquiry vector in a unit of sentence from the user retrieval query and acquiring a first document candidate group based on similarity between the calculated user inquiry vector and an embedding vector of a document stored in a retrieval database; acquiring a second document candidate group based on similarity between a text included in the user retrieval query and a text of the document stored in the retrieval database; and determining a summarization target document based on the first document candidate group and the second document candidate group.
    Type: Grant
    Filed: November 29, 2022
    Date of Patent: March 25, 2025
    Assignee: 42Maru Inc.
    Inventors: Dong Hwan Kim, Hyun Wuk Son, Hyun Ok Kim, You Kyung Kwon, In Je Seong, Yong Sun Choi, Ha Kyeom Moon
  • Patent number: 12262599
    Abstract: A flexible display device including a substrate, a light emitting layer, a first insulating layer, and a conductive layer. The substrate includes a bent region and a non-bent region. The light emitting layer overlaps the non-bent region. The first insulating layer is disposed on the substrate. The conductive layer is disposed on the first insulating layer. A sidewall of the first insulating layer includes a first tapered surface. The first tapered surface includes at least three curved surface portions continuously arranged with one another.
    Type: Grant
    Filed: November 27, 2023
    Date of Patent: March 25, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Hyun Cho, Yong Jae Park, Sang Jo Lee, Won Suk Choi, Yoon Sun Choi
  • Patent number: 12243483
    Abstract: A display device includes an element layer including light emitting elements positioned in the emission areas; and a circuit layer including: light emitting pixel drivers; data lines electrically connected to the light emitting pixel drivers; first auxiliary lines extending in a first direction crossing the data lines; and second auxiliary lines extending in a second direction crossing the first direction, wherein the first auxiliary lines include a first bypass auxiliary line, wherein the second auxiliary lines include a second bypass auxiliary line, wherein the circuit layer further includes: a first connection auxiliary electrode spaced apart from the first bypass auxiliary line; a first connection line connecting the first bypass auxiliary line to the first connection auxiliary electrode; and a first auxiliary protrusion electrode protruding from the second bypass auxiliary line, and electrically connected to the first connection auxiliary electrode through an auxiliary connection hole.
    Type: Grant
    Filed: January 29, 2024
    Date of Patent: March 4, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yoon Sun Choi, Won Suk Choi
  • Publication number: 20250061859
    Abstract: A display device includes a substrate, a circuit layer, and a light emitting element layer. The circuit layer includes pixel drivers corresponding to emission areas of a display area of the substrate and electrically connected to light emitting elements of the light emitting element layer, data lines that transmit data signals to the pixel drivers, first dummy lines disposed in the display area and extending in a first direction intersecting the data lines, and second dummy lines extending in a second direction parallel to the data lines and neighboring the data lines on a side in the first direction. A subset of via holes among via holes through which the first dummy lines and the second dummy lines are electrically connected, overlaps one of the emission areas, and another subset via holes are disposed in a non-emission area between the emission areas.
    Type: Application
    Filed: November 1, 2024
    Publication date: February 20, 2025
    Applicant: Samsung Display Co., Ltd.
    Inventors: Yoon Sun CHOI, Won Suk CHOI
  • Publication number: 20250048858
    Abstract: A display device is disclosed that includes a first single crystal semiconductor substrate comprising a plurality of first transistors, a second single crystal semiconductor substrate disposed on the first single crystal semiconductor substrate and comprising a plurality of second transistors, a light emitting element layer disposed on the second single crystal semiconductor substrate and comprising a plurality of light emitting elements. In a plan view, an area of the first single crystal semiconductor substrate is smaller than an area of the second single crystal semiconductor substrate. A minimum line width of one of the first transistors is smaller than a minimum line width of one of the second transistors.
    Type: Application
    Filed: July 29, 2024
    Publication date: February 6, 2025
    Inventor: Joo Sun CHOI
  • Patent number: 12219838
    Abstract: Provided is a display device which includes a substrate having a display area and a non-display area, and a plurality of pads disposed in the non-display area. Each of the pads includes a first electrode layer, a second electrode layer, a third electrode layer, a fourth electrode layer, and a fifth electrode layer which are sequentially disposed on the substrate, and the second electrode layer is in contact with the first electrode layer through a contact hole formed in one or more insulating layers.
    Type: Grant
    Filed: August 1, 2023
    Date of Patent: February 4, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yoon Sun Choi, Seong Ryong Lee, Seung-Hwan Cho
  • Patent number: 12206132
    Abstract: A battery module includes: a plurality of battery cells which have positive electrode tabs and negative electrode tab formed at both ends thereof, respectively, wherein the plurality of battery cells are stacked; a first bus bar assembly having first bus bars to which the positive electrode tabs and the negative electrode tabs located at one end of the battery cells are connected; a second bus bar assembly having second bus bars to which the positive electrode tabs and the negative electrode tabs located at the other end of the battery cells are connected; and a sensing unit which is connected to any one bus bar of the first and second bus bars to detect states of the battery cells.
    Type: Grant
    Filed: November 11, 2022
    Date of Patent: January 21, 2025
    Assignee: SK ON CO., LTD.
    Inventors: Ji Eun Kang, Sun Mo An, Hae Ryong Jeon, Young Sun Choi
  • Publication number: 20250010862
    Abstract: When a towing vehicle is driven while towing a towed vehicle having driving force, a controller of the towed vehicle determines wheel slip of the towing vehicle based on driving information of the towing vehicle and determines wheel slip of the towed vehicle based on driving information of the towed vehicle, and upon determining that wheel slip of the towing vehicle or the towed vehicle has occurred or upon determining that wheel slip of each of the towing vehicle and the towed vehicle has occurred, control to increase or decrease driving force of the towed vehicle or control to change the driving force distribution ratio between left and right wheels of the towed vehicle is performed, whereby it is possible to improve driving stability and rough road escape performance of the towing vehicle and the towed vehicle.
    Type: Application
    Filed: September 17, 2024
    Publication date: January 9, 2025
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Woul Sun CHOI, Buhm Joo SUH, Yeong II CHOI, Seung Wook LEE, Seok Joon KIM, Tal Chol KIM, Hyuk Joon KWON
  • Publication number: 20250011724
    Abstract: A composition comprising a decellularized uterine tissue-derived extracellular matrix and a use thereof and, more specifically, a hydrogel composition for three-dimensional culturing an endometrial organoid, a preparation method therefor, and a use thereof are described. The hydrogel composition comprising a decellularized uterine tissue-derived extracellular matrix can be utilized to fabricate an endometrial organoid highly similar to in vivo uterine tissues and organs through the properties, components, and physical properties of the decellularized uterine tissue-derived extracellular matrix, and such endometrial organoids can be advantageously used for in-vivo implantation and in drug tests for various uterus-related diseases.
    Type: Application
    Filed: November 10, 2022
    Publication date: January 9, 2025
    Inventors: Seung Woo CHO, Yoon Hee JIN, Yi Sun CHOI, Eun Ju PARK
  • Patent number: 12193257
    Abstract: A display device including a light-emitting element, an encapsulation layer over the light-emitting element and including a first inorganic encapsulation layer, an organic encapsulation layer and a second inorganic encapsulation layer in order, and the first inorganic encapsulation layer and the second inorganic encapsulation layer in direct contact with each other to define an inorganic encapsulation area of the display device, a supply voltage line electrically connected to the light-emitting element, a signal line which provides an electrical signal to the display area, and within the inorganic encapsulation area of the display device, the signal line overlapping the supply voltage line and an etch stop pattern between the supply voltage line and the signal line which overlap each other.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: January 7, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyeon Woo Shin, Beom Yeol Park, Ji Ryun Park, Ji Seon Lee, Seung Hwan Cho, Won Suk Choi, Yoon Sun Choi
  • Publication number: 20240417500
    Abstract: A modified conjugated diene-based polymer and a rubber composition including the same are disclosed herein. The modified conjugated diene-based polymer has excellent processability and good tensile strength and viscoelasticity. In some embodiments, a modified conjugated diene-based polymer includes silicon (Si) and nitrogen (N), and has an N content of 150 ppm or more based on the weight of the modified conjugated diene-based polymer and a rate of change of mooney viscosity (MVR) of 20% or less.
    Type: Application
    Filed: August 26, 2024
    Publication date: December 19, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Jung Hwan Oh, Suk Joon Yoo, He Seung Lee, Jae Sun Choi
  • Publication number: 20240420633
    Abstract: A display device includes an element layer including light emitting elements positioned in the emission areas; and a circuit layer including: light emitting pixel drivers; data lines electrically connected to the light emitting pixel drivers; first auxiliary lines extending in a first direction crossing the data lines; and second auxiliary lines extending in a second direction crossing the first direction, wherein the first auxiliary lines include a first bypass auxiliary line, wherein the second auxiliary lines include a second bypass auxiliary line, wherein the circuit layer further includes: a first connection auxiliary electrode spaced apart from the first bypass auxiliary line; a first connection line connecting the first bypass auxiliary line to the first connection auxiliary electrode; and a first auxiliary protrusion electrode protruding from the second bypass auxiliary line, and electrically connected to the first connection auxiliary electrode through an auxiliary connection hole.
    Type: Application
    Filed: January 29, 2024
    Publication date: December 19, 2024
    Inventors: Yoon Sun CHOI, Won Suk CHOI
  • Publication number: 20240423049
    Abstract: A display device includes a plurality of first constant voltage lines extended along a first direction and arranged along a second direction crossing the first direction, a plurality of second constant voltage lines extended along the second direction and arranged along the first direction, a first overlap area in which the plurality of first constant voltage lines and the plurality of second constant voltage lines overlap and contact each other, and a second overlap area in which the plurality of first constant voltage lines and the plurality of second constant voltage lines overlap and are insulated from each other.
    Type: Application
    Filed: August 30, 2024
    Publication date: December 19, 2024
    Inventors: Seung Hwan CHO, Ji Ryun PARK, Ki Ho BANG, Won Suk CHOI, Yoon Sun CHOI
  • Patent number: 12168710
    Abstract: A rubber composition having excellent abrasion resistance and improved viscoelasticity properties, and a tire manufactured using the same are disclosed herein. In some embodiments, a rubber composition includes a first synthetic rubber and a second synthetic rubber, and has an interaction parameter (?blend) defined by Mathematical Formula 1 at room temperature is 2.0×10?3 or more. The first synthetic rubber is a solution-polymerized modified conjugated diene-based rubber which has a 1,2-vinyl bond content of 50 wt % or more and includes a functional group bonded to at least one terminal, and the second synthetic rubber is a conjugated diene-based rubber which has a 1,2-vinyl bond content of less than 50 wt %.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: December 17, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Youk Reol Na, Jin Young Kim, Jae Sun Choi, No Ma Kim