Patents by Inventor Sang Hyun Park

Sang Hyun Park 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: 20230022419
    Abstract: The present disclosure provides a hydrogel having excellent drug delivery ability and having antibacterial properties as well as pH-dependent, biocompatible and biodegradable properties, and a method for preparing the same. The hydrogel including radiated chitosan, a natural gelling polymer, a hydrophilic synthetic polymer and (3-mercaptopropyl)trimethoxysilane (MPTMS), and the method for preparing the same are provided.
    Type: Application
    Filed: February 3, 2021
    Publication date: January 26, 2023
    Inventors: Sang-Hyun PARK, Muhammad Asim RAZA
  • Patent number: 11560512
    Abstract: An electrochromic device according to an embodiment includes a first transparent conductive layer, an ion storage layer, an electrolyte layer, an electrochromic layer, and a second transparent conductive layer. The electrolyte layer includes a tantalum atom. The electrochromic layer includes a tungsten atom. The ion storage layer includes an iridium atom and a tantalum atom. The ion storage layer is hydrogenated in bleached state and the electrochromic device has a transmittance of 64.1% or more in bleached state. A difference between the transmittance of the electrochromic device in bleached state and the transmittance of the electrochromic device in colored state is 8.4% or more.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: January 24, 2023
    Assignee: LeapHigh Inc.
    Inventors: Sang Hyun Park, Byoung Dong Kim
  • Patent number: 11562699
    Abstract: A display device according to an embodiment of the present disclosure includes a light-emitting element configured to emit light, a driving transistor configured to provide a high-level voltage to the light-emitting element, and a switching transistor configured to transfer a voltage input through a data line to a gate node of the driving transistor. The driving transistor operates in a saturation mode in which a voltage of a source node is saturated in response to a first data voltage input to the gate node, and operates in a switch mode in which the driving transistor operates as a switch in response to a second data voltage higher than the first data voltage, so that a driving current generated in the driving transistor is able to be sensed through the source node.
    Type: Grant
    Filed: November 2, 2021
    Date of Patent: January 24, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Sang Hyun Park
  • Publication number: 20230007924
    Abstract: Provided is a method for detecting and quantifying a nucleic acid in real time and at high speed. The present disclosure provides a real-time high-speed PCR method in which fluorescent signals can be measured from a single-wavelength light source by using a single signal fluorescent material under continuous temperature control. Thus, the PCR method can be performed with a compact lightweight device with a simplified structure.
    Type: Application
    Filed: September 15, 2020
    Publication date: January 12, 2023
    Inventors: Byoung Yeon WON, Su Sung KIM, Jae Un AN, Youn Tae IM, Sang Hyun PARK, Jae Ho PARK
  • Publication number: 20220399739
    Abstract: A Depth of Charge (DOC) setting apparatus includes a charging and discharging unit for completely charging a battery to a set target voltage and discharging the completely-charged battery; a profile obtaining unit for obtaining a voltage profile for capacity and voltage of the battery while the battery is charged and discharged and obtaining a differential profile for capacity and differential voltage of the battery from the obtained voltage profile; and a processor for sequentially selecting any one of a plurality of preset voltages and setting the selected preset voltage as the target voltage and for obtaining a feature value for a target peak in each of a plurality of differential profiles and setting a DOC for the battery based on the plurality of obtained feature values.
    Type: Application
    Filed: May 11, 2021
    Publication date: December 15, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Sang-Hyun PARK, Jun-Young KWON, Seol YOO, Min-Soo PARK, Jin-Uk LEE
  • Publication number: 20220383540
    Abstract: An apparatus for constructing kinematic information of a robot manipulator is provided. The apparatus includes: a robot image acquisition part for acquiring a robot image containing shape information and coordinate information of the robot manipulator; a feature detection part for detecting the type of each of a plurality of joints of the robot manipulator and the three-dimensional coordinates of the joint using a feature detection model generated through deep learning based on the robot image containing shape information and coordinate information; and a variable derivation part for deriving Denavit-Hartenberg (DH) parameters based on the type of each of the plurality of joints of the robot manipulator and the three-dimensional coordinates of the joint.
    Type: Application
    Filed: July 29, 2021
    Publication date: December 1, 2022
    Inventors: Junyoung Lee, Maolin Jin, Sang Hyun Park, Bumgyu Kim
  • Patent number: 11497821
    Abstract: The present disclosure relates to a method for labeling a biomolecule, a fluorescent dye, or a nanoparticle compound with a radioisotope, comprising: (a) providing a cyclooctyne compound represented by the following formula (I) comprising the biomolecule, the fluorescent dye, or the nanoparticle compound which is bound to a cyclooctyne moiety of the cyclooctyne compound; and (b) reacting the cyclooctyne compound of formula (I) with a quinone compound represented by the following formula (II) to give a biomolecule, a fluorescent dye, or a nanoparticle compound labeled with the radioisotope: in formula (I), (Z is the biomolecule, the fluorescent dye, or the nanoparticle compound) in formula (II), (b is 0 or an integer from 1 to 10; L is CH2, —COO—, or —CONH—; M is the radioisotope).
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: November 15, 2022
    Assignee: Korea Atomic Energy Research Institute
    Inventors: Sang Hyun Park, Sajid Mushtaq, Dae Seong Choi
  • Publication number: 20220357241
    Abstract: The present invention relates to a kit with which a user can conveniently and hygienically collect bio-samples using a collecting rod. A collection kit for collecting a bio-sample using a collection rod according to the present invention comprises: a cap on the lower part of the central part of which a filter is detachably mounted, wherein a cover is formed on the upper part of the filter; a collection rod having a collection unit and a handle part; and a tube fastened with the cap and for accommodating the extraction solution.
    Type: Application
    Filed: May 2, 2022
    Publication date: November 10, 2022
    Inventors: Sang Hyun Park, Byeong Chul Kim
  • Publication number: 20220327692
    Abstract: An image processing method of the present disclosure may include receiving a scanned image, and processing the received image through an octave convolution-based neural network to output a high-quality image and an edge image for the received image. The octave convolution-based neural network may include a plurality of octave encoder blocks and a plurality of octave decoder blocks. Each octave encoder block may include an octave convolutional layer, and may be configured to output a high-frequency feature map and a low-frequency feature map for the image.
    Type: Application
    Filed: April 12, 2021
    Publication date: October 13, 2022
    Inventors: Sang Hyun PARK, Dong Kyu WON, Dong Hye YE
  • Patent number: 11453775
    Abstract: Disclosed are: a thermoplastic elastomer resin composition comprising a thermoplastic elastomer resin and, as a reactive additive, a compound containing one or more isocyanurate functional groups; a molded product comprising the same.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: September 27, 2022
    Assignee: SAMYANG CORPORATION
    Inventors: Jae-Kwan Kwon, Jin Yoo, Cheol-Han Lee, Yong-Chan Lim, Sang-Hyun Park
  • Publication number: 20220302458
    Abstract: Disclosed are a flexible electrode substrate including a porous electrode, a method for manufacturing the flexible electrode substrate, and an energy storage element including the flexible electrode substrate. The flexible electrode substrate can be attached to various objects due to the excellent electrochemical properties and the adhesive properties thereof and thus is very useful. In particular, since the flexible electrode substrate can be used as an electrode of an energy storage element, an energy storage element including the flexible electrode substrate can be attached to various objects and thus can be used as a sticker-type energy storage element. In addition, the flexible electrode substrate can be easily manufactured by transfer method using a difference in adhesive strength and thus allows a simple manufacturing process thereof. Furthermore, electrodes having various patterns can be manufactured with high level of efficiency through simple adjustment of the manufacturing process.
    Type: Application
    Filed: August 13, 2019
    Publication date: September 22, 2022
    Applicant: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Ha Na YOON, Chung Yul YOO, Sang Hyun PARK, Jung Joon YOO, Young A LEE, Jae Hyun JEON, Kyu Yeon JANG
  • Publication number: 20220265902
    Abstract: The present disclosure provides a hydrogel that has excellent drug delivery ability, is pH-dependent, is biocompatible, and has its own anticancer efficacy as well as biodegradability, and a method for preparing the same. Specifically, the present disclosure provides a hydrogel including carboxymethyl-chitosan (CM-CS) and a hydrophilic synthetic polymer wherein the hydrogel is crosslinked by electron beam irradiation, and a method for preparing the same.
    Type: Application
    Filed: February 25, 2022
    Publication date: August 25, 2022
    Inventors: Sang Hyun Park, Muhammad Asim Raza
  • Patent number: 11392038
    Abstract: A maskless exposure apparatus includes a light source, an optical head including a light modulator and an optical system, and reflecting light from the light source to radiate the light to a substrate to be exposed, a stage supporting the substrate and moving the substrate in a scanning direction, where the substrate is rotated such that a reference line of the substrate is at a first angle with respect to the scanning direction, and an optical head rotating unit rotating the optical head. When patterns are formed on the substrate in a direction of a first row and an nth row that is substantially perpendicular to the reference line, the first angle is set such that illuminations accumulated, by a beam spot array, in first portions and second portions on the substrate respectively corresponding to the patterns of the first row and the patterns of the nth row vary.
    Type: Grant
    Filed: January 14, 2021
    Date of Patent: July 19, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eui-Seok Kim, Sang-Hyun Park, Jae-Young Jang
  • Patent number: 11348658
    Abstract: A memory controller and a storage device including the same are provided. The memory controller performs decoding by selecting a decoder of a level enough to correct bit errors in a codeword from among a plurality of error correction code (ECC) decoders based on a bit error history of a non-volatile memory device.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: May 31, 2022
    Assignee: FADU Inc.
    Inventors: Hongseok Kim, Sang Hyun Park, Sunggil Hong, Hayoung Lim, EHyun Nam
  • Publication number: 20220157215
    Abstract: A display device includes a display panel including a sub-pixel for displaying an image, a data driver configured to apply a data voltage to a data line of the sub-pixel, and a scan driver configured to apply a gate signal to a gate line of the sub-pixel. A gate voltage of the gate signal is compensated based on a sensing voltage sensed from the sub-pixel.
    Type: Application
    Filed: October 7, 2021
    Publication date: May 19, 2022
    Inventors: Sang Hyun PARK, Chan Hui SEOL
  • Publication number: 20220139332
    Abstract: A display device according to an embodiment of the present disclosure includes a light-emitting element configured to emit light, a driving transistor configured to provide a high-level voltage to the light-emitting element, and a switching transistor configured to transfer a voltage input through a data line to a gate node of the driving transistor. The driving transistor operates in a saturation mode in which a voltage of a source node is saturated in response to a first data voltage input to the gate node, and operates in a switch mode in which the driving transistor operates as a switch in response to a second data voltage higher than the first data voltage, so that a driving current generated in the driving transistor is able to be sensed through the source node.
    Type: Application
    Filed: November 2, 2021
    Publication date: May 5, 2022
    Applicant: LG Display Co., Ltd.
    Inventor: Sang Hyun PARK
  • Patent number: 11315742
    Abstract: A sticker-type electronic device which is freely detachably attachable to various bodies repeatedly is provided. The electronic device includes a main substrate which exhibits a surface adhesion property due to the properties of a material thereof and which provides an attachment/detachment surface to an article, and an electrode formed by being transferred from a temporary substrate to a surface that is opposite to the attachment/detachment surface of the main substrate to the article wherein the electrode is transferred directly to the main substrate using the adhesion property of the main substrate. The electronic device is freely detachably attachable to the surface of the article repeatedly using the surface adhesion property of the main substrate. The electronic device is formed directly on the surface of the substrate constituted by the material having the surface adhesion property, thereby providing a sticker-type electronic device which is freely repeatedly detachably attachable to various bodies.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: April 26, 2022
    Assignee: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Hana Yoon, Chung-yul Yoo, Sang-hyun Park, Jung-Joon Yoo, Younghyun Cho, Yeoung A Lee, Jiyoung Lee, Jaehyun Jeon
  • Patent number: 11312407
    Abstract: Provided is a vehicle steering column. A lower column has an open area, an axial slot provided in a central portion of the open area, a connecting portion connecting portions of the lower column located on both sides of the open area, a cut portion corresponding to the slot and provided on one side of the connecting portion, and a pair of protruding opposite end portions. A hinge pin is fitted into the opposite end portions of the lower column. An upper column is fitted into the lower column. A telescopic fixing plate of the upper column is provided in a location corresponding to the slot, and has a plurality of catch recesses spaced apart from each other. A telescopic catch member is located in the cut portion between the opposite end portions to be rotatably supported by the hinge pin, and has a catch protrusion engaging with the catch recesses.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: April 26, 2022
    Assignee: MANDO CORPORATION
    Inventors: HyunBi Kwon, Sang Hyun Park
  • Patent number: 11298431
    Abstract: The present disclosure relates to a method for labeling a radioisotope, a radiolabeling compound, a kit including the same, and a method for labeling a radioisotope, including: providing a diaminophenyl compound represented by Chemical Formula I below and including a biomolecule, a fluorescent dye or a nanoparticle compound bound thereto; and reacting the diaminophenyl compound and a radioisotope-labeled aldehyde compound represented by Chemical Formula II below at room temperature; and a related technology: in Chemical Formula I, A is CH2 or O; a is 0 or an integer of 1 to 10; X is CH2 or —CONH—; Y is CH2 or ?and Z is the biomolecule, the fluorescent dye or the nanoparticle compound, in Chemical Formula II, b is 0 or an integer of 1 to 10; and L is CH2 or —CONH—; and Q is M, M? and M? in Q are radioisotopes.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: April 12, 2022
    Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Sang Hyun Park, Sajid Mushtaq, Dae Seong Choi, Beom Su Jang, Eui-Baek Byun, Jongho Jeon, Dong-Eun Lee
  • Patent number: 11295972
    Abstract: The present disclosure provides a method for transfer and assembly of RGB micro-light-emitting diodes using vacuum suction force whereby the vacuum state of micrometer-sized adsorption holes to which micro-light-emitting diodes formed on a mother substrate or a temporary substrate are bonded is controlled selectively, so that only the micro-light-emitting diode devices desired to be detached from the mother substrate or the temporary substrate are detached from the mother substrate or the temporary substrate using vacuum suction force and then transferred to a target substrate.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: April 5, 2022
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Keon Jae Lee, Han Eol Lee, Tae Jin Kim, Jung Ho Shin, Sang Hyun Park