Patents by Inventor Cheol-hong An

Cheol-hong An 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: 20220383806
    Abstract: A display device includes a display panel configured to display an image, a data driver configured to supply a data voltage to the display panel, and a timing controller configured to control the data driver, and the data driver pauses a data latch operation.
    Type: Application
    Filed: May 17, 2022
    Publication date: December 1, 2022
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Sung Chul HA, Jin Cheol HONG
  • Patent number: 11408617
    Abstract: An air conditioner includes a heat exchanger for exchanging heat with air brought into a housing, and a blower fan for blowing air that has exchanged heat with the heat exchanger out of the housing, and controls a guide unit that opens or closes part of an outlet provided in the housing to blow out various flows of air.
    Type: Grant
    Filed: July 24, 2017
    Date of Patent: August 9, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang-woo Jung, Sung Jae Kim, Yi Goo Gong, Kwon Jin Kim, Yeon-seob Yun, Kyeong Ae Lee, Je Gu Lee, Soon Cheol Hong
  • Patent number: 11387270
    Abstract: An image sensor package includes a substrate, an image sensor mounted on the substrate, a bonding wire connecting the image sensor to the substrate, a reflector disposed on the image sensor, a sealing member sealing the bonding wire and a portion of the image sensor, and covering at least a portion of the reflector, the sealing member including a hole exposing an effective imaging plane of the image sensor, and a filter attached to the sealing member.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: July 12, 2022
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Do Jae Yoo, Byoung Heon Kim, Yong Gil Namgung, Jong Cheol Hong, Si Joong Yang
  • Publication number: 20220208562
    Abstract: A pressure adjustment apparatus includes a storage tank storing a gas for the chamber with an outlet, a first supply line supplying the gas from an external line to the storage tank, a second supply line supplying the gas from the storage tank to the chamber, a discharge line discharging the gas from the chamber using the outlet of the chamber, and a controller controlling valves at the first, second, and discharge lines. The discharge line includes first and second valves connected to each other in parallel at an end portion of the outlet of the chamber, and a third valve connected to the end portion of the outlet of the chamber. The controller opens the first and second valves to discharge the gas from the chamber, and opens the third valve after a predetermined amount of time after the opening of the first and second valves.
    Type: Application
    Filed: December 27, 2021
    Publication date: June 30, 2022
    Applicant: SEMES CO., LTD.
    Inventors: Su Chul PARK, Eui Cheol HONG, Min Cheol KIM
  • Patent number: 11359096
    Abstract: Disclosed is a fluorescent probe specifically labeling mitochondria, which can exhibit high transmittance by virtue of light emission in the NIR range and in which nonspecific fluorescence absorption in biomolecules can be avoided, making it possible to observe fluorescence images in deep tissue.
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: June 14, 2022
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jun-Seok Lee, Dhiraj P. Murale, Seong-Cheol Hong, Kyung-Tae Hong, Yun-Kyung Kim, Seok Lee
  • Patent number: 11313011
    Abstract: A method for refining magnetic domains of a grain-oriented electrical steel sheet according to an exemplary embodiment of the present invention includes: a step of preparing a grain-oriented electrical steel sheet; and a step of forming a groove by irradiating a quasi-continuous laser beam of which a duty is from 98.0 to 99.9% on a surface of the grain-oriented electrical steel sheet.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: April 26, 2022
    Assignee: POSCO
    Inventors: Oh-Yeoul Kwon, Ki-Young Min, Se-Min Park, Jong-Tae Park, Seong-Cheol Hong
  • Publication number: 20220119901
    Abstract: A grain-orientation electrical steel sheet according to an exemplary embodiment of the present invention includes a linear groove formed in a direction intersecting with the rolling direction, the groove includes the gradient section and the uniform section on a cross section including the transverse direction of the groove and the rolling surface normal direction of the steel sheet, and a length of the gradient section (GS) and the length of the uniform section (US) satisfy Equation 1 below. 0.1?[GSL]/[USL]?0.5??[Equation 1] In Equation 1, [GSL] represents the length (mm) of the gradient section and [USL] represents the length (mm) of the uniform section.
    Type: Application
    Filed: May 23, 2019
    Publication date: April 21, 2022
    Inventors: Se-Min Park, Seong-Cheol Hong, Hyun-Chul Park, Jung-Moon Kang, Chang-Ho Kim, Won-Gul Lee, Ki-Young Min
  • Patent number: 11277118
    Abstract: A variable gain phase shifter includes an I/Q generator and a vector summation circuit. The I/Q generator generates phase signals based on an input signal. The vector summation circuit adjusts magnitudes and directions of first, second, third and fourth in-phase vectors and first, second, third and fourth quadrature vectors, and generates an output signal by summing the in-phase vectors and the quadrature vectors, based on the phase signals, selection signals and current control signals. The vector summation circuit includes first, second, third and fourth vector summation cells and first, second, third and fourth current control circuits. The first and second vector summation cells adjust the directions of the first and second in-phase vectors and the first and second quadrature vectors. The third and fourth vector summation cells adjust the directions of the third and fourth in-phase vectors and the third and fourth quadrature vectors.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: March 15, 2022
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Song-cheol Hong, Jin-seok Park, Seung-hun Wang, Seung-hoon Kang
  • Patent number: 11254994
    Abstract: A method for refining a magnetic domain of a grain-oriented electrical steel strip is provided, including a steel strip supporting roll position adjusting step of controlling a position of the steel strip in a vertical direction while supporting the steel strip proceeding along a production line, a laser irradiating step of forming a groove on a surface of the steel strip by irradiating a laser beam onto the surface of the steel strip to melt the steel strip, and a detecting step of detecting a defect in the groove formed on the surface of the steel strip while the steel strip proceeds, so as to be able to detect whether the groove is defective by confirming a machining state of a magnetic domain refined groove formed on the surface of the steel strip in a working process.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: February 22, 2022
    Assignee: POSCO
    Inventors: Gyoo-Taek Lee, Ju Seung Lee, Seong-Cheol Hong
  • Publication number: 20220048136
    Abstract: An alien substance removing apparatus according to one embodiment of the present invention may comprise: a hood unit provided adjacent to an electrical steel sheet and for collecting an alien substance generated in the electrical steel sheet by laser irradiation; and a scraping unit coupled to the hood unit and scraping and removing the alien substance attached to one surface of the hood unit facing the electrical steel sheet.
    Type: Application
    Filed: December 11, 2019
    Publication date: February 17, 2022
    Inventors: Seong-Cheol HONG, Ki-Young MIN, Se-Min PARK, Dong-Geun KIM, Oho-Cheal KWON, Chang-Ho KIM, Sang-Uk HA
  • Publication number: 20220040790
    Abstract: A foreign substance collecting apparatus according to one embodiment of the present disclosure may comprise: a collection body unit formed with a suction port through which air including foreign substances flows in and a discharge port through which air removed of the foreign substances is discharged; and a mixing unit provided inside the collection body unit and disposed on a flow passage of the air, and forming a vortex in washing water contained therein by inducing a rotary flow of the air.
    Type: Application
    Filed: September 18, 2019
    Publication date: February 10, 2022
    Inventors: Seong-Cheol HONG, Ki-Young MIN, Se-Min PARK, Dong-Geun KIM, Chang-Ho KIM, Jung-Moon KANG, Oho-Cheal KWON
  • Publication number: 20210381968
    Abstract: Disclosed is an interferometric scattering microscope. The interferometric scattering microscope includes a remote refocusing system adapted to reproduce light collected by a high numerical aperture objective lens using another objective lens and thus can acquire an image of an object in a sample without vertical movement of the objective lens or the sample.
    Type: Application
    Filed: June 7, 2021
    Publication date: December 9, 2021
    Inventors: Seok-Cheol HONG, Il Boem LEE, Minhaeng CHO, Hyeonmin MOON, Jin-Sung PARK
  • Patent number: 11189919
    Abstract: A beam-forming circuit includes a multi mode power amplifier, a variable gain low noise amplifier, a variable gain phase shifter and a first switch circuit. The multi mode power amplifier amplifies a first RF intermediate signal generated based on a first RF input signal to generate a first RF output signal and performs a first transmission gain adjustment function based on a first control signal in a transmission mode. The variable gain low noise amplifier amplifies a second RF input signal to generate a second RF intermediate signal and performs a first reception gain adjustment function based on a second control signal in a reception mode.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: November 30, 2021
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Jinseok Park, Song-Cheol Hong
  • Patent number: 11143673
    Abstract: Disclosed is a camera module inspector of rotating type distributing a load of processing test raw data. In an exemplary embodiment, the camera module inspector of rotating type includes a rotary index table including a plurality of socket units, a plurality of testers arranged around the rotary index table, a plurality of test control processors connected to correspond to the plurality of socket units, respectively, to be fixed on the rotary index table, a network connection unit establishing network connections with respect to the plurality of test control processors, a redundancy check processor processing the test raw data faster than the test control processor, connected to the network connection unit and data controller test raw data requiring a great deal of processing time out of the test raw data generated in the plurality of test control processors to be transmitted to the redundancy check processor through the network connection unit.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: October 12, 2021
    Assignee: ISMEDIA CO., LTD
    Inventors: Seong Cheol Hong, Jong Won Kim, DongChoon Kim
  • Patent number: 11072838
    Abstract: To optimize equipment and processes to enhance magnetic domain refinement efficiency and to enhance workability to improve processing capability, a method of refining a magnetic domain of a grain-oriented electrical steel plate includes zigzag controlling for transferring the steel plate without being inclined in right and left directions along a production line center, steel plate support roll position adjusting for controlling a position of the steel plate in up and down directions while supporting the steel plate, laser beam irradiating for irradiating a laser beam to a surface of the steel plate to melt the steel plate to form a groove in the surface of the steel plate, and removing for absorbing and removing radiant heat due to reflection of the laser beam irradiated to the surface of the steel plate during the laser beam irradiating.
    Type: Grant
    Filed: December 26, 2016
    Date of Patent: July 27, 2021
    Assignee: POSCO
    Inventors: Seung Ho Lim, Do Ryun Lee, Jin Ho Kim, Myung Sik Chun, Gyoo Taek Lee, Seong Cheol Hong
  • Patent number: 11065720
    Abstract: By optimizing equipment and processing, magnetic domain miniaturization efficiency can be increased, workability can be improved, and processing ability can be increased through same. Provided is a method for miniaturizing the magnetic domains of a directional electric steel plate, the method comprising: a steel plate supporting roll position adjusting step of controlling the vertical direction position of a steel plate while supporting the steel plate progressing along a production line; and a laser emitting step of melting the steel plate by emitting a laser beam to form grooves on the surface of the steel plate and a removing steel plate surface step of to remove remaining spatters dropped on the surface of the steel plate after the laser emitting.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: July 20, 2021
    Assignee: POSCO
    Inventors: Seong Cheol Hong, Ki Young Min, Gyoo Taek Lee, Se min Park, Oh Yeoul Kwon, Jae Kyoum Kim
  • Patent number: 11060163
    Abstract: Provided is a method for refining magnetic domains of grain-oriented electrical steel plates including: a steel plate supporting roll position adjusting step of controlling a vertical direction position of the steel plate while supporting the steel plate; a laser radiating step of melting the steel plate by radiating a laser beam to form grooves on the surface of the steel plate; and a setting and maintaining step of setting and maintaining an internal operation environment of a laser room in which the laser radiation is performed, so as to increase magnetic domain refinement efficiency and improve workability by optimizing equipment and processes, thereby increasing the processing capacity.
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: July 13, 2021
    Assignee: POSCO
    Inventors: Seong Cheol Hong, Jae Kyoum Kim, Ki Young Min, Se Min Park, Myung Sik Chun, Gyoo Taek Lee, Oh Yeoul Kwon, Hyun Chui Park
  • Patent number: 11000920
    Abstract: By optimizing equipment and processing, magnetic domain miniaturization efficiency can be increased, workability can be improved, and processing ability can be increased through same.
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: May 11, 2021
    Assignee: POSCO
    Inventors: Gyoo Taek Lee, Myung Sik Chun, Seong Cheol Hong, Ki Young Min
  • Publication number: 20210130922
    Abstract: A method for refining magnetic domains of a grain-oriented electrical steel sheet according to an exemplary embodiment of the present invention includes: a step of preparing a grain-oriented electrical steel sheet; and a step of forming a groove by irradiating a quasi-continuous laser beam of which a duty is from 98.0 to 99.9% on a surface of the grain-oriented electrical steel sheet.
    Type: Application
    Filed: December 20, 2017
    Publication date: May 6, 2021
    Inventors: Oh-Yeoul KWON, Ki-Young MIN, Se-Min PARK, Jong-Tae PARK, Seong-Cheol HONG
  • Publication number: 20210123167
    Abstract: Disclosed herein is a hybrid rag. The hybrid rag includes: removal parts made of microfibers, and configured to remove even foreign materials in scratches; control parts disposed between the removal parts, and configured to provide slips while suppressing the close contact of the removal parts with a surface; and a base part coupled such that the removal parts and the control parts are alternately and successively disposed, and configured to hold the removal parts and the control parts; wherein the removal parts are configured such that the ends of the microfibers thereof are divided and spread upward; and wherein the control parts are configured such that the microfibers thereof are each twisted in one twisted unit in such a manner that each of the microfibers thereof is separated from the base part, is spirally raised and lowered, and is then combined with the base part.
    Type: Application
    Filed: December 9, 2019
    Publication date: April 29, 2021
    Inventor: Yong Cheol HONG