Patents by Inventor Chul Kwon

Chul Kwon 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: 10946483
    Abstract: A laser apparatus may include a spectrum controller and a spectrum modulator. The spectrum controller may control a center wavelength and/or a bandwidth of a spectrum of a laser beam. The spectrum modulator may modulate the spectrum of the laser beam having the center wavelength and/or the bandwidth controlled by the spectrum controller. Thus, the laser beam may have the spectrum optimal for a semiconductor fabrication process. Particularly, the substrate may be accurately diced using the laser beam having the optimal spectrum.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: March 16, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-Chul Kwon, Man-Hee Han
  • Patent number: 10939510
    Abstract: A microwave oven includes a cabinet that defines a cooking chamber and a steam generator within the cooking chamber. The steam generator includes a disk-shaped main body with a water storage volume internal to the main body. The steam generator also includes a connector in operative communication with a motor of the microwave oven. The motor is operable to rotate the disk-shaped main body during a cooking operation of the microwave oven. The steam generator also includes a plurality of vents positioned above the water storage volume. The vents direct steam from the water storage volume into the cooking chamber of the microwave oven appliance during the cooking operation of the microwave oven appliance.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: March 2, 2021
    Assignee: Haier US Appliance Solutions, Inc.
    Inventors: Byung Cheon Lee, Hyuk-chul Kwon
  • Patent number: 10847086
    Abstract: An OLED display device capable of simplifying the configuration of an external compensation circuit and reducing a compensation time is disclosed. The OLED display device includes a display panel including a pixel, a feedback compensator circuit connected to the pixel through a data line and a sensing line of the display panel, the feedback compensator circuit including an error amplifier configured to receive, through a feedback line, a feedback current flowing into the sensing line and a feedback voltage generated by a sensing resistor, from the pixel during a scan period, compare a data input voltage with the feedback voltage to adjust a data output voltage supplied to the pixel through the data line, and set a target current for driving an OLED element in the pixel, and a precharger configured to precharge the feedback compensator circuit at a front part of the scan period.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: November 24, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Yong-Chul Kwon, Jang-Hwan Kim, Dong-Won Park, Jong-Min Park, Joon-Hee Lee
  • Patent number: 10844382
    Abstract: A nucleic acid constructs including a heterologous nucleotide sequence operably linked to a constitutively active promoter; a 5? recombination sequence at a 5? end of the construct and a 3? recombination sequence at a 3? end of the construct, wherein the recombination sequences are configured for homologous recombination into a genome of a microalgal host cell; and optionally a bacterial 5? untranslated region (5?UTR) between the 5? recombination sequence and the promoter, and a bacterial 3? untranslated region (3?UTR) between the 3? recombination sequence and the heterologous nucleotide sequence.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: November 24, 2020
    Assignee: MicroSynbiotiX, Ltd.
    Inventors: Viktor Antonio MacKenzie-Lamb, Simon Porphy Jegathese, Kwang-Chul Kwon
  • Publication number: 20200348716
    Abstract: A method for setting a duplexed board to a master or slave board during initial booting and the board.
    Type: Application
    Filed: December 20, 2018
    Publication date: November 5, 2020
    Inventor: Hyo Chul KWON
  • Publication number: 20200347220
    Abstract: A thermoplastic resin composition of the present invention is characterized by comprising: a base resin containing a rubber-modified vinyl-based graft copolymer, a large-diameter rubber polymer having an average particle size of about 3 to about 8 ?m, and an aromatic vinyl-based copolymer resin; and polyorganosilsesquioxane fine particles having an average particle size of about 0.1 to about 10 ?m. The thermoplastic resin composition is excellent in low gloss, weather resistance, and the like.
    Type: Application
    Filed: December 11, 2018
    Publication date: November 5, 2020
    Inventors: Eun Joo LEE, Yun Jeong YANG, Young Chul KWON, Dong Hyun PARK
  • Publication number: 20200298346
    Abstract: A laser apparatus may include a spectrum controller and a spectrum modulator. The spectrum controller may control a center wavelength and/or a bandwidth of a spectrum of a laser beam. The spectrum modulator may modulate the spectrum of the laser beam having the center wavelength and/or the bandwidth controlled by the spectrum controller. Thus, the laser beam may have the spectrum optimal for a semiconductor fabrication process. Particularly, the substrate may be accurately diced using the laser beam having the optimal spectrum.
    Type: Application
    Filed: July 22, 2019
    Publication date: September 24, 2020
    Inventors: Young-Chul KWON, Man-Hee HAN
  • Patent number: 10733937
    Abstract: An organic light-emitting diode (OLED) display can include a display panel including sub-pixels; a deterioration sensing unit configured to sense a deterioration state of the display panel; a power supply configured to output a high voltage for driving the sub-pixels; and a timing controller configured to: receive a deterioration sensing result including information on the deterioration state of the display panel from the deterioration sensing unit, continuously vary the high voltage based on the deterioration sensing result received from the deterioration sensing unit, and provide the varied high voltage to the sub-pixels.
    Type: Grant
    Filed: September 24, 2018
    Date of Patent: August 4, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Yong-Chul Kwon, Dong-Won Park, Dong-Woo Lee, Joon-Hee Lee
  • Publication number: 20200231799
    Abstract: A thermoplastic resin composition of the present invention comprises: a base resin comprising a rubber modified vinyl-based graft copolymer, a large-diameter rubbery polymer having an average particle size of approximately 3,000-8,000 nm, and an aromatic vinyl-based copolymer resin; and zinc oxide having an average particle size of approximately 0.5-3 ?m and a specific surface area BET of approximately 1-10 m2/g. The thermoplastic resin composition has an excellent low gloss property, antibacterial property and the like.
    Type: Application
    Filed: May 29, 2018
    Publication date: July 23, 2020
    Inventors: Ki Rim LEE, Young Chul KWON, Dong Hui CHU
  • Patent number: 10717858
    Abstract: A thermoplastic resin composition and a molded article produced using the same. The thermoplastic resin composition includes: a styrene-based copolymer resin; a rubber-modified acrylic graft copolymer; a silicone compound-containing branched copolymer; glass fibers; and metal particles, wherein a weight ratio of the branched copolymer to the glass fibers ranges from about 1:1 to about 6:1.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: July 21, 2020
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Min Kyoung Ham, Young Chul Kwon, Yeon Wook Chung, Dong Hui Chu
  • Publication number: 20200216635
    Abstract: The present invention is characterized by including an aromatic vinyl-based copolymer, glass fiber, and zinc oxide, wherein the zinc oxide has an average particle size (D50) of about 0.5 to 3 ?m as measured by a particle size analyzer, and a size ratio (B/A) of peak B, spanning the range of 450 to 600 nm, to peak A, spanning the range of 370 to 390 nm, of about 0.01 to 1.0 when measuring photoluminescence. The thermoplastic resin composition exhibits excellent rigidity, antibacterial properties, weather resistance, external appearance and the like.
    Type: Application
    Filed: August 30, 2018
    Publication date: July 9, 2020
    Inventors: Dong Hui CHU, Gi Sun KIM, Young Chul KWON
  • Publication number: 20200192282
    Abstract: Provided is a method of manufacturing a full-color holographic optical element in a full-color holographic optical element manufacturing apparatus including a lens and a holographic recording medium located farther away than a focal length of the lens, the method including: allowing a signal beam including a mixture of laser beams having wavelengths of R (Red), G (Green), and B (Blue) to be incident on the lens; and recording a hologram in such a manner that a reference beam including a mixture of laser beams having wavelengths of R, G, and B is allowed to be incident on the holographic recording medium, wherein the holographic recording medium is configured with a single medium.
    Type: Application
    Filed: December 20, 2018
    Publication date: June 18, 2020
    Applicant: CHUNGBUK NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Nam KIM, Young Tae LIM, Chang Won SHIN, Ki Chul KWON
  • Patent number: 10657875
    Abstract: A display driving device including: a gate driver configured to provide a first gate selection signal to a first gate line of a display panel to select the first gate line; a source driver configured to provide an image signal corresponding to the first gate line to a source line; an Electrostatic Discharge (ESD) detection circuit configured to receive a power supply voltage, determine whether there is an ESD in the power supply voltage and, when the ESD is detected, generate a first detection signal; and a controller configured to receive the first detection signal to generate a masking signal, wherein the gate driver is configured to receive the masking signal and not provide a second gate selection signal to select a second gate line.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: May 19, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyung-Hoon Chung, Won Sik Kang, Jae Sung Kang, Hyeok Chul Kwon, Si Woo Kim, Su Hyun Yun, Sang Kyu Lee, Ji Hyun Lee, Seng-Sub Chun, Jong Han Choi
  • Publication number: 20200138984
    Abstract: The present invention relates to a superparamagnetic gold nanoparticle cluster-protein nanoparticle fusion body for magnetic resonance imaging and magnetic thermotherapy. According to the present invention, a superparamagnetic gold nanoparticle cluster-protein nanoparticle fusion body which has target directionality and a high density of ultrafine gold nanoparticles uniformly coupled to the surface of protein nanoparticles can be fabricated with neither a separate surface stabilization process nor a separate target directionality conferring process. Hence, the superparamagnetic gold nanoparticle cluster-protein nanoparticle fusion body according to the present invention is superior to conventional gold nanoparticles in terms of biocompatibility and has excellent target directionality as well as being identified to have a temperature elevation potential in an alternating magnetic field and a functionality as a T2-MRI contrast medium thanks to the superparamagnetism property of the ultrafine gold nanoparticles.
    Type: Application
    Filed: July 4, 2018
    Publication date: May 7, 2020
    Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Jeewon LEE, Koo Chul KWON, Eunji JO
  • Patent number: 10643537
    Abstract: An OLED display device capable of preventing luminance deviation caused by a voltage drop of an EVDD is disclosed. The OLED display device generates a reference voltage, a voltage level of which varies with distance from the data driver and supplies the reference voltage to the display panel through the data driver.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: May 5, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Yong-Chul Kwon, Jang-Hwan Kim, Dong-Won Park, Jong-Min Park, Joon-Hee Lee
  • Patent number: 10622811
    Abstract: Disclosed in a stand-alone micro-grid autonomous control system including: at least one battery system directly changing a reference frequency thereof according to a charge amount, and providing power having the changed reference frequency; at least one power generator measuring the reference frequency from the power provided form the at least one battery system, and starting generating power or stopping generating power based on the measured reference frequency; and at least one load measuring the reference frequency from the power provided from the battery system, and performing a synchronization operation or a synchronization releasing operation based on the measured reference frequency.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: April 14, 2020
    Assignee: Korea Electric Power Corporation
    Inventors: Won-Wook Jung, Cheol-Min Chu, Jung-Sung Park, Sang-Yun Yun, Seong-Chul Kwon, Jeong-Hun Kim
  • Publication number: 20200086779
    Abstract: A tufted carpet for automobiles includes: a pile layer including polyethylene terephthalate (PET) bulked continuous filament (BCF); and at least one backing layer, and the bulked continuous filament has a crimp ratio of 14% or more and a cross-sectional modification ratio of 1.9 to 3.4.
    Type: Application
    Filed: May 7, 2019
    Publication date: March 19, 2020
    Inventor: Yong Chul KWON
  • Publication number: 20200071853
    Abstract: A monofilament of a polyethylene terephthalate bulked continuous filament (BCF) has elongation of 5% or more at an initial stress of 1.0 g/d, elongation of 25 to 35% at a medium-term stress of 3.0 g/d, tensile strength of .0 to 6.0g/d, and elongation of 40 to 60%.
    Type: Application
    Filed: November 24, 2018
    Publication date: March 5, 2020
    Inventors: Yong Chul KWON, Seung Taek OH
  • Publication number: 20200067614
    Abstract: An apparatus configured to be employed in a victim transmission reception point (TRP) associated with a new radio (NR) communication system is disclosed. The apparatus comprises a memory interface and a processing circuit. In some embodiments, the processing circuit is configured to process one or more predefined interference signals respectively received from one or more interfering TRPs during a guard period of the victim TRP. In some embodiments, the guard period comprises a time period between a downlink (DL) transmission and an uplink (UL) transmission associated with a time division duplex (TDD) frame of the victim TRP. In some embodiments, the processing circuit is further configured to determine an inter-TRP interference based on the one or more predefined interference signals. In some embodiments, the inter-TRP interference comprises a measurement of a UL interference at the victim TRP from the one or more interfering TRPs.
    Type: Application
    Filed: March 22, 2018
    Publication date: February 27, 2020
    Inventors: Guotong Wang, Yushu Zhang, Qian Ll, Alexei Davydov, Seok Chul Kwon
  • Publication number: 20200021337
    Abstract: Provided herein are a method and an apparatus for interference measurement using a beam management reference signal (BM-RS). The disclosure provides an apparatus for a user equipment (UE), comprising circuitry configured to: decode one or more beam management reference signals broadcasted by a Transmission Reception Point (TRP) in a cell, wherein the one or more beam management reference signals are used by the TRP to perform beam management for respective one or more other UEs in the cell; and measure interference from the one or more other UEs in the cell based on the decoded one or more beam management reference signals. According to some embodiments, the overhead for the interference measurement can be reduced since it is not necessary to allocate a separate CSI-RS for the purpose of interference measurement.
    Type: Application
    Filed: May 2, 2018
    Publication date: January 16, 2020
    Inventors: Guotong Wang, Yushu Zhang, Qian Li, Alexei Davydov, Seok Chul Kwon