Patents by Inventor Jung-Hwan Choi

Jung-Hwan 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: 20200266424
    Abstract: The present invention relates to a negative electrode active material including a carbonaceous matrix having a plurality of nano-particles, wherein the nano-particles have a silicon core, an oxide layer disposed on the silicon core and including SiOx (0<x?2), and a coating layer covering at least a portion of the surface of the oxide layer and including LiF.
    Type: Application
    Filed: November 9, 2018
    Publication date: August 20, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Jung Hyun CHOI, Seung Youn CHOI, Eun Kyung KIM, Yong Ju LEE, Rae Hwan JO, Su Min LEE, Dong Hyuk KIM, Se Mi PARK, Il Geun OH
  • Publication number: 20200263003
    Abstract: The present disclosure relates to a polyarylene sulfide resin composition for an automobile headlamp component, a method for producing the same, and an automobile headlamp component manufactured using the same. The polyarylene sulfide resin composition includes: about 45 wt % to about 75 wt % of a polyarylene sulfide resin containing about 300 ppm or less of chlorine; about 24.5 wt % to about 55 wt % of an inorganic filler; about 0.1 wt % to about 1 wt % of a nucleating agent; about 0.05 wt % to about 1 wt % of metal powder; and about 0.1 wt % to about 2.5 wt % of a composite metal hydroxide.
    Type: Application
    Filed: February 17, 2020
    Publication date: August 20, 2020
    Inventors: Jong Su Kim, Seung Yeon Lee, Jung Hwan Lee, Ya Won Kim, Hyeong Geun Oh, Jong Wook Shin, Se Ran Choi
  • Publication number: 20200260569
    Abstract: A rollable display device includes a rollable structure including a plurality of unit structures, the rollable structure being configured to be rolled and unrolled based on the unit structures, and a display panel structure attached to the rollable structure, wherein respective widths of the unit structures increase in a first direction from a first side of the rollable structure to an opposite second side of the rollable structure.
    Type: Application
    Filed: May 1, 2020
    Publication date: August 13, 2020
    Inventors: Jin-Hwan Choi, Min-Sung Kim, Tae-An Seo, Jung-Hun Lee
  • Publication number: 20200255687
    Abstract: Provided is a coating composition having excellent corrosion resistance and fingerprint resistance, and also provides a stainless steel sheet having etching patterns and a manufacturing method therefor, the stainless steel sheet comprising: a stainless steel sheet; a coating layer, which is formed on the stainless steel sheet and is a cured product of the coating composition; and a quenching coated film layer formed on the coating layer and having a quenching effect, wherein: the coating layer, formed by curing the coating composition having excellent corrosion resistance and fingerprint resistance, is transparent and has high gloss, thereby having an effect of enabling the surface characteristics of the stainless steel sheet to be expressed as they are; the stainless steel sheet having etching patterns has excellent corrosion resistance and fingerprint resistance even on the parts thereof on which the etching patterns are not formed.
    Type: Application
    Filed: November 24, 2016
    Publication date: August 13, 2020
    Inventors: Jin-Tae KIM, Ha-Na CHOI, Yang-Ho CHOI, Jung-Hwan LEE, Yon-Kyun SONG, Jong-Kook KIM
  • Patent number: 10740586
    Abstract: Disclosed is an electronic device including a display, a touch recognition sensor that recognizes a touch input on the display; a fingerprint recognition sensor that recognizes a fingerprint input on the display, and a processor coupled to the display, the touch recognition sensor, and the fingerprint recognition sensor, wherein the processor is configured to activate the touch recognition sensor, display at least one user interface that receives the fingerprint input on a fingerprint recognition area of the display, activate at least a portion of the fingerprint recognition sensor, and selectively deactivate a portion of the touch recognition sensor corresponding to the activated portion of the fingerprint recognition sensor.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: August 11, 2020
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Jeong-Ho Cho, Jeong-Min Park, Dong-Hwan Bae, Seung-Geol Baek, Jung-Won Suh, Cheol-Jun Lee, Do-Hyoung Chung, Kyong-Gon Choi
  • Patent number: 10734588
    Abstract: The present invention provides a compound, and an organic electronic element and an electronic device using the same, the compound capable of improving light-emitting efficiency, lowering drive voltage, and increasing lifespan of an element.
    Type: Grant
    Filed: April 14, 2015
    Date of Patent: August 4, 2020
    Assignee: Duk San Neolux Co., Ltd
    Inventors: Jonggwang Park, Ka Young Eom, Hyoung Keun Park, Hyemin Cho, Dae Won Lee, Jung Hwan Park, Yeon Hee Choi, Seung Won Yeo
  • Publication number: 20200243836
    Abstract: The present invention relates to a method of preparing a negative electrode active material which includes forming a mixture by mixing Li2O and SiOx(0<x<2) particles including SiO2, forming a reaction product by performing a heat treatment on the mixture at 400° C. to 600° C., and removing a portion of lithium silicate in the reaction product by washing the reaction product.
    Type: Application
    Filed: October 19, 2018
    Publication date: July 30, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Il Geun OH, Eun Kyung KIM, Yong Ju LEE, Rae Hwan JO, Su Min LEE, Jung Hyun CHOI, Dong Hyuk KIM, Se Mi PARK
  • Publication number: 20200243123
    Abstract: A method of controlling on-die termination (ODT) in a multi-rank system including a plurality of memory ranks is provided. The method includes: enabling ODT circuits of the plurality of memory ranks into an initial state when the multi-rank system is powered on; enabling the ODT circuits of a write target memory rank and non-target memory ranks among the plurality of memory ranks during a write operation; and disabling the ODT circuit of a read target memory rank among the plurality of memory ranks while enabling the ODT circuits of non-target memory ranks among the plurality of memory ranks during a read operation.
    Type: Application
    Filed: April 14, 2020
    Publication date: July 30, 2020
    Inventors: YOUNG-HOON SON, SI-HONG KIM, CHANG-KYO LEE, JUNG-HWAN CHOI, KYUNG-SOO HA
  • Publication number: 20200239036
    Abstract: Provided is a hypertube transport system. Specifically, provided are a magnetically-levitated train and an infrastructure-system in which same travels, comprising: refrigerant for cooling compressed air of a hypertube train, and a compressed air cooling system utilizing the refrigerant; an apparatus and method for controlling trains operating in a vacuum tube; superconducting switches for superconducting magnets for magnetic levitation; a driving stability apparatus for the hypertube transport system; a control apparatus for trains of the hypertube transport system; and an energy harvester.
    Type: Application
    Filed: August 28, 2018
    Publication date: July 30, 2020
    Inventors: Kwan Sup LEE, Young Jun JANG, Jae Hoon KIM, Chang Young LEE, Lee Hyeon KIM, Min Hwan OK, Jeong Min JO, Jin Ho LEE, Jung Youl LIM, Jae Heon CHOE, Su Yong CHOI
  • Patent number: 10725682
    Abstract: A memory module includes a plurality of semiconductor memory devices associated with a same module board. The plurality of semiconductor memory devices configured to simultaneously perform a training operation, the plurality of semiconductor memory devices including a reception interface circuit configured to perform the training operation to search for selected equalization coefficients of an equalizer based on a training pattern from a memory controller, and transmit a training information signal to the memory controller in a training mode in response to a training command from the memory controller, the training information signal including the selected equalization coefficients.
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: July 28, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Wang-Soo Kim, Jung-Hwan Choi, Ki-Duk Park, Yoo-Chang Sung, Jin-Sung Youn, Chang-Kyo Lee, Ju-Ho Jeon, Jin-Seok Heo
  • Publication number: 20200235463
    Abstract: Disclosed is an electronic device, which includes a housing, a display that is exposed through a first region of a front surface of the housing, a first antenna radiator that is positioned within the housing, and a communication circuit that is positioned within the housing. The display includes a pixel layer including pixels and a conductive sheet layer under the pixel layer. The conductive sheet layer includes a first conductive region, a second conductive region, and a slit interposed between the first conductive region and the second conductive region. The first antenna radiator is electrically connected with the first conductive region of the conductive sheet layer. The communication circuit receives a signal in a specified frequency band through the first antenna radiator and the first conductive region. Above this, various embodiments figured out through the specification are possible.
    Type: Application
    Filed: August 30, 2018
    Publication date: July 23, 2020
    Inventors: Do Hun CHA, Jung Sik PARK, Se Hwan CHOI
  • Patent number: 10721816
    Abstract: A rollable display device includes a rollable structure including a plurality of unit structures, the rollable structure being configured to be rolled and unrolled based on the unit structures, and a display panel structure attached to the rollable structure, wherein respective widths of the unit structures increase in a first direction from a first side of the rollable structure to an opposite second side of the rollable structure.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: July 21, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Hwan Choi, Min-Sung Kim, Tae-An Seo, Jung-Hun Lee
  • Patent number: 10712928
    Abstract: An electronic device and a method of operating the electronic device are provided. The electronic device includes a rotating input module, a display, and a processor configured to detect an event, detect an interaction by the rotating input module, determine a first object associated with the event based on the interaction, and display, on the display, a visual effect associated with the first object.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: July 14, 2020
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Hankyung Jo, Minsun Kim, Sora Kim, Pilwon Kim, Hyunjoo Kim, Kwangha Jeon, Jung-Won Choi, Seung Hwan Hong
  • Patent number: 10695390
    Abstract: The present invention relates to: a composition comprising a Sicyos angulatus extract or a fraction thereof as an effective ingredient for preventing, alleviating, or treating liver diseases; and a method for preventing or treating liver diseases, comprising a step of administering the composition to a subject suspected of having a liver disease.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: June 30, 2020
    Assignee: KOREA RESEARCH INSTITUTE OF BIOSCIENCE AND BIOTECHNOLOGY
    Inventors: Chul Ho Lee, Yong-Hoon Kim, Jung Ran Noh, Dong Hui Choi, Jung Hwan Hwang, Kyoung Shim Kim, Yun-Jung Seo, In-Bok Lee, Jung-Hyeon Choi
  • Patent number: 10696858
    Abstract: An ink composition for a printed steel sheet, having excellent adhesion to a steel sheet, processability, solvent resistance, and the like, a method for manufacturing a printed steel sheet using the same, and a printed steel sheet manufactured thereby, are provided. The ink composition for a steel material includes 10 to 30 parts by weight of a mixture of a urethane acrylate oligomer and another type of acrylate oligomer different from the urethane acrylate oligomer, 65 to 80 parts by weight of a radiation curable monomer which is a mixture of a monofunctional radiation curable monomer and a di- or more functional radiation curable monomer, 1 to 10 parts by weight of a photoinitiator, and 0.01 to 10 parts by weight of an adhesion promoter.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: June 30, 2020
    Assignees: POSCO, INKTEC CO., LTD.
    Inventors: Ha-Na Choi, Kyung-Pyo Yu, Jin-Tae Kim, Chan-Hee Park, Jung-Hwan Lee, Yon-Kyun Song
  • Patent number: 10698447
    Abstract: A rollable display device includes a rollable display and a first protection film disposed on a first surface of the rollable display. The first protection film extends beyond a first display edge of the rollable display. The rollable display device further includes a second protection film disposed on a second surface of the rollable display facing the first surface of the rollable display. The second protection film extends beyond the first display edge of the rollable display. The rollable display device additionally includes a first adhesive layer disposed between the rollable display and the first protection film. The rollable display device further includes second adhesive layer disposed between the rollable display and the second protection film, and a first adhesion part disposed adjacent to the first display edge of the rollable display and between the first protection film and the second protection film.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: June 30, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Tae An Seo, Min-Sung Kim, Jung Hun Lee, Jin Hwan Choi
  • Patent number: 10692554
    Abstract: A method of controlling on-die termination (ODT) in a multi-rank system including a plurality of memory ranks is provided. The method includes: enabling ODT circuits of the plurality of memory ranks into an initial state when the multi-rank system is powered on; enabling the ODT circuits of a write target memory rank and non-target memory ranks among the plurality of memory ranks during a write operation; and disabling the ODT circuit of a read target memory rank among the plurality of memory ranks while enabling the ODT circuits of non-target memory ranks among the plurality of memory ranks during a read operation.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: June 23, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-Hoon Son, Si-Hong Kim, Chang-Kyo Lee, Jung-Hwan Choi, Kyung-Soo Ha
  • Patent number: 10687418
    Abstract: A rollable display device includes a rollable structure including a plurality of unit structures, the rollable structure being configured to be rolled and unrolled based on the unit structures, and a display panel structure attached to the rollable structure, wherein respective widths of the unit structures increase in a first direction from a first side of the rollable structure to an opposite second side of the rollable structure.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: June 16, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Hwan Choi, Min-Sung Kim, Tae-An Seo, Jung-Hun Lee
  • Patent number: 10681270
    Abstract: An electronic device comprises a camera; a sensor configured to sense a motion; and one or more processors, wherein the one or more processors are configured to: sequentially acquire a plurality of images using the camera and acquire motion information of the plurality of images using the sensor, during a specified time; create a panoramic image with a first image sub-set comprising a portion of the plurality of images and a second image sub-set comprising another portion of the plurality of images, and moving picture data related to the panoramic image; and determine whether to correct at least a partial section of the moving picture data using a particular image from the second image sub-set that corresponds to the at least the partial section of the moving picture data, based on the frame rate of the at least the partial section of the moving picture data.
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: June 9, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yoon Jeong Heo, Ievgen Zaichuk, Ki Hwan Choi, Jin Joo Park, Stephanie Kim Ahn, Si Hyoung Lee, Ji Yoon Park, Jung Eun Lee
  • Publication number: 20200176467
    Abstract: A vertical memory device may include a channel connecting pattern on a substrate, gate electrodes spaced apart from each other in a first direction on the channel connecting pattern, and a channel extending in the first direction through the gate electrodes and the channel connecting pattern. Each of the electrodes may extend in a second direction substantially parallel to an upper surface of the substrate, and the first direction may be substantially perpendicular to the upper surface of the substrate. An end portion of the channel connecting pattern in a third direction substantially parallel to the upper surface of the substrate and substantially perpendicular to the second direction may have an upper surface higher than an upper surface of other portions of the channel connecting pattern except for a portion thereof adjacent the channel.
    Type: Application
    Filed: July 19, 2019
    Publication date: June 4, 2020
    Inventors: Ji-Hoon Choi, Sung-Gil Kim, Jung-Hwan Kim, Chan-Hyoung Kim, Woo-Sung Lee