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: 20200343544
    Abstract: The present invention relates to a negative electrode active material including a spherical carbon-based particle, and a carbon layer disposed on the spherical carbon-based particle and including a nano-particle, wherein the nano-particle has 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: October 29, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Jung Hyun CHOI, Yong Ju LEE, Eun Kyung KIM, Rae Hwan JO, Su Min LEE, Dong Hyuk KIM, Se Mi PARK, Il Geun OH
  • Publication number: 20200341071
    Abstract: Disclosed is a method and a battery management system for calibrating a state of charge of a battery. The method includes measuring a terminal voltage and a current of the battery, storing a measured voltage value indicating the terminal voltage and a measured current value indicating the current in a memory, updating a state of charge of the battery based on the measured current value, estimating an open-circuit voltage of the battery based on a first number of measured voltage values and a first number of measured current values in the order stored in the memory, storing an estimated voltage value indicating the open-circuit voltage in the memory, and calibrating the updated state of charge with a reference state of charge when a calibration condition is satisfied by a data set in which a second number of estimated voltage values sequentially stored in the memory are arranged in sequential order.
    Type: Application
    Filed: December 13, 2018
    Publication date: October 29, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Tae-Kyu KANG, Myeong-Hui PARK, Jung-Hwan CHOI
  • Publication number: 20200326865
    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: Application
    Filed: June 29, 2020
    Publication date: October 15, 2020
    Applicant: 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: 20200324519
    Abstract: A composite material steel sheet comprises: at least one steel sheet, and a resin-impregnated paper composite layer, wherein the resin-impregnated paper composite layer may comprise stacked sheets of paper, and impregnated resin provide adhesion between the sheets of paper in contact with each other.
    Type: Application
    Filed: December 6, 2018
    Publication date: October 15, 2020
    Inventors: Jin-Tae KIM, Myung-Soo KIM, Jung-Hwan LEE, Ha-Na CHOI
  • Publication number: 20200321530
    Abstract: The present invention provides an organic electroluminescent element and electronic device thereof, wherein the organic electroluminescent element comprises the compound represented by Formula 1 as material for an emission-auxiliary layer, and by comprising the compound represented by Formula 1 in the emission-auxiliary layer, the driving voltage of the organic electroluminescent element can be lowered, and the luminous efficiency and life time of the organic electroluminescent element can be improved.
    Type: Application
    Filed: December 17, 2018
    Publication date: October 8, 2020
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Se Hoon LEE, Yun Suk LEE, Jung Hwan PARK, Jung Wook LEE, Sun Hee LEE, Tae Seop CHOI, Hyun Ji OH
  • Publication number: 20200306793
    Abstract: Provided is a surface-treated metallic material with easy control of glossiness and a manufacturing method therefor, the surface-treated metallic material comprising: a metallic material; and a coating layer which is formed on at least one side of the metallic material and on which an ultraviolet curable coating composition is cured, wherein the coating layer consists of a plurality of protrusions, which have a volume of 3 to 16 pico liters and are arranged at a density of 5 to 610 per 1 mm2 of the metallic material. As such, the surface-treated steel sheet is excellent in adhesion, scratch resistance and corrosion resistance, and has easy control of glossiness.
    Type: Application
    Filed: November 23, 2016
    Publication date: October 1, 2020
    Inventors: Jung-Hwan LEE, Ha-Na CHOI, Jin-Tae KIM, Yon-Kyun SONG, Bong-Woo HA
  • Publication number: 20200313173
    Abstract: A negative electrode active material which includes a core including SiOx (0<x<2), a shell disposed on the core and includes lithium silicate, and a coating layer disposed on the shell and includes carbon nanotubes. Also, a method of preparing a negative electrode active material as well as a negative electrode and a battery including the same.
    Type: Application
    Filed: October 19, 2018
    Publication date: October 1, 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: 20200302108
    Abstract: A method is provided including: displaying a first content; detecting, by an electronic device, an output condition; and in response to the output condition, outputting, by the electronic device, a second content that that is associated with the first content. Furthermore, an electronic device is provided including: a memory configured to store content; and a processor configured to: display a first content; detect, by an electronic device, an output condition; and in response to the output condition, output a second content that that is associated with the first content.
    Type: Application
    Filed: June 10, 2020
    Publication date: September 24, 2020
    Inventors: Ji Hyun KIM, Jung Sic SUNG, Chul Hwan LEE, Jeong Hun KIM, Ji Hea PARK, Se Jun SONG, Yo Han LEE, Young Keun CHOI
  • Patent number: 10780494
    Abstract: Disclosed is a method for manufacturing a metallic nanowire transparent electrode, including generating a metallic nanowire and chemically reducing the metallic nanowire to connect adjacent metallic nanowires.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: September 22, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Hwan Choi, Jung Yong Lee, Tae Woong Kim, Jae Ho Ahn
  • Publication number: 20200292661
    Abstract: A radar apparatus includes an antenna device including a first transmitting antenna, a second transmitting antenna, and a receiving antenna, a transceiver configured to transmit a transmission signal through one of the first transmitting antenna and the second transmitting antenna and receive a reflection signal reflected on an object through the receiving antenna, and a controller configured to process the reflection signal received through the receiving antenna to obtain information on the object, wherein the controller controls the transceiver to receive the reflection signal through the second transmitting antenna and the receiving antenna when the transmission signal is transmitted through the first transmitting antenna.
    Type: Application
    Filed: December 16, 2019
    Publication date: September 17, 2020
    Inventors: Han Byul Lee, Jung Hwan Choi
  • Publication number: 20200283885
    Abstract: The present invention relates to a zirconium alloy cladding with improved oxidation resistance at a high temperature and a method of manufacturing the same. More particularly, the zirconium alloy cladding includes a zirconium alloy cladding; and a Cr—Al thin film coated on the cladding, wherein the thin film is deposited through arc ion plating and the content of Al in the thin film is 5% by weight to 20% by weight.
    Type: Application
    Filed: November 14, 2018
    Publication date: September 10, 2020
    Inventors: Jung Hwan PARK, Hyun Gil KIM, Yang II JUNG, Dong Jun PARK, Byoung Kwon CHOI, Young Ho LEE, Jae Ho YANG
  • Publication number: 20200287559
    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: Application
    Filed: May 21, 2020
    Publication date: September 10, 2020
    Inventors: TAE AN SEO, Min-Sung Kim, Jung Hun Lee, Jin Hwan Choi
  • Publication number: 20200280198
    Abstract: The present invention relates to an electronic device, and to a method for controlling a connection between an electronic device and a charging device, and a device for providing the same.
    Type: Application
    Filed: May 31, 2017
    Publication date: September 3, 2020
    Inventors: Soon-Youl KWON, Kyoung-Won KIM, Seong-Eun KIM, Jung-Sik PARK, Yu-Min CHO, Se-Hwan CHOI, Kyung-Jung KIM, Hyun-Ju HONG
  • Patent number: 10763242
    Abstract: A semiconductor package includes a first layer of one or more first semiconductor chips each having a first surface at which one or more first pads are exposed, a second layer of one or more second semiconductor chips disposed over the first layer and each having a second surface at which one or more second pads are exposed, and a first redistribution layer between the first layer and the second layer and electrically connected to the one or more first pads. The first layer may include one or more first TPVs extending through a substrate (panel) of the first layer and electrically connected to the first redistribution layer.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: September 1, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-Hoon Son, Jung-Hwan Choi, Seok-Hun Hyun
  • Patent number: 10763493
    Abstract: The present invention relates to a silicon-based active material-polymer composite which is secondary particles in which silicon-based particles as primary particles and conductive polymer particles having a modulus of elasticity of 10 Pa to 100 Pa at a temperature of 20° C. to 40° C. are uniformly mixed. The uniform mixture with the elastic conductive polymer particles provides for a buffering action against the stress generated by volumetric changes of the silicon-based particles.
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: September 1, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Rae Hwan Jo, Eun Kyung Kim, Yong Ju Lee, Su Jin Park, Hyun Chul Kim, Jung Hyun Choi
  • 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: 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: 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
  • 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
  • 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