Patents by Inventor Chang-hwan Kim

Chang-hwan Kim 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: 20230301165
    Abstract: A display device includes a display panel, a support film, and a polymer layer. The display panel includes a display area comprising a first area that is bendable, and a non-display area adjacent to the display area. The support film is coupled to a bottom surface of the display panel. The support film includes a first groove overlapping with the first area. The polymer layer is disposed in the first groove. The polymer layer includes a material with higher flexibility than the support film. Angles formed by the top surface of the support film and inner sides of the support film defining the first groove are acute angles.
    Type: Application
    Filed: May 24, 2023
    Publication date: September 21, 2023
    Inventors: Chang Han LEE, Myung Hwan KIM, Sang Yeol KIM, Woo Hyun KIM, Hyo Jin KIM, Kyoung ll MIN, Tae Hyun HUNG, Se Joong SHIN, Ho Ryun CHUNG, Jae cheol CHOI
  • Publication number: 20230263694
    Abstract: The present disclosure relates to a cosmetic device and a cosmetic device which massages skin while a plurality of massage tools rotate eccentrically by operation of a motor is characterized by including an abnormality detector configured to generate an abnormal signal when an abnormality occurs in the motor or each of the plurality of massage tools, and a reverse unit configured to operate according to the abnormal signal, wherein the reverse unit is configured to perform an auto-reverse function of eccentrically rotating the eccentric rotation of the plurality of massage tools at a predetermined angle in an opposite direction.
    Type: Application
    Filed: January 12, 2021
    Publication date: August 24, 2023
    Applicant: LG HOUSEHOLD & HEALTH CARE LTD.
    Inventors: Chang Hwan HYUN, Kyung Won KIM
  • Publication number: 20230265172
    Abstract: The present invention relates to a humanized antibody specific to a Bacillus anthracis protective antigen and a preparation method thereof. An antibody library is created by obtaining a Bacillus anthracis protective antigen antibody of a monkey from immune cells obtained by immunizing a Bacillus anthracis protective antigen, an antibody specific to the Bacillus anthracis protective antigen is selected from the created antibody library, and, on the basis of the antibody, a humanized antibody specific to the Bacillus anthracis protective antigen is finally selected by creating a humanized antibody library against a Bacillus anthracis protective antigen.
    Type: Application
    Filed: July 26, 2021
    Publication date: August 24, 2023
    Inventors: Chi-Ho Yu, Chang-Hwan Kim, Gyeung-Haeng Hur, Seong-Tae Jeong, Dong-Hyun Song, Hae-Eun Joe, Na-Young Kim, Jun-Young Choi, Young-Kee Shin, Hyun-Ho Jeong, Seung-Chul Jun
  • Publication number: 20230262328
    Abstract: An image sensor according to the present disclosure includes a lens configured to receive light, a preliminary operation performer configured to generate position correction information based on a difference between first pixel values, the first pixel values corresponding to pixels of a first micro-lens for the light of a first image received through the lens, and a lens position controller configured to change a position of the lens for a second image on the basis of the position correction information.
    Type: Application
    Filed: June 6, 2022
    Publication date: August 17, 2023
    Applicant: SK hynix Inc.
    Inventors: Jae Hwan JEON, Tae Hyun KIM, Chang Hun CHO, Chang Hee PYEOUN
  • Publication number: 20230234586
    Abstract: A vehicle speed controlling apparatus comprising a driving mode selector configured to receive a selection of a periodic-speed driving mode from a user, a driving strategy control unit including a speed profile generator configured to generate a periodic-speed driving speed profile with a period, an amplitude, and an average speed, and a driving assistance unit configured to output a required torque for a driving motor to follow the periodic-speed driving speed profile.
    Type: Application
    Filed: September 19, 2022
    Publication date: July 27, 2023
    Inventors: Ye Chan Jeong, Sang Joon Kim, Chang Hwan Kim, In Kyu Lee, Young Sun Nam, Doo Hyun Kim, Sung Hoon Yu, Lee Hyoung Cho, Chang Jin Oh, Nam Kwon Lee, Young Eun Kim, Jong Wha Kim, Hyun Kim, Oh Eun Kwon
  • Publication number: 20230235870
    Abstract: A multi-faceted reflective hidden lighting lamp applied to a vehicle may block a portion of external light and repeatedly reflect internal light in two or more steps with a reflective surface on one side surface of a light reflective portion having a triangular sawtooth shape formed on a lens in a direction facing a light source and a transmissive surface on the other side surface thereof in an internal space of the lamp, and form a reflective layer on the reflective surface in painting/deposition/plating processes, a laser perforation process, a masking process, and a film insert process to reduce a color conversion material for the same color conversion effect and increase the utilization of an overlap skin portion of the lens, increasing the light blocking ability for a region other than the region required by regulations in addition to increasing the transmissive/light-receiving ability for the region required by regulations.
    Type: Application
    Filed: August 23, 2022
    Publication date: July 27, 2023
    Inventors: Seung-Pyo HONG, Yun-Min CHO, Chang-Hwan OH, Dong-Joo PARK, Han-Soo PARK, Ju-Hyun KIM, Jung-Woo SHIN
  • Publication number: 20230223308
    Abstract: A package substrate according to an embodiment includes a first substrate; and a first chip mounted on the first substrate; wherein the first substrate includes: a first insulating layer including a first region overlapping the first chip in a vertical direction and a second region other than the first region; and a circuit pattern disposed on the first region and the second region of the first insulating layer; wherein the circuit pattern includes: a pad portion including a first portion disposed on an upper surface of the second region of the first insulating layer, a second portion buried in the first region of the first insulating layer, and a third portion including at least a part buried in the first region of the first insulating layer and connecting between the first portion and the second portion; wherein at least a part of the first chip is disposed in the first region of the first insulating layer; wherein the first region of the first insulating layer surrounds a lower surface and a side surface o
    Type: Application
    Filed: May 26, 2021
    Publication date: July 13, 2023
    Inventors: Nam Heon KIM, Chang Je KIM, Seong Hwan IM
  • Publication number: 20230217763
    Abstract: A display device with a switchable viewing angle includes a timing controller to generate an image data, a data control signal, and a gate control signal, a data driver to generate a data signal using the image data and the data control signal, a gate driver to generate a gate signal and first to third emission signals using the gate control signal, and a display panel including a plurality of subpixels to display an image using the data signal, the gate signal, and the first to third emission signals. The gate driver includes a gate signal generator to generate the gate signal, first emission signal generator to generate the first emission signal, and second and third emission signal generators to generate the second and third emission signals, respectively, using input and output signals of the gate signal generator and input and output signals of the first emission signal generator.
    Type: Application
    Filed: October 30, 2022
    Publication date: July 6, 2023
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Soon-Hwan HONG, Chang-Soo KIM, Seong-Yeong KIM
  • Publication number: 20230217690
    Abstract: A viewing angle switchable display device can include a display panel including first, second, and third sub-pixels, each of the first, second, and third sub-pixels having a first emission area and a second emission area spaced apart from the first emission area; and a lens layer disposed over the display panel and including a first type of lens corresponding to the first emission area and a second type of lens corresponding to the second emission area, in which the first type of lens has a different shape than the second type of lens. Also, the display panel is configured to display an image according to a wide view mode via the first emission area and the first type of lens, and display the image according to a narrow view mode via the second emission area and the second type of lens.
    Type: Application
    Filed: November 28, 2022
    Publication date: July 6, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: Soon-Hwan HONG, Chang-Soo KIM, Sang-Hak SHIN, Cheol-Hwan LEE, Seong-Yeong KIM
  • Patent number: 11690280
    Abstract: A display device includes a display panel, a support film, and a polymer layer. The display panel includes a display area comprising a first area that is bendable, and a non-display area adjacent to the display area. The support film is coupled to a bottom surface of the display panel. The support film includes a first groove overlapping with the first area. The polymer layer is disposed in the first groove. The polymer layer includes a material with higher flexibility than the support film. Angles formed by the top surface of the support film and inner sides of the support film defining the first groove are acute angles.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: June 27, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang Han Lee, Myung Hwan Kim, Sang Yeol Kim, Woo Hyun Kim, Hyo Jin Kim, Kyoung Il Min, Tae Hyun Sung, Se Joong Shin, Ho Ryun Chung, Jae cheol Choi
  • Publication number: 20230190429
    Abstract: The present disclosure relates to an oral irrigator including: a storage unit configured to store water; a pumping unit configured to pump water of the storage unit; a nozzle unit configured to inject the water pressurized by the pumping unit into an oral cavity; and a controller configured to control of the pumping unit, wherein the controller is configured to store a pattern in which an initial stage of gradually increasing load of the pumping unit, a preliminary cleaning stage of maintaining an injection pressure at a first pressure , a full-scale cleaning stage of maintaining the injection pressure higher than the first pressure and a final cleaning stage of maintaining the injection pressure at a third pressure lower than the second pressure and the load of the pumping unit is automatically controlled based on the pattern according to a one-time input of an operation signal.
    Type: Application
    Filed: December 9, 2022
    Publication date: June 22, 2023
    Applicant: LG HOUSEHOLD & HEALTH CARE LTD.
    Inventors: Chang Hwan HYUN, Seon Ung MIN, Eun Mi KIM, Ki Jung KIM
  • Publication number: 20230194239
    Abstract: Proposed are a wafer position detection apparatus and a wafer position detection and correction method using the same. More specifically, proposed is an apparatus for wafer placement teaching for adjusting a position of a wafer disposed on an electrostatic chuck, the apparatus including a laser distance sensor disposed above the electrostatic chuck, and a controller configured to control a robot configured to transfer the wafer. The controller checks a relative position of the electrostatic chuck and the wafer disposed on the electrostatic chuck using the laser distance sensor so that the wafer is transferred to a predetermined position, and teaches the position of the wafer using the checked relative position of the electrostatic chuck and the wafer.
    Type: Application
    Filed: December 15, 2022
    Publication date: June 22, 2023
    Applicant: SEMES CO., LTD.
    Inventors: Chung Woo LEE, Tae Dong PARK, Chang Jun PARK, Jin Hwan KIM
  • Publication number: 20230191362
    Abstract: The present invention relates to a hydrocarbon adsorbent with metal-impregnated zeolite particles having regular mesopores and a manufacturing method therefor. The hydrocarbon adsorbent includes a metal cation and a metal oxide that are impregnated in zeolite particles, in particular, the zeolite particles include regularly formed mesopores having a size of 2 to 10. By adjusting a Si/Al ratio and mesoporosity of the mesopores, a hydrocarbon adsorbent may have increased adsorption capacity for hydrocarbons in a cold-start section and can rapidly oxidize the hydrocarbon upon desorption thereof, thereby reducing the discharge of exhaust gas produced in automobiles and industries.
    Type: Application
    Filed: February 3, 2023
    Publication date: June 22, 2023
    Inventors: Jungkyu Choi, Kwan Young Lee, Eun-Hee Jang, Chang Hwan Kim, Chun Yong Kang
  • Publication number: 20230195321
    Abstract: A storage device and an operating method thereof are provided. Provided is a storage device including, a memory cell, and a storage controller which includes a flash controller that performs a data operation on the memory cell, and a processor that executes an RTOS (Real Time Operating System) for controlling the flash controller, wherein the RTOS communicates with the storage controller and operates in a normal operation mode, the RTOS generates a snapshot data in a debug mode when a defect occurs, the RTOS switches to the debug mode through context switching in the normal operation mode, and the RTOS operates in the normal operation mode, when an urgent work occurs, while performing an operation of generating the snapshot data in the debug mode.
    Type: Application
    Filed: July 18, 2022
    Publication date: June 22, 2023
    Inventors: Sung Jin MOON, Chang Hwan KIM, Young-Sik LEE, Eun Ju CHOI
  • Publication number: 20230183812
    Abstract: The present invention relates to an artificial-intelligence-based cancer diagnosis and cancer type prediction method, and, more particularly, to an artificial-intelligence-based cancer diagnosis and cancer type prediction method, which extracts nucleic acids from a biological sample to acquire sequence information, and thus generate vectorized data on the basis of aligned nucleic acid fragments, and then inputs same into a trained artificial intelligence model to analyze a calculated value. Compared with a conventional method, which uses a step of determining the number of chromosomes on the basis of a read count and utilizes each related value as a normalized value, the artificial-intelligence-based cancer diagnosis and cancer type prediction method according to the present invention generates vectorized data to perform an analysis using an AI algorithm, and thus is useful in that similar effects can be exhibited even when read coverage is low.
    Type: Application
    Filed: November 15, 2021
    Publication date: June 15, 2023
    Inventors: Chang-Seok KI, Eun Hae CHO, Junnam LEE, Jin Mo AHN, Joohyuk SOHN, Gun Min KIM, Min Hwan KIM
  • Publication number: 20230189451
    Abstract: A printed circuit board includes: a first insulating layer; a first circuit layer disposed on one surface of the first insulating layer and including a connection pad; a second insulating layer disposed on the one surface of the first insulating layer and embedding the first circuit layer; a via penetrating through the second insulating layer and connected to the first circuit layer; a metal post disposed on one surface of the second insulating layer and connected to the via; and a hole penetrating through the second insulating layer and exposing at least a portion of the connection pad of the first circuit layer. The metal post is spaced apart from the hole, and protrudes from the second insulating layer.
    Type: Application
    Filed: November 21, 2022
    Publication date: June 15, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Ki Hwan You, Seung Ju Lee, Tae Hun Kim, Chang Gon Kim, Yeon Ji Kim, Young Gon Kim, Ho Kwon Yoon, Eun Seok Kang
  • Publication number: 20230178261
    Abstract: The present invention relates to a constructing method for delaying corrosion of radioactive waste disposal container in concrete disposal vault and, more specifically, to a constructing method for delaying corrosion of radioactive waste disposal container in concrete disposal vault in which backfill, placed to the top, combines pH control capsules, thereby dissolving the pH control capsules in rainwater, and a pH controller, inside, is discharged, thereby preventing decrease of pH of the backfill below 8.5 and delaying corrosion in the disposal containers, upon filling in backfill after placing radioactive waste disposal containers in the concrete vault.
    Type: Application
    Filed: November 24, 2022
    Publication date: June 8, 2023
    Inventors: Hae Ryong JUNG, Min Seok KIM, Chang Min SHIN, Seung Hyun KIM, Hyung Ju YUN, Sang Hwan LEE, Man Ho HAN
  • Publication number: 20230173917
    Abstract: An embodiment alcohol sensing system includes an air duct including a first opening and a second opening, the first opening being opened to an outside of the air duct, and a sensor module connected to the air duct at the second opening, the sensor module including a fan configured to rotate in opposite directions and an alcohol sensor configured to measure an alcohol content in air.
    Type: Application
    Filed: November 2, 2022
    Publication date: June 8, 2023
    Inventors: Seul Ki Jeon, Eung Hwan Kim, Yu Jin Jung, Yeon Su Kim, Chang Won Lee
  • Publication number: 20230176594
    Abstract: Provided is a multi-port gas flow rate control apparatus. The multi-port gas flow rate control apparatus includes a gas supply chamber configured to supply a measurement gas input through one gas inflow channel while allowing the measurement gas to diverge into a plurality of flows, a plurality of gas divergence flow channels each having one side connected to the gas supply chamber and configured to transfer the measurement gas flowing through the gas supply chamber to a plurality of gas sensors, respectively, and a gas measurement chamber configured to accommodate the plurality of gas sensors, including the plurality of gas divergence flow channels configured to connect to the gas supply chamber to the plurality of gas sensors to transfer a gas outflow diverging through the gas supply chamber to the plurality of accommodated gas sensors, and configured to discharge the gas outflow sensed by the plurality of gas sensors.
    Type: Application
    Filed: April 8, 2022
    Publication date: June 8, 2023
    Inventors: Kwang Hyo CHUNG, Chang Geun AHN, Do Hyun KIM, Seung Hwan KIM, Hyung Wook NOH, Hwin Dol PARK, Yong Won JANG, Jae Hun CHOI
  • Publication number: 20230173455
    Abstract: A hydrocarbon adsorbent according to one exemplary embodiment of the present invention includes a beta zeolite containing copper, in which a Si/Al molar ratio of the beta zeolite is 12.5 to 150, and the amount of the copper contained is 1 wt % to 10 wt %.
    Type: Application
    Filed: January 27, 2023
    Publication date: June 8, 2023
    Applicant: Korea University Research and Business Foundation
    Inventors: Chun Yong KANG, Chang Hwan KIM, Jungkyu CHOI, Eunhee JANG, Jin Seong KIM, La Young CHOI