Patents by Inventor Chul Park

Chul Park 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: 12266318
    Abstract: A power control device of a display apparatus includes a display panel configured to include a plurality of pixels, a panel driver configured to drive the display panel, a power control unit configured to output a power control signal into which one or more pieces of control command data are encoded, and a power source unit configured to shift an output level of a source voltage needed for an operation of each of the display panel and the panel driver, based on the control command data, wherein the control command data comprises a plurality of control pulses where a logic low period and a logic high period are alternated, and the logic low period is implemented with two or more different lengths.
    Type: Grant
    Filed: September 19, 2023
    Date of Patent: April 1, 2025
    Assignee: LG Display Co., Ltd.
    Inventors: Jung Jae Kim, Dong Won Park, Yong Chul Kwon
  • Publication number: 20250106717
    Abstract: A method of a terminal may comprise: receiving system information including terrestrial cell reselection parameters and on-board cell reselection parameters; determining whether the terminal is in an on-board state with respect to a first base station; and in response to determining that the terminal is in the on-board state with respect to the first base station, performing cell reselection by applying the on-board cell reselection parameters to reception measurement on the first base station.
    Type: Application
    Filed: September 20, 2024
    Publication date: March 27, 2025
    Inventors: Hyung Deug BAE, Sook Yang KANG, Chul PARK, Myungsan BAE, Jaesheung SHIN, Jae Wook SHIN, Sung-Min OH, Kwang Ryul JUNG, You Sun HWANG
  • Publication number: 20250101154
    Abstract: Provided are a method for preparing a catalyst composition for preparing a catalyst composition having improved catalyst activity by pre-treating a hydrogen-bonded lanthanide rare earth element compound and/or an oligomer type of a lanthanide rare earth element compound of Formula 1, which induce the deterioration of the catalyst activity, and a method for preparing a conjugated diene-based polymer using the catalyst composition prepared thereby, wherein all the variables are described herein.
    Type: Application
    Filed: February 15, 2023
    Publication date: March 27, 2025
    Applicant: LG Chem, Ltd.
    Inventors: Seo Won Choi, Tae Chul Lee, Ju Ryang Bae, Dong Hui Kim, Hyun Woong Park, Sung Ho Park
  • Publication number: 20250105595
    Abstract: The present invention relates to a method of manufacturing a photonic integrated device based on single-step active layer epitaxial growth, and the method includes forming, on a substrate, a reference region having a first bandgap and a region having a bandgap, which is red-shifted relative to the first bandgap, through active layer epitaxial growth, and applying a blue-shift to the substrate to form a region having a second bandgap that is blue-shifted relative to the first bandgap.
    Type: Application
    Filed: September 24, 2024
    Publication date: March 27, 2025
    Inventors: O Kyun KWON, Nam Je KIM, Ho Sung KIM, Mi Ran PARK, Seung Chul LEE, Won Seok HAN
  • Publication number: 20250104585
    Abstract: A foldable display device is disclosed that includes a flexible display panel, an optical module, and a deterioration compensator. The flexible display panel includes a folding line, a first display area disposed on a first side of the folding line, and a second display area disposed on a second side of the folding line to display a test image. The optical module is disposed in the first display area and is configured to sense a display luminance of the test image. The deterioration compensator is configured to perform a deterioration compensating operation of the display luminance by a luminance compensation value when the display luminance is less than a target luminance, without performing the deterioration compensating operation when the display luminance is greater than the target luminance.
    Type: Application
    Filed: September 10, 2024
    Publication date: March 27, 2025
    Inventors: HYUNGJIN KIM, MOON-CHUL PARK, YOONSIK PARK, KANGHEE LEE, KYUNGSU LEE, SEOKHA HONG
  • Publication number: 20250104217
    Abstract: A computing device of predicting potential predicting potential defect-inducing factors within a semiconductor layout is provided. The computing device comprising: a machine learning module, calculating predicted measurement data corresponding to at least one first semiconductor layout image among a plurality of semiconductor layout mages after being trained based on the plurality of semiconductor layout images and corresponding real measurement data and an image explanation module generating an attribution map image of the predicted measurement data based on an image regression model utilizing an integrated gradient (IG) manner, analyzing the attribution map image and detecting elements within the attribution map image with attribution values with high sensitivity to the predicted measurement data as potential defect-inducing factors in advance.
    Type: Application
    Filed: July 25, 2024
    Publication date: March 27, 2025
    Inventors: Bo Gyeong Kang, Ye Ji Kim, Min-Chul Park, Byoung Seon Choi, Seong Ryeol Kim, Young-Gu Kim, Jae Myung Choe
  • Patent number: 12258069
    Abstract: An embodiment vehicle body includes a tubular part extended in a longitudinal direction of a vehicle and having a hollow shape, a base part in which the tubular part is inserted, the base part integrally connecting an A pillar to a side portion of a roof, and an outer garnish shaped to be extended in the longitudinal direction along the base part and coupled to the base part to cover the base part.
    Type: Grant
    Filed: September 19, 2022
    Date of Patent: March 25, 2025
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Do Hoi Kim, Sang Sun Park, Ju Chul Kim, Sung Tai Jang
  • Patent number: 12259021
    Abstract: A universal driving device includes a ring gear, a sun gear having a variable inter-axis distance with respect to a rotation shaft of the ring gear, a gear train including a series of gears configured to connect the sun gear and the ring gear, link mechanisms configured to accommodate a change in an inter-axis distance between the sun gear and the ring gear and rotatably connected with respect to each other to continuously maintain a power transmission state between the sun gear and the ring gear, a carrier configured to support a rotation shaft of a final gear engaged with the ring gear, among the gears constituting the gear train, a sun gear bearing positioned between the rotation shaft of the sun gear and each of the link mechanisms, and a sleeve positioned between the sun gear bearing and each of the link mechanisms.
    Type: Grant
    Filed: May 1, 2024
    Date of Patent: March 25, 2025
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Woo Hyun Lim, Ki Seok Kim, Kyoung Chul Min, Jong Sool Park, Dae In Lee, Yeo Hae Lee
  • Patent number: 12261200
    Abstract: A semiconductor device including a device isolation region is provided. The semiconductor device includes first active regions disposed on a substrate, and an isolation region between the active regions. The isolation region includes a first portion formed of a first insulating material, and a second portion formed of a second insulating material, having different characteristics from those of the first insulating material. The first portion is closer to the first active regions than the second portion. The second portion has a bottom surface having a height different from that of a bottom surface of the first portion.
    Type: Grant
    Filed: October 17, 2023
    Date of Patent: March 25, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min-Chul Sun, Dae Won Ha, Dong Hoon Hwang, Jong Hwa Baek, Jong Min Jeon, Seung Mo Ha, Kwang Yong Yang, Jae Young Park, Young Su Chung
  • Patent number: 12262185
    Abstract: An embodiment smart speaker includes a motor configured to rotate a rotary shaft, a speaker housing connected with the rotary shaft, a first speaker mounted on an inclined surface disposed on an upper end of the speaker housing, a second speaker mounted on a vertical surface of the speaker housing, a cover configured to protect the first speaker and the second speaker, and a controller configured to control a rotation of the first speaker and the second speaker using the motor to radiate a sound in at least one target direction.
    Type: Grant
    Filed: August 10, 2022
    Date of Patent: March 25, 2025
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Ki Chang Kim, Dong Chul Park
  • Publication number: 20250097041
    Abstract: There is provided a method for protecting a user data encryption key in a simple authentication environment, performed by a computing system. The method may include encrypting a private key, generated through a key management server, based on a password acquired from login information of a user terminal; receiving an authentication key, generated through the key management server, in response to a simple authentication registration request of the user terminal; decrypting the encrypted private key based on the password acquired from the login information; encrypting the decrypted private key based on the authentication key; and transmitting the encrypted private key to the user terminal.
    Type: Application
    Filed: July 5, 2024
    Publication date: March 20, 2025
    Applicant: SAMSUNG SDS CO., LTD.
    Inventor: Hyun Chul PARK
  • Publication number: 20250089707
    Abstract: An eco-friendly quarantine composition has a function of killing phospholipid enveloped viruses, The eco-friendly quarantine composition includes: 10 to 40 wt. % of polyoxyethylene lauryl ether, 0.01 to 10 wt. % of polyoxyethylene 2-ethylhexyl ether, 0.01 to 10 wt. % of polyoxyethylene polyoxypropylene alkyl ether, and a balance of solvent, based on the total 100 wt. % of the composition. The eco-friendly quarantine composition may have 100% of SARS-CoV-2 virus removal rate in 1 minute and an effect of killing 100% of highly pathogenic avian influenza virus in 1 to 10 minutes. The composition has low cytotoxicity such that IC50 value (%) for human epithelial keratinocyte cells (HaCaT), human bronchial epithelial cells (BEAS-2B), and human monocyte cells (THP-1) is in a range of 0.003 to 0.0045, and effects of having antibacterial activity against non-pathogenic strains, and pathogenic strains.
    Type: Application
    Filed: October 28, 2022
    Publication date: March 20, 2025
    Inventors: JONG MOK PARK, TAE GYU HWANG, BONG KUK SEO, GA YEONG JEONG, MIN JU JEONG, SUNG CHUL KIM
  • Publication number: 20250098079
    Abstract: A support member for a display device includes a first support layer and a second support layer. The first support layer includes a first area, a second area, and a third area between the first area and the second area. The second support layer directly contacts a first surface of the first support layer. The second support layer includes a material different from a material of the first support layer. The second support layer includes a stretchable portion overlapping the third area, and at least one opening is defined in the stretchable portion.
    Type: Application
    Filed: June 20, 2024
    Publication date: March 20, 2025
    Inventors: MINSOK JANG, SUNGGUK AN, HIROTSUGU KISHIMOTO, JONGBIN PARK, CHUL HO JEONG, JUNHUN CHA
  • Publication number: 20250092998
    Abstract: A system for supplying liquefied hydrogen includes: liquefied hydrogen storage tanks each comprising a temperature control unit controlling an internal temperature of the liquefied hydrogen storage tank to maintain an inside of the liquefied hydrogen storage tank at a low pressure; pressure tanks receiving and storing liquefied hydrogen to be supplied to a liquefied hydrogen demand site from the liquefied hydrogen storage tanks, the pressure tanks having a smaller capacity than the liquefied hydrogen storage tanks and maintained at a higher pressure than the liquefied hydrogen storage tanks; a liquefied hydrogen supply line through which liquefied hydrogen is transferred from the pressure tanks to the liquefied hydrogen demand site; and a compressor compressing boil-off hydrogen gas generated in the liquefied hydrogen storage tanks and supplying the compressed boil-off hydrogen gas to the pressure tanks to generate a pressure required for delivery.
    Type: Application
    Filed: August 11, 2022
    Publication date: March 20, 2025
    Inventors: Jong Yeol Yi, Yong Seong Jeon, Jae Hyun Ma, Ji Hoon Joung, Hae Chul Han, Eun Young Yun, Jin Yeong PARK
  • Patent number: 12251195
    Abstract: A core body temperature measurement device includes a body and an operation unit. The body is fixed to an ear canal of user. The operation unit is combined with a front side of the body, and is configured to be exposed to the ear canal or to be concealed inside, and has a sensor part. the sensor part measures a core body temperature of user when the operation unit is exposed to the ear canal.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: March 18, 2025
    Assignee: OSONG MEDICAL INNOVATION FOUNDATION
    Inventors: Jin Woo Ahn, Young Hoon Roh, Ha Chul Jung, Young Jin Kim, Kang Moo Lee, Seung A Lee, Da Hye Kwon, Ha Na Park, A Hee Kim, Song Woo Yoon, Won Jung Choi
  • Publication number: 20250084026
    Abstract: The present disclosure relates to a novel salt of a 1-sulfonyl pyrrole derivative, and to a novel salt having excellent solubility in vivo, stability, bioavailability, and the like, a preparation method thereof, and a pharmaceutical composition comprising the same.
    Type: Application
    Filed: December 14, 2022
    Publication date: March 13, 2025
    Inventors: Hong Chul Yoon, Joon Tae Park, Jung Woo Lee, Kyung Mi An, Chang Hee Hong, Jae Eui Shin, Soo Jin Lee, Hanna Seo, Jae Hong Lee
  • Publication number: 20250085356
    Abstract: The present invention relates to an apparatus for predicting battery lifetime that may predict battery time more accurately by removing errors due to a characteristic of recovering temporary capacity happening intermittently from charge/discharge test data of a battery and a method thereof. The apparatus for predicting battery lifetime in accordance with the present invention comprises: a capacity recovery section-determining unit for determining a temporary capacity recovery section by analyzing charge/discharge test data of a battery; a trend analysis unit for creating alternative data based on test data before and after the temporary capacity recovery section determined by the capacity recovery section-determining unit, and analyzing trend of the test data by reflecting the alternative data; and a lifetime predicting unit for predicting lifetime of the battery based on data outputted from the trend analysis unit.
    Type: Application
    Filed: November 22, 2022
    Publication date: March 13, 2025
    Inventors: Byoung Choul KIM, Sang Hui PARK, Sung Chul JUNG
  • Publication number: 20250089475
    Abstract: A display device includes a substrate, a first transistor including a first active layer disposed on the substrate and a first gate electrode disposed on the first active layer, and a first gate insulating layer disposed between the first active layer and the first gate electrode. The first active layer includes an oxide semiconductor containing indium (In) at a content range of about 40 at % to about 54 at %, and the first gate insulating layer has an emission amount range of oxygen (O2) of about 2.48E+19 Molec./cm3 to about 2.76E+19 Molec./cm3, or an emission amount range of nitrogen monoxide (NO) of about 1.04E+20 Molec./cm3 to about 1.15E+20 Molec./cm3 under heat treatment conditions performed at a temperature range of about 50° C. to about 550° C.
    Type: Application
    Filed: April 15, 2024
    Publication date: March 13, 2025
    Inventors: Geun Chul PARK, So Young KOO, Jong Do KEUM, Eok Su KIM, Hyung Jun KIM, Joon Seok PARK, Ae Ran SONG
  • Patent number: 12246278
    Abstract: A system to collect liquid includes a wavy surface formed on a substrate, where the wavy surface includes a plurality of waves. The plurality of waves are configured to capture liquid from the air such that the liquid accumulates in valleys of the waves. The system also includes a liquid collection container configured to collect the liquid captured on the plurality of waves.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: March 11, 2025
    Assignee: Northwestern University
    Inventors: Yuehan Yao, Youhua Jiang, Kyoo-Chul Park, Christian John Machado
  • Patent number: 12245628
    Abstract: Provided are an external heating-type aerosol generating device and a cigarette used therein. Because heat energy is easily transferred to the cigarette, a sufficient amount of smoke may be provided to a user in initial puffs so that the user may have a satisfactory smoking experience.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: March 11, 2025
    Assignee: KT&G CORPORATION
    Inventors: Ki Jin Ahn, Soo Ho Kim, Jong Yeol Kim, Chang Jin Park, Jin Chul Yang