Patents by Inventor Hyun Young Choi

Hyun Young 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: 20240180041
    Abstract: The present invention relates to a heterojunction semiconductor substrate having excellent dielectric properties, a method of manufacturing the same, and an electronic device using the same. The present invention provides a heterojunction semiconductor substrate with improved interlayer adhesion, low leakage current, and excellent dielectric properties that maintain strength in a ferroelectric fatigue experiment by interposing a metal layer and a conductive metal oxide layer on a semiconductor substrate to form an epitaxial oxide thin film layer composed of perovskite piezoelectric oxide. The heterojunction semiconductor substrate can be applied to sensors, actuators, transducers, or MEMS devices that use the high functionality of the high-quality epitaxial oxide thin film layer, including applications in electronic and optical devices.
    Type: Application
    Filed: November 29, 2023
    Publication date: May 30, 2024
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Seung Hyub BAEK, Soo Young JUNG, Sunghoon HUR, Ji-Soo JANG, Jungho YOON, Hyun-Cheol SONG, Seong Keun KIM, Chong Yun KANG, Ji-Won CHOI, Jin Sang KIM
  • Publication number: 20240170266
    Abstract: The present invention provides a component for a semiconductor device fabrication apparatus, a semiconductor device fabrication apparatus including the same, and a method of fabricating a semiconductor device, wherein the component includes single-crystal silicon, wherein, on at least one surface thereof, a water contact angle is 45° to 74° and a diiodomethane contact angle is 41° to 57°.
    Type: Application
    Filed: November 17, 2023
    Publication date: May 23, 2024
    Inventors: Hyun Soo LEE, Hae Mi KANG, Do Hyun CHOI, Il Gu YONG, Jong Kyu LEE, Ho Geun HAN, Ju Young SONG
  • Publication number: 20240149751
    Abstract: A dual release actuator for a vehicle seat includes a motor, a cable carrier configured to receive power of the motor, thereby rotating to selectively pull one of two different cables, a Hall sensor to sense rotation of the motor, and a controller configured to count a sensing pulse of the Hall sensor for controlling rotation of the motor.
    Type: Application
    Filed: May 17, 2023
    Publication date: May 9, 2024
    Inventors: Jae Wook Kim, Sang Soo Lee, Deok Soo Lim, Hyun Wook Lim, Sang Ho Lee, Sang Hark Lee, Hak Cheol Lee, Deok Ki Kim, Byeong Deok Choi, Hoe Cheon Kim, Hwa Young Mun, Seung Yeop Lee, Cheol Hwan Yoon, Jung Bin Lee, Byung Ju Kang
  • Publication number: 20240148923
    Abstract: A sterilization device includes a housing; a sterilization unit which emits germicidal light for sterilization of at least one target area to be sterilized; and a drive unit which moves at least a part of the sterilization unit between the outside and inside of the housing through an opening provided in the housing.
    Type: Application
    Filed: January 11, 2024
    Publication date: May 9, 2024
    Inventors: Hyun Woo Choi, Sang Hyoung Lee, Woo Yeong Son, Jong Woon Kim, Hae Ryun Lee, Man Young Chun, Dong Hwan Sin
  • Publication number: 20240145674
    Abstract: Provided is a positive electrode active material including a plurality of crystallites A, wherein the plurality of crystallites A has a crystallite long-axis orientation degree DoA represented by Equation 1 below is 0.5 to 1, and a crystallite c-axis orientation degree represented by a cross product value of a c-axis rotation vector Rc of a crystal lattice of a crystallite obtained by electron backscatter diffraction (EBSD) analysis and a position unit vector P? of the crystallite is 0.5 to 1. A proportion of the plurality of crystallites A is 25% to 80% with respect to a total number of crystallites in a cross-section of a positive electrode active material. Further provided is a positive electrode and a lithium secondary battery including the positive electrode active material.
    Type: Application
    Filed: March 22, 2022
    Publication date: May 2, 2024
    Applicants: LG Chem, Ltd., LG Chem, Ltd.
    Inventors: Won Sig Jung, Hwan Young Choi, Hyun Ah Park, Hyeon Hui Baek, Jong Pil Kim
  • Publication number: 20240139362
    Abstract: A sterilization apparatus includes a housing; a sterilization unit for irradiating, with sterilization light, at least one region to be sterilized; and a driving unit for moving the sterilization unit into and out of the housing via an opening of the housing and rotating the sterilization unit about a rotation axis.
    Type: Application
    Filed: January 11, 2024
    Publication date: May 2, 2024
    Inventors: Hyun Woo Choi, Sang Hyoung Lee, Jong Min Lee, Jong Woon Kim, Hae Ryun Lee, Man Young Chun, Hye Jin Park
  • Publication number: 20240143114
    Abstract: A driving circuit includes: a display driver to generate a horizontal synchronization signal and a vertical synchronization signal according to a first clock signal of a first oscillator; a sensor driver to generate a touch signal according to a second clock signal of a second oscillator; and a determination circuit to detect a cycle of at least one of the horizontal synchronization signal or the vertical synchronization signal according to the second clock signal, and output a detection signal when the cycle is out of a range. The determination circuit is a part of the display driver or the sensor driver.
    Type: Application
    Filed: June 26, 2023
    Publication date: May 2, 2024
    Inventors: Jun Young KO, Tae Hyeon YANG, Han Su CHO, Tae Joon KIM, Hyun Wook CHO, Jae Woo CHOI
  • Patent number: 11974388
    Abstract: A circuit board, according to an embodiment, comprises: a first insulating layer; a second insulating layer disposed on one surface of the first insulating layer; and a third insulating layer disposed on the other surface of the first insulating layer. A circuit pattern is disposed on at least one insulating layer from among the first to third insulating layers, at least one insulating layer from among the first to third insulating layers comprises glass fiber, at least one insulating layer from among the first to third insulating layers does not comprise glass fiber, and the thicknesses of the first to third insulating layers are different from each other.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: April 30, 2024
    Assignee: LG Innotek Co., Ltd.
    Inventors: Byeong Kyun Choi, Min Young Hwang, Hyun Gu Im
  • Publication number: 20240128552
    Abstract: A pouch-type battery case according to an embodiment of the invention may accommodate an electrode assembly, in which electrodes and separators are alternately stacked. The pouch-type battery case may include: a pair of recess parts, each of which has a recessed shape; a pair of terraces that are disposed around the pair of recess parts and are inclined downward in a direction closer to each other in a state; in which the battery case is unfolded; and a bridge disposed between the pair of recess parts, configured to connect the pair of recess parts to each other, having a pair of connection surfaces formed to be inclined upward from a bottom surface of each of the pair of recess parts in a direction closer to each other. In the state in which the battery case is unfolded, an angle formed by the pair of terraces may be an obtuse angle.
    Type: Application
    Filed: April 5, 2022
    Publication date: April 18, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Hyun Beom Kim, Min Kyu Min, Kyu Hyun Choi, Gi Man Kim, Dae Hong Kim, Se Young Oh
  • Publication number: 20240122025
    Abstract: A display device includes: a pixel defining layer defining openings arranged in first and second directions, the openings forming emission areas in which light emitting elements are disposed to emit light of different colors; a light blocking layer disposed on the pixel defining layer, and defining holes, each overlapping the opening and having a larger diameter than the opening; and color filters disposed on the light blocking layer to overlap the holes and overlap the emission areas. The opening has an opening interval, which is defined as a difference in diameter between the overlapping hole and the opening, in the openings, among homogeneous openings in which the light emitting elements for emitting light of the same color are disposed, the homogeneous openings adjacent in the first or second direction have different opening intervals, and among the homogeneous openings, openings having different opening intervals are at least three types.
    Type: Application
    Filed: May 2, 2023
    Publication date: April 11, 2024
    Inventors: Chan Young KIM, Yeong Ho LEE, Ha Seok JEON, Jun Hee LEE, Choong Youl IM, Hyun Duck CHO, Kook Hyun CHOI
  • Publication number: 20240120224
    Abstract: A semiconductor manufacturing equipment may include a process chamber for treating a substrate; a front-end module including a first transfer robot, wherein the first transfer robot may be configured to transport the substrate received in a container; a transfer chamber between the front-end module and the process chamber, wherein the transfer chamber may be configured to load or unload the substrate into or out of the process chamber; and a cassette capable of receiving a replaceable component capable of being used in the process chamber. The front-end module may include a seat plate configured to move in a sliding manner so as to retract or extend into or from the front-end module. The cassette may be configured to be loaded into the front-end module while the cassette is seated on the seat plate.
    Type: Application
    Filed: September 12, 2023
    Publication date: April 11, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jin Hyuk CHOI, Beom Soo HWANG, Kong Woo LEE, Myung Ki SONG, Ja-Yul KIM, Kyu Sang LEE, Hyun Joo JEON, Nam Young CHO
  • Publication number: 20240117153
    Abstract: A sandwich panel for an automobile includes a core layer, a surface layer, and an adhesive layer. The core layer includes glass fibers and thermoplastic resins and defines an optimal weight and thickness to provide flexural performance and non-flammability. The sandwich panel provides a flame barrier layer, which is a non-combustible layer during ignition and prevents flame from leaking to the outside of the panel.
    Type: Application
    Filed: April 7, 2023
    Publication date: April 11, 2024
    Inventors: Duck Hyoung HWANG, Hyun Jun KIM, Hyo Sang AHN, Sang Hyun RHO, Suk JANG, Myung LEE, Da Young YU, Hyun Jin CHOI, Do Hyoung KIM, Chan Ho JUNG
  • Publication number: 20240109987
    Abstract: The present disclosure relates to a polyethylene resin composition capable of improving transparency and moisture barrier properties without deterioration in physical properties of a film, and a film including the same, wherein the polyethylene resin composition comprises a nucleating agent and a lubricant both containing a cation of a same metal selected from Group 2 or Group 12 metals.
    Type: Application
    Filed: August 31, 2022
    Publication date: April 4, 2024
    Applicants: LG Chem, Ltd., LG Chem, Ltd.
    Inventors: Hyun Mook Jeong, Dodam Kim, Yi Young Choi, Hee Su Oh
  • Patent number: 11950476
    Abstract: A display device includes a substrate; a transistor disposed on the substrate; a first insulating layer disposed on the transistor; and a first pixel electrode and a second pixel electrode disposed on the first insulating layer to be adjacent to each other. The first insulating layer includes a first opening between the first pixel electrode and the second pixel electrode.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: April 2, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun Ho Choi, Chun Gi You, Seong Kweon Heo, Eun Young You, Hyun Jin Hong
  • Publication number: 20240097251
    Abstract: An embodiment of the present invention relates to a cylindrical secondary battery in which a positive electrode terminal is adhered and fixed to a cylindrical can by an insulating sheet, and thus sealing between the cylindrical can and the positive electrode terminal can be facilitated due to an increased contact area.
    Type: Application
    Filed: March 29, 2022
    Publication date: March 21, 2024
    Inventors: Hyun Ki JUNG, Byung Chul PARK, Gun Gue PARK, Gwan Hyeon YU, Jin Young MOON, Kyung Rok LEE, Myung Seob KIM, Sung Gwi KO, Woo Hyuk CHOI
  • Publication number: 20240083410
    Abstract: Disclosed are a hybrid electric vehicle and a method for controlling an engine speed of a hybrid electric vehicle. In particular, the method includes: determining, when an engine on one end and a first motor are directly connected and while driving in a state where an engine clutch is connected and a second motor is connected to the other end, a compensation value based on the difference in the rotational speed of the engine and the second motor when a control entry is caused, which induces the rotational speed mismatch of the engine and the second motor; and compensating an output torque of the first motor based on the compensation value.
    Type: Application
    Filed: January 25, 2023
    Publication date: March 14, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Seo Ho Lee, Hyun Jin Park, Jae Young Choi, Kwon Chae Chung
  • Publication number: 20240090321
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure, an organic electroluminescent device having improved driving voltage, power efficiency and/or lifetime characteristics compared to conventional organic electroluminescent devices can be provided.
    Type: Application
    Filed: July 17, 2023
    Publication date: March 14, 2024
    Inventors: So-Young JUNG, Hyun-Ju KANG, Sang-Hee CHO, Tae-Jun HAN, Hyo-Nim SHIN, Eun-Joung CHOI
  • Publication number: 20240083412
    Abstract: Disclosed is a hybrid electric vehicle and a method of controlling an engine stop for the vehicle. The method includes: determining whether a first condition and a second condition is satisfied; applying a negative torque to the motor when the first condition and the second condition are satisfied; predicting occurrence of reverse rotation of the engine; and applying a feedback torque for satisfying the target behavior of the engine to the motor when the occurrence of the reverse rotation is predicted.
    Type: Application
    Filed: January 25, 2023
    Publication date: March 14, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Hyun Jin Park, Seo Ho Lee, Jae Young Choi, Kwon Chae Chung
  • Publication number: 20240084310
    Abstract: The present invention relates to an encapsulin protein and a fusion protein comprising the same, and more specifically to a recombinant expression vector for vaccine production, and a preparation method therefor, the vector comprising polynucleotides that encode a target protein, an encapsulin protein and an RNA interacting domain (RID) protein, so as to improve the expression efficiency of the target protein, and thus enables a water-soluble vaccine to be produced in a highly efficient manner and a large target protein to be used.
    Type: Application
    Filed: May 31, 2021
    Publication date: March 14, 2024
    Applicant: INTHERA INC.
    Inventors: Deog Young CHOI, Hyun Gyo JUNG
  • Patent number: 11928299
    Abstract: A display device including a substrate including a display area and a non-display area, pixels provided in the display area, an encapsulation layer on the pixels, a first conductive pattern on the encapsulation layer and including a first metal layer of sensing lines disposed in a non-sensing area corresponding to the non-display area, a first insulating layer on the first conductive pattern, a second conductive pattern on the first insulating layer and including a second metal layer of the sensing lines, and a second insulating layer on the second conductive pattern, in which the first metal layer includes a first end located in the non-sensing area corresponding to a first side of a sensing area and a second end located in the non-sensing area corresponding to a second side adjacent to the first side, and the first end and the second end are spaced apart from each other.
    Type: Grant
    Filed: January 12, 2023
    Date of Patent: March 12, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Deok Young Choi, Jin Yup Kim, Dan Bee Seong, Chae Young Sung, Ha Gyeong Song, Hyun Ki Hwang