Patents by Inventor Chang Hyun Lim

Chang Hyun Lim 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: 20240149819
    Abstract: The present disclosure relates to an interior material for a vehicle and a method for molding the interior material for the vehicle, and more specifically the method for molding an interior material for a vehicle according to the present disclosure includes heating a skin inserted into an upper end heater and a lower end heater spaced apart from each other; preforming the heated skin using an upper mold having a mold temperature set to have a set shape and a lower mold having a second mold temperature; and pressing the preformed skin and a core using a 1-1 mold and a 1-2 mold having set mold temperatures.
    Type: Application
    Filed: January 16, 2024
    Publication date: May 9, 2024
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation, KBI Dongkook Ind. Co., Ltd.
    Inventors: Jae Hyun An, In Soo Han, Woo Hyun Lim, Kyu Ha Yoo, Dong II Son, Dong Hyuk Choi, Chang Woo Kang, Chang Bok Park, Wan Gyu Choi
  • Patent number: 11974901
    Abstract: Disclosed is a small animal intraventricular injection compensator for injecting a drug into a desired location through a syringe, the compensator including: a guide part provided with a guide hole into which a needle of a syringe is inserted; a body comprising an upper cavity provided inside thereof and a cradle provided to seat the guide part on an upper side thereof; and a fixation part integrally provided with the body or separately provided, and comprising a lower cavity provided to allow a head accommodation space, which a head of a small animal may enter into or exit from, to be provided inside thereof by corresponding to the upper cavity.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: May 7, 2024
    Assignees: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Sung Gurl Park, Kang Hyun Han, Chang Mook Lim, So Ra Park, Hong Su Lee, Jae Bong Lee, Jung Ho Noh, Sang Seop Han
  • Publication number: 20240141118
    Abstract: A surface-treated inorganic nanoparticle includes a core including Mania (TiO2); a shell surrounding the core, and including zirconia(ZrO2); and a dispersant including a phosphate functional group, and connected to the shell,
    Type: Application
    Filed: February 7, 2023
    Publication date: May 2, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seong Chan PARK, Chang Hyun YOON, Jung Hyun LEE, Eun Jung LIM, Young O KIM
  • Publication number: 20240125908
    Abstract: A method for manufacturing a LiDAR device is proposed. The method may include providing a LiDAR module including a laser emitting module and a laser detecting module to a target region. The method may also include adjusting, on the basis of first detecting data obtained from the laser detecting module, a relative position of a detecting optic module with respect to the laser detecting module. The method may further include adjusting, on the basis of image data obtained from at least one image sensor, a relative position of an emitting optic module with respect to the laser emitting module.
    Type: Application
    Filed: December 21, 2023
    Publication date: April 18, 2024
    Inventors: Chan M LIM, Dong Kyu KIM, Chang Mo JEONG, Hoon Il JEONG, Eunsung KWON, Junhyun JO, Bumsik WON, Suwoo NOH, Sang Shin BAE, Seong Min YUN, Jong Hyun YIM
  • Patent number: 11935441
    Abstract: The present disclosure relates to an apparatus for controlling a multi-image display provided in a vehicle, and a method thereof. According to the present disclosure, a multi-image display device may simultaneously output two or more images separated depending on an output angle or an optical frequency, and a first reflection member provided in an indoor ceiling of the vehicle may reflect one image among the two or more images output from the multi-image display device.
    Type: Grant
    Filed: May 10, 2022
    Date of Patent: March 19, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, ANYRACTIVE.CO., LTD.
    Inventors: Chang Jin Ji, Min Han Kim, Yong Lee, Sung Hyun Lim
  • Patent number: 11870419
    Abstract: A bulk acoustic wave resonator includes a substrate, a first electrode, wherein a cavity is formed between the substrate and the first electrode, a piezoelectric layer disposed on the first electrode and overlapping at least a portion of the first electrode, a second electrode disposed on the piezoelectric layer and overlapping at least a portion of the piezoelectric layer, a passivation layer having at least a portion disposed on the second electrode and overlapping at least a portion of the second electrode, and a lower frame spaced apart from the substrate and having a portion of the cavity disposed therebetween. Any one of the second electrode and the passivation layer includes a protruding portion having a first thickness and an extended portion having a second thickness less than the first thickness, and an inner end of the lower frame and an end of the protruding portion are spaced apart horizontally.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: January 9, 2024
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Won Han, Sang Uk Son, Tae Yoon Kim, Chang Hyun Lim, Sang Heon Han, Jong Beom Kim
  • Patent number: 11705884
    Abstract: A bulk acoustic resonator includes: a substrate; a first electrode disposed on the substrate; a piezoelectric layer disposed to cover at least a portion of the first electrode; a second electrode disposed to cover at least a portion of the piezoelectric layer; a metal pad connected to the first electrode and the second electrode; and a protective layer disposed to cover at least the metal pad.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: July 18, 2023
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Chang Hyun Lim, Sang Hyun Yi, Yong Suk Kim, Sung Jun Lee, Jae Hyoung Gil, Dong Hyun Park
  • Publication number: 20230070983
    Abstract: Disclosed are an anode for a lithium secondary battery including a porous and thin-film anode current collector layer and a method for manufacturing the same.
    Type: Application
    Filed: August 30, 2022
    Publication date: March 9, 2023
    Inventors: Jong Chan Song, Jae Wook Shin, Seong Min Ha, Seung Jong Lee, Won Keun Kim, Kyoung Han Ryu, Yun Seog Lee, Ho Young Kim, Hee Dong Kwak, Jung Taek Kim, Seung Eun Paik, Chang Hyun Lim
  • Patent number: 11595015
    Abstract: An acoustic wave resonator includes a resonating part disposed on and spaced apart from a substrate by a cavity, the resonating part including a membrane layer, a first electrode, a piezoelectric layer, and a second electrode that are sequentially stacked. 0 ???Mg?170 ? may be satisfied, ?Mg being a difference between a maximum thickness and a minimum thickness of the membrane layer disposed in the cavity.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: February 28, 2023
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Tae Kyung Lee, Tae Yoon Kim, Sang Kee Yoon, Chang Hyun Lim, Jong Woon Kim, Moon Chul Lee
  • Publication number: 20230022838
    Abstract: An acoustic resonator includes a substrate and a resonant portion. The resonant portion has a central portion in which a first electrode, a first piezoelectric layer, a second piezoelectric layer, and a second electrode are stacked in order on the substrate, and an extension portion extending outwardly from the central portion and including an insertion layer. A ratio of an average thickness of the first piezoelectric layer to an average thickness of the second piezoelectric layer is 18.4% to 40%.
    Type: Application
    Filed: January 20, 2022
    Publication date: January 26, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Heon HAN, Won HAN, Tae Hun LEE, Chang Hyun LIM, Ran Hee SHIN
  • Publication number: 20220407492
    Abstract: A bulk-acoustic wave (BAVV) resonator is provided. The BAW includes a substrate, a first electrode disposed on the substrate, a piezoelectric layer disposed to cover at least a portion of the first electrode, and a second electrode disposed to cover at least a portion of the piezoelectric layer, wherein the piezoelectric layer includes an intermediate layer, a first layer disposed above the intermediate layer and a second layer disposed below the intermediate layer, the first layer and the second layer are symmetrical in relation to a plane through which a central line of the intermediate layer passes in a thickness direction, and a thickness of the intermediate layer is greater than a thickness of each of the first and second layers.
    Type: Application
    Filed: October 6, 2021
    Publication date: December 22, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Heon HAN, Won HAN, Chang Hyun LIM, Sung Joon PARK, Jae Goon AUM
  • Patent number: 11476833
    Abstract: An acoustic resonator includes a substrate, an insulation layer disposed on the substrate, a resonating portion disposed on the insulation layer and having a first electrode, a piezoelectric layer, and a second electrode, stacked thereon, a cavity disposed between the insulation layer and the resonating portion, a protruded portion having a plurality of protrusions disposed on a lower surface of the cavity, and a hydrophobic layer disposed on an upper surface of the cavity and a surface of the protruded portion.
    Type: Grant
    Filed: June 10, 2019
    Date of Patent: October 18, 2022
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Tae Yoon Kim, Tae Kyung Lee, Sang Kee Yoon, Sung Jun Lee, Chang Hyun Lim, Nam Jung Lee, Tae Hun Lee, Moon Chul Lee
  • Patent number: 11476826
    Abstract: A bulk acoustic wave resonator includes: a substrate; a membrane layer forming a cavity together with the substrate; a lower electrode disposed on the membrane layer; a piezoelectric layer disposed on a flat surface of the lower electrode; and an upper electrode covering a portion of the piezoelectric layer and exposing a side of the piezoelectric layer to air, wherein the piezoelectric layer includes a step portion extended from the side of the piezoelectric layer and disposed on the flat surface of the lower electrode.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: October 18, 2022
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Won Han, Dae Ho Kim, Yong Suk Kim, Seung Hun Han, Moon Chul Lee, Chang Hyun Lim, Sung Jun Lee, Sang Kee Yoon, Tae Yoon Kim, Sang Uk Son
  • Patent number: 11437975
    Abstract: A bulk acoustic resonator includes: a substrate; a first electrode disposed on the substrate; a piezoelectric layer disposed to cover at least a portion of the first electrode; a second electrode disposed to cover at least a portion of the piezoelectric layer; and an insertion layer disposed below a partial region of the piezoelectric layer. A thickness of the first electrode in an active region in which the first electrode, the piezoelectric layer, and the second electrode overlap one another is less than a thickness of a region outside the active region. An angle of inclination of an internal side surface of the insertion layer is different from an angle of inclination of an external side surface of the insertion layer.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: September 6, 2022
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Chang Hyun Lim, Tae Hun Lee, Yong Suk Kim, Moon Chul Lee, Sang Kee Yoon
  • Patent number: 11431318
    Abstract: An acoustic resonator includes: a substrate; a resonant portion including a center portion in which a first electrode, a piezoelectric layer, and a second electrode are sequentially stacked on the substrate, and an extension portion disposed along a periphery of the center portion; and a first metal layer disposed outwardly of the resonant portion to be electrically connected to the first electrode. The extension portion includes a lower insertion layer disposed on an upper surface of the first electrode or a lower surface of the first electrode. The piezoelectric layer includes a piezoelectric portion disposed in the center portion, and a bent portion disposed in the extension portion and extended from the piezoelectric portion at an incline according to a shape of the lower insertion layer. The lower insertion layer is formed of a conductive material extending an electrical path between the first electrode and the first metal layer.
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: August 30, 2022
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Won Han, Chang Hyun Lim, Tae Yoon Kim, Sang Uk Son, Sang Kee Yoon
  • Patent number: 11424729
    Abstract: A bulk-acoustic wave resonator includes a substrate, a first layer, a second layer, a membrane layer, and a resonance portion. The substrate includes a substrate protection layer. The first layer is disposed on the substrate protection layer. The second layer is disposed outside of the first layer. The membrane layer forms a cavity with the substrate protection layer and the first layer. The resonance portion is disposed on the membrane layer. Either one or both of the substrate protection layer and the membrane layer includes a protrusion disposed in the cavity.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: August 23, 2022
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Tae Hun Lee, Tae Yoon Kim, Moon Chul Lee, Chang Hyun Lim, Nam Jung Lee, Il Han Lee
  • Patent number: 11394363
    Abstract: A bulk-acoustic wave resonator includes: a first electrode disposed above a substrate; a piezoelectric layer disposed to cover at least a portion of the first electrode; and a second electrode disposed to cover at least a portion of the piezoelectric layer. A plurality of steps are formed in any one or any combination of any two or more of the first electrode, the piezoelectric layer, and the second electrode in an active region in which the first electrode, the piezoelectric layer, and the second electrode are all disposed to overlap one another.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: July 19, 2022
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Won Han, Tae Yoon Kim, Chang Hyun Lim, Sang Uk Son, Jae Hyoung Gil, Dae Hun Jeong
  • Patent number: 11323093
    Abstract: A bulk-acoustic wave resonator includes: a resonator comprising a central portion in which a first electrode, a piezoelectric layer, and a second electrode are sequentially stacked on a substrate, and an extension portion disposed along a periphery of the central portion; and an insertion layer disposed below the piezoelectric layer in the extension portion to raise the piezoelectric layer. The insertion layer may have a first inclined surface formed along a side surface facing the central portion, and the first electrode may have a second inclined surface extending from a lower end of the first inclined surface of the insertion layer.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: May 3, 2022
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Tae Hun Lee, Chang Hyun Lim, Sang Kee Yoon
  • Patent number: 11323088
    Abstract: An acoustic wave resonator includes a resonating part disposed on and spaced apart from a substrate by a cavity, the resonating part including a membrane layer, a first electrode, a piezoelectric layer, and a second electrode that are sequentially stacked. 0 ???Mg?170 ? may be satisfied, ?Mg being a difference between a maximum thickness and a minimum thickness of the membrane layer disposed in the cavity.
    Type: Grant
    Filed: August 10, 2020
    Date of Patent: May 3, 2022
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Tae Kyung Lee, Tae Yoon Kim, Sang Kee Yoon, Chang Hyun Lim, Jong Woon Kim, Moon Chul Lee
  • Patent number: 11313763
    Abstract: An engine synchronization method may include: detecting teeth numbers of crank teeth installed on a crankshaft based on a pulse signal generated from a crankshaft position sensor; calculating a tooth period between a falling edge and a next falling edge of the pulse signal generated from the crankshaft position sensor and detecting a missing tooth based on the calculated tooth period; determining whether the detected missing tooth is an actual missing tooth based on a tooth number detected at the time of detecting the missing tooth; and performing synchronization control of an engine when it is determined that the detected missing tooth is the actual missing tooth.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: April 26, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Hyeok-Jun Kwon, Chang-Jin Oh, Chang-Hyun Lim, Jung-Suk Han