Patents by Inventor Hye Jin Yoo

Hye Jin Yoo 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: 20240126074
    Abstract: The present disclosure provides a waveguide display apparatus. The waveguide waveguide display apparatus of the present disclosure is a waveguide display apparatus for correcting curved surface reflection distortion, the waveguide display apparatus including a waveguide for guiding light inputted from the outside; a first diffractive optical element disposed at the waveguide, and diffracting the light inputted from the outside to the inside of the waveguide; and a second diffractive optical element disposed at the waveguide, and diffracting the light guided by the waveguide to output a plurality of diffracted lights in a direction of a curved surface reflector located outside, wherein the second diffractive optical element has a structure of a diffraction grating corresponding to a curvature of the curved surface reflector such that the diffracted lights are reflected at different locations of the curved surface reflector in directions parallel to each other.
    Type: Application
    Filed: September 30, 2022
    Publication date: April 18, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Jae Jin Kim, Bo Ra Jung, Hye Won Hwang, Yeon Jae Yoo, Joon Young Lee, Bu Gon Shin, Min Soo Song
  • Publication number: 20240098275
    Abstract: A method for decoding an image based on an intra prediction, comprising: obtaining a first prediction pixel of a first region in a current block by using a neighboring pixel adjacent to the current block; obtaining a second prediction pixel of a second region in the current block by using the first prediction pixel of the first region; and decoding the current block based on the first and the second prediction pixels.
    Type: Application
    Filed: November 15, 2023
    Publication date: March 21, 2024
    Inventors: Je Chang JEONG, Ki Baek KIM, Won Jin LEE, Hye Jin SHIN, Jong Sang YOO, Jang Hyeok YUN, Kyung Jun LEE, Jae Hun KIM, Sang Gu LEE
  • Patent number: 11929200
    Abstract: A coil component includes a body; first and second coil portions spaced apart from each other in the body; first and second external electrodes disposed on the body to be spaced apart from each other and connected to both ends of the first coil portion; and first and second ground electrodes spaced apart from each other on the body and connected to both ends of the second coil portion.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: March 12, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Dong Hwan Lee, Sang Soo Park, Chan Yoon, Dong Jin Lee, Hwi Dae Kim, Hye Mi Yoo
  • Publication number: 20240052519
    Abstract: The present invention relates to a composite steel sheet having excellent adhesiveness, and a manufacturing method therefor, and, more particularly, to a light composite steel sheet obtained by forming microstructures on the surface and inside of a plated steel sheet, and then bonding same with a plastic layer to maximize adhesiveness.
    Type: Application
    Filed: December 9, 2021
    Publication date: February 15, 2024
    Applicant: POSCO Co., Ltd
    Inventors: Hye-Jin Yoo, Chang-Se Byeon, Jung-Su Kim, Je-Hoon Baek, Kang-Min Lee
  • Publication number: 20230016611
    Abstract: The present invention provides a metal-plastic composite material having excellent adhesive strength and formability and a method for manufacturing the same, and specifically, the present invention provides a metal-plastic composite material and a method for manufacturing the same comprising: a metal layer; and a plastic layer on at least one surface of the metal layer, wherein a thin film layer formed of a silane coupling agent is provided between the metal layer and the plastic layer, and the metal layer and the plastic layer are bonded by covalent bonding with the silane coupling agent.
    Type: Application
    Filed: December 9, 2020
    Publication date: January 19, 2023
    Applicant: POSCO
    Inventors: Hye-Jin Yoo, Chang-Se Byeon, Jung-Su Kim, Je-Hoon Baek, Hwi-Geon Kim
  • Publication number: 20230001445
    Abstract: The present invention pertains to a method for producing a graphene-coated steel sheet, the method comprising the steps of: modifying the surface of the steel sheet so that the surface is negatively charged; forming a positively-charged first graphene oxide layer on the surface-modified steel sheet; forming a negatively-charged second graphene oxide layer on the first graphene oxide layer; and heat-treating the steel sheet on which the first and second graphene oxide layers are formed. The present invention provides a graphene coating method which can be easily applied to large-area coating through a simple process without a special dispersant or binder, and has the effect of allowing the excellent physical properties of graphene to be more efficiently exhibited.
    Type: Application
    Filed: October 20, 2020
    Publication date: January 5, 2023
    Applicant: POSCO
    Inventors: Hye-Jin Yoo, Jung-Su Kim, Je-Hoon Baek, Chang-Se Byeon
  • Patent number: 11511520
    Abstract: A composite material comprising a plastic layer; and a steel sheet laminated on one side or both sides of the plastic layer, and having a structure in which plastic particles are introduced onto the surface of the side where the plastic layer is laminated with the steel sheet and a method for producing the same are provided, wherein the composite material is capable of being used as automotive parts or structures, and the like.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: November 29, 2022
    Assignee: POSCO Co., Ltd
    Inventors: Hye Jin Yoo, Kangmin Lee, Jehoon Baek, Jung-Su Kim, Chang-Se Byeon
  • Patent number: 11396712
    Abstract: Provided is a manufacturing method of a surface-treated Zn—Ni alloy electroplated steel sheet, the method comprising the steps of: preparing a Zn—Ni alloy electroplated steel sheet including a steel sheet and a Zn—Ni alloy-plated layer with an Ni content of 5-20 wt % (S1); preparing an alkaline electrolyte solution in which 4-250 g/L of potassium hydroxide (KOH) or sodium hydroxide (NaOH) or both combined are added in distilled water (S2); and inside the alkaline electrolyte solution, placing the Zn—Ni alloy electroplated steel sheet as an anode and installing another metal sheet as a cathode, and applying 2-10 V of an alternating or direct current to conductor electrochemical etching such that a 3-point average value of the arithmetic average roughness (Ra) of the surface of the Zn—Ni alloy electroplated steel sheet reaches 200-400 nm, thereby producing a surface-treated electroplated steel sheet (S3).
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: July 26, 2022
    Assignee: POSCO
    Inventors: Kang-Min Lee, Hye-Jin Yoo, Je-Hoon Baek, Chang-Se Byeon, Jung-Su Kim
  • Patent number: 11127749
    Abstract: A single poly non-volatile memory device that includes: a first type lower well; first and second wells separately formed in an upper portion of the first type lower well; a source electrode, a selection transistor, a sensing transistor, and a drain electrode sequentially disposed in an upper portion of the first well. A control gate is formed in an upper portion of the second well with separated on an opposite side of the source electrode from the first well and connected to the gate of the sensing transistor.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: September 21, 2021
    Assignee: Key Foundry Co., Ltd.
    Inventors: Su Jin Kim, Hye Jin Yoo
  • Publication number: 20210285118
    Abstract: Provided is a manufacturing method of a surface-treated Zn—Ni alloy electroplated steel sheet, the method comprising the steps of: preparing a Zn—Ni alloy electroplated steel sheet including a steel sheet and a Zn—Ni alloy-plated layer with an Ni content of 5-20 wt % (S1); preparing an alkaline electrolyte solution in which 4-250 g/L of potassium hydroxide (KOH) or sodium hydroxide (NaOH) or both combined are added in distilled water (S2); and inside the alkaline electrolyte solution, placing the Zn—Ni alloy electroplated steel sheet as an anode and installing another metal sheet as a cathode, and applying 2-10 V of an alternating or direct current to conductor electrochemical etching such that a 3-point average value of the arithmetic average roughness (Ra) of the surface of the Zn—Ni alloy electroplated steel sheet reaches 200-400 nm, thereby producing a surface-treated electroplated steel sheet (S3).
    Type: Application
    Filed: June 28, 2019
    Publication date: September 16, 2021
    Applicant: POSCO
    Inventors: Kang-Min LEE, Hye-Jin YOO, Je-Hoon BAEK, Chang-Se BYEON, Jung-Su KIM
  • Publication number: 20210082938
    Abstract: A single poly non-volatile memory device that includes: a first type lower well; first and second wells separately formed in an upper portion of the first type lower well; a source electrode, a selection transistor, a sensing transistor, and a drain electrode sequentially disposed in an upper portion of the first well. A control gate is formed in an upper portion of the second well with separated on an opposite side of the source electrode from the first well and connected to the gate of the sensing transistor.
    Type: Application
    Filed: December 1, 2020
    Publication date: March 18, 2021
    Applicant: Key Foundry Co., Ltd.
    Inventors: Su Jin KIM, Hye Jin YOO
  • Publication number: 20210078291
    Abstract: A composite material comprising a plastic layer; and a steel sheet laminated on one side or both sides of the plastic layer, and having a structure in which plastic particles are introduced onto the surface of the side where the plastic layer is laminated with the steel sheet and a method for producing the same are provided, wherein the composite material is capable of being used as automotive parts or structures, and the like.
    Type: Application
    Filed: October 17, 2018
    Publication date: March 18, 2021
    Inventors: Hye Jin YOO, Kangmin LEE, Jehoon BAEK, Jung-Su KIM, Chang-Se BYEON
  • Patent number: 10950614
    Abstract: A single poly non-volatile memory device that includes: a first type lower well; first and second wells separately formed in an upper portion of the first type lower well; a source electrode, a selection transistor, a sensing transistor, and a drain electrode sequentially disposed in an upper portion of the first well. A control gate is formed in an upper portion of the second well with separated on an opposite side of the source electrode from the first well and connected to the gate of the sensing transistor.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: March 16, 2021
    Assignee: Key Foundry Co., Ltd.
    Inventors: Su Jin Kim, Hye Jin Yoo
  • Publication number: 20200381445
    Abstract: A single poly non-volatile memory device that includes: a first type lower well; first and second wells separately formed in an upper portion of the first type lower well; a source electrode, a selection transistor, a sensing transistor, and a drain electrode sequentially disposed in an upper portion of the first well. A control gate is formed in an upper portion of the second well with separated on an opposite side of the source electrode from the first well and connected to the gate of the sensing transistor.
    Type: Application
    Filed: August 17, 2020
    Publication date: December 3, 2020
    Applicant: MagnaChip Semiconductor, Ltd.
    Inventors: Su Jin KIM, Hye Jin YOO
  • Patent number: 10833095
    Abstract: A single poly non-volatile memory device that includes: a first type lower well; first and second wells separately formed in an upper portion of the first type lower well; a source electrode, a selection transistor, a sensing transistor, and a drain electrode sequentially disposed in an upper portion of the first well. A control gate is formed in an upper portion of the second well with separated on an opposite side of the source electrode from the first well and connected to the gate of the sensing transistor.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: November 10, 2020
    Assignee: MagnaChip Semiconductor, Ltd.
    Inventors: Su Jin Kim, Hye Jin Yoo
  • Patent number: 10611556
    Abstract: A foldable container includes a pair of lateral plates foldably formed between a top plate and a bottom plate, where the lateral plates include an upper lateral plate and a lower lateral plate which are inwardly foldable by a hinge. The upper and lower lateral plates of the lateral plates respectively include upper molds and lower molds at corners on both sides thereof, and the upper and lower molds are mutually locked or unlocked by means of movement of a locking means. Accordingly, it is possible to allow a user to simply lock or unlock the folding of the container by controlling the locking means in the process of folding the container, and enabling the upper and lower molds to be automatically unfolded.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: April 7, 2020
    Inventor: Hye Jin Yoo
  • Patent number: 10544324
    Abstract: According to the present invention, a noncovalent bond-modified carbon structure has advantages of: enabling the control of properties by controlling intervals between carbon structures according to the size and structure of a compound represented by Chemical Formula 1, which is inserted and adsorbed between the carbon structures; and enabling uniform dispersion in a polymer matrix without a change in intrinsic properties. In addition, a carbon structure/polymer composite comprising the modified carbon structure and a polymer matrix is simply manufactured and readily layered due to excellent orientation when forming a cured coating film, and thus can be useful for manufacturing a steel sheet having remarkable heat radiation, surface polarity, electrical properties and the like.
    Type: Grant
    Filed: December 24, 2014
    Date of Patent: January 28, 2020
    Assignee: POSCO
    Inventors: Yong-Gyun Jung, Hye Jin Yoo, Jung-Su Kim, Jong Sang Kim, Chang-Se Byeon
  • Publication number: 20190172834
    Abstract: A single poly non-volatile memory device that includes: a first type lower well; first and second wells separately formed in an upper portion of the first type lower well; a source electrode, a selection transistor, a sensing transistor, and a drain electrode sequentially disposed in an upper portion of the first well. A control gate is formed in an upper portion of the second well with separated on an opposite side of the source electrode from the first well and connected to the gate of the sensing transistor.
    Type: Application
    Filed: January 24, 2019
    Publication date: June 6, 2019
    Applicant: MagnaChip Semiconductor, Ltd.
    Inventors: Su Jin KIM, Hye Jin YOO
  • Patent number: 10236297
    Abstract: A single poly non-volatile memory device that includes: a first type lower well; first and second wells separately formed in an upper portion of the first type lower well; a source electrode, a selection transistor, a sensing transistor, and a drain electrode sequentially disposed in an upper portion of the first well. A control gate is formed in an upper portion of the second well with separated on an opposite side of the source electrode from the first well and connected to the gate of the sensing transistor.
    Type: Grant
    Filed: January 10, 2017
    Date of Patent: March 19, 2019
    Assignee: MagnaChip Semiconductor, Ltd.
    Inventors: Su Jin Kim, Hye Jin Yoo
  • Publication number: 20180148254
    Abstract: A foldable container includes a pair of lateral plates foldably formed between a top plate and a bottom plate, where the lateral plates include an upper lateral plate and a lower lateral plate which are inwardly foldable by a hinge. The upper and lower lateral plates of the lateral plates respectively include upper molds and lower molds at corners on both sides thereof, and the upper and lower molds are mutually locked or unlocked by means of movement of a locking means. Accordingly, it is possible to allow a user to simply lock or unlock the folding of the container by controlling the locking means in the process of folding the container, and enabling the upper and lower molds to be automatically unfolded.
    Type: Application
    Filed: April 5, 2016
    Publication date: May 31, 2018
    Inventor: Hye Jin YOO