Patents by Inventor Jae-Min Ha

Jae-Min Ha 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: 11952442
    Abstract: The present disclosure provides a method for preparing a vinyl chloride-based polymer, the method including a step of injecting an ionizable normal salt and polymerizing a vinyl chloride monomer in the presence of one or more emulsifiers and a polymerization initiator, wherein the ionizable normal salt includes a carbonate metal salt or a sulfite metal salt, and the ionizable normal salt is continuously injected in an amount of 70 to 1200 ppm based on the total weight of the vinyl chloride monomer when a polymerization conversion rate is in a range of 0% to 20%. The method capable of preparing a vinyl chloride-based polymer suitable as an eco-friendly material, while not affecting the rate of polymerization reaction and decreasing the generation amount of total volatile organic compounds by controlling the injection time, injection amount and kind of the ionizable normal salt, is provided.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: April 9, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Jin Hyuck Ju, Hyun Min Lee, Hyun Kyou Ha, Kun Ji Kim, Kwang Jin Lee, Yang Jun Jeon, Jae Hyun Park
  • Patent number: 11952443
    Abstract: The present disclosure relates to a composition for preparing a vinyl chloride-based polymer and a method of preparing a vinyl chloride-based polymer using the same, and provides the composition giving excellent productivity for preparing a vinyl chloride-based polymer includes while maintaining excellent foaming and viscosity properties of a plastisol including the prepared vinyl chloride-based polymer, by including a pH regulator composed of a carbonate-based metal salt, and a transition metal catalyst in the composition, and controlling an amount of the transition metal catalyst, and controlling an amount of a reducing agent such that a trace amount or none of the reducing agent is included, and the method of preparing a vinyl chloride-based polymer using the same.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: April 9, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Yang Jun Jeon, Hyun Min Lee, Hyun Kyou Ha, Kun Ji Kim, Kwang Jin Lee, Jin Hyuck Ju, Jae Hyun Park
  • Publication number: 20240103343
    Abstract: An embodiment of the present invention relates to a camera module comprising: a housing; a bobbin arranged inside the housing; a first magnet arranged on the bobbin; a first coil arranged in the housing and facing the first magnet; a plurality of lenses attached to the bobbin; and an iris unit coupled to the bobbin, wherein the plurality of lenses comprises a first lens and a second lens distanced from each other, and at least a portion of the iris unit is positioned between the first lens and the second lens.
    Type: Application
    Filed: November 30, 2023
    Publication date: March 28, 2024
    Inventors: Jae Keun PARK, Tae Min HA
  • Publication number: 20240079312
    Abstract: A chip-on-film package may include a film substrate including a chip region and an edge region, a semiconductor chip provided on the chip region and mounted on a top surface of the film substrate, the semiconductor chip including a chip pad adjacent to a bottom surface thereof, an input line and an output line provided on the edge region and disposed on the top surface of the film substrate, a connection terminal interposed between the film substrate and the semiconductor chip, and a redistribution pattern disposed between the semiconductor chip and the connection terminal.
    Type: Application
    Filed: November 9, 2023
    Publication date: March 7, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: KwanJai LEE, Jae-Min JUNG, Jeong-Kyu HA, Sang-Uk HAN
  • Publication number: 20240079311
    Abstract: A semiconductor package includes a film substrate; a wiring layer provided on the film substrate; and a semiconductor chip provided on the wiring layer and electrically connected to the wiring layer. The film substrate includes a first layer, wherein the first layer is an insulating layer having the wiring layer thereon. The film substrate further includes a second layer, wherein the second layer is attached to a bottom of the first layer and comprises a gas. The second layer is configured to be peeled off of the first layer.
    Type: Application
    Filed: August 1, 2023
    Publication date: March 7, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Hyun CHO, Jeong-Kyu Ha, Jae-Min Jung
  • Patent number: 11919303
    Abstract: Provided is a jetting driver that can be used for various types of heads with minimal changes. The jetting driver includes: an image board receiving raw image data and generating image data by transforming the raw image data into a form suitable for a type of heads used; and an interface board physically separated from the image board, receiving the image data, and transmitting the image data to the heads through a plurality of channels.
    Type: Grant
    Filed: May 1, 2022
    Date of Patent: March 5, 2024
    Assignee: SEMES CO., LTD.
    Inventors: Sang Min Ha, Sang Hyun Son, Young Joo Seo, Hyeong Jun Cho, Jae Hong Kim
  • Patent number: 11882315
    Abstract: The present invention relates to an image encoding/decoding method and device, and the image encoding method or device according to an embodiment of the present invention may encode a position of a reference coefficient within a current transform block to be encoded, and encoding skip region information of a skip region selected on the basis of the position of the reference coefficient. The skip region information may represent whether or not coefficients within the skip region have an identical coefficient value.
    Type: Grant
    Filed: July 5, 2022
    Date of Patent: January 23, 2024
    Assignee: INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
    Inventors: Joo Hee Moon, Jae Min Ha, Dong Jae Won, Sung Won Lim
  • Publication number: 20230379494
    Abstract: Disclosed herein are an image encoding method and an image decoding method. The image decoding method of the present disclosure may include reconstructing reference pixel line information, selecting, based on the reference pixel line information, at least one reference pixel line among a plurality of reference pixel lines, and generating a prediction block for a current block by performing intra prediction for the current block based on the selected reference pixel line.
    Type: Application
    Filed: July 14, 2023
    Publication date: November 23, 2023
    Applicant: INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
    Inventors: Joo Hee MOON, Jae Min HA, Dong Jae WON, Sung Won LIM
  • Patent number: 11792426
    Abstract: Disclosed herein are an image encoding method and an image decoding method. The image decoding method of the present disclosure may include reconstructing reference pixel line information, selecting, based on the reference pixel line information, at least one reference pixel line among a plurality of reference pixel lines, and generating a prediction block for a current block by performing intra prediction for the current block based on the selected reference pixel line.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: October 17, 2023
    Assignee: INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
    Inventors: Joo Hee Moon, Jae Min Ha, Dong Jae Won, Sung Won Lim
  • Publication number: 20230239496
    Abstract: Disclosed herein are an image encoding method and an image decoding method. The image decoding method includes determining an initial motion vector of a current block using a motion vector of a reconstructed region, searching for the motion vector of the current block based on the initial motion vector, and generating a prediction sample of the current block using the motion vector. The initial motion vector includes a motion vector in a past direction and a motion vector in a future direction.
    Type: Application
    Filed: March 21, 2023
    Publication date: July 27, 2023
    Applicant: INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
    Inventors: Joo Hee MOON, Dong Jae WON, Jae Min HA, Sung Won LIM
  • Patent number: 11647222
    Abstract: Disclosed herein are an image encoding method and an image decoding method. The image decoding method includes determining an initial motion vector of a current block using a motion vector of a reconstructed region, searching for the motion vector of the current block based on the initial motion vector, and generating a prediction sample of the current block using the motion vector. The initial motion vector includes a motion vector in a past direction and a motion vector in a future direction.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: May 9, 2023
    Assignee: INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
    Inventors: Joo Hee Moon, Dong Jae Won, Jae Min Ha, Sung Won Lim
  • Publication number: 20230079191
    Abstract: A method and an apparatus for encoding/decoding an image according to the present invention may determine a reference area that is a pre-reconstructed area spatially adjacent to a current block on the basis of reference information for specifying the position of a reference area used for predicting a current block and may predict the current block on the basis of the reference area.
    Type: Application
    Filed: November 10, 2022
    Publication date: March 16, 2023
    Applicant: INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
    Inventors: Joo Hee MOON, Dong Jae WON, Jae Min HA, Sung Won LIM
  • Patent number: 11539972
    Abstract: A method and an apparatus for encoding/decoding an image according to the present invention may determine a reference area that is a pre-reconstructed area spatially adjacent to a current block on the basis of reference information for specifying the position of a reference area used for predicting a current block and may predict the current block on the basis of the reference area.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: December 27, 2022
    Assignee: INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
    Inventors: Joo Hee Moon, Dong Jae Won, Jae Min Ha, Sung Won Lim
  • Publication number: 20220400294
    Abstract: The present invention relates to an image encoding/decoding method and device, and the image encoding method or device according to an embodiment of the present invention may encode a position of a reference coefficient within a current transform block to be encoded, and encoding skip region information of a skip region selected on the basis of the position of the reference coefficient. The skip region information may represent whether or not coefficients within the skip region have an identical coefficient value.
    Type: Application
    Filed: July 5, 2022
    Publication date: December 15, 2022
    Inventors: Joo Hee MOON, Jae Min HA, Dong Jae WON, Sung Won LIM
  • Patent number: 11520184
    Abstract: A color conversion display panel includes: a color conversion layer provided on a substrate and including a semiconductor nanocrystal and a scatterer; and a transmission layer provided on the substrate, wherein the semiconductor nanocrystal is included at greater than 30 wt % of an entire content of the color conversion layer, and the scatterer is included at equal to or less than 12 wt % of the entire content of the color conversion layer.
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: December 6, 2022
    Inventors: Won Woo Jang, Jin Ho Park, Won Sik Oh, Hyang-A Park, Seung In Baek, Seoung Bum Pyoun, Jae Min Ha, Hyun Ji Ha
  • Patent number: 11425426
    Abstract: The present invention relates to an image encoding/decoding method and device, and the image encoding method or device according to an embodiment of the present invention may encode a position of a reference coefficient within a current transform block to be encoded, and encoding skip region information of a skip region selected on the basis of the position of the reference coefficient. The skip region information may represent whether or not coefficients within the skip region have an identical coefficient value.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: August 23, 2022
    Assignee: INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
    Inventors: Joo Hee Moon, Jae Min Ha, Dong Jae Won, Sung Won Lim
  • Publication number: 20220116588
    Abstract: A method and an apparatus for image encoding/decoding, according to the present invention, may generate a candidate list of a current block and perform inter-prediction of the current block by using any one of a plurality of candidates belonging to the candidate list. Here, the plurality of candidates comprise at least one from among a spatial candidate, a temporal candidate, and a restoration information-based candidate, and the restoration information-based candidate may be added from a buffer which stores motion information decoded prior to the current block.
    Type: Application
    Filed: January 6, 2020
    Publication date: April 14, 2022
    Applicant: Industry Academy Cooperation Foundation of Sejong University
    Inventors: Joo Hee MOON, Dong Jae WON, Jae Min HA
  • Publication number: 20210274214
    Abstract: Disclosed herein are an image encoding method and an image decoding method. The image decoding method includes determining an initial motion vector of a current block using a motion vector of a reconstructed region, searching for the motion vector of the current block based on the initial motion vector, and generating a prediction sample of the current block using the motion vector. The initial motion vector includes a motion vector in a past direction and a motion vector in a future direction.
    Type: Application
    Filed: June 18, 2019
    Publication date: September 2, 2021
    Applicant: INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
    Inventors: Joo Hee MOON, Dong Jae WON, Jae Min HA, Sung Won LIM
  • Publication number: 20210195238
    Abstract: Disclosed herein are an image encoding method and an image decoding method. The image decoding method of the present disclosure may include reconstructing reference pixel line information, selecting, based on the reference pixel line information, at least one reference pixel line among a plurality of reference pixel lines, and generating a prediction block for a current block by performing intra prediction for the current block based on the selected reference pixel line.
    Type: Application
    Filed: June 18, 2019
    Publication date: June 24, 2021
    Applicant: INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
    Inventors: Joo Hee MOON, Jae Min HA, Dong Jae WON, Sung Won LIM
  • Publication number: 20210021847
    Abstract: A method and an apparatus for encoding/decoding an image according to the present invention may determine a reference area that is a pre-reconstructed area spatially adjacent to a current block on the basis of reference information for specifying the position of a reference area used for predicting a current block and may predict the current block on the basis of the reference area.
    Type: Application
    Filed: March 29, 2019
    Publication date: January 21, 2021
    Applicant: INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
    Inventors: Joo Hee MOON, Dong Jae WON, Jae Min HA, Sung Won LIM