Patents by Inventor Se-Woong Lee

Se-Woong Lee 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: 12149713
    Abstract: Provided is a transform coefficient scan method including: determining a reference transform block for a decoding target block; deriving a scanning map of the decoding target block using scanning information of the reference transform block; and performing inverse scanning on a transform coefficient of the decoding target block using the derived scanning map. According to the present invention, picture encoding/decoding efficiency may be improved.
    Type: Grant
    Filed: September 28, 2023
    Date of Patent: November 19, 2024
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang Lim, Hui Yong Kim, Se Yoon Jeong, Jong Ho Kim, Ha Hyun Lee, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim
  • Patent number: 12149724
    Abstract: An inter prediction method according to the present invention comprises the steps of: selecting candidate units from among reconstructed neighbor units; creating a candidate unit set with respect to units to be decoded, using the selected candidate units; determining a reference unit from among the candidate units which constitute the created candidate unit set; and performing inter prediction on the units to be decoded, using the determined reference unit. According to the present invention, image encoding/decoding efficiency can be improved.
    Type: Grant
    Filed: September 27, 2023
    Date of Patent: November 19, 2024
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang Lim, Hui Yong Kim, Se Yoon Jeong, Suk Hee Cho, Jong Ho Kim, Ha Hyun Lee, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim, Chie Teuk Ahn
  • Publication number: 20240381530
    Abstract: A circuit board according to an embodiment includes an insulating layer; a circuit pattern layer including a first metal layer disposed on the insulating layer; a protective layer disposed on the insulating layer, vertically overlapping the first metal layer, and including a recess portion having a step in a horizontal direction; and a second metal layer disposed in the recess portion of the protective layer, wherein the recess portion includes a portion having a width greater than a width of the first metal layer, and wherein the second metal layer is disposed in the portion of the recess portion with a width greater than the width of the first metal layer.
    Type: Application
    Filed: September 14, 2022
    Publication date: November 14, 2024
    Inventors: Se Woong NA, Sang II KIM, Kee Han LEE
  • Patent number: 12129318
    Abstract: The present invention relates to a method for preparing a vinyl chloride-based polymer, including: bulk polymerizing a vinyl chloride-based monomer in a polymerization reactor to prepare a vinyl chloride-based polymer; and adding water and vapor to the polymerization reactor, and heating to remove an unreacted vinyl chloride-based monomer, wherein an addition amount of the water is 0.500 to 5.000 parts by weight based on 100 parts by weight of the vinyl chloride-based polymer.
    Type: Grant
    Filed: September 14, 2021
    Date of Patent: October 29, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Kun Ji Kim, Seong Yong Ahn, Heung Kwon Bae, Se Woong Lee, Dae Woo Lee, Hyun Kyou Ha
  • Publication number: 20240347575
    Abstract: Various aspects of the present disclosure provide a semiconductor device, for example comprising a finger print sensor, and a method for manufacturing thereof. Various aspects of the present disclosure may, for example, provide an ultra-slim finger print sensor having a thickness of 500 ?m or less that does not include a separate printed circuit board (PCB), and a method for manufacturing thereof.
    Type: Application
    Filed: April 12, 2024
    Publication date: October 17, 2024
    Inventors: Jin Young Kim, No Sun Park, Yoon Joo Kim, Seung Jae Lee, Se Woong Cha, Sung Kyu Kim, Ju Hoon Yoon
  • Publication number: 20240340440
    Abstract: An inter prediction method according to the present invention comprises: a step for deriving reference motion information related to a unit to be decoded in a current picture; and a step for performing motion compensation for the unit to be decoded, using the reference motion information that has been derived. According to the present invention, image encoding/decoding efficiency can be enhanced.
    Type: Application
    Filed: June 18, 2024
    Publication date: October 10, 2024
    Inventors: Sung Chang LIM, Hui Yong KIM, Se Yoon JEONG, Suk Hee CHO, Jong Ho KIM, Ha Hyun LEE, Jin Ho LEE, Jin Soo CHOI, Jin Woong KIM, Chie Teuk AHN
  • Patent number: 12088807
    Abstract: The present invention relates to a video encoding method and apparatus for setting and encoding quantization parameters, and to a video decoding method and apparatus for decoding and setting quantization parameters in a video encoding and decoding apparatus which uses blocks having various sizes and depths as encoding and decoding units.
    Type: Grant
    Filed: March 6, 2023
    Date of Patent: September 10, 2024
    Assignee: IDEAHUB INC.
    Inventors: Sung Chang Lim, Hui Yong Kim, Se Yoon Jeong, Suk Hee Cho, Jong Ho Kim, Ha Hyun Lee, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim, Chie Teuk Ahn
  • Publication number: 20240291969
    Abstract: Disclosed herein is an intra prediction method including: deriving neighbor prediction mode information from a left neighbor prediction mode and an upper neighbor prediction mode; deriving an intra prediction mode for a decoding target unit by using the derived neighbor prediction mode information; and performing intra prediction on the decoding target unit based on the intra prediction mode. According to exemplary embodiments of the present invention, image encoding/decoding efficiency can be improved.
    Type: Application
    Filed: May 3, 2024
    Publication date: August 29, 2024
    Inventors: Ha Hyun LEE, Hui Yong KIM, Sung Chang LIM, Jong Ho KIM, Jin Ho LEE, Se Yoon JEONG, Suk Hee CHO, Jin Soo CHOI, Jin Woong KIM, Chie Teuk AHN
  • Patent number: 12075090
    Abstract: Provided is a method and apparatus for performing intra-prediction using an adaptive filter. The method for performing intra-prediction includes the steps of: determining whether or not to apply a first filter for a reference pixel value on the basis of information of a neighboring block of a current block; applying the first filter for the reference pixel value when it is determined to apply the first filter; performing intra-prediction on the current block on the basis of the reference pixel value; determining whether or not to apply a second filter for a prediction value according to each prediction mode of the current block, which is predicted by the intra-prediction performance on the basis of the information of the neighboring block; and applying the second filter for the prediction value according to each prediction mode of the current block when it is determined to apply the second filter.
    Type: Grant
    Filed: February 3, 2023
    Date of Patent: August 27, 2024
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jin Ho Lee, Hui Yong Kim, Se Yoon Jeong, Suk Hee Cho, Ha Hyun Lee, Jong Ho Kim, Sung Chang Lim, Jin Soo Choi, Jin Woong Kim, Chie Teuk Ahn
  • Publication number: 20240279203
    Abstract: The present invention relates to novel mesylate salt of N-(5-(4-(4-((dimethylamino)methyl)-3-phenyl-1H-pyrazol-1-yl)pyrimidine-2-ylamino)-4-methoxy-2-morpholinophenyl)acrylamide, a novel crystalline form thereof, and a process for preparing the same. More specifically, the present invention relates to mesylate salt of N-(5-(4-(4-((dimethylamino)methyl)-3-phenyl-1H-pyrazol-1-yl)pyrimidine-2-ylamino)-4-methoxy-2-morpholinophenyl)acrylamide, which is excellent in stability, solubility, and bioavailability when it is administered not only alone but also in combination with other drugs and which has a high purity, a crystalline form thereof, and a process for preparing the same.
    Type: Application
    Filed: March 27, 2024
    Publication date: August 22, 2024
    Inventors: Sang Ho OH, Jong Gyun KIM, Se-Woong OH, Tae Dong HAN, Soo Yong CHUNG, Seong Ran LEE, Kyeong Bae KIM, Young Sung LEE, Woo Seob SHIN, Hyun JU, Jeong Ki KANG, Su Min PARK, Dong Kyun KIM
  • Patent number: 12063385
    Abstract: An inter prediction method according to the present invention comprises: a step for deriving reference motion information related to a unit to be decoded in a current picture; and a step for performing motion compensation for the unit to be decoded, using the reference motion information that has been derived. According to the present invention, image encoding/decoding efficiency can be enhanced.
    Type: Grant
    Filed: July 5, 2023
    Date of Patent: August 13, 2024
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang Lim, Hui Yong Kim, Se Yoon Jeong, Suk Hee Cho, Jong Ho Kim, Ha Hyun Lee, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim, Chie Teuk Ahn
  • Publication number: 20240259584
    Abstract: The present invention relates to image processing, and more particularly, to a video coding/decoding method using a clipped motion vector and an apparatus thereof. An embodiment of the present invention relates to a method of decoding an image. The method includes clipping a motion vector of a reference picture in a predetermined dynamic range to generate a clipped motion vector, storing the clipped motion vector in a buffer, deriving a motion vector of a coding treeblock using the motion vector stored in the buffer, and performing inter prediction decoding process using the motion vector of the coding treeblock. According to the exemplary embodiment of the present invention, a size of a memory required for storing motion vectors may be reduced.
    Type: Application
    Filed: April 9, 2024
    Publication date: August 1, 2024
    Inventors: Sung Chang LIM, Hui Yong KIM, Se Yoon JEONG, Suk Hee CHO, Dong San JUN, Jong Ho KIM, Ha Hyun LEE, Jin Ho LEE, Jin Soo CHOI, Jin Woong KIM
  • Publication number: 20240251081
    Abstract: Disclosed are a method for determining a color difference component quantization parameter and a device using the method. Method for decoding an image can comprise the steps of: decoding a color difference component quantization parameter offset on the basis of size information of a transform unit; and calculating a color difference component quantization parameter index on the basis of the decoded color difference component quantization parameter offset. Therefore, the present invention enables effective quantization by applying different color difference component quantization parameters according to the size of the transform unit when executing the quantization.
    Type: Application
    Filed: April 5, 2024
    Publication date: July 25, 2024
    Inventors: Sung Chang LIM, Hui Yong KIM, Se Yoon JEONG, Jong Ho KIM, Ha Hyun LEE, Jin Ho LEE, Jin Soo CHOI, Jin Woong KIM
  • Patent number: 12037442
    Abstract: The present invention provides a post-treatment method of a vinyl chloride-based polymer including: (a) preparing a stream containing vinyl chloride-based polymer powder and unreacted vinyl chloride-based monomers by drying a vinyl chloride-based polymer latex in a drying unit; (b) filtering the stream containing the vinyl chloride-based polymer powder and the unreacted vinyl chloride-based monomers in a filtering unit; and (c) recirculating a gas containing the unreacted vinyl chloride-based monomers discharged from the filtering unit to a latex storage unit.
    Type: Grant
    Filed: June 22, 2020
    Date of Patent: July 16, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Heung Kwon Bae, Hyun Min Lee, Kyung Seog Youk, Joong Chul Lim, Se Woong Lee, Jung Rae Lee
  • Patent number: 12006392
    Abstract: The present invention relates to a post-processing apparatus configured to post-process latex, the post-processing apparatus including: a receiving tank having therein a receiving part and having an inlet port through which the latex is introduced into the receiving part and a discharge port through which the latex is discharged; an ultrasonic wave generating device configured to generate ultrasonic waves to the latex accommodated in the receiving tank; a pressure reducing part configured to reduce a pressure of the receiving part of the receiving tank to discharge an unreacted monomer to the outside of the receiving tank; and a partition part provided in the receiving part of the receiving tank and comprising a plurality of partitions disposed in a direction from the inlet port toward the discharge port of the receiving tank, in which the latex accommodated in the receiving part moves along upper and lower sides of the plurality of partitions.
    Type: Grant
    Filed: April 16, 2021
    Date of Patent: June 11, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Se Woong Lee, Young Man Song, Hyeong Joon Kim, Hyun Min Lee
  • Publication number: 20230022810
    Abstract: The present invention relates to a method for preparing a vinyl chloride-based polymer, including: bulk polymerizing a vinyl chloride-based monomer in a polymerization reactor to prepare a vinyl chloride-based polymer; and adding water and vapor to the polymerization reactor, and heating to remove an unreacted vinyl chloride-based monomer, wherein an addition amount of the water is 0.500 to 5.000 parts by weight based on 100 parts by weight of the vinyl chloride-based polymer.
    Type: Application
    Filed: September 14, 2021
    Publication date: January 26, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Kun Ji KIM, Seong Yong AHN, Heung Kwon BAE, Se Woong LEE, Dae Woo LEE, Hyun Kyou HA
  • Publication number: 20230002517
    Abstract: Provided is a method of preparing a vinyl chloride-based polymer composite, which includes: bulk-polymerizing vinyl chloride-based monomers to prepare a vinyl chloride-based polymer; and preparing a vinyl chloride-based polymer composite including the vinyl chloride-based polymer and polyvinylpyrrolidone.
    Type: Application
    Filed: June 25, 2021
    Publication date: January 5, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Kun Ji KIM, Seong Yong AHN, Heung Kwon BAE, Se Woong LEE, Hyun Kyou HA
  • Publication number: 20220411621
    Abstract: Provided is a method of producing a vinyl chloride-based polymer composite, which includes: forming particle nuclei by bulk polymerizing vinyl chloride-based monomers; producing a vinyl chloride-based polymer by bulk polymerizing vinyl chloride-based monomers in the presence of the particle nuclei; and producing a vinyl chloride-based polymer composite including the vinyl chloride-based polymer and a cellulose-based compound.
    Type: Application
    Filed: June 17, 2021
    Publication date: December 29, 2022
    Applicant: LG CHEM, LTD.
    Inventors: Heung Kwon BAE, Seong Yong AHN, Kun Ji KIM, Hyun Kyou HA, Se Woong LEE
  • Publication number: 20220387960
    Abstract: The present invention relates to a post-processing apparatus configured to post-process latex, the post-processing apparatus including: a receiving tank having therein a receiving part and having an inlet port through which the latex is introduced into the receiving part and a discharge port through which the latex is discharged; an ultrasonic wave generating device configured to generate ultrasonic waves to the latex accommodated in the receiving tank; a pressure reducing part configured to reduce a pressure of the receiving part of the receiving tank to discharge an unreacted monomer to the outside of the receiving tank; and a partition part provided in the receiving part of the receiving tank and comprising a plurality of partitions disposed in a direction from the inlet port toward the discharge port of the receiving tank, in which the latex accommodated in the receiving part moves along upper and lower sides of the plurality of partitions.
    Type: Application
    Filed: April 16, 2021
    Publication date: December 8, 2022
    Applicant: LG CHEM, LTD.
    Inventors: Se Woong LEE, Young Man SONG, Hyeong Joon KIM, Hyun Min LEE
  • Publication number: 20220380587
    Abstract: Provided are a method of preparing a vinyl chloride-based polymer composite, a vinyl chloride-based polymer composite, and a vinyl chloride-based polymer composite composition including the composite, the method including: a first step of performing bulk polymerization of vinyl chloride-based monomers; and a second step of recovering unreacted vinyl chloride-based monomers after the completion of the bulk polymerization and obtaining a vinyl chloride-based polymer composite, wherein polyvinyl alcohol is added in at least one step of the first step and the second step, and the polyvinyl alcohol is added in an amount of 0.003 parts by weight to 0.500 parts by weight based on a total of 100 parts by weight of the vinyl chloride-based monomers.
    Type: Application
    Filed: May 7, 2021
    Publication date: December 1, 2022
    Applicant: LG CHEM, LTD.
    Inventors: Seong Yong AHN, Kun Ji KIM, Heung Kwon BAE, Se Woong LEE, Hyun Kyou HA