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).
-
Publication number: 20250071264Abstract: Provided are an imaging encoding method and device. When carrying out image encoding for a block within a slice, at least one block in a restored block of the slice is set as a reference block. When this is done, the encoding parameters of the reference block are distinguished, and the block to be encoded is encoded adaptively based on the encoding parameter.Type: ApplicationFiled: November 12, 2024Publication date: February 27, 2025Applicant: Electronics and Telecommunications Research InstituteInventors: Sung Chang LIM, Jong Ho KIM, Hae Chul CHOI, Hui Yong KIM, Ha Hyun LEE, Jin Ho LEE, Se Yoon JEONG, Suk Hee CHO, Jin Soo CHOI, Jin Woo HONG, Jin Woong KIM
-
Publication number: 20250071263Abstract: Provided are an imaging encoding method and device. When carrying out image encoding for a block within a slice, at least one block in a restored block of the slice is set as a reference block. When this is done, the encoding parameters of the reference block are distinguished, and the block to be encoded is encoded adaptively based on the encoding parameter.Type: ApplicationFiled: November 12, 2024Publication date: February 27, 2025Applicant: Electronics and Telecommunications Research InstituteInventors: Sung Chang LIM, Jong Ho KIM, Hae Chul CHOI, Hui Yong KIM, Ha Hyun LEE, Jin Ho LEE, Se Yoon JEONG, Suk Hee CHO, Jin Soo CHOI, Jin Woo HONG, Jin Woong KIM
-
Patent number: 12235472Abstract: A display device includes a display panel including a plurality of pixel regions and displaying a picture; and a light path controlling member located on a front surface of the display panel and transmitting the picture output from the display panel, wherein the light path controlling member includes a plurality of separation walls and a plurality of light path portions between the plurality of separation walls, and wherein a period of the light path portion is different from a period of the pixel region.Type: GrantFiled: September 10, 2021Date of Patent: February 25, 2025Assignee: LG Display Co., Ltd.Inventors: Se-Jin Lee, Young-Woong Kim, Seung-Soo Yang, Min-Gyu Choi
-
Patent number: 12230661Abstract: 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: GrantFiled: April 12, 2024Date of Patent: February 18, 2025Assignee: Amkor Technology Singapore Holding Pte. Ltd.Inventors: Jin Young Kim, No Sun Park, Yoon Joo Kim, Seung Jae Lee, Se Woong Cha, Sung Kyu Kim, Ju Hoon Yoon
-
Patent number: 12225223Abstract: Disclosed decoding method of the intra prediction mode comprises the steps of: determining whether an intra prediction mode of a present prediction unit is the same as a first candidate intra prediction mode or as a second candidate intra prediction mode on the basis of 1-bit information; and determining, among said first candidate intra prediction mode and said second candidate intra prediction mode, which candidate intra prediction mode is the same as the intra prediction mode of said present prediction unit on the basis of additional 1-bit information, if the intra prediction mode of the present prediction unit is the same as at least either the first candidate intra prediction mode or the second candidate intra prediction mode, and decoding the intra prediction mode of the present prediction unit.Type: GrantFiled: June 1, 2023Date of Patent: February 11, 2025Assignees: Electronics and Telecommunications Research Institute, Korea Advanced Institute of Science and TechnologyInventors: Jong Ho Kim, Hui Yong Kim, Se Yoon Jeong, Sung Chang Lim, Ha Hyun Lee, Jin Ho Lee, Suk Hee Cho, Jin Soo Choi, Jin Woong Kim, Chie Teuk Ahn, Mun Churl Kim, Bum Shik Lee
-
Publication number: 20250039410Abstract: 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: ApplicationFiled: October 17, 2024Publication date: January 30, 2025Inventors: Sung Chang LIM, Hui Yong KIM, Se Yoon JEONG, Jong Ho KIM, Ha Hyun LEE, Jin Ho LEE, Jin Soo CHOI, Jin Woong KIM
-
Publication number: 20250039422Abstract: 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: ApplicationFiled: October 15, 2024Publication date: January 30, 2025Applicant: Electronics and Telecommunications Research InstituteInventors: 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: 20250039406Abstract: An intra prediction method according to the present invention comprises the following steps: performing a directional prediction using at least one of a neighboring pixel of a current block and a left upper corner pixel positioned at a left upper corner of the current block so as to obtain a first prediction value for the current block; obtaining a second prediction value for the current block using the reference sample positioned in the current block; and weighted summing the first prediction value and the second prediction value using a weighting matrix so as to obtain a final prediction value for the current block. According to the present invention, image encoding/decoding efficiency may be improved.Type: ApplicationFiled: October 15, 2024Publication date: January 30, 2025Applicant: Electronics and Telecommunications Research InstituteInventors: Jin Ho LEE, Hui Yong KIM, Sung Chang LIM, Jong Ho KIM, Ha Hyun LEE, Se Yoon JEONG, Suk Hee CHO, Jin Soo CHOI, Jin Woong KIM, Chie Teuk AHN
-
Patent number: 12212739Abstract: Provided are an image encoding method and device. When carrying out image encoding for a block within a slice, at least one block in a restored block of the slice is set as a reference block. When this is done, the encoding parameters of the reference block are distinguished, and the block to be encoded is encoded adaptively based on the encoding parameters.Type: GrantFiled: September 27, 2023Date of Patent: January 28, 2025Assignee: Electronics and Telecommunications Research InstituteInventors: Sung Chang Lim, Jong Ho Kim, Hae Chul Choi, Hui Yong Kim, Ha Hyun Lee, Jin Ho Lee, Se Yoon Jeong, Suk Hee Cho, Jin Soo Choi, Jin Woo Hong, Jin Woong Kim
-
Patent number: 12206843Abstract: Provided are an image encoding method and device. When carrying out image encoding for a block within a slice, at least one block in a restored block of the slice is set as a reference block. When this is done, the encoding parameters of the reference block are distinguished, and the block to be encoded is encoded adaptively based on the encoding parameters.Type: GrantFiled: September 27, 2023Date of Patent: January 21, 2025Assignee: Electronics and Telecommunications Research InstituteInventors: Sung Chang Lim, Jong Ho Kim, Hae Chul Choi, Hui Yong Kim, Ha Hyun Lee, Jin Ho Lee, Se Yoon Jeong, Suk Hee Cho, Jin Soo Choi, Jin Woo Hong, Jin Woong Kim
-
Publication number: 20250024073Abstract: Provided is a method 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 to 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 blocks; and applying the second filter for the prediction value according to each prediction mode of the current block when it is determined to apply to the second filter.Type: ApplicationFiled: July 26, 2024Publication date: January 16, 2025Applicant: Electronics and Telecommunications Research InstituteInventors: 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: 20250002613Abstract: The present invention relates to a method of preparing a vinyl chloride-based polymer in a polymerization device including: a polymerization reactor; a reflux condenser connected to the polymerization reactor; and a recovery pipe connected to the reflux condenser, the method including: initiating a polymerization by adding a first vinyl chloride-based monomer and an initiator into the polymerization reactor; and recovering a second vinyl chloride-based monomer from the polymerization reactor through the recovery pipe, and performing a polymerization while adding a third vinyl chloride-based monomer into the polymerization reactor, wherein a content of the initiator is 0.105 to 0.110 parts by weight based on 100 parts by weight of a content of the first vinyl chloride-based monomer.Type: ApplicationFiled: May 12, 2023Publication date: January 2, 2025Applicant: LG CHEM, LTD.Inventors: Heung Kwon BAE, Se Woong LEE, Eun Byeol SEO, Hyun Kyou HA, Kun Ji KIM
-
Patent number: 12129318Abstract: 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: GrantFiled: September 14, 2021Date of Patent: October 29, 2024Assignee: LG CHEM, LTD.Inventors: Kun Ji Kim, Seong Yong Ahn, Heung Kwon Bae, Se Woong Lee, Dae Woo Lee, Hyun Kyou Ha
-
Patent number: 12037442Abstract: 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: GrantFiled: June 22, 2020Date of Patent: July 16, 2024Assignee: LG CHEM, LTD.Inventors: Heung Kwon Bae, Hyun Min Lee, Kyung Seog Youk, Joong Chul Lim, Se Woong Lee, Jung Rae Lee
-
Patent number: 12006392Abstract: 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: GrantFiled: April 16, 2021Date of Patent: June 11, 2024Assignee: LG CHEM, LTD.Inventors: Se Woong Lee, Young Man Song, Hyeong Joon Kim, Hyun Min Lee
-
Publication number: 20230022810Abstract: 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: ApplicationFiled: September 14, 2021Publication date: January 26, 2023Applicant: LG CHEM, LTD.Inventors: Kun Ji KIM, Seong Yong AHN, Heung Kwon BAE, Se Woong LEE, Dae Woo LEE, Hyun Kyou HA
-
Publication number: 20230002517Abstract: 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: ApplicationFiled: June 25, 2021Publication date: January 5, 2023Applicant: LG CHEM, LTD.Inventors: Kun Ji KIM, Seong Yong AHN, Heung Kwon BAE, Se Woong LEE, Hyun Kyou HA
-
Publication number: 20220411621Abstract: 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: ApplicationFiled: June 17, 2021Publication date: December 29, 2022Applicant: LG CHEM, LTD.Inventors: Heung Kwon BAE, Seong Yong AHN, Kun Ji KIM, Hyun Kyou HA, Se Woong LEE
-
Publication number: 20220387960Abstract: 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: ApplicationFiled: April 16, 2021Publication date: December 8, 2022Applicant: LG CHEM, LTD.Inventors: Se Woong LEE, Young Man SONG, Hyeong Joon KIM, Hyun Min LEE
-
Publication number: 20220380587Abstract: 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: ApplicationFiled: May 7, 2021Publication date: December 1, 2022Applicant: LG CHEM, LTD.Inventors: Seong Yong AHN, Kun Ji KIM, Heung Kwon BAE, Se Woong LEE, Hyun Kyou HA