Patents by Inventor Junghak Kim
Junghak Kim 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).
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Publication number: 20240146972Abstract: A method by which a video decoding device decodes a video, according to the present document, comprises the steps of: parsing, from a bitstream, level information indicating the level with which output layer sets comply; acquiring, from the bitstream, constraint information about constraints with which the output layer sets comply; and performing a decoding procedure on the current picture on the basis of the level information and the constraint information, wherein the level information and the constraint information are included in a profile_tier_level syntax structure of the bitstream, and the constraint information in the profile_tier_level syntax structure can be next to the level information.Type: ApplicationFiled: January 11, 2024Publication date: May 2, 2024Inventors: Hendry HENDRY, Junghak Nam, Seunghwan Kim, Jaehyun Lim
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Publication number: 20240137512Abstract: An image decoding method according to the present document comprises a step for performing inverse first-order transform and inverse non-separable transform on a residual sample. The inverse non-separable transform is performed on the basis of a transform index indicating a predetermined transform kernel matrix, the inverse first-order transform is performed on the basis of a multiple transform selection (MTS) index indicating MTS for a horizontal transform kernel and a vertical transform kernel, and a syntax element bin string for the transform index is derived on the basis of first context information when a tree type for a split structure of a target block is not a single tree type and is derived on the basis of second context information when the tree type is the single tree type.Type: ApplicationFiled: December 5, 2023Publication date: April 25, 2024Inventors: Moonmo KOO, Jaehyun LIM, Junghak NAM, Seunghwan kim
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Publication number: 20240129476Abstract: An image decoding method, according to the present document, may comprise the steps of: deriving transform coefficients for a current block on the basis of residual information; determining whether a significant coefficient is present in a second region excluding a first region in the top-left end of the current block; parsing a LFNST index from a bitstream if the significant coefficient is not present in the second region; deriving modified transform coefficients by applying a LFNST matrix, derived on the basis of the LFNST index, to transform coefficients of the first region; and deriving residual samples of the current block on the basis of an inverse primary transform of the modified transform coefficients.Type: ApplicationFiled: December 7, 2023Publication date: April 18, 2024Inventors: Moonmo KOO, Jaehyun LIM, Junghak NAM, Seunghwan KIM
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Publication number: 20240121393Abstract: The present invention discloses a method for encoding/decoding a video signal and an apparatus for the method. More specifically, a method for decoding a video signal comprises generating a residual block of a current block by performing entropy decoding on the video signal; if size of the current block is smaller than a predetermined first size, parsing a transform skip flag which indicates whether a transform skip is applied to the current block; determining whether to parse a primary transform flag which indicates whether a primary transform is applied to the current block; if it is determined to parse the primary transform flag, parsing the primary transform flag; and if the primary transform flag indicates that a primary transform is applied to the current block, generating a primary inverse transformed transform block of the current block by performing a primary inverse transform to the residual block.Type: ApplicationFiled: December 15, 2023Publication date: April 11, 2024Inventors: Hyeongmoon JANG, Junghak NAM, Seunghwan KIM, Jaehyun LIM
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Publication number: 20240107034Abstract: An image decoding method carried out by a decoding device, according to the present document, comprises the steps of: acquiring a sign data hiding enable flag; acquiring a transform skip residual coding (TSRC) enable flag on the basis of the sign data hiding enable flag; acquiring residual information for a current block, on the basis of the TSRC enable flag; deriving a residual sample of the current block, on the basis of the residual information; and generating a reconstructed picture on the basis of the residual sample, wherein the sign data hiding enable flag is a flag indicating whether sign data hiding is enabled, the TSRC enable flag is a flag indicating whether TSRC is enabled, and the TSRC enable flag is acquired on the basis of the sign data hiding enable flag having a value of zero.Type: ApplicationFiled: November 16, 2023Publication date: March 28, 2024Inventors: Jungah CHOI, Sunmi YOO, Junghak NAM, Jin HEO, Jangwon CHOI, Seunghwan KIM
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Patent number: 11941203Abstract: An electronic device includes: a display layer to display an image; a sensor layer on the display layer; and a sensor driver electrically connected with the sensor layer, and to be selectively driven in a first mode for detecting a passive input, or a second mode for detecting an active input. In the second mode, the sensor driver is to: receive a plurality of sensing signals from the sensor layer; divide the plurality of sensing signals into a valid signal and a noise signal; calculate intermediate coordinates based on the valid signal; and correct the intermediate coordinates based on the noise signal to calculate input coordinates.Type: GrantFiled: October 12, 2022Date of Patent: March 26, 2024Assignee: Samsung Display Co., Ltd.Inventors: Jeongheon Lee, Soongyu Lee, Kyowon Ku, Junghak Kim, Hansu Cho
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Patent number: 11936914Abstract: A video decoding method performed by a video decoding apparatus, according to the present document, comprises the steps of: acquiring general constraint information from a bitstream; parsing, from the bitstream, a flag indicating whether or not the general constraint information includes information about constraints to which output layer sets conform; parsing the information about the constraints in the general constraint information on the basis of the flag; and decoding a current picture on the basis of the information about the constraints, wherein the general constraint information includes number information and alignment information about the constraints, and, within the general constraint information, the alignment information may be present after the number information.Type: GrantFiled: December 2, 2022Date of Patent: March 19, 2024Assignee: LG Electronics Inc.Inventors: Hendry Hendry, Junghak Nam, Seunghwan Kim, Jaehyun Lim
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Publication number: 20240089506Abstract: A video decoding method performed by a video decoding apparatus, according to the present document, comprises the steps of: acquiring general constraint information from a bitstream; parsing, from the bitstream, a flag indicating whether or not the general constraint information includes information about constraints to which output layer sets conform; parsing the information about the constraints in the general constraint information on the basis of the flag; and decoding a current picture on the basis of the information about the constraints, wherein the general constraint information includes number information and alignment information about the constraints, and, within the general constraint information, the alignment information may be present after the number information.Type: ApplicationFiled: November 15, 2023Publication date: March 14, 2024Inventors: Hendry HENDRY, Junghak NAM, Seunghwan KIM, Jaehyun LIM
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Patent number: 11923390Abstract: A detection module for a display device includes: a substrate; a detector disposed on the substrate to detect an external signal; a sensor driving circuit disposed on the substrate to drive the detector; and a light shielding layer to block an external light from entering the sensor driving circuit and to receive a light blocking voltage.Type: GrantFiled: January 12, 2021Date of Patent: March 5, 2024Assignee: Samsung Display Co., Ltd.Inventors: Junghak Kim, Youngsik Kim, Kyowon Ku, Jaehyung Jo
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Patent number: 11917210Abstract: A method by which a video decoding device decodes a video, according to the present document, comprises the steps of: parsing, from a bitstream, level information indicating the level with which output layer sets comply; acquiring, from the bitstream, constraint information about constraints with which the output layer sets comply; and performing a decoding procedure on the current picture on the basis of the level information and the constraint information, wherein the level information and the constraint information are included in a profile_tier_level syntax structure of the bitstream, and the constraint information in the profile_tier_level syntax structure can be next to the level information.Type: GrantFiled: December 2, 2022Date of Patent: February 27, 2024Assignee: LG ELECTRONICS INC.Inventors: Hendry Hendry, Junghak Nam, Seunghwan Kim, Jaehyun Lim
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Patent number: 11834415Abstract: The present disclosure relates to an adhesive resin composition for bonding semiconductors, including: a thermoplastic resin; a thermosetting resin; a curing agent; and a compound having a specific structure, and an adhesive film for semiconductors including the same.Type: GrantFiled: April 17, 2019Date of Patent: December 5, 2023Assignee: LG CHEM, LTD.Inventors: Ju Hyeon Kim, Junghak Kim, Seunghee Nam, Kwang Joo Lee
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Publication number: 20230214052Abstract: An electronic device includes: a display layer to display an image; a sensor layer on the display layer; and a sensor driver electrically connected with the sensor layer, and to be selectively driven in a first mode for detecting a passive input, or a second mode for detecting an active input. In the second mode, the sensor driver is to: receive a plurality of sensing signals from the sensor layer; divide the plurality of sensing signals into a valid signal and a noise signal; calculate intermediate coordinates based on the valid signal; and correct the intermediate coordinates based on the noise signal to calculate input coordinates.Type: ApplicationFiled: October 12, 2022Publication date: July 6, 2023Inventors: JEONGHEON LEE, SOONGYU LEE, KYOWON KU, JUNGHAK KIM, HANSU CHO
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Publication number: 20230214030Abstract: An input device includes: a housing; a tip electrode protruding outside of the housing and configured to transmit a downlink signal to the outside; a reception electrode inside the housing and configured to receive an uplink signal from the outside; and a communication circuit electrically connected to the tip electrode and the reception electrode and configured to receive the uplink signal from the reception electrode or to transmit the downlink signal to the tip electrode, wherein a surface of the reception electrode has a concave-convex structure.Type: ApplicationFiled: December 19, 2022Publication date: July 6, 2023Inventors: JUNGHAK KIM, KYOWON KU, YOUNGSIK KIM, HANSU CHO
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Publication number: 20230185398Abstract: An electronic device includes: a display layer configured to display an image; a display driver configured to drive the display layer; a sensor layer on the display layer; and a sensor driver configured to drive the sensor layer, and wherein the sensor layer is configured to output a first uplink signal generated with a first reference voltage in a first mode, and to output a second uplink signal generated with a second reference voltage greater than the first reference voltage in a second mode different from the first mode.Type: ApplicationFiled: November 30, 2022Publication date: June 15, 2023Inventors: JUNGHAK KIM, YOUNGSIK KIM, KYOWON KU, JEONGHEON LEE, HANSU CHO
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Patent number: 11625118Abstract: An electronic device, includes: a display panel; and an input sensor on the display panel, wherein the input sensor includes a plurality of sensing electrodes, each having a first region and a second region that surrounds the first region, each of the plurality of sensing electrodes including a pen electrode configured to detect an input tool and a touch electrode configured to detect a touch input, wherein the pen electrode is at the first region, and wherein the touch electrode is at the second region.Type: GrantFiled: August 11, 2021Date of Patent: April 11, 2023Assignee: Samsung Display Co., Ltd.Inventors: Junghak Kim, Youngsik Kim, Kyowon Ku, Jeongheon Lee
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Patent number: 11538266Abstract: A display device includes a display panel, a fingerprint sensing part, and a cover panel. The fingerprint sensing part is covered by the display panel. The cover panel is covered by the display panel and includes a metal layer. The metal layer includes a first metal layer and a second metal layer. The first metal layer surrounds the fingerprint sensing part in a plan view. The second metal layer extends from the first metal layer and is disposed between the display panel and the fingerprint sensing part.Type: GrantFiled: September 16, 2020Date of Patent: December 27, 2022Assignee: Samsung Display Co., Ltd.Inventors: Kyowon Ku, Junghak Kim, Youngsik Kim, Eunhye Kim, Jaehyung Jo
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Patent number: 11410456Abstract: A method of driving a display device including driving a display panel including a sensing area defined above a fingerprint sensor in an initial mode, driving the sensing area in a first color pattern and a second color pattern having a color different from a color of the first color pattern, sensing a fingerprint through the fingerprint sensor that receives a light reflected by the fingerprint when the fingerprint is adjacent to the sensing area, determining whether the sensed fingerprint is a duplicate fingerprint, and performing a user authentication mode when the sensed fingerprint is a normal fingerprint. The first color pattern has a light transmittance higher than a light transmittance of the second color pattern.Type: GrantFiled: November 4, 2020Date of Patent: August 9, 2022Assignee: Samsung Display Co., Ltd.Inventors: Soongyu Lee, Kyowon Ku, Youngsik Kim, Junghak Kim, Jinwoo Kim
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Publication number: 20220147212Abstract: An electronic device, includes: a display panel; and an input sensor on the display panel, wherein the input sensor includes a plurality of sensing electrodes, each having a first region and a second region that surrounds the first region, each of the plurality of sensing electrodes including a pen electrode configured to detect an input tool and a touch electrode configured to detect a touch input, wherein the pen electrode is at the first region, and wherein the touch electrode is at the second region.Type: ApplicationFiled: August 11, 2021Publication date: May 12, 2022Inventors: JUNGHAK KIM, YOUNGSIK KIM, KYOWON KU, JEONGHEON LEE
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Patent number: 11244141Abstract: A display device, including: a display unit including a light emitting element that emits light, and a biometric information sensing unit disposed below the display unit, is provided, wherein the biometric information sensing unit receives light reflected by a biometric input, wherein the biometric information sensing unit includes: an optical system including a transmission part that passes the reflected light and an absorption part around the transmission part, wherein the absorption part absorbs the reflected light and pressure; a light detection sensor disposed below the transmission part of the optical system, wherein the light detection sensor receives the reflected light that passes through the transmission part; and a pressure detection sensor disposed below the absorption part of the optical system, wherein the pressure detection sensor detects the pressure that is transferred from the absorption part.Type: GrantFiled: November 25, 2020Date of Patent: February 8, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kyowon Ku, Junghak Kim, Youngsik Kim, Jinwoo Kim, Soongyu Lee
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Publication number: 20210320137Abstract: A detection module for a display device includes: a substrate; a detector disposed on the substrate to detect an external signal; a sensor driving circuit disposed on the substrate to drive the detector; and a light shielding layer to block an external light from entering the sensor driving circuit and to receive a light blocking voltage.Type: ApplicationFiled: January 12, 2021Publication date: October 14, 2021Inventors: Junghak Kim, Youngsik Kim, Kyowon Ku, Jaehyung Jo