Patents by Inventor Chang-Hun Kim
Chang-Hun 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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Patent number: 12371783Abstract: The present invention relates to an internal chamber processing method, and more particularly, to an internal chamber processing method for performing processing on a chamber and a component inside the chamber. Disclosed is an internal chamber processing method for processing the inside of a chamber in which substrate processing is performed, the method including a pressurizing operation (S100) of raising a pressure inside a chamber to a first pressure (P1) higher than the atmospheric pressure by using a pressurized gas and a depressurizing operation of lowering the pressure inside the chamber from the first pressure (P1) to a second pressure (P2) after the pressurizing operation (S100). The pressurizing operation (S100) and the depressurizing operation (S200) are performed in a state in which a substrate to be processed is removed from the inside of the chamber.Type: GrantFiled: December 14, 2021Date of Patent: July 29, 2025Assignee: WONIK IPS CO., LTD.Inventors: Ah Young Hwang, Won Jun Jang, Joo Suop Kim, Kyung Park, Jin Seo Kim, Won Sik Ahn, Dae Seong Lee, Chang Hun Kim
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Publication number: 20240412681Abstract: A display device includes pixels connected to scan lines and data lines, each pixel including a driving transistor and at least one light emitting element, and a timing controller configured to generate output data using external input data. The timing controller includes a first compensator configured generate first data by correcting the external input data using at least one of optical measurement information, a threshold voltage of each of the driving transistors, mobility information, dimming information, and temperature information, and an afterimage compensator configured to generate second data based on age information of each light emitting element and the first data, generate third data based on a current amount corresponding to the first data and a current amount corresponding to the second data, and generate the age information by accumulating the third data.Type: ApplicationFiled: August 21, 2024Publication date: December 12, 2024Inventors: Joon Hyeok JEON, Byoung Kwan AN, Sang Myeon HAN, Chang Hun KIM, Seung Ho PARK, Seok Gyu BAN, Nam Jae LIM
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Publication number: 20240332159Abstract: A semiconductor package and a method of manufacturing a semiconductor package. As a non-limiting example, various aspects of this disclosure provide a semiconductor package, and method of manufacturing thereof, that comprises a substrate having a first surface and a second surface opposite to the first surface, and comprising at least one first recess portion formed in a direction ranging from the first surface toward the second surface, a plurality of first recess conductive patterns formed in the first recess portion, and a first passive element inserted into the first recess portion of the substrate and having a first electrode and a second electrode electrically connected to the plurality of first recess conductive patterns.Type: ApplicationFiled: June 4, 2024Publication date: October 3, 2024Inventors: Jae Ung Lee, Yung Woo Lee, EunNaRa Cho, Dong Hyun Bang, Wook Choi, KooWoong Jeong, Byong Jin Kim, Min Chul Shin, Ho Jeong Lim, Ji Hyun Kim, Chang Hun Kim
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Patent number: 12073767Abstract: A display device includes pixels connected to scan lines and data lines, each pixel including a driving transistor and at least one light emitting element, and a timing controller configured to generate output data using external input data. The timing controller includes a first compensator configured generate first data by correcting the external input data using at least one of optical measurement information, a threshold voltage of each of the driving transistors, mobility information, dimming information, and temperature information, and an afterimage compensator configured to generate second data based on age information of each light emitting element and the first data, generate third data based on a current amount corresponding to the first data and a current amount corresponding to the second data, and generate the age information by accumulating the third data.Type: GrantFiled: May 18, 2023Date of Patent: August 27, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Joon Hyeok Jeon, Byoung Kwan An, Sang Myeon Han, Chang Hun Kim, Seung Ho Park, Seok Gyu Ban, Nam Jae Lim
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Publication number: 20240233607Abstract: A display device includes pixels connected to scan lines and data lines, each pixel including a driving transistor and at least one light emitting element, and a timing controller configured to generate output data using external input data. The timing controller includes a first compensator configured generate first data by correcting the external input data using at least one of optical measurement information, a threshold voltage of each of the driving transistors, mobility information, dimming information, and temperature information, and an afterimage compensator configured to generate second data based on age information of each light emitting element and the first data, generate third data based on a current amount corresponding to the first data and a current amount corresponding to the second data, and generate the age information by accumulating the third data.Type: ApplicationFiled: May 18, 2023Publication date: July 11, 2024Inventors: Joon Hyeok JEON, Byoung Kwan AN, Sang Myeon HAN, Chang Hun KIM, Seung Ho PARK, Seok Gyu BAN, Nam Jae LIM
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Patent number: 12027371Abstract: Disclosed is a substrate processing method including: a pressurizing operation of raising a process pressure from a first pressure (P1) to a second pressure (P2) that is greater than the atmospheric pressure; a depressurizing operation of lowering the process pressure from a sixth pressure (P6), which is greater than the atmospheric pressure, to a seventh pressure (P7); and an annealing operation of changing the process pressure into a preset pressure change pattern between the pressurizing operation and the depressurizing operation, under a temperature atmosphere of a second temperature (T2) higher than the room temperature. A temperature raising operation of raising a temperature atmosphere from a first temperature (T1) to the second temperature (T2) is performed from a preset temperature raising start point (t1) to a preset temperature raising end point (t2) while the pressurizing operation is performed or after the pressurizing operation is performed.Type: GrantFiled: December 14, 2021Date of Patent: July 2, 2024Assignee: WONIK IPS CO., LTD.Inventors: Ah Young Hwang, Won Jun Jang, Joo Suop Kim, Kyung Park, Sang Rok Nam, Hae Jin Ahn, Dae Seong Lee, Chang Hun Kim
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Patent number: 12009289Abstract: A semiconductor package and a method of manufacturing a semiconductor package. As a non-limiting example, various aspects of this disclosure provide a semiconductor package, and method of manufacturing thereof, that comprises a substrate having a first surface and a second surface opposite to the first surface, and comprising at least one first recess portion formed in a direction ranging from the first surface toward the second surface, a plurality of first recess conductive patterns formed in the first recess portion, and a first passive element inserted into the first recess portion of the substrate and having a first electrode and a second electrode electrically connected to the plurality of first recess conductive patterns.Type: GrantFiled: October 14, 2021Date of Patent: June 11, 2024Assignee: Amkor Technology Singapore Holding Pte. Ltd.Inventors: Jae Ung Lee, Yung Woo Lee, EunNaRa Cho, Dong Hyun Bang, Wook Choi, KooWoong Jeong, Byong Jin Kim, Min Chul Shin, Ho Jeong Lim, Ji Hyun Kim, Chang Hun Kim
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Publication number: 20240135858Abstract: A display device includes pixels connected to scan lines and data lines, each pixel including a driving transistor and at least one light emitting element, and a timing controller configured to generate output data using external input data. The timing controller includes a first compensator configured generate first data by correcting the external input data using at least one of optical measurement information, a threshold voltage of each of the driving transistors, mobility information, dimming information, and temperature information, and an afterimage compensator configured to generate second data based on age information of each light emitting element and the first data, generate third data based on a current amount corresponding to the first data and a current amount corresponding to the second data, and generate the age information by accumulating the third data.Type: ApplicationFiled: May 17, 2023Publication date: April 25, 2024Inventors: Joon Hyeok JEON, Byoung Kwan AN, Sang Myeon HAN, Chang Hun KIM, Seung Ho PARK, Seok Gyu BAN, Nam Jae LIM
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Patent number: 11905354Abstract: Provided is a method of preparing an acrylonitrile-based copolymer for a carbon fiber, which comprises: preparing a reaction solution including a monomer mixture comprising a sulfonate-based monomer represented by Chemical Formula 1, a carboxylic acid-based monomer, and an acrylonitrile-based monomer and an organic solvent; and subjecting the reaction solution to polymerization, wherein the monomer mixture comprises the sulfonate-based monomer represented by Chemical Formula 1 at 0.55 to 1.6 mol %.Type: GrantFiled: November 1, 2019Date of Patent: February 20, 2024Assignee: LG CHEM, LTD.Inventors: Jong Gil Kim, Chang Hun Kim, Jeong Hun Cho, Hyun Min Kim, Joon Hee Cho, Hyo Yong Kim
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Publication number: 20220411923Abstract: The present invention relates to an internal chamber processing method, and more particularly, to an internal chamber processing method for performing processing on a chamber and a component inside the chamber. Disclosed is an internal chamber processing method for processing the inside of a chamber in which substrate processing is performed, the method including a pressurizing operation (S100) of raising a pressure inside a chamber to a first pressure (P1) higher than the atmospheric pressure by using a pressurized gas and a depressurizing operation of lowering the pressure inside the chamber from the first pressure (P1) to a second pressure (P2) after the pressurizing operation (S100). The pressurizing operation (S100) and the depressurizing operation (S200) are performed in a state in which a substrate to be processed is removed from the inside of the chamber.Type: ApplicationFiled: December 14, 2021Publication date: December 29, 2022Applicant: WONIK IPS CO., LTD.Inventors: Ah Young HWANG, Won Jun JANG, Joo Suop KIM, Kyung PARK, Jin Seo KIM, Won Sik AHN, Dae Seong LEE, Chang Hun KIM
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Patent number: 11535957Abstract: The present invention relates to a method for producing a polyacrylonitrile-based fiber, wherein the method polymerizes a monomer mixture including an acrylonitrile-based monomer, a carboxylic acid-based comonomer, and an acrylate-based comonomer, wherein the acrylate-based comonomer includes the steps of producing a polyacrylonitrile-based copolymer so as to be included in an amount of 4 to 20 parts by weight based on 100 parts by weight of the monomer mixture, fiberizing the polyacrylonitrile-based copolymer, oxidizing and stabilizing the fiberized polyacrylonitrile-based copolymer, which may control the oxidation stabilization reaction, particularly the cyclization reaction. Accordingly, the energy consumption of the oxidation stabilization reaction may be reduced, economical efficiency of the production of polyacrylonitrile-based fiber may be obtained, and the physical and mechanical properties of the carbon fiber may be improved.Type: GrantFiled: November 22, 2017Date of Patent: December 27, 2022Assignee: LG CHEM, LTD.Inventors: Jeong Kyu Lee, Chang Hun Kim, In Young Song, Jeong Hun Cho, Jong Soo Do, Sung Joon Oh, Joon Hee Cho
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Publication number: 20220319853Abstract: Disclosed is a substrate processing method including: a pressurizing operation of raising a process pressure from a first pressure (P1) to a second pressure (P2) that is greater than the atmospheric pressure; a depressurizing operation of lowering the process pressure from a sixth pressure (P6), which is greater than the atmospheric pressure, to a seventh pressure (P7); and an annealing operation of changing the process pressure into a preset pressure change pattern between the pressurizing operation and the depressurizing operation, under a temperature atmosphere of a second temperature (T2) higher than the room temperature. A temperature raising operation of raising a temperature atmosphere from a first temperature (T1) to the second temperature (T2) is performed from a preset temperature raising start point (t1) to a preset temperature raising end point (t2) while the pressurizing operation is performed or after the pressurizing operation is performed.Type: ApplicationFiled: December 14, 2021Publication date: October 6, 2022Applicant: WONIK IPS CO., LTD.Inventors: Ah Young HWANG, Won Jun JANG, Joo Suop KIM, Kyung PARK, Sang Rok NAM, Hae Jin AHN, Dae Seong LEE, Chang Hun KIM
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Patent number: 11427659Abstract: A method of preparing an acrylonitrile-based copolymer for a carbon fiber. The method includes: preparing a reaction solution including a (meth)acrylonitrile-based monomer and a first reaction solvent; adding a first portion of a radical polymerization initiator to the reaction solution to initiate polymerization; and adding a second portion of the radical polymerization initiator to the reaction solution when a polymerization conversion ratio is between 70 to 80%.Type: GrantFiled: September 18, 2018Date of Patent: August 30, 2022Assignee: LG CHEM, LTD.Inventors: Chang Hun Kim, Hyun Min Kim, Jeong Hun Cho, Joon Hee Cho
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Publication number: 20220051973Abstract: A semiconductor package and a method of manufacturing a semiconductor package. As a non-limiting example, various aspects of this disclosure provide a semiconductor package, and method of manufacturing thereof, that comprises a substrate having a first surface and a second surface opposite to the first surface, and comprising at least one first recess portion formed in a direction ranging from the first surface toward the second surface, a plurality of first recess conductive patterns formed in the first recess portion, and a first passive element inserted into the first recess portion of the substrate and having a first electrode and a second electrode electrically connected to the plurality of first recess conductive patterns.Type: ApplicationFiled: October 14, 2021Publication date: February 17, 2022Inventors: Jae Ung Lee, Yung Woo Lee, EunNaRa Cho, Dong Hyun Bang, Wook Choi, KooWoong Jeong, Byong Jin Kim, Min Chul Shin, Ho Jeong Lim, Ji Hyun Kim, Chang Hun Kim
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Patent number: 11152296Abstract: A semiconductor package and a method of manufacturing a semiconductor package. As a non-limiting example, various aspects of this disclosure provide a semiconductor package, and method of manufacturing thereof, that comprises a substrate having a first surface and a second surface opposite to the first surface, and comprising at least one first recess portion formed in a direction ranging from the first surface toward the second surface, a plurality of first recess conductive patterns formed in the first recess portion, and a first passive element inserted into the first recess portion of the substrate and having a first electrode and a second electrode electrically connected to the plurality of first recess conductive patterns.Type: GrantFiled: July 23, 2018Date of Patent: October 19, 2021Assignee: AMKOR TECHNOLOGY SINGAPORE HOLDING PTE LTD.Inventors: Jae Ung Lee, Yung Woo Lee, EunNaRa Cho, Dong Hyun Bang, Wook Choi, KooWoong Jeong, Byong Jin Kim, Min Chul Shin, Ho Jeong Lim, Ji Hyun Kim, Chang Hun Kim
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Publication number: 20210301051Abstract: Provided is a method of preparing an acrylonitrile-based copolymer for a carbon fiber, which comprises: preparing a reaction solution including a monomer mixture comprising a sulfonate-based monomer represented by Chemical Formula 1, a carboxylic acid-based monomer, and an acrylonitrile-based monomer and an organic solvent; and subjecting the reaction solution to polymerization, wherein the monomer mixture comprises the sulfonate-based monomer represented by Chemical Formula 1 at 0.55 to 1.6 mol %.Type: ApplicationFiled: November 1, 2019Publication date: September 30, 2021Inventors: Jong Gil KIM, Chang Hun KIM, Jeong Hun CHO, Hyun Min KIM, Joon Hee CHO, Hyo Yong KIM
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Publication number: 20210230330Abstract: Provided is an acrylonitrile-based copolymer for a carbon fiber which includes a sulfonate-based monomer unit, a carboxylic acid-based monomer unit, and an acrylonitrile-based monomer unit, and the acrylonitrile-based copolymer for a carbon fiber includes the sulfonate-based monomer unit at 0.55 to 1.55 mol %, and the carboxylic acid-based monomer unit at 0.60 to 1.40 mol %.Type: ApplicationFiled: November 1, 2019Publication date: July 29, 2021Inventors: Chang Hun Kim, Jong Gil Kim, Hyun Min Kim, Yeon Soo Kim, Jeong Hun Cho, Hye Jin Han, Joon Hee Cho
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Patent number: 11046792Abstract: The present invention relates to a method of preparing a (meth)acrylonitrile-based polymer for preparing a carbon fiber, which comprises adding a reaction solution comprising a (meth)acrylonitrile-based monomer and a reaction solvent to a reactor to perform solution polymerization, performing solution polymerization under a condition in which a power consumption of the reactor is 1 to 5 kW/m3 when the reaction solution in the reactor has a viscosity of 0.1 poise or more and 250 poise or less, and performing solution polymerization under a condition in which a power consumption of the reactor is 8 to 13 kW/m3 when the reaction solution in the reactor has a viscosity of more than 250 poise and 450 poise or less.Type: GrantFiled: September 14, 2018Date of Patent: June 29, 2021Assignee: LG CHEM, LTD.Inventors: Jeong Hun Cho, Young Soo Song, Hyun Min Kim, Chang Hun Kim, Hyo Yong Kim, Joon Hee Cho
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Publication number: 20200149196Abstract: The present invention relates to a method for producing a polyacrylonitrile-based fiber, wherein the method polymerizes a monomer mixture including an acrylonitrile-based monomer, a carboxylic acid-based comonomer, and an acrylate-based comonomer, wherein the acrylate-based comonomer includes the steps of producing a polyacrylonitrile-based copolymer so as to be included in an amount of 4 to 20 parts by weight based on 100 parts by weight of the monomer mixture, fiberizing the polyacrylonitrile-based copolymer, oxidizing and stabilizing the fiberized polyacrylonitrile-based copolymer, which may control the oxidation stabilization reaction, particularly the cyclization reaction. Accordingly, the energy consumption of the oxidation stabilization reaction may be reduced, economical efficiency of the production of polyacrylonitrile-based fiber may be obtained, and the physical and mechanical properties of the carbon fiber may be improved.Type: ApplicationFiled: November 22, 2017Publication date: May 14, 2020Inventors: Jeong Kyu LEE, Chang Hun KIM, In Young SONG, Jeong Hun CHO, Jong Soo DO, Sung Joon OH, Joon Hee CHO
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Publication number: 20190375870Abstract: A method of preparing an acrylonitrile-based copolymer for a carbon fiber. The method includes: preparing a reaction solution including a (meth)acrylonitrile-based monomer and a first reaction solvent; adding a first portion of a radical polymerization initiator to the reaction solution to initiate polymerization; and adding a second portion of the radical polymerization initiator to the reaction solution when a polymerization conversion ratio is between 70 to 80%.Type: ApplicationFiled: September 18, 2018Publication date: December 12, 2019Inventors: Chang Hun KIM, Hyun Min KIM, Jeong Hun CHO, Joon Hee CHO