Patents by Inventor Chang-Su Kim
Chang-Su 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: 12293899Abstract: This disclosure relates to a plasma generator including a porous ceramic dielectric. More specifically, this disclosure relates to a plasma generator for air purification capable of effectively generating ozone for removing bacteria, viruses, etc., and minimizing pressure loss while increasing air purification capacity by including a porous ceramic dielectric coated with an antibacterial material.Type: GrantFiled: October 14, 2020Date of Patent: May 6, 2025Assignee: KOREA INSTITUTE OF MATERIALS SCIENCEInventors: Seung-hoon Lee, Do-geun Kim, Chang-su Kim, Hun-kwan Park
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Publication number: 20230151986Abstract: The present disclosure relates to an air conditioning system and method for disinfection of a public facility. More specifically, the present disclosure relates to an air conditioning system and method for disinfection of a public facility capable of sterilizing or inactivating bio-aerosols existing in interior space by using the air conditioning equipment installed in the public facility structures.Type: ApplicationFiled: January 2, 2023Publication date: May 18, 2023Inventors: Seung-hoon LEE, Do-geun Kim, Chang-su Kim, Joo-young Park, Sung-hoon Jung, Joon-hwan Choi, Eun-yeon Byeon, Jong-man Lee, Jang-hoon Ha, Sang-jin Kim
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Publication number: 20230119973Abstract: The present disclosure relates to an antimicrobial agent and an antimicrobial resin composition comprising the same. More particularly, the present disclosure relates to an antimicrobial agent that has excellent antimicrobial activity even when a small amount is added and may minimize the influence on physical properties of an applied product such as an antimicrobial film, an antimicrobial resin composition comprising the same, and methods of preparing the antimicrobial agent and the antimicrobial resin composition.Type: ApplicationFiled: June 3, 2022Publication date: April 20, 2023Inventor: Chang-su KIM
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Publication number: 20220406570Abstract: This disclosure relates to a plasma generator including a porous ceramic dielectric. More specifically, this disclosure relates to a plasma generator for air purification capable of effectively generating ozone for removing bacteria, viruses, etc., and minimizing pressure loss while increasing air purification capacity by including a porous ceramic dielectric coated with an antibacterial material.Type: ApplicationFiled: October 14, 2020Publication date: December 22, 2022Inventors: Seung-hoon LEE, Do-geun KIM, Chang-su KIM, Hun-kwan PARK
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Patent number: 11302474Abstract: A capacitor component includes a body including a dielectric layer, and a first internal electrode and a second internal electrode disposed to oppose each other in a first direction with the dielectric layer interposed therebetween; a first external electrode and a second external electrode disposed on the body, and respectively connected to the first internal electrode; and a third external electrode and a fourth external electrode disposed on the body, and respectively connected to the second internal electrode, wherein the first and second external electrodes include a connection metal layer, a ceramic layer, a metal layer, and a plated layer, respectively, sequentially disposed on the body, wherein the plated layer is extended and disposed to contact end surfaces of the connection metal layer, the ceramic layer, and the metal layer in the first direction, respectively.Type: GrantFiled: September 10, 2019Date of Patent: April 12, 2022Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Kook Joo Moon, Mi Young Kim, Doo Yeon Hwang, Jin Kyung Joo, Ho Jun Lee, Gam Woo Kim, Chang Su Kim
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Patent number: 11108229Abstract: An electrostatic discharge (ESD) protection circuit is provided. The ESD protection circuit includes a transient-state detection circuit configured to generate a dynamic triggering signal based on a voltage change rate of a voltage on a first power rail; a voltage detection circuit configured to generate a static triggering signal based on the voltage on the first power rail; a trigger circuit configured to generate a discharge control signal based on the dynamic triggering signal and the static triggering signal; and a main discharge circuit configured to discharge an electric charge from the first power rail to a second power rail based on the discharge control signal.Type: GrantFiled: July 18, 2018Date of Patent: August 31, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung-Pil Jang, Chang-Su Kim, Han-Gu Kim, Moon-Seok Yang, Kyoung-Ki Jeon
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Patent number: 11094467Abstract: A multilayer ceramic capacitor includes a ceramic body having a plurality of dielectric layers stacked therein, and first and second internal electrodes alternately disposed with at least one among the plurality of dielectric layers interposed therebetween. The first internal electrodes include first and second lead portions exposed to a mounting surface of the ceramic body, and disposed to be spaced apart from each other in a length direction of the ceramic body. The second internal electrodes include a third lead portion exposed to the mounting surface of the ceramic body, and disposed between the first and second lead portions in the length direction of the ceramic body.Type: GrantFiled: July 9, 2018Date of Patent: August 17, 2021Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Kyo Kwang Lee, Jin Kim, Young Ghyu Ahn, Chang Su Kim
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Publication number: 20200176186Abstract: A capacitor component includes a body including a dielectric layer, and a first internal electrode and a second internal electrode disposed to oppose each other in a first direction with the dielectric layer interposed therebetween; a first external electrode and a second external electrode disposed on the body, and respectively connected to the first internal electrode; and a third external electrode and a fourth external electrode disposed on the body, and respectively connected to the second internal electrode, wherein the first and second external electrodes include a connection metal layer, a ceramic layer, a metal layer, and a plated layer, respectively, sequentially disposed on the body, wherein the plated layer is extended and disposed to contact end surfaces of the connection metal layer, the ceramic layer, and the metal layer in the first direction, respectively.Type: ApplicationFiled: September 10, 2019Publication date: June 4, 2020Inventors: Kook Joo MOON, Mi Young KIM, Doo Yeon HWANG, Jin Kyung JOO, Ho Jun LEE, Gam Woo KIM, Chang Su KIM
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Patent number: 10626373Abstract: The present disclosure relates to a culture scaffold for promoting differentiation from stem cells or precursor cells into osteoblasts, in which the culture scaffold includes a structure composed of a ridge and a groove, a kit using the culture scaffold, and a method for differentiating stem cells or precursor cells into osteoblasts. The culture scaffold of the present disclosure has an optimal pattern depending on the type of stem cells or precursor cells, thereby improving the osteoblast differentiation potency. In particular, it has a feature of showing excellent osteoblast differentiation potency even if only a small amount of supplementary factors inducing osteoblast differentiation is added. Furthermore, since the osteoblast differentiation potency is not greatly influenced by the change in cell density, it is possible to induce differentiation into osteoblasts without being influenced by the inflammatory environment formed by the inflammatory factors that increase upon cell differentiation.Type: GrantFiled: July 7, 2017Date of Patent: April 21, 2020Assignee: Seoul National University R&DB FoundationInventors: Hang-Rae Kim, Jin-Hee Kim, Bokyung Kim, Youn Sang Kim, Chang su Kim
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Patent number: 10607781Abstract: A multilayer ceramic capacitor includes a ceramic body having a plurality of dielectric layers stacked therein, and first and second internal electrodes alternately disposed with at least one among the plurality of dielectric layers interposed therebetween. The first internal electrodes include first and second lead portions exposed to a mounting surface of the ceramic body, and disposed to be spaced apart from each other in a length direction of the ceramic body. The second internal electrodes include a third lead portion exposed to the mounting surface of the ceramic body, and disposed between the first and second lead portions in the length direction of the ceramic body.Type: GrantFiled: July 9, 2018Date of Patent: March 31, 2020Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Kyo Kwang Lee, Jin Kim, Young Ghyu Ahn, Chang Su Kim
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Patent number: 10488452Abstract: A test board for a semiconductor device and a test board including the same are provided. A test board includes a substrate, a mounting pad which is formed on the substrate and on which a semiconductor chip is mounted and a test terminal group arranged on the substrate to be spaced apart from the mounting pad and electrically connected to the semiconductor chip by a pattern arranged on the substrate, wherein the semiconductor chip includes a first terminal and a second terminal for inputting/outputting signals, the test terminal group includes a first test terminal electrically connected to the first terminal and a second test terminal electrically connected to the second terminal, a first voltage is applied to the first terminal and the second terminal, and a stress signal that is caused by a second voltage is applied to the first test terminal.Type: GrantFiled: December 15, 2016Date of Patent: November 26, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung Jun Song, Young Min Kim, Chang Su Kim, Han Gu Kim
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Patent number: 10468194Abstract: A multilayer ceramic capacitor includes a ceramic body having a plurality of dielectric layers stacked therein, and first and second internal electrodes alternately disposed with at least one among the plurality of dielectric layers interposed therebetween. The first internal electrodes include first and second lead portions exposed to a mounting surface of the ceramic body, and disposed to be spaced apart from each other in a length direction of the ceramic body. The second internal electrodes include a third lead portion exposed to the mounting surface of the ceramic body, and disposed between the first and second lead portions in the length direction of the ceramic body.Type: GrantFiled: July 9, 2018Date of Patent: November 5, 2019Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Kyo Kwang Lee, Jin Kim, Young Ghyu Ahn, Chang Su Kim
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Patent number: 10422752Abstract: The present disclosure relates to a substrate for surface enhanced Raman scattering, a fabricating method for the same and an analyzing method using the same. The present disclosure may provide a substrate for surface enhanced Raman scattering having excellent surface enhanced Raman scattering effects by randomly stacking of Ag nanowires in a simple way by utilizing a substrate having a filtering function, and a method for efficiently analyzing a material to be analyzed using the same.Type: GrantFiled: November 20, 2015Date of Patent: September 24, 2019Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALSInventors: Dong Ho Kim, Sung Gyu Park, Chang Su Kim
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Patent number: 10372430Abstract: In a method of compiling an updated program having a plurality of updated functions that is updated from an original program having a plurality of original functions, it is determined whether a first original function corresponding to a first updated function exists, it is determined whether the first updated function is changed from the first original function, a first optimization combination for the first updated function is searched when the first original function does not exist or when the first updated function is changed from the first original function, a second optimization combination applied to the first original function is read from a configuration database storing optimization combinations for the original functions when the first original function exists and the first updated function is not changed from the first original function, and the updated program is compiled using the first optimization combination or the second optimization combination.Type: GrantFiled: January 10, 2018Date of Patent: August 6, 2019Assignees: SAMSUNG ELECTRONICS CO., LTD., POSTECH ACADEMY-INDUSTRY FOUNDATIONInventors: Hye-Yeon Chung, Han-Jun Kim, Jong-Won Lee, Chang-Su Kim, Seon-Yeong Heo, Jun-Mo Park, Jong-Hee Yoon
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Patent number: 10334219Abstract: The present invention relates to an apparatus and method for IP switching/routing SDI format image signal through bandwidth splitting and reduction, more specifically, which decomposes image signals consisting of YCbCr type color format entered with serial digital interface (SDI) into Y (luminance) component and C (chrominance) component, or multiple bit slice components; converts the components into IP packets and performs switching and/or routing of the IP packets; extracts Y component and C component or multiple bit slice components from the switched or routed IP packets; and combines the components into SDI format image signal and outputs the combined SDI format image signal. In addition, the present invention provides an apparatus switching/routing image signals through grid based networking, in which broadband switching or routing is performed with multiple narrow band switches or routers by switching or routing image signals through bandwidth splitting and reduction.Type: GrantFiled: October 12, 2016Date of Patent: June 25, 2019Assignee: LUMANTEK Co., LtdInventors: Chun Dae Bak, Chang Su Kim
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Publication number: 20190173278Abstract: An electrostatic discharge (ESD) protection circuit is provided. The ESD protection circuit includes a transient-state detection circuit configured to generate a dynamic triggering signal based on a voltage change rate of a voltage on a first power rail; a voltage detection circuit configured to generate a static triggering signal based on the voltage on the first power rail; a trigger circuit configured to generate a discharge control signal based on the dynamic triggering signal and the static triggering signal; and a main discharge circuit configured to discharge an electric charge from the first power rail to a second power rail based on the discharge control signal.Type: ApplicationFiled: July 18, 2018Publication date: June 6, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung-Pil JANG, Chang-Su KIM, Han-Gu KIM, Moon-Seok YANG, Kyoung-Ki JEON
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Publication number: 20180373510Abstract: In a method of compiling an updated program having a plurality of updated functions that is updated from an original program having a plurality of original functions, it is determined whether a first original function corresponding to a first updated function exists, it is determined whether the first updated function is changed from the first original function, a first optimization combination for the first updated function is searched when the first original function does not exist or when the first updated function is changed from the first original function, a second optimization combination applied to the first original function is read from a configuration database storing optimization combinations for the original functions when the first original function exists and the first updated function is not changed from the first original function, and the updated program is compiled using the first optimization combination or the second optimization combination.Type: ApplicationFiled: January 10, 2018Publication date: December 27, 2018Applicant: POSTECH ACADEMY-INDUSTRY FOUNDATIONInventors: HYE-YEON CHUNG, Han-Jun Kim, Jong-Won Lee, Chang-su Kim, Seon-Yeong Heo, Jun-Mo Park, Jong-Hee Yoon
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Publication number: 20180330885Abstract: A multilayer ceramic capacitor includes a ceramic body having a plurality of dielectric layers stacked therein, and first and second internal electrodes alternately disposed with at least one among the plurality of dielectric layers interposed therebetween. The first internal electrodes include first and second lead portions exposed to a mounting surface of the ceramic body, and disposed to be spaced apart from each other in a length direction of the ceramic body. The second internal electrodes include a third lead portion exposed to the mounting surface of the ceramic body, and disposed between the first and second lead portions in the length direction of the ceramic body.Type: ApplicationFiled: July 9, 2018Publication date: November 15, 2018Inventors: Kyo Kwang LEE, Jin KIM, Young Ghyu AHN, Chang Su KIM
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Patent number: 10121776Abstract: A film-type semiconductor package includes a semiconductor integrated circuit and a dummy metal pattern. The semiconductor integrated circuit is formed on a film and includes an electrostatic discharge (ESD) protection circuit. The dummy metal pattern is formed on the film and is electrically connected to the ESD protection circuit through a first wiring formed on the film.Type: GrantFiled: November 30, 2016Date of Patent: November 6, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung-Jun Song, Young-Min Kim, Chang-Su Kim, Han-Gu Kim
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Patent number: 10079101Abstract: A multilayer ceramic capacitor includes a ceramic body having a plurality of dielectric layers stacked therein, and first and second internal electrodes alternately disposed with at least one among the plurality of dielectric layers interposed therebetween. The first internal electrodes include first and second lead portions exposed to a mounting surface of the ceramic body, and disposed to be spaced apart from each other in a length direction of the ceramic body. The second internal electrodes include a third lead portion exposed to the mounting surface of the ceramic body, and disposed between the first and second lead portions in the length direction of the ceramic body.Type: GrantFiled: February 26, 2016Date of Patent: September 18, 2018Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Kyo Kwang Lee, Jin Kim, Young Ghyu Ahn, Chang Su Kim