Patents by Inventor Da Young Choi
Da Young Choi 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: 20240124032Abstract: An automated driving system of a vehicle includes a driver monitoring unit configured to perform at least one of monitoring a gaze of a driver and determining a position of a hand of the driver, an automated-driving-level switching unit configured to determine whether a transition of a driving control over the vehicle is required based on whether driving environment of the vehicle has changed during the vehicle being driven under control of the automated driving system, and determine an automated driving level to be switched based on a driver monitoring result obtained by the drive monitoring unit, and an automated driving control unit configured to control the vehicle according to the automated driving level.Type: ApplicationFiled: June 29, 2023Publication date: April 18, 2024Applicants: Hyundai Motor Company, Kia CorporationInventors: Eun Young CHOI, Woo Jin KIM, Ki Seok SEONG, Dong Il YANG, Da Ye PYUN
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Publication number: 20240117153Abstract: A sandwich panel for an automobile includes a core layer, a surface layer, and an adhesive layer. The core layer includes glass fibers and thermoplastic resins and defines an optimal weight and thickness to provide flexural performance and non-flammability. The sandwich panel provides a flame barrier layer, which is a non-combustible layer during ignition and prevents flame from leaking to the outside of the panel.Type: ApplicationFiled: April 7, 2023Publication date: April 11, 2024Inventors: Duck Hyoung HWANG, Hyun Jun KIM, Hyo Sang AHN, Sang Hyun RHO, Suk JANG, Myung LEE, Da Young YU, Hyun Jin CHOI, Do Hyoung KIM, Chan Ho JUNG
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Patent number: 8941971Abstract: There are provided a multilayer ceramic electronic component comprising: a ceramic main body including a dielectric layer and having first and second main faces, third and fourth side faces opposed in a length direction, and fifth and sixth faces opposed in a width direction; first and second internal electrodes; and one or more first external electrodes formed on the fifth face and one or more second external electrodes formed on the sixth face, wherein the first and second external electrodes have an average thickness ranging from 3 ?m to 30 ?m, and when at least one of the first and second external electrodes is divided into three equal parts in a thickness direction, an area of glass in central area portions thereof is 35% to 80% of the total areas of the central area portions.Type: GrantFiled: August 8, 2012Date of Patent: January 27, 2015Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Myung Jun Park, Kyu Ha Lee, Da Young Choi, Chang Hoon Kim, Hyun Hee Gu, Jae Young Park, Sang Hoon Kwon, Byung Jun Jeon
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Patent number: 8941972Abstract: There are provided a multilayer ceramic electronic component and a method of manufacturing the same. The multilayer ceramic electronic component includes: a ceramic body including a dielectric layer; first and second internal electrodes disposed within the ceramic body to face each other, while having the dielectric layer interposed therebetween; and first external electrodes electrically connected to first and second internal electrodes and second external electrodes formed on the first external electrodes, wherein the first and second external electrodes include a conductive metal and a glass, and when the second external electrodes are divided into three equal parts in a thickness direction, an area of the glass in central parts thereof with respect to an area of the central parts is 30 to 80%. Therefore, sealing properties of a chip is improved, whereby a multilayer ceramic electronic component having improved reliability may be implemented.Type: GrantFiled: August 10, 2012Date of Patent: January 27, 2015Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Myung Jun Park, Sang Hoon Kwon, Chang Hoon Kim, Hyun Hee Gu, Jae Young Park, Da Young Choi, Kyu Ha Lee, Byung Jun Jeon
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Patent number: 8842413Abstract: There is provided a multilayered ceramic electronic component having a reduced thickness and exhibiting hermetic sealing. In multilayered ceramic electronic component, an external electrode includes two layers, that is, first and second layers, and the first and second layers contain glass with different compositions, respectively. Therefore, the multilayered ceramic electronic component having high reliability, such as strong adhesion between the external electrode and the internal electrode, prevention of glass exudation, or the like, may be obtained.Type: GrantFiled: January 18, 2012Date of Patent: September 23, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Myung Jun Park, Da Young Choi, Byong Gyun Kim, Ji Sook Kim, Byung Jun Jeon, Hyun Hee Gu, Kyu Ha Lee, Gun Jung Yoon, Eun Sang Na
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Patent number: 8837112Abstract: There is provided a multilayer ceramic electronic component, including: a ceramic body including a dielectric layer; a plurality of internal electrodes disposed to face each other within the ceramic body, having the dielectric layer interposed therebetween; and external electrodes electrically connected to the internal electrodes, wherein the ceramic body includes an active layer corresponding to a capacitance forming part and a cover layer formed on at least one of an upper surface and a lower surface of the active layer and corresponding to a non-capacitance forming part, an average thickness of the cover layer is 15 ?m or less, the external electrodes include a conductive metal and a glass, and when an area of the external electrodes occupied by the glass is A and an area thereof occupied by the conductive metal is B, 0.05?A/B?0.6 is satisfied.Type: GrantFiled: September 14, 2012Date of Patent: September 16, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hyun Hee Gu, Myung Jun Park, Kyu Ha Lee, Da Young Choi, Jae Young Park, Sang Hoon Kwon, Byung Jun Jeon
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Patent number: 8792223Abstract: There is provided a multilayer ceramic electronic component including: a ceramic body including a dielectric layer; a plurality of internal electrodes disposed within the ceramic body to face each other, having the dielectric layer interposed therebetween; and external electrodes electrically connected to the plurality of internal electrodes, wherein the ceramic body includes an active layer corresponding to a capacitance forming part and a cover layer formed on at least one of an upper surface and a lower surface of the active layer and corresponding to a non-capacitance forming part, an average thickness of the cover layer is 15 ?m or less, the external electrodes include a conductive metal and glass portions, and when an average length of the glass portions in a length direction of the external electrodes is Ls, Ls?10 ?m is satisfied.Type: GrantFiled: September 14, 2012Date of Patent: July 29, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hyun Hee Gu, Myung Jun Park, Kyu Ha Lee, Da Young Choi, Jae Young Park, Sang Hoon Kwon, Byung Jun Jeon
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Patent number: 8767375Abstract: There are provided a multilayer ceramic electronic component, and a method of fabricating the same. The multilayer ceramic electronic component includes: a ceramic main body including a dielectric layer; first and second internal electrodes disposed to face each other within the ceramic main body; and a first external electrode and a second external electrode, wherein the first and second external electrodes include a conductive metal and glass, and when at least one of the first and second external electrodes is divided into three equal parts in a thickness direction, an area of the glass in a central part thereof is 35% to 80% of the total area of the central part. A multilayer ceramic electronic component having improved reliability may be implemented by enhancing chip air-tightness.Type: GrantFiled: August 8, 2012Date of Patent: July 1, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Myung Jun Park, Sang Hoon Kwon, Jae Young Park, Kyu Ha Lee, Byung Jun Jeon, Da Young Choi, Hyun Hee Gu, Chang Hoon Kim
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Publication number: 20140002949Abstract: There is provided a multilayer ceramic electronic component including: a ceramic body including a dielectric layer; a plurality of internal electrodes disposed within the ceramic body to face each other, having the dielectric layer interposed therebetween; and external electrodes electrically connected to the plurality of internal electrodes, wherein the ceramic body includes an active layer corresponding to a capacitance forming part and a cover layer formed on at least one of an upper surface and a lower surface of the active layer and corresponding to a non-capacitance forming part, an average thickness of the cover layer is 15 ?m or less, the external electrodes include a conductive metal and glass portions, and when an average length of the glass portions in a length direction of the external electrodes is Ls, Ls?10 ?m is satisfied.Type: ApplicationFiled: September 14, 2012Publication date: January 2, 2014Inventors: Hyun Hee GU, Myung Jun Park, Kyu Ha Lee, Da Young Choi, Jae Young Park, Sang Hoon Kwon, Byung Jun Jeon
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Publication number: 20140002950Abstract: There is provided a multilayer ceramic electronic component, including: a ceramic body including a dielectric layer; a plurality of internal electrodes disposed to face each other within the ceramic body, having the dielectric layer interposed therebetween; and external electrodes electrically connected to the internal electrodes, wherein the ceramic body includes an active layer corresponding to a capacitance forming part and a cover layer formed on at least one of an upper surface and a lower surface of the active layer and corresponding to a non-capacitance forming part, an average thickness of the cover layer is 15 ?m or less, the external electrodes include a conductive metal and a glass, and when an area of the external electrodes occupied by the glass is A and an area thereof occupied by the conductive metal is B, 0.05?A/B?0.6 is satisfied.Type: ApplicationFiled: September 14, 2012Publication date: January 2, 2014Inventors: Hyun Hee GU, Myung Jun Park, Kyu Ha Lee, Da Young Choi, Jae Young Park, Sang Hoon Kwon, Byung Jun Jeon
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Publication number: 20130148261Abstract: There are provided a conductive paste for an external electrode, a multilayer ceramic electronic component using the same, and a method of manufacturing the same. More particularly, there are provided a conductive paste for an external electrode including: a conductive metal powder; and a spherical glass frit having an average particle size of 0.05 to 3.0 ?m, a multilayer ceramic electronic component using the same, and a method of manufacturing the same. According to the present invention, a spherical glass frit having fine particles may be applied at the time of preparing the conductive paste for an external electrode, thereby realizing external electrodes having excellent compactness at a low temperature and suppressing the occurrence of cracks, and thus, a multilayer ceramic electronic component having excellent reliability can be implemented.Type: ApplicationFiled: February 22, 2012Publication date: June 13, 2013Inventors: Hye Seong KIM, Kyu Ha Lee, Byung Jun Jeon, Hyun Hee Gu, Jae Young Park, Da Young Choi, Eun Joo Choi, Myung Jun Park, Chang Hoon Kim
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Publication number: 20130135788Abstract: There are provided a multilayer ceramic electronic component comprising: a ceramic main body including a dielectric layer and having first and second main faces, third and fourth side faces opposed in a length direction, and fifth and sixth faces opposed in a width direction; first and second internal electrodes; and one or more first external electrodes formed on the fifth face and one or more second external electrodes formed on the sixth face, wherein the first and second external electrodes have an average thickness ranging from 3 ?m to 30 ?m, and when at least one of the first and second external electrodes is divided into three equal parts in a thickness direction, an area of glass in central area portions thereof is 35% to 80% of the total areas of the central area portions.Type: ApplicationFiled: August 8, 2012Publication date: May 30, 2013Inventors: Myung Jun PARK, Kyu Ha Lee, Da Young Choi, Chang Hoon Kim, Hyun Hee Gu, Jae Young Park, Sang Hoon Kwon, Byung Jun Jeon
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Publication number: 20130120898Abstract: There are provided a multilayer ceramic electronic component and a method of manufacturing the same. The multilayer ceramic electronic component includes: a ceramic body including a dielectric layer; first and second internal electrodes disposed within the ceramic body to face each other, while having the dielectric layer interposed therebetween; and first external electrodes electrically connected to first and second internal electrodes and second external electrodes formed on the first external electrodes, wherein the first and second external electrodes include a conductive metal and a glass, and when the second external electrodes are divided into three equal parts in a thickness direction, an area of the glass in central parts thereof with respect to an area of the central parts is 30 to 80%. Therefore, sealing properties of a chip is improved, whereby a multilayer ceramic electronic component having improved reliability may be implemented.Type: ApplicationFiled: August 10, 2012Publication date: May 16, 2013Inventors: Myung Jun PARK, Sang Hoon Kwon, Chang Hoon Kim, Hyun Hee Gu, Jae Young Park, Da Young Choi, Kyu Ha Lee, Byung Jun Jeon
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Publication number: 20130050896Abstract: There are provided a multilayer ceramic electronic component, and a method of fabricating the same. The multilayer ceramic electronic component includes: a ceramic main body including a dielectric layer; first and second internal electrodes disposed to face each other within the ceramic main body; and a first external electrode and a second external electrode, wherein the first and second external electrodes include a conductive metal and glass, and when at least one of the first and second external electrodes is divided into three equal parts in a thickness direction, an area of the glass in a central part thereof is 35% to 80% of the total area of the central part. A multilayer ceramic electronic component having improved reliability may be implemented by enhancing chip air-tightness.Type: ApplicationFiled: August 8, 2012Publication date: February 28, 2013Inventors: Myung Jun PARK, Sang Hoon KWON, Jae Young PARK, Kyu Ha LEE, Byung Jun JEON, Da Young CHOI, Hyun Hee GU, Chang Hoon KIM
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Publication number: 20120295122Abstract: There is provided a multilayered ceramic electronic component having a reduced thickness and exhibiting hermetic sealing. In multilayered ceramic electronic component, an external electrode includes two layers, that is, first and second layers, and the first and second layers contain glass with different compositions, respectively. Therefore, the multilayered ceramic electronic component having high reliability, such as strong adhesion between the external electrode and the internal electrode, prevention of glass exudation, or the like, may be obtained.Type: ApplicationFiled: January 18, 2012Publication date: November 22, 2012Inventors: Myung Jun PARK, Da Young Choi, Byong Gyun Kim, Ji Sook Kim, Byung Jun Jeon, Hyun Hee Gu, Kyu Ha Lee, Gun Jung Yoon, Eun Sang Na