Patents by Inventor Hyun-Chul Jeong
Hyun-Chul Jeong 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: 11958546Abstract: The present disclosure relates to a steering control device and a steering assist system including same. Particularly, a steering control device according to the present disclosure comprises an input-side steering control device which includes: a first controller connected to an output-side steering control device via at least one first communication bus; and a second controller connected to the output-side steering control device via at least one second communication bus and connected to the first controller via at least one third communication bus.Type: GrantFiled: June 11, 2020Date of Patent: April 16, 2024Assignee: HL MANDO CORPORATIONInventors: Min Woo Jeong, Sun Hong Park, Hyun Chul Tae
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Patent number: 11930606Abstract: A display device includes: a display module comprising a first non-folding area, a second non-folding area, and a folding area between the first non-folding area and the second non-folding area; a first plate under the display module at the first non-folding area; and a second plate under the display module at the second non-folding area and spaced apart from the first plate, at least one of the first or second plates comprising: a first support layer; a second support layer facing the first support layer; and an encapsulation layer between the first and second support layers along an edge of the first and second support layers and encapsulating a separation space formed between the first and second support layers in a corresponding non-folding area of the first and second non-folding areas.Type: GrantFiled: August 9, 2021Date of Patent: March 12, 2024Assignee: Samsung Display Co., Ltd.Inventors: Sungsang Ahn, Hyun Chul Jeong, Wonju Choi
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Publication number: 20230350462Abstract: A display device variable between a first mode and a second mode includes a display module including a first portion, a second portion disposed under the first portion, and a third portion disposed between the first portion and the second portion, where the third portion is bent in the first mode, a support part including a support plate disposed under the first portion and a plurality of support bars under the second portion and the third portion, a plate part disposed under the support part and including a magnet part movable in a first direction to be away from or to approach the first portion, and a driving part disposed under the plate part. When being switched from the first mode to the second mode, the third portion is disposed parallel to the first portion, and the magnet part moves in the first direction to overlap the third portion.Type: ApplicationFiled: June 16, 2020Publication date: November 2, 2023Inventors: Taehyeog JUNG, Tae-Chang KIM, Hyun Chul JEONG, Soyoun JUNG
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Patent number: 11581749Abstract: An electronic device includes a display module including a first region exposed to an outside in first and second modes and a second region extending from the first region, where the second region is partially opposite to the first region in the first mode or is partially exposed in the second mode, the second region includes a curved region in the first mode and a flat region extending from the curved region and opposite to the first region, a supporting member disposed below the display module, a case which contains the display module and the supporting member, where the first and second modes are determined based on a sliding motion of the case, and a wireless charging coil which is contained in the case and shielded by the supporting member in the first mode, and does not overlap the supporting member in the second mode.Type: GrantFiled: January 5, 2021Date of Patent: February 14, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chanhui Han, Sungsang Ahn, Hyun Chul Jeong
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Publication number: 20220159847Abstract: A display device includes: a display module comprising a first non-folding area, a second non-folding area, and a folding area between the first non-folding area and the second non-folding area; a first plate under the display module at the first non-folding area; and a second plate under the display module at the second non-folding area and spaced apart from the first plate, at least one of the first or second plates comprising: a first support layer; a second support layer facing the first support layer; and an encapsulation layer between the first and second support layers along an edge of the first and second support layers and encapsulating a separation space formed between the first and second support layers in a corresponding non-folding area of the first and second non-folding areas.Type: ApplicationFiled: August 9, 2021Publication date: May 19, 2022Inventors: SUNGSANG AHN, HYUN CHUL JEONG, WONJU CHOI
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Publication number: 20210336456Abstract: An electronic device includes a display module including a first region exposed to an outside in first and second modes and a second region extending from the first region, where the second region is partially opposite to the first region in the first mode or is partially exposed in the second mode, the second region includes a curved region in the first mode and a flat region extending from the curved region and opposite to the first region, a supporting member disposed below the display module, a case which contains the display module and the supporting member, where the first and second modes are determined based on a sliding motion of the case, and a wireless charging coil which is contained in the case and shielded by the supporting member in the first mode, and does not overlap the supporting member in the second mode.Type: ApplicationFiled: January 5, 2021Publication date: October 28, 2021Inventors: CHANHUI HAN, SUNGSANG AHN, HYUN CHUL JEONG
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Patent number: 10371975Abstract: A backlight unit includes a light guide plate including a first incident surface; a light source module including a first sub-light source module overlapping the first incident surface of the light guide plate in a first direction, where the first sub-light source module provides light to the first incident surface; and a distance adjusting member including a first sub-distance adjusting member overlapping the first incident surface of the light guide plate in the first direction and disposed at a first side of the first sub-light source module and a second sub-distance adjusting member disposed at a second side of the first sub-light source module, which is opposite to the first side of the first sub-light source module. The first sub-distance adjusting member and the second sub-distance adjusting member may move the light guide plate in the first direction.Type: GrantFiled: November 7, 2017Date of Patent: August 6, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sun Ho Lee, Hyun Chul Jeong, Yoon Ki Hong
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Publication number: 20180129095Abstract: A backlight unit includes a light guide plate including a first incident surface; a light source module including a first sub-light source module overlapping the first incident surface of the light guide plate in a first direction, where the first sub-light source module provides light to the first incident surface; and a distance adjusting member including a first sub-distance adjusting member overlapping the first incident surface of the light guide plate in the first direction and disposed at a first side of the first sub-light source module and a second sub-distance adjusting member disposed at a second side of the first sub-light source module, which is opposite to the first side of the first sub-light source module. The first sub-distance adjusting member and the second sub-distance adjusting member may move the light guide plate in the first direction.Type: ApplicationFiled: November 7, 2017Publication date: May 10, 2018Inventors: Sun Ho LEE, Hyun Chul JEONG, Yoon Ki HONG
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Patent number: 9952621Abstract: A display apparatus includes a display module and a front case. The display module displays images. The display module includes a boss fixing member having a combination hole. The front case covers a first surface of the display module and has a first boss that is inserted into the combination hole to combine the front case to the display module. The first boss is formed at inside edges of the display module. The boss fixing member is positioned within the edges of the display module which define the outdimension of the display module.Type: GrantFiled: April 8, 2011Date of Patent: April 24, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun-chul Jeong, Jae-hwan Chun, Jong-ho Won, Sung-won Chung, Jung-ki Kim, Sung-Sun Han, Yu-kwan Kim, Jeong-Ki Kim
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Patent number: 9684122Abstract: Provided is a backlight assembly including: a light source which generates and emits light; a light leakage preventing member including a first horizontal portion and a first vertical portion; a light guide plate including a light input surface and a light output surface; an optical sheet disposed on the light output surface of the light guide plate; and a bottom chassis configured to receive the light source, the light leakage preventing member and the light guide plate therein, in which the light source is disposed at a side of the light guide plate, the first vertical portion of the light leakage preventing member is attached to a rear surface of the light source, and the first horizontal portion is positioned above the light source to overlap a portion of the light output surface of the light guide plate.Type: GrantFiled: December 29, 2014Date of Patent: June 20, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung-Won Kim, Kyu-Tae Park, Hyun Chul Jeong
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Patent number: 9129752Abstract: There are provided a ceramic electronic component and a method of manufacturing the same. The ceramic electronic component includes: a ceramic element; and an internal electrode layer formed within the ceramic element, having a thickness of 0.5 ?m or less, and including a non-electrode region formed therein, wherein an area ratio of the non-electrode region to an electrode region of the internal electrode layer, in a cross section of the internal electrode layer is between 0.1% and 10%, and the non-electrode region includes a ceramic component.Type: GrantFiled: October 4, 2013Date of Patent: September 8, 2015Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jong Han Kim, Hyun Chul Jeong
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Publication number: 20150185409Abstract: Provided is a backlight assembly including: a light source which generates and emits light; a light leakage preventing member including a first horizontal portion and a first vertical portion; a light guide plate including a light input surface and a light output surface; an optical sheet disposed on the light output surface of the light guide plate; and a bottom chassis configured to receive the light source, the light leakage preventing member and the light guide plate therein, in which the light source is disposed at a side of the light guide plate, the first vertical portion of the light leakage preventing member is attached to a rear surface of the light source, and the first horizontal portion is positioned above the light source to overlap a portion of the light output surface of the light guide plate.Type: ApplicationFiled: December 29, 2014Publication date: July 2, 2015Inventors: Sung-Won KIM, Kyu-Tae PARK, Hyun Chul JEONG
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Patent number: 8867190Abstract: There is provided a multilayer ceramic electronic component, including: a ceramic main body including a dielectric layer; and inner electrodes disposed to face each other within the ceramic main body, with the dielectric layer interposed therebetween, wherein, when an average thickness of the dielectric layer is td and an average thickness of the inner electrodes is te, 0.1 ?m?te?0.5 ?m and (td+te)/te?2.5 are satisfied, and when an average surface roughness on a virtual surface roughness center line of the inner electrode is Ra and an average roughness of ten points of the inner electrode is Rz, 5 nm?Ra?30 nm, 150 nm?Rz?td/2, and 8?Rz/Ra?20 are satisfied. The multilayer ceramic electronic component has excellent reliability by improving adhesion strength between the dielectric layer and the inner electrodes and withstand voltage characteristics.Type: GrantFiled: December 21, 2011Date of Patent: October 21, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jong Han Kim, Hyun Chul Jeong, Jae Man Park
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Publication number: 20140166938Abstract: The present invention relates to a conductive polymer composition having high viscosity and high conductivity, and more particularly, to a conductive polymer composition having excellent electrical conductivity and stability by adding a thixotropic agent, which is dissociated in an aqueous solution to generate negative charges, to PEDOT.Type: ApplicationFiled: May 22, 2013Publication date: June 19, 2014Applicant: Nuri Vista Co. Ltd.Inventors: Yong-Hyun JIN, Soon-Mo Song, Seong-Sil Park, Tae-Il Hwang, Hyun-Chul Jeong
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Patent number: 8737037Abstract: There are provided a ceramic electronic component and a method of manufacturing the same. The ceramic electronic component includes: a ceramic element; and an internal electrode layer formed within the ceramic element, having a thickness of 0.5 ?m or less, and including a non-electrode region formed therein, wherein an area ratio of the non-electrode region to an electrode region of the internal electrode layer, in a cross section of the internal electrode layer is between 0.1% and 10%, and the non-electrode region includes a ceramic component.Type: GrantFiled: December 21, 2011Date of Patent: May 27, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jong Han Kim, Hyun Chul Jeong
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Publication number: 20140036408Abstract: There are provided a ceramic electronic component and a method of manufacturing the same. The ceramic electronic component includes: a ceramic element; and an internal electrode layer formed within the ceramic element, having a thickness of 0.5 ?m or less, and including a non-electrode region formed therein, wherein an area ratio of the non-electrode region to an electrode region of the internal electrode layer, in a cross section of the internal electrode layer is between 0.1% and 10%, and the non-electrode region includes a ceramic component.Type: ApplicationFiled: October 4, 2013Publication date: February 6, 2014Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jong Han KIM, Hyun Chul JEONG
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Patent number: 8570710Abstract: There is provided multilayered ceramic electronic component having a 0603 size or less, the multilayered ceramic electronic component including: a ceramic body including a plurality of internal electrodes and dielectric layers disposed between the internal electrodes; and external electrodes disposed on outer surfaces of the ceramic body and electrically connected to the internal electrodes, wherein when a region in which the internal electrodes are overlapped is defined as an active region in a cross section of a central portion in a length direction of the ceramic body, taken in width and thickness directions thereof, the entire area of the cross section taken in the width and thickness directions is defined as At, and an area of the active region is defined as Aa, the following equation is satisfied: 65%?Aa/At?90%.Type: GrantFiled: January 23, 2012Date of Patent: October 29, 2013Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jong Han Kim, Hyun Chul Jeong
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Publication number: 20130112338Abstract: There is provided a method of manufacturing a multilayer ceramic capacitor including: laminating ceramic green sheets having internal electrodes printed thereon to form a ceramic laminated body; cutting the ceramic laminated body; applying slurry including a ceramic powder to the ceramic laminated body; and drying the slurry applied to the ceramic laminated body. According to an embodiment of the present invention, cracks generated in a manufacturing process of the multilayer ceramic capacitor may be removed, such that the multilayer ceramic capacitor may have excellent reliability.Type: ApplicationFiled: September 11, 2012Publication date: May 9, 2013Inventors: Young Ho Kim, Jong Han Kim, Hyun Chul Jeong
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Publication number: 20130094118Abstract: There is provided multilayered ceramic electronic component having a 0603 size or less, the multilayered ceramic electronic component including: a ceramic body including a plurality of internal electrodes and dielectric layers disposed between the internal electrodes; and external electrodes disposed on outer surfaces of the ceramic body and electrically connected to the internal electrodes, wherein when a region in which the internal electrodes are overlapped is defined as an active region in a cross section of a central portion in a length direction of the ceramic body, taken in width and thickness directions thereof, the entire area of the cross section taken in the width and thickness directions is defined as At, and an area of the active region is defined as Aa, the following equation is satisfied: 65%?Aa/At?90%.Type: ApplicationFiled: January 23, 2012Publication date: April 18, 2013Inventors: Jong Han KIM, Hyun Chul Jeong
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Publication number: 20130063862Abstract: There is provided a multilayer ceramic electronic component, including: a ceramic main body including a dielectric layer; and inner electrodes disposed to face each other within the ceramic main body, with the dielectric layer interposed therebetween, wherein, when an average thickness of the dielectric layer is td and an average thickness of the inner electrodes is te, 0.1 ?m?te?0.5 ?m and (td+te)/te?2.5 are satisfied, and when an average surface roughness on a virtual surface roughness center line of the inner electrode is Ra and an average roughness of ten points of the inner electrode is Rz, 5 nm?Ra?30 nm, 150 nm?Rz?td/2, and 8?Rz/Ra?20 are satisfied. The multilayer ceramic electronic component has excellent reliability by improving adhesion strength between the dielectric layer and the inner electrodes and withstand voltage characteristics.Type: ApplicationFiled: December 21, 2011Publication date: March 14, 2013Inventors: Jong Han KIM, Hyun Chul Jeong, Jae Man Park