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).

  • Patent number: 11958546
    Abstract: 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: Grant
    Filed: June 11, 2020
    Date of Patent: April 16, 2024
    Assignee: HL MANDO CORPORATION
    Inventors: Min Woo Jeong, Sun Hong Park, Hyun Chul Tae
  • Patent number: 11930606
    Abstract: 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: Grant
    Filed: August 9, 2021
    Date of Patent: March 12, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sungsang Ahn, Hyun Chul Jeong, Wonju Choi
  • Publication number: 20230350462
    Abstract: 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: Application
    Filed: June 16, 2020
    Publication date: November 2, 2023
    Inventors: Taehyeog JUNG, Tae-Chang KIM, Hyun Chul JEONG, Soyoun JUNG
  • Patent number: 11581749
    Abstract: 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: Grant
    Filed: January 5, 2021
    Date of Patent: February 14, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chanhui Han, Sungsang Ahn, Hyun Chul Jeong
  • Publication number: 20220159847
    Abstract: 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: Application
    Filed: August 9, 2021
    Publication date: May 19, 2022
    Inventors: SUNGSANG AHN, HYUN CHUL JEONG, WONJU CHOI
  • Publication number: 20210336456
    Abstract: 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: Application
    Filed: January 5, 2021
    Publication date: October 28, 2021
    Inventors: CHANHUI HAN, SUNGSANG AHN, HYUN CHUL JEONG
  • Patent number: 10371975
    Abstract: 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: Grant
    Filed: November 7, 2017
    Date of Patent: August 6, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sun Ho Lee, Hyun Chul Jeong, Yoon Ki Hong
  • Publication number: 20180129095
    Abstract: 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: Application
    Filed: November 7, 2017
    Publication date: May 10, 2018
    Inventors: Sun Ho LEE, Hyun Chul JEONG, Yoon Ki HONG
  • Patent number: 9952621
    Abstract: 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: Grant
    Filed: April 8, 2011
    Date of Patent: April 24, 2018
    Assignee: 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
  • Patent number: 9684122
    Abstract: 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: Grant
    Filed: December 29, 2014
    Date of Patent: June 20, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung-Won Kim, Kyu-Tae Park, Hyun Chul Jeong
  • Patent number: 9129752
    Abstract: 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: Grant
    Filed: October 4, 2013
    Date of Patent: September 8, 2015
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jong Han Kim, Hyun Chul Jeong
  • Publication number: 20150185409
    Abstract: 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: Application
    Filed: December 29, 2014
    Publication date: July 2, 2015
    Inventors: Sung-Won KIM, Kyu-Tae PARK, Hyun Chul JEONG
  • Patent number: 8867190
    Abstract: 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: Grant
    Filed: December 21, 2011
    Date of Patent: October 21, 2014
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jong Han Kim, Hyun Chul Jeong, Jae Man Park
  • Publication number: 20140166938
    Abstract: 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: Application
    Filed: May 22, 2013
    Publication date: June 19, 2014
    Applicant: Nuri Vista Co. Ltd.
    Inventors: Yong-Hyun JIN, Soon-Mo Song, Seong-Sil Park, Tae-Il Hwang, Hyun-Chul Jeong
  • Patent number: 8737037
    Abstract: 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: Grant
    Filed: December 21, 2011
    Date of Patent: May 27, 2014
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jong Han Kim, Hyun Chul Jeong
  • Publication number: 20140036408
    Abstract: 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: Application
    Filed: October 4, 2013
    Publication date: February 6, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jong Han KIM, Hyun Chul JEONG
  • Patent number: 8570710
    Abstract: 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: Grant
    Filed: January 23, 2012
    Date of Patent: October 29, 2013
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jong Han Kim, Hyun Chul Jeong
  • Publication number: 20130112338
    Abstract: 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: Application
    Filed: September 11, 2012
    Publication date: May 9, 2013
    Inventors: Young Ho Kim, Jong Han Kim, Hyun Chul Jeong
  • Publication number: 20130094118
    Abstract: 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: Application
    Filed: January 23, 2012
    Publication date: April 18, 2013
    Inventors: Jong Han KIM, Hyun Chul Jeong
  • Publication number: 20130063862
    Abstract: 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: Application
    Filed: December 21, 2011
    Publication date: March 14, 2013
    Inventors: Jong Han KIM, Hyun Chul Jeong, Jae Man Park