Patents by Inventor Jin-seok Jang

Jin-seok Jang 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: 12341460
    Abstract: A position sensor of a motor includes: a housing in which a hollow is formed and an accommodation space is formed as surrounding the hollow; a ground ring formed through an inner circumferential surface of the housing; a first PCB installed in the accommodation space and formed with a first circuit part; an induction unit facing the first PCB and rotates; a connecting bushing embedded in the housing and electrically connected to the ground by a fastening member; and a relay unit installed in the accommodation space and relaying the ground ring and the connection bushing. The ground ring is formed with a body formed through the inner circumferential surface, a contact part formed on one side of the body and disposed of in the hollow, and a first connection part extending from the other side of the body and contacting the relay unit.
    Type: Grant
    Filed: September 23, 2021
    Date of Patent: June 24, 2025
    Assignee: YURA TECH CO., LTD.
    Inventors: Jae Moon Jung, Byung Wook Kwon, Jin Seok Jang, Ji Hoon Park
  • Publication number: 20240063734
    Abstract: A position sensor of a motor includes: a housing in which a hollow is formed and an accommodation space is formed as surrounding the hollow; a ground ring formed through an inner circumferential surface of the housing; a first PCB installed in the accommodation space and formed with a first circuit part; an induction unit facing the first PCB and rotates; a connecting bushing embedded in the housing and electrically connected to the ground by a fastening member; and a relay unit installed in the accommodation space and relaying the ground ring and the connection bushing. The ground ring is formed with a body formed through the inner circumferential surface, a contact part formed on one side of the body and disposed of in the hollow, and a first connection part extending from the other side of the body and contacting the relay unit.
    Type: Application
    Filed: September 23, 2021
    Publication date: February 22, 2024
    Inventors: Jae Moon JUNG, Byung Wook KWON, Jin Seok JANG, Ji Hoon PARK
  • Patent number: 10739901
    Abstract: A display device includes: a display panel including a first surface on which an image is displayed and a second surface opposing the first surface, and a touch sensor, wherein the touch sensor includes a plurality of driving electrodes, a plurality of sensing electrodes disposed to intersect the plurality of driving electrodes, and a touch controller supplying driving signals to the plurality of driving electrodes, wherein, as the display panel is folded or curved, the touch controller sequentially supplies driving signals to the plurality of driving electrodes or simultaneously supplies the driving signals to at least two driving electrodes among the plurality of driving electrodes.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: August 11, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joo Han Bae, Chang Min Park, Jin Seok Jang, Jae Won Choi
  • Publication number: 20180129341
    Abstract: A display device includes: a display panel including a first surface on which an image is displayed and a second surface opposing the first surface, and a touch sensor, wherein the touch sensor includes a plurality of driving electrodes, a plurality of sensing electrodes disposed to intersect the plurality of driving electrodes, and a touch controller supplying driving signals to the plurality of driving electrodes, wherein, as the display panel is folded or curved, the touch controller sequentially supplies driving signals to the plurality of driving electrodes or simultaneously supplies the driving signals to at least two driving electrodes among the plurality of driving electrodes.
    Type: Application
    Filed: October 30, 2017
    Publication date: May 10, 2018
    Inventors: Joo Han Bae, Chang Min Park, Jin Seok Jang, Jae Won Choi
  • Patent number: 9819234
    Abstract: Disclosed therein is a method of operating a variable magnetic flux motor. The method of operating the variable magnetic flux motor, which includes a rotor and a stator located inside the rotor, the rotor including first magnets and second magnets having a coercive force weaker than that of the first magnets, includes: a first step of operating the motor in an initially magnetized state of the second magnets; and a second step of operating the motor in an inversedly magnetized state of the second magnets by applying a magnetomotive force to the second magnets in the opposite direction to the magnetization direction of the second magnets.
    Type: Grant
    Filed: January 9, 2014
    Date of Patent: November 14, 2017
    Assignee: NEW MOTECH CO., LTD.
    Inventors: Jeong Cheol Jang, Je Hyung Seo, Woon Pil Jung, Jin Seok Jang, Byung Taek Kim
  • Publication number: 20160344242
    Abstract: Disclosed is a variable magnetic flux motor having rotor in which two different kinds of magnets are embedded. The variable magnetic flux motor includes: a rotor; a stator located inside of the rotor; and magnets including first magnets and second magnets mounted at outer perimeter of the rotor, four pairs of second magnets being arranged by a right angle based on the rotor, a plurality of unit rotor cores being arranged between each of the four pairs of the second magnets, each of the four pairs of the second magnets is facing each other, wherein an amount of magnetic flux of the second magnets is regulated through a difference in a coercive force generated between the first magnets and the second magnets.
    Type: Application
    Filed: August 2, 2016
    Publication date: November 24, 2016
    Applicant: NEW MOTECH CO., LTD.
    Inventors: Jeong Cheol JANG, Je Hyung SEO, Soo Hyun PARK, Woon Pil JUNG, Hugh Jin CHO, Byung Taek KIM, Jin Seok JANG
  • Patent number: 9306423
    Abstract: Disclosed therein is a motor with a variable magnetic flux, which includes a rotor and a stator located inside the rotor. The rotor includes a rotor housing, a plurality of unit rotor cores and magnets which are attached to the inner wall surface of the rotor housing, and the unit rotor cores and the magnets are arranged in turn. The stator includes a stator core base and a plurality of teeth radially formed on the outer peripheral surface of the stator core base at equal intervals, and each of the teeth has ears formed at both sides of an end thereof.
    Type: Grant
    Filed: October 1, 2013
    Date of Patent: April 5, 2016
    Assignee: NEW MOTECH CO., LTD
    Inventors: Jeong Cheol Jang, Je Hyung Seo, Soo Hyun Park, Woon Pil Jung, Hugh Jin Cho, Seung Jae Lee, Byung Taek Kim, Jin Seok Jang
  • Publication number: 20150380993
    Abstract: Disclosed therein is a method of operating a variable magnetic flux motor. The method of operating the variable magnetic flux motor, which includes a rotor and a stator located inside the rotor, the rotor including first magnets and second magnets having a coercive force weaker than that of the first magnets, includes: a first step of operating the motor in an initially magnetized state of the second magnets; and a second step of operating the motor in an inversedly magnetized state of the second magnets by applying a magnetomotive force to the second magnets in the opposite direction to the magnetization direction of the second magnets.
    Type: Application
    Filed: January 9, 2014
    Publication date: December 31, 2015
    Inventors: Jeong Cheol JANG, Je Hyung SEO, Woon Pil JUNG, Jin Seok JANG, Byung Taek KIM
  • Patent number: 9221706
    Abstract: An apparatus for forming a glass, the apparatus including a lower mold and an upper mold is disclosed. The lower mold may be configured to support a central portion of a lower surface of the glass. The upper mold may be configured to make point contact with an edge portion of an upper surface of the glass. The upper mold may press the edge portion of the upper surface of the glass to form a rounded portion of the edge portion of the glass. An apparatus for forming a glass, the apparatus including: a lower mold configured to make point contact with an edge portion of a lower surface of the glass; and an upper mold configured to press an interior portion of the upper surface of the glass to form a rounded portion at the edge portion of the glass, is also disclosed.
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: December 29, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Seok Jang, Jong-Hwan Kim, Kwan-Young Han, Seong-Jin Hwang, Jae-Seung Jeon, Dae-Sik Hong
  • Publication number: 20150069876
    Abstract: Disclosed therein is variable magnetic flux motor, which includes a rotor and a stator located inside the rotor. The rotor includes a rotor housing, a plurality of unit rotor cores and magnets which are attached to the inner wall face of the rotor housing, and the unit rotor cores and the magnets are arranged in turn. The stator includes a stator core base, and a plurality of teeth radially formed on the outer peripheral surface of the stator core base at equal intervals, and each of the teeth has ears formed at both sides of an end thereof.
    Type: Application
    Filed: February 21, 2013
    Publication date: March 12, 2015
    Inventors: Jeong Cheol Jang, Je Hyung Seo, Soo Hyun Park, Woon Pil Jung, Hugh Jin Cho, Byung Taek Kim, Jin Seok Jang
  • Patent number: 8928832
    Abstract: A liquid crystal display that can be slimly formed. The liquid crystal display may include: a liquid crystal display panel; a backlight unit including: a light source; and a light guide plate receiving light emitted from the light source and diffusing the received light; and a frame receiving the liquid crystal display panel and the backlight unit. The frame includes: a chassis including a bottom part and a side wall, the bottom part having insertion holes; and a molding that is combined with the chassis through the insertion holes. In addition, the bottom part of the chassis is formed with protrusions adjacent to the insertion holes and the protrusions protrude in a direction opposite to a direction in which the molding is combined with the insertion holes of the chassis.
    Type: Grant
    Filed: May 24, 2011
    Date of Patent: January 6, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Seok Jang, Seung-Mock Ro, Joo-Young Lee, Nam-Jin Jang, Won-Il Lee
  • Publication number: 20150000339
    Abstract: An apparatus for forming a glass, the apparatus including a lower mold and an upper mold is disclosed. The lower mold may be configured to support a central portion of a lower surface of the glass. The upper mold may be configured to make point contact with an edge portion of an upper surface of the glass. The upper mold may press the edge portion of the upper surface of the glass to form a rounded portion of the edge portion of the glass. An apparatus for forming a glass, the apparatus including: a lower mold configured to make point contact with an edge portion of a lower surface of the glass; and an upper mold configured to press an interior portion of the upper surface of the glass to form a rounded portion at the edge portion of the glass, is also disclosed.
    Type: Application
    Filed: March 7, 2014
    Publication date: January 1, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jin-Seok Jang, Jong-Hwan Kim, Kwan-Young Han, Seong-Jin Hwang, Jae-Seung Jeon, Dae-Sik Hong
  • Publication number: 20150000340
    Abstract: An apparatus for forming a glass, the apparatus including a lower mold, a fixing mold and an upper mold is disclosed. The lower mold may be configured to support a central portion of a lower surface of the glass. The fixing mold may be configured to support a central portion of an upper surface of the glass. The upper mold may press two edge portions of the upper surface of the glass to form rounded portions at the two edge portions of the glass. An apparatus for forming a glass, the apparatus including: a lower mold configured to press two edge portions of a lower surface of the glass to form rounded portions at the two edge portions of the glass; a fixing mold configured to support a central portion of the lower surface of the glass; and an upper mold configured to support a central portion of an upper surface of the glass is also disclosed.
    Type: Application
    Filed: March 18, 2014
    Publication date: January 1, 2015
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin-Seok Jang, Jong-Hwan Kim, Kwan-Young Han, Seong-Jin Hwang, Jae-Seung Jeon, Dae-Sik Hong
  • Publication number: 20140373573
    Abstract: An apparatus for manufacturing 3D glass, the apparatus including: a molding part for molding a glass substrate; an assembling and disassembling part for carrying-out the molded glass substrate and replacing the molded glass substrate with an other glass substrate; and a loading part for loading the molded glass substrate is disclosed. A method for manufacturing 3D glass including: carrying-in a mold including a glass substrate into a chamber of a molding part; preheating the carried-in mold; molding the glass substrate by pressing the heated mold; cooling the molded glass substrate; and carrying-out the molded glass substrate and carrying-in an other glass substrate into the mold is also disclosed.
    Type: Application
    Filed: October 28, 2013
    Publication date: December 25, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Seong Jin Hwang, Jong Hwan Kim, Jin Seok Jang, Kwan Young Han, Hyoung Suk Roh, Jae Seung Jeon
  • Publication number: 20140285921
    Abstract: There is provided a spindle motor including: a stator core fixedly installed on a stator; a driving magnet having a center thereof disposed to coincide with that of the stator core in an axial direction; and a rotor hub including a hub body having a disk shape, a magnet mounting part extended from an edge of the hub body in a downward axial direction and having the driving magnet installed on an inner peripheral surface thereof, and a disk supporting part extended from the magnet mounting part in a radial direction, wherein the stator includes a base member, and a pulling magnet is installed on at least one of a lower surface of the disk supporting part and an upper surface of the base member disposed to face the lower surface of the disk supporting part.
    Type: Application
    Filed: July 23, 2013
    Publication date: September 25, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Kyu LEE, Jin Seok Jang, Hong Joo Lee
  • Publication number: 20140152135
    Abstract: Disclosed therein is a motor with a variable magnetic flux, which includes a rotor and a stator located inside the rotor. The rotor includes a rotor housing, a plurality of unit rotor cores and magnets which are attached to the inner wall surface of the rotor housing, and the unit rotor cores and the magnets are arranged in turn. The stator includes a stator core base and a plurality of teeth radially formed on the outer peripheral surface of the stator core base at equal intervals, and each of the teeth has ears formed at both sides of an end thereof.
    Type: Application
    Filed: October 1, 2013
    Publication date: June 5, 2014
    Applicant: NEW MOTECH CO., LTD.
    Inventors: Jeong Cheol Jang, Je Hyung Seo, Soo Hyun Park, Woon Pil Jung, Hugh Jin Cho, Seung Jae Lee, Byung Taek Kim, Jin Seok Jang
  • Publication number: 20140152137
    Abstract: Disclosed therein is a motor with a variable magnetic flux, which includes a rotor and a stator located inside the rotor. The rotor includes a rotor housing, a rotor core attached to the inner circumference of the rotor housing, and magnets attached to the inner surface of the rotor core. The stator includes a stator core base and a plurality of teeth radially formed on the outer peripheral surface of the stator core base at equal intervals, and each of the teeth has ears formed at both sides of an end thereof. The magnets are divided into first magnets and second magnets, the second magnets are low in coercive force than the first magnets, and a plurality of the first magnets are located at both sides of the second magnets.
    Type: Application
    Filed: October 1, 2013
    Publication date: June 5, 2014
    Applicant: NEW MOTECH CO., LTD.
    Inventors: Jeong Cheol JANG, Je Hyung SEO, Soo Hyun PARK, Woon Pil JUNG, Hugh Jin CHO, Seung Jae LEE, Byung Taek KIM, Jin Seok JANG
  • Patent number: 8654274
    Abstract: A backlight assembly is provided. The backlight assembly includes a mold frame having a tetragonal frame shape and including four side parts and a bottom part extending from bottoms of the side parts, a printed circuit board disposed on the bottom part of the mold frame, at least one light source disposed on the printed circuit board, and a light guide sheet disposed at a side of the light source and accommodated in the mold frame.
    Type: Grant
    Filed: August 19, 2011
    Date of Patent: February 18, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joo-Young Lee, Myeong-An Min, Jin-Seok Jang
  • Publication number: 20120169958
    Abstract: A backlight assembly is provided. The backlight assembly includes a mold frame having a tetragonal frame shape and including four side parts and a bottom part extending from bottoms of the side parts, a printed circuit board disposed on the bottom part of the mold frame, at least one light source disposed on the printed circuit board, and a light guide sheet disposed at a side of the light source and accommodated in the mold frame.
    Type: Application
    Filed: August 19, 2011
    Publication date: July 5, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Joo-Young Lee, Myeong-An Min, Jin-Seok Jang
  • Publication number: 20120162565
    Abstract: A liquid crystal display device includes a display panel structure, and a back light unit configured to supply light to the display panel structure, wherein the display panel structure includes a light shield configured to shield some of light supplied to the display panel structure, and the light shield is formed over an edge portion of the display panel structure.
    Type: Application
    Filed: August 10, 2011
    Publication date: June 28, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Won Il Lee, Jin-Seok Jang, Myeong-An Min