Patents by Inventor Cheol-eun Jang

Cheol-eun 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: 9648307
    Abstract: A display apparatus and a display method of a display apparatus to which a 3D display film is attachable are provided. The display method according to various exemplary embodiments of the present general inventive concept includes sensing whether a 3D display film is attached to or detached from a display apparatus, automatically converting the display apparatus into a 3D mode when the 3D display film is attached to cover a display unit of the display apparatus, and automatically converting into a normal mode when the 3D display film is detached from the display apparatus.
    Type: Grant
    Filed: July 9, 2014
    Date of Patent: May 9, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kun-woo Lee, Woo-jong Cho, Bon-min Koo, Jae-kyu Shim, Cheol-eun Jang, Hee-seung Choi
  • Patent number: 9288477
    Abstract: A light path adjustment apparatus includes: a support plate with a first through hole through which light passes; a plurality of optical units, including first and second optical units, that move between an open location where the first through hole is opened by the optical units moving toward an outside of the first through hole and a closing location where the first through hole is divided into a plurality of regions by the plurality of optical units moving toward the first through hole and blocking at least a part of the light; and a rotation plate that has a second through hole corresponding to the first through hole and is rotatably disposed with respect to the support plate. The first and second optical units correspond to first and second regions of the first through hole, respectively, and are coupled to the support plate and the rotation plate, respectively.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: March 15, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ki-oh Jung, Cheol-eun Jang, Sung-wook Choi, Woo-jong Cho
  • Patent number: 9176362
    Abstract: An optical adjusting device includes: a rotating unit that includes and rotates about a through-hole through which light passes; at least one moving unit that is movably disposed relative to the rotating unit and is linearly movable between an advance position corresponding to the through-hole and a retreat position outside the through-hole; a transmitting unit that is disposed between the rotating unit and the moving unit and transmits a rotational force of the rotating unit to the moving unit; and an optical unit that is disposed on the moving unit and blocks at least part of light passing through the through-hole.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: November 3, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Cheol-eun Jang, Hee-seung Choi, Kun-woo Lee, Woo-jong Cho, Sung-wook Choi
  • Patent number: 8953264
    Abstract: Position detecting apparatus that has a high detecting precision and a lens barrel assembly including the same are disclosed. A position detecting apparatus is provided that includes a base; a magnetic scale spaced apart from the base by a first predetermined distance and movable in a first direction; a first adjustment portion coupled to the base to adjust a second distance from the base; and a sensor rotatably coupled to the first adjustment portion and that senses a change in a position of the magnetic scale.
    Type: Grant
    Filed: April 16, 2012
    Date of Patent: February 10, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Cheol-eun Jang, Sung-wook Choi
  • Publication number: 20150015462
    Abstract: A display apparatus and a display method of a display apparatus to which a 3D display film is attachable are provided. The display method according to various exemplary embodiments of the present general inventive concept includes sensing whether a 3D display film is attached to or detached from a display apparatus, automatically converting the display apparatus into a 3D mode when the 3D display film is attached to cover a display unit of the display apparatus, and automatically converting into a normal mode when the 3D display film is detached from the display apparatus.
    Type: Application
    Filed: July 9, 2014
    Publication date: January 15, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kun-woo LEE, Woo-jong CHO, Bon-min KOO, Jae-kyu SHIM, Cheol-eun JANG, Hee-seung CHOI
  • Patent number: 8863913
    Abstract: An apparatus for transferring an optical element, the apparatus including: a support portion for supporting the optical element; a guide portion for guiding the support portion to move in a rectilinear direction; a brake disposed between a first position that contacts the support portion and restricts a movement of the support portion, and a second position that is spaced apart from the support portion and allows the movement of the support portion to change a position thereof; and a driving portion for driving the brake.
    Type: Grant
    Filed: August 1, 2011
    Date of Patent: October 21, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Cheol-eun Jang, Chan-young Moon, Dong-eui Shin
  • Publication number: 20140168373
    Abstract: A light path adjustment apparatus includes: a support plate with a first through hole through which light passes; a plurality of optical units, including first and second optical units, that move between an open location where the first through hole is opened by the optical units moving toward an outside of the first through hole and a closing location where the first through hole is divided into a plurality of regions by the plurality of optical units moving toward the first through hole and blocking at least a part of the light; and a rotation plate that has a second through hole corresponding to the first through hole and is rotatably disposed with respect to the support plate. The first and second optical units correspond to first and second regions of the first through hole, respectively, and are coupled to the support plate and the rotation plate, respectively.
    Type: Application
    Filed: February 25, 2014
    Publication date: June 19, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ki-oh Jung, Cheol-eun Jang, Sung-wook Choi, Woo-jong Cho
  • Patent number: 8749118
    Abstract: A vibrating actuator assembly includes a diaphragm, at least one vibrator at the diaphragm and that vibrates when an electric signal is applied thereto, a vibration shaft having one end connected to the diaphragm, a rotor on an outer side of the vibration shaft to contact an outer surface of the vibration shaft and that moves by vibration of the vibration shaft, and an elastic presser at another end of the vibration shaft and that elastically presses the rotor toward the diaphragm.
    Type: Grant
    Filed: July 29, 2011
    Date of Patent: June 10, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Cheol-eun Jang, Chan-young Moon, Sung-wook Choi, Woo-jong Cho
  • Patent number: 8662766
    Abstract: A light path adjustment apparatus includes a support plate that has a first through hole through which light passes and optical units that move between an open location where the first through hole is opened by the optical units moving toward an outside of the first through hole and a closing location where the first through hole is divided into a plurality of regions by the plurality of optical units moving toward the first through hole. The optical units block at least a part of the light in the closing location.
    Type: Grant
    Filed: June 1, 2011
    Date of Patent: March 4, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ki-oh Jung, Cheol-eun Jang, Sung-wook Choi, Woo-jong Cho
  • Patent number: 8643251
    Abstract: Provided is a piezoelectric motor including: a stator which includes first and second faces, wherein a plurality of piezoelectric elements are arranged on the first face, and a plurality of protrusions are formed on the second face; a rotor which is rotated by motions of waves of the stator generated by the piezoelectric elements; and a driver device which applies driving voltages to the piezoelectric elements, wherein polarization directions of the plurality of piezoelectric elements are vertical to a rotary face of the rotor.
    Type: Grant
    Filed: November 30, 2010
    Date of Patent: February 4, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chan-young Moon, Woo-jong Cho, Mun-cheol Choi, Cheol-eun Jang
  • Publication number: 20130258056
    Abstract: An optical adjusting device includes: a rotating unit that includes and rotates about a through-hole through which light passes; at least one moving unit that is movably disposed relative to the rotating unit and is linearly movable between an advance position corresponding to the through-hole and a retreat position outside the through-hole; a transmitting unit that is disposed between the rotating unit and the moving unit and transmits a rotational force of the rotating unit to the moving unit; and an optical unit that is disposed on the moving unit and blocks at least part of light passing through the through-hole.
    Type: Application
    Filed: September 13, 2012
    Publication date: October 3, 2013
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Cheol-eun Jang, Hee-seung Choi, Kun-woo Lee, Woo-jong Cho, Sung-wook Choi
  • Patent number: 8503116
    Abstract: Provided is a lens transferring device including a lens mounting member to which at least one lens is installed; a guiding member that guides movement of the lens mounting member; a driver that moves the lens mounting member and includes a lead screw; an operation member installation unit that is formed at an end of the lens mounting member; an operation member that includes a screw unit contacting the lead screw, an installation unit installed to the operation member installation unit, and a connection unit connecting the screw unit and the installation unit; and an elastic member including a first end that contacts the installation unit and a second end that contacts the operation member installation unit, wherein a first propping member that contacts a portion of the installation unit and prevents tilting of the operation member is formed on the operation member installation unit.
    Type: Grant
    Filed: November 22, 2010
    Date of Patent: August 6, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Cheol-eun Jang
  • Publication number: 20130057975
    Abstract: Position detecting apparatus that has a high detecting precision and a lens barrel assembly including the same are disclosed. A position detecting apparatus is provided that includes a base; a magnetic scale spaced apart from the base by a first predetermined distance and movable in a first direction; a first adjustment portion coupled to the base to adjust a second distance from the base; and a sensor rotatably coupled to the first adjustment portion and that senses a change in a position of the magnetic scale.
    Type: Application
    Filed: April 16, 2012
    Publication date: March 7, 2013
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Cheol-eun Jang, Sung-wook Choi
  • Publication number: 20120153110
    Abstract: An apparatus for transferring an optical element, the apparatus including: a support portion for supporting the optical element; a guide portion for guiding the support portion to move in a rectilinear direction; a brake disposed between a first position that contacts the support portion and restricts a movement of the support portion, and a second position that is spaced apart from the support portion and allows the movement of the support portion to change a position thereof; and a driving portion for driving the brake.
    Type: Application
    Filed: August 1, 2011
    Publication date: June 21, 2012
    Applicant: Samsung ELectronics Co., Ltd.
    Inventors: Cheol-eun Jang, Chan-young Moon, Dong-eui Shin
  • Publication number: 20120122324
    Abstract: A circuit connection structure is disclosed. A disclosed example circuit connection structure includes circuit board including a plurality of connection terminals; a housing for supporting the circuit board; and a circuit supporting unit including a plurality of circuit patterns on a surface thereof, formed of an electrical insulating material, and coupled to the housing so that the circuit patterns contact the connection terminals.
    Type: Application
    Filed: August 4, 2011
    Publication date: May 17, 2012
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Cheol-eun Jang, Sung-wook Choi, Woo-jong Cho, Soon-min Hong, Gyun Heo
  • Publication number: 20120104899
    Abstract: A vibrating actuator assembly includes a diaphragm, at least one vibrator at the diaphragm and that vibrates when an electric signal is applied thereto, a vibration shaft having one end connected to the diaphragm, a rotor on an outer side of the vibration shaft to contact an outer surface of the vibration shaft and that moves by vibration of the vibration shaft, and an elastic presser at another end of the vibration shaft and that elastically presses the rotor toward the diaphragm.
    Type: Application
    Filed: July 29, 2011
    Publication date: May 3, 2012
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Cheol-eun Jang, Chan-young Moon, Sung-wook Choi, Woo-jong Cho
  • Publication number: 20120082447
    Abstract: A light path adjustment apparatus includes a support plate that has a first through hole through which light passes and optical units that move between an open location where the first through hole is opened by the optical units moving toward an outside of the first through hole and a closing location where the first through hole is divided into a plurality of regions by the plurality of optical units moving toward the first through hole. The optical units block at least a part of the light in the closing location.
    Type: Application
    Filed: June 1, 2011
    Publication date: April 5, 2012
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ki-oh Jung, Cheol-eun Jang, Sung-wook Choi, Woo-jong Cho
  • Publication number: 20110133602
    Abstract: Provided is a piezoelectric motor including: a stator which includes first and second faces, wherein a plurality of piezoelectric elements are arranged on the first face, and a plurality of protrusions are formed on the second face; a rotor which is rotated by motions of waves of the stator generated by the piezoelectric elements; and a driver device which applies driving voltages to the piezoelectric elements, wherein polarization directions of the plurality of piezoelectric elements are vertical to a rotary face of the rotor.
    Type: Application
    Filed: November 30, 2010
    Publication date: June 9, 2011
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chan-young Moon, Woo-jong Cho, Mun-cheol Choi, Cheol-eun Jang
  • Publication number: 20110122516
    Abstract: Provided is a lens transferring device including a lens mounting member to which at least one lens is installed; a guiding member that guides movement of the lens mounting member; a driver that moves the lens mounting member and includes a lead screw; an operation member installation unit that is formed at an end of the lens mounting member; an operation member that includes a screw unit contacting the lead screw, an installation unit installed to the operation member installation unit, and a connection unit connecting the screw unit and the installation unit; and an elastic member including a first end that contacts the installation unit and a second end that contacts the operation member installation unit, wherein a first propping member that contacts a portion of the installation unit and prevents tilting of the operation member is formed on the operation member installation unit.
    Type: Application
    Filed: November 22, 2010
    Publication date: May 26, 2011
    Applicant: Samsung Electronics Co., Ltd.
    Inventor: Cheol-eun Jang