Patents by Inventor Jong Cho

Jong Cho 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
  • Publication number: 20170070116
    Abstract: A stepping motor according to various embodiments includes a rotatable shaft, and two or more engine units that are connected to the shaft, and each of the engine units has a rotor and a stator arranged at a circumference of the rotor.
    Type: Application
    Filed: September 4, 2016
    Publication date: March 9, 2017
    Inventors: Jae Kyu Shim, Bon Min Koo, Woo Jong Cho
  • Publication number: 20170068068
    Abstract: An autofocus driving unit for moving a lens holder supporting at least one lens in an optical axis direction with respect to an image sensor. The autofocus driving unit includes: a lead screw that has a length in a direction parallel to an optical axis and rotates to move the lens holder in the optical axis direction; a first driving source that rotates the lead screw so that the lead screw moves in multiple integers of a first distance in the optical axis direction and that comprises a rotor mounted in an outer circumference of the lead screw and a stator that is spaced apart from the rotor and rotates the rotor; and a second driving source that moves the lead screw and the rotor in a first direction that is parallel to the optical axis with respect to the stator so that the lens holder is moved by a second distance that is different from the first distance in the optical axis direction.
    Type: Application
    Filed: December 11, 2014
    Publication date: March 9, 2017
    Inventors: Jae-kyu SHIM, Bon-min KOO, Woo-jong CHO
  • Publication number: 20160339388
    Abstract: The present disclosure relates to a volatile organic compound removal system using microwaves, the system having a structure wherein an adsorption filter and an oxidation filter for oxidizing VOCs desorbed from the adsorption filter are arranged successively in a flow path of air containing VOCs, and the adsorption filter and the oxidation filter are respectively heated by using microwaves. The system includes: a first body part having first inlet and outlet, and the flow path therein; first adsorption filter and oxidation filter provided in the first body part and provided to allow gases flowing in the flow path to pass successively in the direction from the first inlet to outlet; and a plurality of first magnetrons provided at one side of the first body part to respectively correspond to the first adsorption filter and oxidation filter, and selectively irradiating microwaves to the first adsorption filter and oxidation filter.
    Type: Application
    Filed: October 6, 2014
    Publication date: November 24, 2016
    Applicant: ECOPRO CO., LTD.
    Inventors: Dong Che Lee, Seong Jin Yoon, Sung Jong Cho, Jeong Yeon Kim, Sang Jun Park
  • Publication number: 20160337562
    Abstract: A photographing apparatus is provided. The photographing apparatus includes a photographing unit comprising a photographing sensor and a lens unit configured to focus image light onto the photographing sensor, a first driver configured to drive the photographing sensor to perform a first rotation about a first axis that is coincide with an optical axis of the lens unit, and a second driver configured to drive the photographing unit and the first driver to perform a second rotation about a second axis that is perpendicular to the first axis.
    Type: Application
    Filed: April 27, 2016
    Publication date: November 17, 2016
    Inventors: Yoon-seok KANG, Jae-kyu SHIM, Bae-seok LIM, Woo-jong CHO, Bon-min KOO
  • Patent number: 9321039
    Abstract: The present invention provides a catalyst for the decomposition of a perfluorinated compound containing a halogen acid gas, and a preparation method thereof. According to the present invention, the Ru—P—Al tri-component catalyst for the decomposition of a perfluorinated compound shows an excellent decomposition activity and durability with respect to the decomposition and removal of a perfluorinated compound containing a halogen acid gas, and thus can be used to decompose a chamber cleaning gas, an etchant, a solvent and the like of a perfluorinated compound from the semiconductor manufacturing industry to the LCD processing field. In addition, the present invention can be useful for decomposing and removing a perfluorinated compound discharged in a process using a halogen acid gas such as F2, Cl2, Br2 and the like.
    Type: Grant
    Filed: August 16, 2012
    Date of Patent: April 26, 2016
    Assignees: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY, ECOPRO CO., LTD.
    Inventors: Won Choon Choi, Yong Ki Park, Na Young Kang, Min-Whee Cho, Song-Jong Cho, Sung Ho Cho, Sung Jin Yoon, Young-Ju Son
  • Publication number: 20160100679
    Abstract: A toothbrush that compensates for a user's toothbrushing technique and cleans the teeth effectively is provided. The toothbrush includes a handle and a head piece. The head piece includes a base supported by a frame, and the base is made of a flexible material. The head piece includes a base having a first surface and an opposing second surface, and a plurality of tooth cleaning elements disposed on the first and second surfaces of the base. The toothbrush further includes cleaning elements that extend from the base at different angles.
    Type: Application
    Filed: October 9, 2014
    Publication date: April 14, 2016
    Inventor: David Hyun Jong Cho
  • Publication number: 20160102028
    Abstract: Disclosed herein are matrix-type, controlled-release granular compound fertilizer and a method for preparing the same. The method comprises: mixing a natural or synthetic polymer as a binder with a nutrient-absorbent, bulking agent to give a mixture, and drying and pulverizing the mixture to afford a nutrient-absorbent supplement; and evenly blending the nutrient-absorbent supplement with a fertilizer ingredient and drying the blend.
    Type: Application
    Filed: October 18, 2013
    Publication date: April 14, 2016
    Inventors: Sung Jin Lee, Hyun Jong Cho
  • Patent number: 9293976
    Abstract: A stepping motor includes a housing, a stator assembly, a rotor, and a sensor portion. The stator assembly is disposed inside the housing. The rotor is rotatably disposed inside the stator assembly and includes a rotation shaft, and opposite ends of the rotation shaft are supported by the housing. The sensor portion is disposed inside the housing and detects a magnetic field of the rotor.
    Type: Grant
    Filed: May 30, 2014
    Date of Patent: March 22, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kun-woo Lee, Jae-kyu Shim, Woo-jong Cho, Bon-min Koo
  • Publication number: 20160079839
    Abstract: A step motor includes a plurality of stator cores. Each of the stator cores have a coil unit coiled therearound. The step motor includes a rotor that includes a rotation shaft and a plurality of permanent magnets and is configured to rotate by magnetic interaction between the stator cores and the permanent magnets. The step motor also includes a plurality of conducting parts on one cross-sectional surface of the rotor. The step motor further includes a printed circuit board (PCB) including electric elements that are arranged at certain positions and are disposed to face the conducting parts. The conducting parts and the electric elements are configured to electrically or magnetically interact as the rotor rotates to change electrical signals generated by the electric elements.
    Type: Application
    Filed: September 8, 2015
    Publication date: March 17, 2016
    Inventors: Jae-kyu Shim, Woo-jong Cho, Bon-min Koo
  • 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: 9261719
    Abstract: A liquid crystal shutter includes: a first plate including a first transparent electrode layer, a second plate disposed parallel to the first plate and including a second transparent electrode layer, a liquid crystal layer disposed between the first plate and the second plate and is configured to transmit or block light according to a first potential difference between the first transparent electrode layer and the second transparent electrode layer, and a heating electrode configured to generate a second potential difference for generating heat in the first transparent electrode layer.
    Type: Grant
    Filed: July 8, 2013
    Date of Patent: February 16, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-kyu Shim, Bon-min Koo, Yu-kyung Ham, Kun-woo Lee, Woo-jong Cho
  • Publication number: 20160013222
    Abstract: A method of manufacturing a thin film transistor is disclosed. In one aspect, the method includes forming an active layer over a substrate and forming a gate insulating layer containing a dopant over the active layer. The method also includes irradiating laser light onto the gate insulating layer such that the dopant of the gate insulating layer diffuses into the active layer.
    Type: Application
    Filed: December 11, 2014
    Publication date: January 14, 2016
    Inventors: Sang-Jin Park, Myung-Ho Kim, Jun-Hwan Moon, Keun-Chang Lee, Yoon-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
  • Publication number: 20150303775
    Abstract: A direct current (DC) motor including: a cylindrical frame, at least one end of which is open; a cylindrical end cover including an opening configured to block the at least one open end; a rotor including a rotor shaft supported by the frame and the end cover, and a rotor core installed on the rotor shaft; a commutator installed on the rotor shaft and arranged on one end of the rotor core; a cover unit installed on the rotor shaft, arranged between the rotor and the commutator, and including at least one location detection device; and a rotation detection unit installed in the end cover and configured to detect the at least one location detection device.
    Type: Application
    Filed: April 21, 2015
    Publication date: October 22, 2015
    Inventors: Jae-kyu Shim, Woo-jong Cho, Bon-min Koo, Kun-woo Lee
  • Patent number: 9140960
    Abstract: An apparatus for processing an image, including: a body; a lens module disposed on the body; and a control ring disposed on the lens module, wherein the control ring is configured to change a setting value of a setting item.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: September 22, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Woo-jong Cho, Young-bae Kim, Se-hyun Park, Ja-yong Koo, Mun-cheol Choi, Yun-ho Lee
  • Publication number: 20150146360
    Abstract: Disclosed is a human machine interface of an electric bicycle. The human machine interface includes a stand electrically connected to an electronic controller of the electric bicycle, the stand including a plurality of first contact point pairs, and an interface body slidably coupled to the stand, the interface body including a plurality of second contact point pairs electrically connected to the first contact point pairs, wherein the first contact points or the second contact points are arranged so as to deviate from a sliding direction.
    Type: Application
    Filed: December 17, 2013
    Publication date: May 28, 2015
    Inventors: Seong Jong Cho, Ho Sik Kim
  • Publication number: 20150145358
    Abstract: Disclosed herein is concentrated type motor. The concentrated type motor includes a stator configured by a core, which is formed with slots between a plurality of T-shaped teeth radially protruding from a ring-shaped yoke having a predetermined curvature while the teeth are spaced at regular intervals, and coils wound around the plural teeth, and a rotor rotatably installed at a central portion of the stator while being spaced apart from the stator by a predetermined distance, wherein coil connection between the adjacent teeth is formed by a PCB busbar.
    Type: Application
    Filed: December 17, 2013
    Publication date: May 28, 2015
    Inventors: Seong Jong CHO, Ho Sik KIM
  • Publication number: 20150148173
    Abstract: A drive unit for an electric bicycle, the drive unit including a motor configured to generate a rotary force to drive a wheel of the electric bicycle, and a reduction gear unit provided with a plurality of gears to decelerate a rotary force generated from the motor, wherein the motor is provided with a rotor which has an accommodation space formed at a center thereof and a stator installed to surround the rotor while being spaced apart from the rotor by a predetermined interval, and the reduction gear unit includes a first planet gear assembly disposed on an accommodation space inside the motor and connected to the rotor, and a second planet gear assembly disposed outside the motor and connected to the first planet gear assembly.
    Type: Application
    Filed: December 17, 2013
    Publication date: May 28, 2015
    Inventors: Il Ryong Kim, Seong Jong Cho
  • Publication number: 20150077033
    Abstract: A stepping motor includes a housing, a stator assembly, a rotor, and a sensor portion. The stator assembly is disposed inside the housing. The rotor is rotatably disposed inside the stator assembly and includes a rotation shaft, and opposite ends of the rotation shaft are supported by the housing. The sensor portion is disposed inside the housing and detects a magnetic field of the rotor.
    Type: Application
    Filed: May 30, 2014
    Publication date: March 19, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kun-woo Lee, Jae-kyu Shim, Woo-jong Cho, Bon-min Koo