Patents by Inventor Cheol AHN

Cheol AHN 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).

  • Publication number: 20180341358
    Abstract: A display device, including a display panel that displays an image; a flexible printed circuit board including an attaching part attached to one end of the display panel and a curved part extending from the attaching part and not overlapping with the display panel; a window assembly on an upper surface of the display panel; an adhesive part between the window assembly and the display panel to couple the display panel and the window assembly; and a compensating part not overlapping with the display panel, overlapping with the curved part, and on a same layer as the attaching part.
    Type: Application
    Filed: August 1, 2018
    Publication date: November 29, 2018
    Inventors: Hyeong-Cheol AHN, Won-il LEE, Byughoon CHAE
  • Patent number: 10128521
    Abstract: A heat treatment device of a membrane-electrode assembly for a fuel cell for heat-treating a membrane-electrode assembly sheet includes an electrolyte membrane and electrode catalyst layers continuously adhered onto both surfaces of the electrolyte membrane, the heat treatment device of a membrane-electrode assembly for a fuel cell including: i) a feeding roller feeding the membrane-electrode assembly sheet along a predetermined transport path; and ii) hot presses disposed on upper and lower sides of the transport path, respectively, installed to be reciprocally movable in a vertical direction, and pressing portions of the electrode catalyst layers of upper and lower surfaces of the membrane-electrode assembly sheet at a predetermined temperature.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: November 13, 2018
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Sung Hoon Jeong, Jong Cheol Ahn
  • Patent number: 10114498
    Abstract: A display device with reduced chance of pad unit corrosion is presented. The display device includes: a display panel configured to display an image, the display panel including a first pad unit; a touch screen panel (TSP) attached to an upper portion of the display panel, the touch screen panel including a second pad unit; a TSP flexible printed circuit board configured to include one end that is connected to the second pad unit of the touch screen panel; a window substrate configured to cover the touch screen panel; and a TSP adhesive layer interposed between the touch screen panel and the window substrate to adhere the window substrate to the touch screen panel, wherein the TSP adhesive layer is formed such that the TSP adhesive layer at least partially covers a TSP connection part the TSP flexible printed circuit board is connected to the second pad unit of the touch screen panel.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: October 30, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hyeong Cheol Ahn
  • Patent number: 10103393
    Abstract: A hot press device presses one or more objects to be pressed at a predetermined temperature, and includes: a roller around which a roll on which the objects to be pressed are disposed at predetermined intervals is wound; hot plates which are disposed to face one surface of the objects to be pressed while corresponding to the roll supplied from the roller; press units which are disposed to push the hot plates on the objects to be pressed; and a pitch changing unit which moves the hot plates in a direction in which the roll is moved or in a direction opposite to a direction in which the roll is moved, in accordance with a distance between the objects to be pressed.
    Type: Grant
    Filed: November 18, 2015
    Date of Patent: October 16, 2018
    Assignee: Hyundai Motor Company
    Inventors: Sung Hoon Jeong, Jong Cheol Ahn
  • Patent number: 10048786
    Abstract: A display device, including a display panel that displays an image; a flexible printed circuit board including an attaching part attached to one end of the display panel and a curved part extending from the attaching part and not overlapping with the display panel; a window assembly on an upper surface of the display panel; an adhesive part between the window assembly and the display panel to couple the display panel and the window assembly; and a compensating part not overlapping with the display panel, overlapping with the curved part, and on a same layer as the attaching part.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: August 14, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyeong-Cheol Ahn, Won-il Lee, Byughoon Chae
  • Patent number: 9857444
    Abstract: Disclosed herein is a magnetic resonance imaging apparatus which includes a connector. A magnetic resonance imaging apparatus includes a static coil module configured to form a static field in a bore, a gradient coil module which includes at least one primary coil configured to form a gradient field in the static field and at least one shield coil configured to cancel an eddy current formed in the static coil module, and a connector which includes a base made of an insulating material and a plurality of conductors which are coupled to the base and which are configured to connect the at least one primary coil and the at least one shield coil.
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: January 2, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun Suk Kwak, Atul Minhas, Ku Cheol Ahn
  • Publication number: 20170298455
    Abstract: An expression vector, comprising a first reporter nucleic acid sequence operably linked to a first expression control sequence comprising a promoter; and a second reporter nucleic acid sequence operably linked to a second expression control sequence that comprises a response element that is activated or inactivated as one or more of the cells differentiate or dedifferentiate. Methods and kits for imaging and monitoring stem cells comprising the expression vector are also provided.
    Type: Application
    Filed: June 23, 2017
    Publication date: October 19, 2017
    Inventors: Srabani BHAUMIK, Sanjiv Sam GAMBHIR, Ramasamy PAULMURUGAN, Shahriar YAGHOUBI, Byeong-Cheol AHN, Natesh PARASHURAMA
  • Publication number: 20170249887
    Abstract: A flexible display device includes a flexible display panel, a driving circuit film, and a spacer. The flexible display panel includes a terminal part configured to receive a driving signal. The driving circuit film includes a base film and a driving chip on the base film. The driving chip being configured to generate the driving signal. The driving circuit film is coupled to the terminal part, is configured to apply the driving signal to the display panel, and bent toward a lower surface of the display panel. The spacer is on the driving circuit film and is configured to maintain a gap between the driving chip and the lower surface of the display panel.
    Type: Application
    Filed: May 16, 2017
    Publication date: August 31, 2017
    Inventor: Hyeong-Cheol Ahn
  • Patent number: 9730317
    Abstract: A display device includes a display panel including a curved surface bent along a first direction, a circuit board coupled to the display panel, the circuit board being bent along the first direction in correspondence to the curved surface of the display panel, and an integrated circuit (IC) chip on the circuit board, a short side of the IC chip extending along the first direction.
    Type: Grant
    Filed: March 19, 2014
    Date of Patent: August 8, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Hyeong-Cheol Ahn
  • Patent number: 9719146
    Abstract: An expression vector, comprising a first reporter nucleic acid sequence operably linked to a first expression control sequence comprising a promoter; and a second reporter nucleic acid sequence operably linked to a second expression control sequence that comprises a response element that is activated or inactivated as one or more of the cells differentiate or dedifferentiate. Methods and kits for imaging and monitoring stem cells comprising the expression vector are also provided.
    Type: Grant
    Filed: September 9, 2009
    Date of Patent: August 1, 2017
    Assignee: General Electric Company
    Inventors: Srabani Bhaumik, Sanjiv Sam Gambhir, Ramasamy Paulmurugan, Shahriar Yaghoubi, Byeong-Cheol Ahn, Natesh Parashurama
  • Publication number: 20170168126
    Abstract: A magnetic resonance imaging (MRI) device, including a transport table configured to slide; and a radio frequency (RF) coil configured to receive an RF signal, wherein the RF coil may include a main body; at least one fixer installed on the main body, the fixer being configured to contact the transport table; and a decompressor configured to reduce pressure between the at least one fixer and the transport table to detachably fix the main body onto the transport table.
    Type: Application
    Filed: September 26, 2016
    Publication date: June 15, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Man Ho JEONG, Byoung Mock KAHM, Ku Cheol AHN
  • Patent number: 9674961
    Abstract: A flexible display device includes a flexible display panel, a driving circuit film, and a spacer. The flexible display panel includes a terminal part configured to receive a driving signal. The driving circuit film includes a base film and a driving chip on the base film. The driving chip being configured to generate the driving signal. The driving circuit film is coupled to the terminal part, is configured to apply the driving signal to the display panel, and bent toward a lower surface of the display panel. The spacer is on the driving circuit film and is configured to maintain a gap between the driving chip and the lower surface of the display panel.
    Type: Grant
    Filed: May 13, 2014
    Date of Patent: June 6, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hyeong-Cheol Ahn
  • Publication number: 20170069926
    Abstract: A heat treatment device of a membrane-electrode assembly for a fuel cell for heat-treating a membrane-electrode assembly sheet includes an electrolyte membrane and electrode catalyst layers continuously adhered onto both surfaces of the electrolyte membrane, the heat treatment device of a membrane-electrode assembly for a fuel cell including: i) a feeding roller feeding the membrane-electrode assembly sheet along a predetermined transport path; and ii) hot presses disposed on upper and lower sides of the transport path, respectively, installed to be reciprocally movable in a vertical direction, and pressing portions of the electrode catalyst layers of upper and lower surfaces of the membrane-electrode assembly sheet at a predetermined temperature.
    Type: Application
    Filed: November 20, 2015
    Publication date: March 9, 2017
    Applicant: HYUNDAI MOTOR COMPANY
    Inventors: Sung Hoon JEONG, Jong Cheol AHN
  • Patent number: 9583448
    Abstract: A flexible chip on film includes a base insulating layer, a metal layer disposed on an upper surface of the base insulating layer and including a circuit pattern, an integrated circuit chip disposed on an upper surface of the metal layer and electrically connected to the metal layer, a solder resist layer disposed on the metal layer and insulated from the integrated circuit chip, and a reinforcing layer disposed on an upper surface of the solder resist layer. When the chip on film COF is bent, a neutral surface, in which a vector sum of a tensile force and a compressive force becomes substantially zero, is placed in the metal layer.
    Type: Grant
    Filed: September 9, 2013
    Date of Patent: February 28, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hyeong-Cheol Ahn
  • Publication number: 20170008200
    Abstract: A hot press device presses one or more objects to be pressed at a predetermined temperature, and includes: a roller around which a roll on which the objects to be pressed are disposed at predetermined intervals is wound; hot plates which are disposed to face one surface of the objects to be pressed while corresponding to the roll supplied from the roller; press units which are disposed to push the hot plates on the objects to be pressed; and a pitch changing unit which moves the hot plates in a direction in which the roll is moved or in a direction opposite to a direction in which the roll is moved, in accordance with a distance between the objects to be pressed.
    Type: Application
    Filed: November 18, 2015
    Publication date: January 12, 2017
    Inventors: Sung Hoon Jeong, Jong Cheol Ahn
  • Patent number: 9498403
    Abstract: Provided is an automatic salivation facilitating apparatus including a first parotid gland massaging device which massages user's one-side parotid gland, a second parotid gland massaging device which massages user's other-side parotid gland, a first fixing member which connects the first and second parotid gland massaging devices and allows the user to wear the automatic salivation facilitating apparatus, a salivation agent injection unit which is disposed to a lower portion of one of the first and second parotid gland massaging devices to periodically automatically inject salivation agent, and a controller which operates a main body. The automatic salivation facilitating apparatus utilizes a submandibular gland massaging device together with the salivation agent injection unit and the parotid gland massaging devices, so that the effect of facilitating salivation can be maximized.
    Type: Grant
    Filed: June 2, 2011
    Date of Patent: November 22, 2016
    Assignee: KYUNGPOOK NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventor: Byeong-Cheol Ahn
  • Publication number: 20160304899
    Abstract: A method for producing a transgenic plant which has increased content of 20-hydroxyecdysone compared to a wild type plant includes transforming a plant cell with a recombinant vector containing a gene encoding CYP85 (cytochrome P450, 85 family) protein derived from spinach (Spinacia oleracea). A method for producing a transgenic plant with enhanced insect resistance includes transformation of a plant cell with a recombinant vector containing a gene encoding CYP85 derived from Spinacia oleracea.
    Type: Application
    Filed: November 27, 2014
    Publication date: October 20, 2016
    Inventors: Key Zung RIU, Kyung Hwan BOO, Jong Cheol AHN
  • Publication number: 20160300890
    Abstract: A method of manufacturing a display device is provided. The display device includes a digitizer which is formed so that at least a part thereof is bent and a display panel which is installed along a shape of an outer surface of the digitizer.
    Type: Application
    Filed: June 20, 2016
    Publication date: October 13, 2016
    Inventor: Hyeong-Cheol Ahn
  • Patent number: D807952
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: January 16, 2018
    Assignee: S-PRINTING SOLUTION CO., LTD.
    Inventors: Ji-Won Moon, Seung-Chan Park, Dong-Cheol Ahn
  • Patent number: D807953
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: January 16, 2018
    Assignee: S-PRINTING SOLUTION CO., LTD.
    Inventors: Ji-Won Moon, Seung-Chan Park, Dong-Cheol Ahn