Patents by Inventor Nam Cheol Hyeong

Nam Cheol Hyeong 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: 8463504
    Abstract: An adaptive front lighting system for performing highway and urban district modes of front lights is provided, which includes a leveling actuator rotating a light source of front lights of a vehicle in upward and downward directions, and a control unit judging a driving state of the vehicle as either of a highway driving state and an urban district driving state in accordance with a driving condition of the vehicle and determining a degree of rotation of the light source performed by the leveling actuator in accordance with a result of judgment. The driving condition includes at least one of a vehicle speed, external illumination, and frequency of vehicle stops.
    Type: Grant
    Filed: July 12, 2010
    Date of Patent: June 11, 2013
    Assignees: Hyundai Motor Company, Hyundai Mobis
    Inventors: Sung Uk Choi, Hun Soo Kim, Hee Jun Jeong, Se Wook Oh, Kwang-Seob Kim, Nam-Cheol Hyeong
  • Publication number: 20110125373
    Abstract: An adaptive front lighting system for performing highway and urban district modes of front lights is provided, which includes a leveling actuator rotating a light source of front lights of a vehicle in upward and downward directions, and a control unit judging a driving state of the vehicle as either of a highway driving state and an urban district driving state in accordance with a driving condition of the vehicle and determining a degree of rotation of the light source performed by the leveling actuator in accordance with a result of judgment. The driving condition includes at least one of a vehicle speed, external illumination, and frequency of vehicle stops.
    Type: Application
    Filed: July 12, 2010
    Publication date: May 26, 2011
    Applicants: Hyundai Motor Company, Hyundai Mobis
    Inventors: Sung Uk Choi, Hun Soo Kim, Hee Jun Jeong, Se Wook Oh, Kwang-Seob Kim, Nam-Cheol Hyeong
  • Patent number: 7738051
    Abstract: A portable display device is provided. The portable display device includes a liquid crystal display panel for displaying an image, a back light assembly having a light source for supplying light to the liquid crystal display panel, and a bottom chassis for supporting the back light assembly. The sides of the bottom chassis have an I-beam shaped or C-beam shaped cross-section.
    Type: Grant
    Filed: September 12, 2006
    Date of Patent: June 15, 2010
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Youn Bum Lee, Nam Cheol Hyeong
  • Publication number: 20070139872
    Abstract: A display device may include a liquid crystal display panel, a back light assembly including a light source for supplying light to the liquid crystal display panel, a light guiding member included in the back light assembly to supply light from the light source to the liquid crystal display panel, a frame for accommodating the liquid crystal panel, the light source, and the light guiding member, a first protrusion formed on each of a first side and a second side of the light guiding member, the first protrusions extending from a lower or upper portion of the first and second sides, and at least one second protrusion formed at least on a third side of the light guiding member, the second protrusion extending from a lower or upper portion of the third side, wherein the at least one second protrusion is shorter than at least one of the first protrusions.
    Type: Application
    Filed: December 1, 2006
    Publication date: June 21, 2007
    Inventors: Youn Bum Lee, Nam Cheol Hyeong