Patents by Inventor Kiyomi Hayakawa

Kiyomi Hayakawa 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: 6967702
    Abstract: A liquid crystal display device includes (a) a first substrate including a first area in which an incident light is reflected and a second area through which a light passes, and further including a pixel electrode covering the first and second areas therewith, (b) a second substrate including at least an opposing electrode, (c) a liquid crystal layer sandwiched between the first and second substrates and including liquid crystal molecules each having a major axis aligned perpendicularly to the first and second substrates when no electric field is applied thereto, and (d) a first alignment-controller for controlling alignment of the liquid crystal molecules, the first alignment-controller being arranged at a boundary of the first and second areas or in the vicinity of the boundary.
    Type: Grant
    Filed: August 1, 2003
    Date of Patent: November 22, 2005
    Assignee: NEC LCD Technologies, Ltd.
    Inventors: Toshiya Ishii, Michiaki Sakamoto, Kiyomi Hayakawa
  • Publication number: 20040070714
    Abstract: A liquid crystal display device includes (a) a first substrate including a first area in which an incident light is reflected and a second area through which a light passes, and further including a pixel electrode covering the first and second areas therewith, (b) a second substrate including at least an opposing electrode, (c) a liquid crystal layer sandwiched between the first and second substrates and including liquid crystal molecules each having a major axis aligned perpendicularly to the first and second substrates when no electric field is applied thereto, and (d) a first alignment-controller for controlling alignment of the liquid crystal molecules, the first alignment-controller being arranged at a boundary of the first and second areas or in the vicinity of the boundary.
    Type: Application
    Filed: August 1, 2003
    Publication date: April 15, 2004
    Inventors: Toshiya Ishii, Michiaki Sakamoto, Kiyomi Hayakawa