The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 05, 2013
Filed:
Jun. 29, 2009
Tsuyoshi Hioki, Yokohama, JP;
Yutaka Nakai, Yokohama, JP;
Tsuyoshi Hioki, Yokohama, JP;
Yutaka Nakai, Yokohama, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A display apparatus includes a plurality of optical waveguides which are arranged in a row and have light output areas, a plurality of light sources which emit light beams incident upon the optical waveguides, a plurality of scanning lines whose cross-sections have convex portions and concave portions alternately positioned in a column, wherein inner surfaces of each of the convex portions and the concave portions are arranged so as to face the optical waveguides, and, by applying an electric field, the convex portions and the concave portions undergo displacement, and a control unit which controls the scanning lines with the application of an electric field sequentially.