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:
Aug. 13, 2019
Filed:
Sep. 04, 2018
Yazaki Corporation, Tokyo, JP;
Noriaki Narushima, Shizuoka, JP;
YAZAKI CORPORATION, Minato-ku, Tokyo, JP;
Abstract
A backlight unit includes a light source, a light collecting member that collects light emitted from the light source, and a concave reflecting surface, and includes a micromirror array that reflects the light incident from the light collecting member toward a liquid crystal panel by the reflecting surface and a diffusion plate that is arranged on an optical path between the micromirror array and the liquid crystal panel. In the micromirror array, the reflecting surface includes the plurality of micromirrors. One or more groups of the plurality of micromirrors are arranged in the reflecting surface in an X direction and a Y direction. Each micromirror includes a convex or concave curved surface.