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:
May. 10, 2011
Filed:
Sep. 04, 2008
Mayumi Nagayoshi, Chofu, JP;
Satoshi Ouchi, Kamakura, JP;
Seiji Murata, Yokohama, JP;
Yasutaka Tsuru, Yokohama, JP;
Mayumi Nagayoshi, Chofu, JP;
Satoshi Ouchi, Kamakura, JP;
Seiji Murata, Yokohama, JP;
Yasutaka Tsuru, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
An image display apparatus includes: a plurality of light sources for emitting light; an optical uniformizing portion for uniformizing light emitted from the plurality of light sources; a total reflection portion disposed above the plurality of light sources, the total reflection portion totally reflecting light from the optical uniformizing portion; an optical guide portion for guiding light totally reflected at the total reflection portion; an optical diffusion unit for diffusing light from the total reflection portion and outputting the diffused light; an optical parallelizing unit for parallelizing light from the optical diffusion unit; and a liquid crystal panel for modulating light from the optical parallelizing unit into an optical image in accordance with an image signal and displaying the optical image.