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.:

US 8405905 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 26, 2013

Filed:

Mar. 05, 2012
Applicants:

Akira Shinbo, Shiojiri, JP;

Ryoji Katsuma, Matsumoto, JP;

Inventors:

Akira Shinbo, Shiojiri, JP;

Ryoji Katsuma, Matsumoto, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/56 (2006.01);
U.S. Cl.
CPC ...
Abstract

A screen on which an image according to light incident thereon is displayed includes a plurality of lens trains on a light-exiting surface from which the light exits, and the plurality of lens trains are provided along a plurality of virtual reference lines extending in respective predetermined directions. Each of the lens trains is formed of a plurality of lens elements from which the light exits. At least some of the plurality of lens elements that form any of the lens trains are so disposed that the lens elements are shifted from the reference line along which the lens train extends. The screen can suppress degradation of a displayed image.


Find Patent Forward Citations

Shinbo, Akira. (2013). Screen (U.S. Patent No. 8405905). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8405905

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