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.

Date of Patent:
Jan. 22, 2013

Filed:

Jan. 31, 2011
Applicant:

Tomomi Matsui, Tokyo, JP;

Inventor:

Tomomi Matsui, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/28 (2006.01); G03B 21/60 (2006.01);
U.S. Cl.
CPC ...
Abstract

A screen unit includes an upper horizontal rim, lateral vertical rims, and a lower horizontal rim U-shaped in cross section that cover four side outer peripheries of a laminated body including a thin sheet glass, a Fresnel lens sheet that is a part of a cylindrical surface with an axis line extending in a first direction parallel to the thin sheet glass and is warped in a shape convex toward a side of the thin sheet glass, and a lenticular lens sheet that is a part of a cylindrical surface with an axis line extending in a direction parallel to the thin sheet glass and perpendicular to the first direction, is warped in a shape convex toward a side of the thin sheet glass, and sandwiches the thin sheet glass with the Fresnel lens sheet.


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