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:
Nov. 26, 2013
Filed:
Aug. 19, 2010
Haruhiko Mamada, Minato-ku, JP;
Katsuhide Shimmo, Minato-ku, JP;
Teruhide Inoue, Minato-ku, JP;
Nippon Sheet Glass Co., Ltd., Tokyo, JP;
Abstract
An erecting equal-magnification lens array plate includes a stack of a first lens array plate provided with a plurality of first lenses arranged on a first surface and a plurality of second lenses arranged on a second surface, and a second lens array plate provided with a plurality of third lenses arranged on a third surface and a plurality of fourth lenses arranged on a fourth surface. The erecting equal-magnification lens array plate is provided with a first light shielding wall provided upright to surround the first lens, and a second light shielding wall provided upright to surround the fourth lens. An area on the first surface of the first lens array plate outside the effective region of the first lenses is roughened.