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. 03, 2011
Filed:
Jun. 15, 2010
Hideshi Nagata, Minato-ku, JP;
Hideshi Nagata, 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 and a second lens array plate, the first lens array plate being provided with a plurality of first lenses and a plurality of second lenses, and the second lens array plate being provided with a plurality of third lenses and a plurality of fourth lenses. The erecting equal-magnification lens array plate includes a first light shielding wall provided upright to surround the first lens, a second light shielding wall provided upright to surround the fourth lens, a first aperture defined by the first light shielding wall and formed above the first lens, and a second aperture defined by the second light shielding well and formed above the fourth lens. At least one of the first aperture and the second aperture is formed such that the aperture diameter ID facing the lens is larger than the aperture diameter OD on the opposite side.