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:
Sep. 04, 2007
Filed:
Oct. 17, 2005
Kuniyasu Matsui, Hotaka, JP;
Kuniyasu Matsui, Hotaka, JP;
Seiko Epson Corporation, , JP;
Abstract
A lens substrate (microlens substrate) having a first surface and a second surface opposite to the first surface is disclosed. Light is allowed to enter the lens substrate from the first surface thereof and then exit from the second surface thereof. The lens substrate includes: a plurality of convex lenses (microlenses) formed on the first surface of the lens substrate from which the light is allowed to enter the lens substrate; and a colored portionprovided on the first surface of the lens substrate with the plurality of convex lenses. The colored portionis constituted from a plurality of regions each having a different content by percentage of a coloring agent, and the plurality of regions are laminated in the thickness direction of the colored portion