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:
Jul. 15, 2014
Filed:
Jan. 24, 2011
Shigeru Hosoe, Hino, JP;
Shigeru Hosoe, Hino, JP;
Konica Minolta Advanced Layers, Inc., Tokyo, JP;
Abstract
Provided are a method and an apparatus for continuously forming a laminated optical function element sheet which has optical function elements formed on three or more faces by laminating a first optical function element sheet which has an optical function element formed on both of the front and back faces with a second optical function element sheet which has an optical function element formed on at least one of the two faces. The method comprises a first optical function element sheet forming step of molding, forming, or printing an optical function element on both of the front and back faces of a first base film, a second optical function element sheet forming step of molding, forming or printing an optical function element on at least one of the two faces of a second base film, and a laminating and bonding step of simultaneously performing the first and second optical function element sheet forming steps to laminate and bond the formed first and second optical function element sheets and form a laminated optical function element sheet.