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.:

US 8771453 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 08, 2014

Filed:

Oct. 07, 2009
Applicants:

Kohei Yano, Ibaraki, JP;

Minoru Miyatake, Ibaraki, JP;

Inventors:

Kohei Yano, Ibaraki, JP;

Minoru Miyatake, Ibaraki, JP;

Assignee:

Nitto Denko Corporation, Ibaraki-shi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 65/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

There is provided a method for manufacturing a liquid crystal panel comprises the steps of: (Step A1) manufacturing a polarizing film including a laminate composed of a first base film and a polarizing thin layer, the step including: applying a vinyl alcohol-based polymer on a surface of the first base film to form a vinyl alcohol-based polymer thin layer; and wet dyeing the vinyl alcohol-based polymer thin layer after stretching the thin layer together with the first base film to obtain a polarizing thin layer, and (Step B1) adhering the polarizing film without an adhesion layer during storage and transportation at least to one surface of a liquid crystal cell through an adhesion layer in a liquid crystal panel manufacturing process.


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