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. 24, 2016
Filed:
Apr. 05, 2012
Yoshiaki Asanoi, Ibaraki, JP;
Toru Umemoto, Ibaraki, JP;
Shoichi Matsuda, Ibaraki, JP;
Tadayuki Kameyama, Ibaraki, JP;
Yoshiaki Asanoi, Ibaraki, JP;
Toru Umemoto, Ibaraki, JP;
Shoichi Matsuda, Ibaraki, JP;
Tadayuki Kameyama, Ibaraki, JP;
NITTO DENKO CORPORATION, Ibaraki-shi, JP;
Abstract
A method for producing an optical laminate including a film substrate and a polarizing layer which comprises the steps of: (A) laminating a re-releasable film on one main surface of the film substrate to obtain a laminate film substrate; B) performing a rubbing treatment on the other main surface of the film substrate of the laminate film substrate; C) coating the rubbing-treated surface of the film substrate with a solution containing a lyotropic liquid crystal compound and a solvent; and D) detaching the re-releasable film from the laminate film substrate.