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:
Apr. 03, 2012
Filed:
Dec. 21, 2005
Koichi Nagamoto, Saitama, JP;
Mikihiro Kashio, Saitama, JP;
Eiko Kozukue, Saitama, JP;
Kazuhiro Kon, Saitama, JP;
Tadashi Matano, Chiba, JP;
Koichi Nagamoto, Saitama, JP;
Mikihiro Kashio, Saitama, JP;
Eiko Kozukue, Saitama, JP;
Kazuhiro Kon, Saitama, JP;
Tadashi Matano, Chiba, JP;
Lintec Corporation, Tokyo, JP;
Abstract
The disclosed a pressure sensitive adhesive for polarizing plates which has a storage elastic modulus (G') at 23° C. of at least 0.3 MPa; a polarizing plate having a pressure sensitive adhesive; a process for producing the above polarizing plate which comprises sticking a polarizing plate on a tacky adhesive material layer formed on a releasing layer of a releasing sheet, and thereafter irradiating with an active energy beam from the releasing sheet side; an optical film which comprises a polarizing plate and a phase difference plate; and a process for producing the above optical film. The pressure sensitive adhesive and polarizing plate having the pressure sensitive adhesive are characterized in that they are capable of sticking with high durability, the polarizing plate to a and phase difference plate, and the resultant liquid crystal display unit is less liable to cause light leakage under the conditions of high temperature.