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. 18, 2012
Filed:
Apr. 07, 2010
Masatsugu Higashi, Ibaraki, JP;
Takashi Kumano, Ibaraki, JP;
Kazuki Uwada, Ibaraki, JP;
Nao Murakami, Ibaraki, JP;
Masatsugu Higashi, Ibaraki, JP;
Takashi Kumano, Ibaraki, JP;
Kazuki Uwada, Ibaraki, JP;
Nao Murakami, Ibaraki, JP;
Nitto Denko Corporation, Ibaraki-shi, Osaka, JP;
Abstract
The present invention provides a polarizing plate that includes: a transparent protective film; a polarizer; and an optical compensation layer. The transparent protective film, the polarizer, and the optical compensation layer are laminated in this order. A moisture percentage of the polarizing plate is 2.8% by mass or less. The optical compensation layer includes a retardation film. The retardation film includes at least one resin selected from the group consisting of norbornene resins, cellulose resins, polyvinyl acetal resins, polyimide resins, polyester resins, and polycarbonate resins. The optical compensation layer shows an optical property represented by the following formula (I):nx>ny>nz  (I).