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. 08, 2014
Filed:
Sep. 28, 2011
Optical film having antistatic layer, antireflection film, polarizing plate and image display device
Daiki Wakizaka, Kanagawa, JP;
Takayasu Yamazaki, Kanagawa, JP;
Daiki Wakizaka, Kanagawa, JP;
Takayasu Yamazaki, Kanagawa, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
An optical film having a transparent support having thereon at least a hardcoat layer and an antistatic layer in this order, wherein the hardcoat layer and the antistatic layer are formed by simultaneously coating compositions for forming respective layers, the antistatic layer comprises at least (A) an electrically conductive organic compound and (B) a polyfunctional monomer having three or more polymerizable groups, a content of an inorganic oxide fine particle in the antistatic layer is less than 10 weight % based on an entire solid content of the antistatic layer, and a common logarithmic value (LogSR) of surface resistivity SR (Ω/sq) on the antistatic layer side with respect to the transparent support is 13 or less.