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. 26, 2009
Filed:
May. 10, 2006
Nao Murakami, Ibaraki, JP;
Kentarou Takeda, Ibaraki, JP;
Yoshiyuki Kiya, Ibaraki, JP;
Hiroyuki Yoshimi, Ibaraki, JP;
Nao Murakami, Ibaraki, JP;
Kentarou Takeda, Ibaraki, JP;
Yoshiyuki Kiya, Ibaraki, JP;
Hiroyuki Yoshimi, Ibaraki, JP;
Nitto Denko Corporation, Ibaraki-shi, Osaka, JP;
Abstract
The present invention can provide an optical film suitable for a liquid crystal display apparatus providing colorless neutral display in all azimuth angle directions, a liquid crystal panel employing the optical film, and a liquid crystal display apparatus employing the liquid crystal panel. The optical film of the present invention includes a first transparent protective film, a polarizer, a second transparent protective film, and a birefringent layer having a relationship of nx>ny=nz and positive uniaxial property in the stated order, in which the second transparent protective film has a thickness direction retardation (Rth) represented by the formula Rth=(nx−nz)×d of 10 nm or less.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile