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:
Jun. 12, 2012
Filed:
Apr. 24, 2006
Nao Murakami, Ibaraki, JP;
Hiroyuki Yoshimi, Ibaraki, JP;
Kentarou Takeda, Ibaraki, JP;
Yoshiyuki Kiya, Ibaraki, JP;
Nao Murakami, Ibaraki, JP;
Hiroyuki Yoshimi, Ibaraki, JP;
Kentarou Takeda, Ibaraki, JP;
Yoshiyuki Kiya, Ibaraki, JP;
Nitto Denko Corporation, Ibaraki-shi, Osaka, JP;
Abstract
There is provided: an optical film suitable for a liquid crystal display apparatus providing a 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. An optical film includes a transparent protective film, a polarizer, and a birefringent layer having a relationship of nx>ny=nz and positive uniaxial property, in the stated order, in which the polarizer and the birefringent layer are laminated directly through one of a pressure-sensitive adhesive and an adhesive.