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. 14, 2016
Filed:
Oct. 20, 2011
Taro Oya, Anpachi-gun, JP;
Mitsumasa Ono, Anpachi-gun, JP;
Tetsuo Yoshida, Anpachi-gun, JP;
Teijin Dupont Films Japan Limited, Tokyo, JP;
Abstract
A uniaxially stretched multi-layer laminate film includes 251 or more layers in which a first layer and a second layer are alternately laminated, wherein the first layer is composed of a polyester containing a 2,6-naphthalene dicarboxylic acid component; the second layer is composed of a thermoplastic resin having an average refractive index of 1.60 or more and not more than 1.65 and having negative optical anisotropy or isotropy; an S polarization component has an average reflectance of 90% or more relative to the incident polarized light at an angle of incidence of 0 degree and 50 degrees, respectively; and a P polarization component has an average reflectance of not more than 15% relative to the incident polarized light at an angle of incidence of 0 degree and an average reflectance of 20% or more relative to the incident polarized light at an angle of incidence of 50 degrees.