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. 18, 2013
Filed:
Mar. 31, 2011
Akito Kuriyama, Tokyo, JP;
Hiroshi Tazawa, Miyagi, JP;
Keitaro Kitada, Miyagi, JP;
Kei Obata, Miyagi, JP;
Junichi Inoue, Tochigi, JP;
Akito Kuriyama, Tokyo, JP;
Hiroshi Tazawa, Miyagi, JP;
Keitaro Kitada, Miyagi, JP;
Kei Obata, Miyagi, JP;
Junichi Inoue, Tochigi, JP;
Sony Corporation, Tokyo, JP;
Abstract
A retardation film is provided and is formed by laminating a thermoplastic norbornene resin film, an anchor layer, an alignment film and a phase difference layer in this order. In this retardation film, the anchor layer is formed by applying an anchor material including a tri-, or more-functional acrylate monomer of 50 parts by weight or more and 90 parts by weight or less onto the thermoplastic norbornene resin film and then, drying and curing the anchor material with ultraviolet light.