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:
Feb. 05, 2008
Filed:
Jun. 17, 2005
Masaharu Senoue, Miyagi, JP;
Kazuhiko Morisawa, Miyagi, JP;
Shinjiro Umeya, Miyagi, JP;
Kazuhito Shimoda, Kanagawa, JP;
Shunichi Kajiya, Miyagi, JP;
Masaharu Senoue, Miyagi, JP;
Kazuhiko Morisawa, Miyagi, JP;
Shinjiro Umeya, Miyagi, JP;
Kazuhito Shimoda, Kanagawa, JP;
Shunichi Kajiya, Miyagi, JP;
Sony Corporation, Tokyo, JP;
Abstract
An optical multilayer film and reflective screen are provided. An optical multilayer film includes an optical laminate A including a plurality of types of optical layers having different refractive indices laminated on each other, the optical laminate A having a reflection characteristic in which the reflectance peak intensities in the red, green, and blue wavelength regions are substantially the same; and an optical laminate B including a plurality of types of optical layers having different refractive indices laminated on each other, the optical laminate B having a reflection characteristic in which the bottom of the reflectance curve lies in the green wavelength region.