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:
Dec. 25, 2012
Filed:
Apr. 09, 2008
Shigehiro Yamakita, Miyagi, JP;
Eiji Ohta, Miyagi, JP;
Shogo Shinkai, Miyagi, JP;
Taku Ishimori, Miyagi, JP;
Shigehiro Yamakita, Miyagi, JP;
Eiji Ohta, Miyagi, JP;
Shogo Shinkai, Miyagi, JP;
Taku Ishimori, Miyagi, JP;
Sony Corporation, Tokyo, JP;
Abstract
An optical element covering member includes one or more optical elements, a support medium for supporting the one or more optical elements, and a covering member for covering the one or more optical elements and the support medium. At least one out of the one or more optical elements is a reflective polarizer, and the covering member has at least a region, through which the light inputted from a light source is emitted to a liquid crystal panel, the region having a phase difference lag of not more than 1/50 π of a measured wavelength, with respect to an optical axis of the reflective polarizer.