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.

Date of Patent:
Jan. 08, 2019

Filed:

May. 16, 2012
Applicants:

Kouichi Murata, Tsuruga, JP;

Yoshitomo Ikehata, Inuyama, JP;

Inventors:

Kouichi Murata, Tsuruga, JP;

Yoshitomo Ikehata, Inuyama, JP;

Assignee:

TOYOBO CO., LTD., Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); G02F 1/13363 (2006.01); G02B 5/30 (2006.01); G02B 27/26 (2006.01);
U.S. Cl.
CPC ...
G02B 27/26 (2013.01); G02B 5/3033 (2013.01); G02B 5/3083 (2013.01); G02B 5/3091 (2013.01); G02F 1/13362 (2013.01); G02F 1/133528 (2013.01);
Abstract

Provided is a polarizer whereby screen brightness does not become zero regardless of the direction in which a viewer faces when the polarizer is used in a liquid crystal display device capable of displaying three-dimensional images, in which three-dimensional images are visible through a polarizing filter. The polarizer comprises a polarizing film and protective films disposed on both sides of the polarizing film; at least one of the protective films being an oriented film; and the tilt of the orientation axis or an axis orthogonal to the orientation axis of the oriented film relative to the polarization axis of the polarizing film being 1° or more and less than 45°.


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