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:
Jan. 08, 2019
Filed:
May. 07, 2014
Applicant:
Nitto Denko Corporation, Ibaraki-shi, Osaka, JP;
Inventors:
Kozo Nakamura, Ibaraki, JP;
Shouhei Maezawa, Ibaraki, JP;
Takehito Fuchida, Ibaraki, JP;
Hiroyuki Takemoto, Ibaraki, JP;
Nao Murakami, Ibaraki, JP;
Assignee:
NITTO DENKO CORPORATION, Ibaraki-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); G02B 5/30 (2006.01); G02B 5/04 (2006.01);
U.S. Cl.
CPC ...
G02B 5/3083 (2013.01); G02B 5/045 (2013.01); G02F 1/133536 (2013.01); G02B 5/04 (2013.01); G02B 5/30 (2013.01); G02F 1/133528 (2013.01); G02F 2001/133607 (2013.01);
Abstract
There is provided an optical member that can realize a liquid crystal display apparatus that is excellent in mechanical strength and has high illuminance. An optical member according to an embodiment of the present invention includes a polarizing plate, a reflective polarizer, and a prism sheet in the stated order. The optical member has a reflectance of 70% or more for linearly polarized light having a wavelength of 650 nm entering the reflective polarizer at 45°.