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. 09, 2020
Filed:
Aug. 22, 2017
Applicant:
Nitto Denko Corporation, Ibaraki-shi, Osaka, JP;
Inventors:
Assignee:
NITTO DENKO CORPORATION, Ibaraki-shi, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); G02B 5/30 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133504 (2013.01); G02B 5/3041 (2013.01); G02B 5/3083 (2013.01); G02B 6/0053 (2013.01); G02B 6/0056 (2013.01); G02F 1/133528 (2013.01); G02F 1/133536 (2013.01); G02F 2001/133507 (2013.01);
Abstract
There is provided an optical member capable of causing, when used for a liquid crystal display apparatus, light output from a light source to enter a liquid crystal display panel with high efficiency. An optical member according to an embodiment of the present invention includes: a polarizing plate; a reflective polarizer; a λ/4 plate; and a prism layer, the polarizing plate, the reflective polarizer, the λ/4 plate, and the prism layer being integrated in the stated order.