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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.:

US 10175403 B1

PDFFull Text
Expired
Date of Patent:
Jan. 08, 2019

Filed:

May. 07, 2014

Optical member, polarizing plate set, and liquid crystal display apparatus

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;

Attorney:

Westerman, Hattori, Daniels & Adrian, LLP

Primary Examiner:

Angela K Davison

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°.

Find Patent Forward Citations

Nakamura, Kozo. (2019). Optical member, polarizing plate set, and liquid crystal display apparatus (U.S. Patent No. 10175403). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10175403

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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