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:
Nov. 14, 2017
Filed:
Feb. 18, 2011
Applicants:
Yoshihiko Sakaguchi, Tokyo, JP;
Yuji Kawata, Otsu, JP;
Osamu Watanabe, Otsu, JP;
Inventors:
Assignee:
Toray Industries, Inc., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 7/00 (2006.01); F21V 7/04 (2006.01); G02B 5/02 (2006.01); F21V 8/00 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
G02B 5/0226 (2013.01); G02B 6/0055 (2013.01); G02F 1/133615 (2013.01);
Abstract
To obtain a white reflective film that is hard to warp and can ameliorate unevenness in the luminance even when used in such a manner as to be superimposed on a chassis having convex and concave portions for placing circuits and the like or used with an LED, and can prevent uneven close contact with a light guide plate and damage of the light guide plate, the white reflective film for edge-lit backlight is made to meets the requirements (i) to (iii):