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. 02, 2015
Filed:
Jun. 08, 2007
Applicants:
Yoshikazu Sato, Shiga, JP;
Yoshihiko Sakaguchi, Shiga, JP;
Osamu Watanabe, Shiga, JP;
Inventors:
Assignee:
Toray Industries, Inc., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 5/16 (2006.01); B32B 3/00 (2006.01); G02B 5/02 (2006.01); G02B 5/08 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
G02B 5/0226 (2013.01); Y10T 428/24372 (2015.01); G02B 5/0284 (2013.01); G02B 5/0808 (2013.01); G02F 1/133605 (2013.01);
Abstract
A white reflection film includes a coating layer including spherical particles on at least one surface of a white film, wherein, when particle diameters of the spherical particles are R and a thickness of the coating layer is H, an average number of the particles satisfying R>H in 100H square in a surface area of the coating layer is at least 10. The white film, which is capable of contributing to the improvement of luminance of a backlight being used in the backlight, can be provided.