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. 06, 2017
Filed:
Oct. 06, 2009
Takayuki Shimada, Saitama, JP;
Fumihiro Arakawa, Fujimi, JP;
Satoshi Goishihara, Kazo, JP;
Hiroshi Kojima, Kawagoe, JP;
Runa Nakamura, Tokyo-To, JP;
Akinobu Ushiyama, Moriya, JP;
Satoko Maenishi, Saitama, JP;
Kazuki Tanaka, Tokyo-To, JP;
Akiko Tomita, Kawagoe, JP;
Takayuki Shimada, Saitama, JP;
Fumihiro Arakawa, Fujimi, JP;
Satoshi Goishihara, Kazo, JP;
Hiroshi Kojima, Kawagoe, JP;
Runa Nakamura, Tokyo-To, JP;
Akinobu Ushiyama, Moriya, JP;
Satoko Maenishi, Saitama, JP;
Kazuki Tanaka, Tokyo-To, JP;
Akiko Tomita, Kawagoe, JP;
Dai Nippon Printing Co., Ltd., Shinjuku-Ku, JP;
Abstract
There is provided an optical sheet which can prevent problems when it is superimposed on another member. The optical sheet includes: a sheet-like base layer; a light control layer having unit shaped elements arranged in a direction parallel to a sheet surface of the base layer; and a light diffusing layer disposed between the base layer and the light control layer. The light diffusing layer includes a binder resin portion and particles dispersed in the binder resin portion. The particles in the binder resin portion includes a single particle and an aggregate formed of aggregated single particles.