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:
May. 19, 2009
Filed:
Apr. 01, 2005
Yasumaro Toshima, Saitama, JP;
Susumu Kurishima, Saitama, JP;
Yasumaro Toshima, Saitama, JP;
Susumu Kurishima, Saitama, JP;
Kimoto Co., Ltd., , JP;
Abstract
A light control sheet comprises at least a light diffusing film and a prism sheet, wherein the light diffusing film has a light diffusing surface on one side and a rough surface on the other side, the prism sheet has a prism surface on one side and a smooth surface on the other side, the smooth surface has a smooth layer comprising at least a comb polymer, and the rough surface of the light diffusing film and the smooth surface of the prism sheet face each other. A light control sheet comprises at least a light diffusing film and a prism sheet, wherein the light diffusing film has a light diffusing surface on one side and a smooth surface on the other side, the smooth surface has a smooth layer comprising at least a comb polymer, the prism sheet has a prism surface on one side and a rough surface on the other side, and the smooth surface of the light diffusing film and the rough surface of the prism sheet face each other.