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:
Aug. 04, 2009
Filed:
Sep. 09, 2005
Applicants:
Masataka Nakashima, Tokyo-To, JP;
Takeshi Hirai, Tokyo-To, JP;
Inventors:
Masataka Nakashima, Tokyo-To, JP;
Takeshi Hirai, Tokyo-To, JP;
Assignee:
Dai Nippon Printing Co., Ltd., Shinjuku-Ku, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention disclosed an optical laminate that can realize excellent contrast and image visibility. The optical laminate comprises: a light transparent base material; and an antistatic agent-containing hardcoat layer and a lower-refractive index layer provided in that order on the light transparent base material, wherein the optical laminate has a black luminance of not more than 9.3 cd/m, and the optical laminate has a total light transmittance of not less than 80% and not more than 94%.