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. 31, 2010
Filed:
Dec. 04, 2009
Applicant:
Tomohiro Nakagome, Tokyo, JP;
Inventor:
Tomohiro Nakagome, Tokyo, JP;
Assignee:
Toppan Printing Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09F 13/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides a novel lens sheet that can control a visual field range with high brightness while reducing side lobe generated in a conventional prism sheet, a low-profile, high-strength, high-display-quality optical sheet in which the lens sheet and a diffuser plate are optically integrated, and a backlight unit and display apparatus, in which the optical sheet is used.