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:
Jan. 03, 2017
Filed:
Mar. 10, 2015
Applicant:
Dai Nippon Printing Co., Ltd., Tokyo, JP;
Inventors:
Assignee:
DAI NIPPON PRINTING CO., LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/02 (2006.01); B05D 5/06 (2006.01); G06F 3/041 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
G02B 5/0221 (2013.01); B05D 5/06 (2013.01); G06F 3/0412 (2013.01); G02F 2001/133507 (2013.01);
Abstract
An optical sheet used as a component for a touch panel or a display element of a display device is capable of imparting a variety of characteristics such as anti-glare properties and preventing the scintillation of image light in ultrahigh-definition display elements having a pixel density of 300 ppi or more. The optical sheet has an uneven shape on a surface, and the uneven shape satisfies at least one of three disclosed conditions relating to the inclination angles of the uneven portions of the sheet and the distribution curves of the inclination angles.