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. 16, 2023
Filed:
May. 21, 2019
Applicant:
Nitto Denko Corporation, Osaka, JP;
Inventor:
Kari Rinko, Helsinki, FI;
Assignee:
NITTO DENKO CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/00 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/005 (2013.01); G02B 6/006 (2013.01); G02B 6/0036 (2013.01); G02B 6/0065 (2013.01);
Abstract
A controlled light distribution element is provided comprising a lightguide medium configured for light propagation, a first functional layer configured as an optical filter layer and disposed on an at least one surface of the lightguide medium, and a second functional 5layer comprising an at least one optically functional pattern, wherein the first functional layer and the second functional layer are rendered with an at least one optical function related to incident light and, in particular, to light incident at an angle equal and/or below the critical angle.