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.

Date of Patent:
Feb. 12, 2008

Filed:

Apr. 23, 2004
Applicant:

Robert B. Nilsen, Mystic, CT (US);

Inventor:

Robert B. Nilsen, Mystic, CT (US);

Assignee:

Reflexite Corporation, Avon, CT (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 27/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

A plurality of microstructures is provided, with each microstructure having at least a first side and at least a second side terminating at a peak. At least some of the peaks can include an elevated portion to space the peaks away from adjacent optical sheets, surfaces, films, substrates, or other layers to minimize wet-out, Newton's rings, abrasions, moiré fringes, or other undesirable optical conditions. In other embodiments, an optical film is also provided that includes a first plurality of microstructures having a base, a first side, and a second side, and a second plurality of microstructures having a base, a first side, and a second side, the first side including a first planar surface, and the second side including a second planar surface and a third planar surface.


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