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. 02, 2017
Filed:
Sep. 26, 2013
Applicant:
Rambus Delaware Llc, Brecksville, OH (US);
Inventors:
Kurt R. Starkey, Strongsville, OH (US);
Robert M. Ezell, Brunswick, OH (US);
Fumitomo Hide, San Jose, CA (US);
Assignee:
Rambus Delaware LLC, Brecksville, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); F21V 8/00 (2006.01); G02B 5/02 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0036 (2013.01); G02B 5/0221 (2013.01); G02B 6/0053 (2013.01); G02B 6/0065 (2013.01); G02B 6/0058 (2013.01);
Abstract
An article of manufacture includes first and second micro-features of well-defined shape. In some embodiments, the article of manufacture is a light guide or redirecting film and the second micro-features are micro-optical elements configured to disrupt a specular optical path that includes the second micro-optical element. In other embodiments, the article of manufacture is a patterning tool for use in making an optical substrate. Embodiments of the optical substrate are formed by injection molding or embossing using the patterning tool.