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:
Feb. 25, 2025
Filed:
Feb. 06, 2024
Applicant:
Fraen Corporation, Reading, MA (US);
Inventor:
Carlton S. Jones, Boxford, MA (US);
Assignee:
Fraen Corporation, Reading, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/00 (2006.01); F21V 8/00 (2006.01); G02B 1/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0031 (2013.01); G02B 1/005 (2013.01); G02B 6/003 (2013.01); G02B 6/0073 (2013.01); G02B 6/0096 (2013.01);
Abstract
In one aspect, an optical system is disclosed, which includes a light guide having an input end for receiving light from at least one light source and an output end through which light exits the light guide, said light guide further having at least one highly reflective surface positioned to provide specular reflection of at least a portion of the light entering via the input end of the light guide, where the highly reflective surface exhibits a specular reflectance of at least about 95% for light with one or more wavelengths in a wavelength range of about 380 nm to about 780 nm.