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. 01, 2018
Filed:
Sep. 16, 2014
Applicant:
University of Utah Research Foundation, Salt Lake City, UT (US);
Inventors:
Rajesh Menon, Salt Lake City, UT (US);
Arkady Rudnitsky, Salt Lake City, UT (US);
Zeev Zalevsky, Salt Lake City, UT (US);
Assignee:
University of Utah Research Foundation, Salt Lake City, UT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0096 (2013.01); G02B 6/0008 (2013.01); G02B 6/0045 (2013.01); G02B 6/0046 (2013.01);
Abstract
A display backlight can include a light source and a parabolic waveguide. The parabolic waveguide can have a light inlet to receive the light from the light source, a parabolic reflective surface adapted to change a direction of the light emitted from the light source by a predetermined angle, and a light outlet configured to emit the light at the predetermined angle.