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Directional lambertian optic illumination apparatus

Patent image
NRL

A lighting apparatus is presented, having a Lambertian or quasi-Lambertian light source with an emitter side, as well as a reflector structure having an output side and a reflective surface with a concave parabolic contour that reflects light from the emitter side of the light source to provide Lambertian or quasi-Lambertian output light from the output side.

Inventors: 
Lebow, Paul S.; Snail, Keith A.
Patent Number: 
Technical domain: 
Electronics and Energy
FIle Date: 
2009-09-15
Grant Date: 
2013-08-06
Grant time: 
1,421 days
Grant time percentile rank: 
26
Claim count percentile rank: 
6
Citations percentile rank: 
1
'Cited by' percentile rank: 
1
Assignee: 
US NAVY