Illumination – Light modifier – Refractor
Patent
1993-10-25
1995-05-16
Lazarus, Ira S.
Illumination
Light modifier
Refractor
362337, 362339, 362329, 362309, 362310, 362328, 362363, F21V 502
Patent
active
054166845
ABSTRACT:
A luminaire capable of directing a high percentage of light source output in a downward direction includes a housing base, a light source mounted and electrically coupled to the housing base and a dome-shaped lens member made of light transmissive material disposed in surrounding relation to the light source. The lens member has a first region formed adjacent the housing base on which is disposed a first plurality of prismatic surfaces which both reflect and refract light in the downward direction. A second region is formed on the lens member adjacent the first region and includes a second plurality of prismatic surfaces which refract light output.
REFERENCES:
patent: 538193 (1895-04-01), Fredureau
patent: 1399973 (1921-12-01), Limpert
patent: 1654162 (1927-12-01), Doane
patent: 2831394 (1958-04-01), Heenan et al.
patent: 3425056 (1969-01-01), Dawson
patent: 3705303 (1972-12-01), Willis, Jr. et al.
patent: 4371916 (1983-02-01), De Martino
patent: 4816976 (1989-03-01), Fouke et al.
patent: 4823246 (1989-04-01), Dilouya
patent: 4839781 (1989-06-01), Barnes et al.
patent: 4858091 (1989-08-01), Fouke
Corwin Stanley C.
General Electric Company
Hawranko George E.
Heyman L.
Lazarus Ira S.
LandOfFree
Luminaire having predominantly refractive downlight capabilities does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Luminaire having predominantly refractive downlight capabilities, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Luminaire having predominantly refractive downlight capabilities will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-642692