Sunlight collecting and transmitting system

Details Sunlight collecting and transmitting system Sunlight collecting and transmitting system

1998-01-20

2000-05-09

Sember, Thomas M.

Illumination

Light fiber, rod, or pipe

With filter device

362576, 362 84, 362147, F21V 800

Patent

active

060594381

ABSTRACT:
A lighting system for an interior of a building and the like includes a stack (102) of fluorescent sheets for collecting and converting sunlight into concentrated light. The stack (102) is of a substantially rectangular prism shape having top and bottom surfaces, opposed side surfaces defining therebetween a width of the stack (102), and opposed end surfaces defining therebetween a length of the stack (102), wherein the length of the stack (102) is sufficiently greater than the width of the stack (102) such that its aspect ratio as herein defined is greater than 4.0. The lighting system also includes a flexible light guide (104) for channeling the concentrated light to a light emitting fitting for the interior of the building or the like. The light guide (104) is optically coupled by optical joint (103) with the stack (102) through one of the end surfaces of the stack (102). The total cross-sectional areas of each of the stack (102), optical joint (103) and flexible light guide (104) are substantially the same, and the optical joint (103) is created by a medium having a refractive index close to that of the stack (102) and flexible light guide (104).

REFERENCES:
patent: 4539625 (1985-09-01), Bornstein et al.

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