Lighting panel having improved refracting elements

Details Lighting panel having improved refracting elements Lighting panel having improved refracting elements

1976-03-29

1978-01-17

Griffin, Donald A.

Illumination

Light modifier

Refractor

F21V 500

Patent

active

040694178

ABSTRACT:
A lighting panel used to control locally unidirectional light passing therethrough is constructed from a plurality of light modifying elements for substantially controlling the distribution of light within a control range. Each element is constructed to critically reflect the collimated light and then refract the reflected light into at least two peak lighting intensities within the control range.

REFERENCES:
patent: 1796468 (1931-03-01), Main
patent: 3349238 (1967-10-01), Kruger
patent: 3721818 (1973-03-01), Stahlhut
patent: 3794829 (1974-02-01), Taltavull
patent: 3866036 (1975-02-01), Taltavull

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