Lighting devices for controlled distribution and for panel radia

Details Lighting devices for controlled distribution and for panel radia Lighting devices for controlled distribution and for panel radia

1997-10-24

2000-12-19

O'Shea, Sandra

Illumination

Revolving

362299, 362300, 362301, F21V 704

Patent

active

061619353

ABSTRACT:
A lighting device of a controlled distribution type provides a high energy efficiency and desired distribution of light. Such lighting device is obtained by redirecting and condensing the flux of a lamp 1 with an ellipsoidal reflector 2 alone or together with a spheric reflector 3, further redirecting visible or infrared rays in the flux to have visible rays entered to a transparent diffuser 5 which embodies a plurality of ridges or ridges and grooves and diffuses incident light in single axis and further controlling such diffused rays with a reflector or a set of reflectors 6.
Such lighting device is used to constitute another lighting device in a radiation panel type.

REFERENCES:
patent: 5278731 (1994-01-01), Davenport et al.
patent: 5303322 (1994-04-01), Winston et al.
patent: 5618102 (1997-04-01), Ferrell
patent: 5810469 (1998-09-01), Weinreich

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