05570239 is referenced by 6 patents and cites 5 patents.

A directional light screen and method of making the same are provided. The directional screen includes a plurality of transparent carrier members having opposing sides, the carrier members being arranged in a side-by-side manner. Thin lamellae can be placed between the carrier members, or the carrier members can be spaced by an air gap. The screen is mountable proximal to a light source. The screen directs light from the source in a direction generally parallel to the sides and lamellae. The sides can be smooth, roughened or contoured. Also, the lamellae can desirably be tinted, absorbing or reflective. Furthermore, the directional screen can be shaped to fully or partially surround a light source.

Title
Directional screen for a lighting fixture and method of making same
Application Number
8/332791
Publication Number
5570239
Application Date
November 2, 1994
Publication Date
October 29, 1996
Inventor
Rinaldo Raimondi
Schlieren
CH
Agent
Hill Steadman & Simpson
Assignee
Bruno Raimondi
CH
Olgo Raimondi Stauble
CH
Enrico Raimondi
CH
IPC
F21V 11/02
F21V 11/06
G02B 7/182
G02B 27/00
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