Lighting fixture and method using multiple reflections
AssigneeOptical Coating Laboratory, Inc.
InventorsEdward A. Small, Jr., Ian Lewin
Life of this patent
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Abstract
A lighting fixture and method using multiple reflections having a housing with an open side. A lamp is mounted in the housing and produces rays of light which pass through the open side. First and second reflecting surfaces are carried by the housing for reflecting light. The first and second reflecting surfaces are positioned on opposite sides of the lamp so that direct rays from the lamp will strike the first reflecting surface and be reflected onto the second reflecting surface and then will be reflected through the open side of the housing at a high angle with respect to the angle of the original direct rays from the lamp.
Claims14
In a lighting fixture, a housing having an open side, a lamp mounted in the housing and producing rays of light, first and second reflecting surface carried by the housing for reflecting light from a lamp, said first and second reflecting surfaces being positioned on opposite sides of the lamp whereby direct rays of the lamp will strike the first reflecting surface and be reflected onto the second reflecting surface and then will be reflected through the open side at a high angle in the vicinity of 70.degree. and greater with respect to vertical, each of said first and second reflecting surfaces being formed of a metal layer and a multi-layer high reflectivity coating carried on the metal layer, said multi-layer high reflectivity coating being formed of materials having high and low indices of - refraction to provide a reflectivity which does not fall below 95% for light at any angle.
Dependencies are inferred from the claim text.