Beam-forming lens with internal cavity that prevents front losses
First Claim
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1. In a device for directing light longitudinally forwardly, the combination comprising:
- a) a lens body having a front face facing forwardly, rearward body extent, and a curved sidewall extending between said rearward body extent and said front face,b) a rear cavity in said body, said cavity being free of solid material defined by the body, and having a sidewall and a front wall openly spaced from a glass enclosure, said sidewall and said front wall meeting at a sharp corner,c) and a light source enclosed in said enclosure arranged in said cavity, and characterized in that light rays transmitted by said light source toward said curved sidewall, and toward said sharp corner are collimated forwardly.
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Abstract
A device for directing light longitudinally forwardly, that comprises a lens body having a front face facing forwardly, rearward body extent, and a curved sidewall extending between the rearward body extent and the front face; a rear cavity in the body, the cavity having a sidewall and a front wall defining a corner; and a light source in the cavity, and characterized in that light rays transmitted by the light source toward the curved sidewall, and toward the corner are collimated forwardly.
239 Citations
14 Claims
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1. In a device for directing light longitudinally forwardly, the combination comprising:
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a) a lens body having a front face facing forwardly, rearward body extent, and a curved sidewall extending between said rearward body extent and said front face, b) a rear cavity in said body, said cavity being free of solid material defined by the body, and having a sidewall and a front wall openly spaced from a glass enclosure, said sidewall and said front wall meeting at a sharp corner, c) and a light source enclosed in said enclosure arranged in said cavity, and characterized in that light rays transmitted by said light source toward said curved sidewall, and toward said sharp corner are collimated forwardly. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification