TOTAL INTERNAL REFLECTION LENS WITH INTEGRATED LAMP COVER
First Claim
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1. A lens assembly comprising:
- a total internal reflection (TIR) body member having a first end, a second end opposite the first end, and an outer surface, the TIR body member being substantially cylindrically symmetric with respect to an optical axis, the outer surface having a tapered shape such that the TIR body member is wider at the second end than at the first end, the tapered shape providing total internal reflection to direct light from a light source position near the first end toward the second end; and
a cover member disposed at the second end of the TIR body member and integral with the TIR body member, the cover member having a width in a direction transverse to the optical axis that is greater than a widest diameter of the TIR body member and a thickness in a direction along the optical axis that is less than a thickness of the TIR body member.
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Accused Products
Abstract
A total internal reflection (TIR) lens has an integrated lamp cover adapted to a lamp of a desired form factor (e.g., PAR-38). The size and shape of the TIR lens can be adapted to optimize the light output of the lamp with little regard to the desired form factor. The integrated lamp cover can extend the front surface of the TIR lens in a direction transverse from the optical axis.
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Citations
16 Claims
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1. A lens assembly comprising:
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a total internal reflection (TIR) body member having a first end, a second end opposite the first end, and an outer surface, the TIR body member being substantially cylindrically symmetric with respect to an optical axis, the outer surface having a tapered shape such that the TIR body member is wider at the second end than at the first end, the tapered shape providing total internal reflection to direct light from a light source position near the first end toward the second end; and a cover member disposed at the second end of the TIR body member and integral with the TIR body member, the cover member having a width in a direction transverse to the optical axis that is greater than a widest diameter of the TIR body member and a thickness in a direction along the optical axis that is less than a thickness of the TIR body member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification