LED source with hollow collection lens
First Claim
Patent Images
1. A light source, comprising:
- an LED emitter; and
a hyperhemispheric meniscus lens having a hollow cavity;
wherein the LED emitter is disposed in the cavity.
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Abstract
A light source, includes an LED emitter and a meniscus lens having a hollow cavity in which the LED emitter is disposed. The meniscus lens is in exemplary embodiments hyperhemispheric, and it produces a high quality optical image of the LED emitter. The cavity of the lens is filled with air, such as terrestrial atmosphere, inert gas, or vacuum.
141 Citations
11 Claims
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1. A light source, comprising:
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an LED emitter; and a hyperhemispheric meniscus lens having a hollow cavity; wherein the LED emitter is disposed in the cavity. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification