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COLLIMATING OPTICAL ELEMENT, COLLIMATING OPTICAL ASSEMBLY, COLLIMATING OPTICAL ARRAY AND COLLIMATING OPTICAL MODULE

  • US 20120147476A1
  • Filed: 12/09/2011
  • Published: 06/14/2012
  • Est. Priority Date: 12/10/2010
  • Status: Active Grant
First Claim
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1. A collimating optical element, for receiving a light emitted by a light source comprising an optic axis, the collimating optical element comprising:

  • a light incident surface, for receiving the light and comprising a central axis; and

    a light emission curved surface, intersected with a first plane being vertical to the central axis to form a first curve, wherein the first curve has a plurality of first curve segments, each first curve segment comprises at least three first tangent points, and after passing each first tangent point along a connecting line of the light source and each first tangent point, the light exits along a first collimation axis, an included angle formed between the first collimation axis and the optic axis is greater than −

    15° and

    smaller than 15°

    , and each first tangent point satisfies a formula in the following;

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