A collimated light generating device based on LED light source
A technology of LED light source and generating device, which is applied in the direction of light source, lighting device, and components of lighting device, etc., can solve the problems of low light intensity, scattered light, poor light collimation and uniformity, etc., to improve efficiency and brightness 、High collimation of light output, improve the effect of lighting distance
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Embodiment 1
[0026] Embodiment one: if Figure 3 ~ Figure 8 As shown, a collimated light generating device based on an LED light source includes a light emitting device and a reflection device 3, and a light deflection and collimation device 4 is provided on the light output direction of the reflection device 3, and the light deflection and collimation device 4 includes a cuboid base 42 and a plurality of triangular prisms 41 arranged side by side on the cuboid base 42, the cuboid base 42 and the triangular prism 41 are optically integrated structures, the cross section of the triangular prism 41 is triangular, and the variation range of each interior angle of the triangle is 30 ° to 120 °, and the triangular prism is This triangle is stretched and formed, and the surface of the triangular prism 41 is used as the incident surface of the light deflection and collimation device 4 towards the reflection device 3, and the surface of the cuboid base 42 is used as the light exit surface of the li...
Embodiment 2
[0029] Embodiment two: if Figure 9 ~ Figure 11 As shown, other structures are the same as in Embodiment 1, except that a one-dimensional lens array 5 is arranged between the light emitting array 1 and the paraboloid 31, a one-dimensional lens array 6 is arranged between the light emitting array 2 and the paraboloid 32, and a one-dimensional lens array 5 is arranged between the light emitting array 2 and the paraboloid 32. The sum 6 is composed of a plurality of arcuate lenses 52 arranged side by side on the base 51 , and the arrangement direction of the arcuate lenses 52 is consistent with the extending direction of the triangular prism 41 .
[0030] like Figure 11, before adding the one-dimensional lens array, the rays 01 and 02 on both sides of the center line 11 of an LED light source are irradiated on the parabolic reflective surface 3, and reflection occurs. After the reflection, the rays 01 and 02 are not collimated, and at a certain angle The incident light is incide...
Embodiment 3
[0031] Embodiment three: as Figure 12 As shown, the other structures are the same as those in Embodiment 1 or 2, except that the parabolic reflector 3 is two symmetrical annular paraboloids extending circularly around the central vertical line at the intersection of the two parabolas, and the focal points of all parabolas connect the line These are two semi-circular lines, and the light emitting devices are two LED light sources 1 and 2 symmetrically arranged on the said line of focus.
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