How do LED’s work?
LED’s are a lambertian light source
Final light pattern generate generated by an LED is the result of:
Light directly refracted by the encapsulating lens, the light internally reflected inside the lens, and the light reflected by the reflecting cup
Dependant on the geometry of the reflective cup and the encapsulating lens
An LED is a directional light source, with the maximum emitted power in the direction perpendicular to the emitting surface
Typical radiation patterns of LED’s show that most energy is emitted within 20 degrees of the direction of maximum light.
Plastic lenses can be used to spread light for greater angles of visibility
We may have to do this as some of the lights require larger/smaller angles
LED’s are available in a wide variety of beam patterns
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