Lighting effect encompasses various factors, including beam angle, presence of secondary light spots, light color temperature, and glare, all of which exert a significant infuence on the overall lighting effect.
Beam angle:
The beam angle, as depicteed in LED LIGHTING EFFECT chart1, refers to the angle at which light emanates from the light source. When choosing lighting for wall washing or artwork illumination, it becomes crucial to take into account different beam angles as they produce different effects on the wall surface.
For instance, a wall wash spotlight with a specific angle may produce a particular visual effect.
If the angle is too small, the light spots will appear discontinuous, while if it is too large, the light effect will not resemble small hills.
It is recommended to choose a beam angle between 24-60 degrees for optimal results.
Secondary light spots: Secondary
light spots
Many people may be familiar with this term, especially when they have seen trendy ceiling light designs. However, after they bought the lights and installed them at home, the result may be a layered effect instead of the desired small hills .
This is caused by secondary light spots, which are formed due to the refraction of light.
The primary light spot is formed by direct light emission from the light source, while the secondary light spot is formed by light reflected by the reflector cup (as shown in above picture).
Therefore, for LED spotlights, it is important to avoid obvious secondary light spots if you want a simple and visually appealing wall washing effect.
Glare
Glare is a common issue, which can be described as the discomfort caused by bright lights shining directly into the eyes, as shown in the figure.
It is important to prevent glare, as there is a significant difference between lights that support glare prevention and those that do not.
Common methods to prevent glare include deep cup design, honeycomb glare shield, optical lenses, and black cups (dark surface reflection) (as shown in the figure).
Additionally, you can also refer to the Unified Glare Rating (UGR) of the lighting fixture, where a smaller UGR indicates better glare prevention. refer to HSONG LIGHTING hot sale Aluminum Spot light 10W Recessed COB LED Spotlight
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