Reflective cup & lens

As is known to all, reflective glass and lens belong to secondary optics, secondary light distribution effect is light, they can say is the core of the luminous efficiency of lamps and lanterns, without the use of this core, the market of lamps and lanterns is about to go back to the original stage, is full of sunlight, since it is applied, so let's start to understand the difference between the reflective glass and lens.

Reflective cup

Do should know the original LED lamp light Angle is 120 ° or so, in order to realize the use of light to achieve the effect of demand, lamps and lanterns of reflector are used to control the light distance, area, light effect, the reflector is usually in the form of cup, and for this in the form of reflector industry are collectively referred to as reflective cup.

lens

LED lens is divided into primary lens and secondary lens. The lens we commonly refer to is the default secondary lens, that is, outside the LED light source, closely combined with it.According to different requirements, different lenses can be used to achieve the desired optical effect.

Nowadays, secondary lenses in the market are generally full reflection design (TIR). The design of the lens is to penetrate and concentrate light on the front, while the conical surface can collect all the light from the side and reflect it off. When the two lights are overlapped, a perfect spot effect can be obtained.The efficiency of TIR lens generally over 90%, the general beam Angle < 60 °, can be applied to the lamps and lanterns of small Angle.

At this point, I'm sure some friends will ask, when to use the lens, when to use the reflective cup?

Reflective cup has a pair of bright spot, it can provide an excessive, make the light more comfortable, but also is not cookie-cutter so, let everybody see a group of pictures first.

The effect of the lens is relatively perfect. Generally, there is no auxiliary light spot and the light shape is more beautiful.And the effect that reflects a cup comes out, contain pair of bright spot, the light shape has lamination effect.The friend that believes to be aesthetic normal can feel the effect of above picture more suit to show the artistic sex that hangs a picture, and the picture that has pair of bright spot is a bit unsatisfactory, can say even look very awkward, but does this represent to have the reflective cup of pair of bright spot to have no use?That's not it.

In a scene, still is reflective cup, is still a light, however when vice flare effect fully highlight, it's beautiful sex compared with before, there is not a class, also this is also a question of putting the cart before the horse, first for developers, where do you want to understand your needs, in what condition, where is the need to achieve what kind of photosynthetic efficiency.Then there is the further implementation process and the implementation plan.

Again, what you need to achieve is what you want and what you think is the best optical component, and they're not good or bad.

Tube lamp (wall lamp) - recommended light fitting for reflective cup and lens (without optical requirement)

Like canister light of lamps and lanterns, is usually installed on the wall of corridor, also is one of the lamps and lanterns of people eyes nearest, if the light of lamps and lanterns is strong, it's easy to not adapt to psychological and physical, so the tube light class design, there is no special request, for the use of reflective glass effect is relatively general lens will be a little bit better, after all have a spot of excessive, won't let a person walking in the corridor will look for some point light is strong too much, lead to eye discomfort.

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In fact, OKT light focus on led commercial led light manufacture since 2008, We

have more increasing energy-efficient, cost-effective and aesthetically pleasing product,like led linear pendant lighting,led flat panel light,led troffer,surface mount led light,emergency led driver

And OKT Lighting is customer demand-oriented, and continues developing more and better new products, We provide wholehearted services, and look forward to your Valuable opinions.