How to prevent glare with LED
First of all, let me give you a general introduction: glare refers to the visual conditions that cause visual discomfort and reduce the visibility of objects due to inappropriate brightness distribution or extreme brightness contrast in space or time in the field of vision. The visual field produces a feeling of light that the human eye cannot adapt to, which may cause disgust, discomfort, or even blindness. Excessive brightness or excessive brightness change occurs in a certain part of the field of vision. Glare is one of the important causes of visual fatigue.
In order to obtain a comfortable and high-quality lighting environment, it is very necessary to suppress glare by improving lamps. In recent years, indoor lamps exported to the EU have anti glare standards, that is, UGR < 19 or even lower. In fact, as early as 1995, CIE (International Lighting Commission) had proposed the concept of anti glare of lamps and took UGR (Unified glare rate) as an index to evaluate the uncomfortable glare of indoor lighting environment. With the development of LED chip technology, LED lamps are brighter and brighter, and uncomfortable glare is becoming more and more serious. Therefore, in 2014, the European Union made UGR limit a mandatory standard for lamps and lanterns, instead of just serving as a reference as before.
The commonly called "UGR < 19" only meets the most basic glare requirements of schools and offices, for example. In fact, in actual use, customers will still prefer lamps with smaller UGR. If you look at the following table of correspondence between UGR value and uncomfortable glare degree, you will understand that UGR = 19 actually means uncomfortable. The smaller the UGR value in the workplace and study area, the better.
Many people have a misunderstanding about UGR, thinking that it, like power and light effect, is a parameter of the lamp itself. In fact, UGR means the discomfort of the lighting environment to the human eye, which is a value representing the uncomfortable glare degree of the entire lighting space calculated by various parameters related to the generation of glare. In short, UGR value is not only related to lamps and lanterns, but also to room size, room reflectivity, and observation direction of the observer.
Therefore, in the LED sales, I received many customers saying that the LED is very bright and dazzling. I had to ask him if the lamp you choose now is not dazzling? Is it dazzling to look at you in front of the sun? It is because of the light of the lamp that it is dazzling. Choosing the right LED can really save energy and efficiency. Similarly, the LED does not flash, which is related to the stability of the driving power supply. The use of the Intech power supply imported from the United States provides a major guarantee for voltage stability. In the field of industrial lighting, it ensures the eye health of workers and greatly reduces eye fatigue. We all know that the light efficiency of LED is three times that of traditional lamps. Therefore, when we choose LED lamps, we must choose them appropriately to avoid unnecessary energy loss.
Benwei Lighting is an LED Tube, LED flood light, LED Panel Light, LED High Bay, LED manufacturer with 12 years of experience. If you want to purchase a high-quality LED flood light or have a more in-depth understanding of the application of LED flood lights, please contact send us inquiry， our web: https://www.benweilight.com/.
