How To Prevent Glare LED
First of all to the general science: Glare (glare) refers to the visual field due to unfavorable brightness distribution, or in space or time there is extreme brightness contrast, resulting in visual discomfort and reduce the visibility of the object visual conditions. Vision of the human eye can not adapt to the bright feeling, may cause disgust, discomfort or loss of vision. In the field of view - a local place too high brightness or before and after the occurrence of excessive brightness changes. Glare is one of the important causes of visual fatigue.
In order to get a comfortable, high-quality lighting environment, by improving the lamp to suppress glare is very necessary. In recent years, exports to the EU indoor lighting has anti-glare standards, that is, UGR <19, or even lower. In fact, as early as 1995, CIE (International Commission on Illumination) has put forward the concept of anti-glare lighting, and UGR (Unified Glare Rating) as an evaluation of indoor lighting environment uncomfortable glare indicators. With the development of LED chip technology, LED lamps more and more bright, uncomfortable glare is also more and more serious.