What Is UGR?

- Oct 11, 2018-

What is UGR?

With the rise of the lighting industry and the improvement of people's living standards, lamps are no longer a simple lighting tool. Today's lamps can be used in all walks of life and play various roles, such as medical lamps. Decorative lamps, industrial lamps, etc.led bulb light

Of course, while the lamp is widely used, many problems about the lamp are also beginning to appear, such as heat dissipation, waterproofing, and protection; light effect illumination, light angle, brightness, UGR, and the like.led tube light

Today we are talking about UGR.

What is UGR? I believe this is no stranger to industry veterans. Especially at the stage of fighting UGR, many engineers have sacrificed beautiful long hair for this. Although many people are no strangers to this, it is still necessary for newcomers in the industry to understand.led flame bulb

Disability glare is a glare that reduces visual effects and visibility, and it is often accompanied by discomfort. It is mainly caused by the stray light of the high-intensity light source entering the eye in the field of view, scattering in the eyeball and causing the image clarity and contrast on the retina to decrease. Disability glare is measured by the ratio of the visibility of a job under a given lighting facility to its visibility under reference lighting conditions, called the disability glare factor (DGF).

Diseomfort glare, also known as "psychological glare," refers to glare that causes visual discomfort but does not cause a decrease in visibility.led night light

The above two types of glare are the so-called UGR (Unified Glare Rating), which is one of the main contents of lighting quality evaluation in lighting design. These two kinds of glare can appear at the same time, or they can appear in a single way. The same UGR is not only a visual problem, but also a design and application problem. Now, let’s talk about how to reduce UGR as much as possible in actual operation. Comfortable value.

Dalian Xinghai Technology Co., Ltd.