Desk lamp use considerations, saw - don't regret it China lighting network

The last time, we talked about how to use the desk lamp of three caused by spectrum of choose and buy of simple and practical, today we talk about desk lamp use the matters needing attention. These details if you do not pay attention to, it is a good desk lamp is spoilt, is it not a pity? First, pay attention to the desktop reflection. This is an easily neglected details, but the consequences will be severe. The above three photos are the actual case of my classmate friend's house, is the probability is very high? Take a look at the first, the reflective brightness how high? Here to speak with luminance meter measured results. Pictured above, up to 10500 CD/m2! ！ ！ General human eye applicable safety brightness in about 2000 CD/m2, this is beyond 5 times! Take a look at near the reflective light dark parts of the brightness? Pictured above, only 113 CD/m2. That is reflective of the edge of the brightness of the light spot is normal brightness 100 times! If your desk desktop is relatively smooth texture, so be sure to alert, see if there are any reflection. Solution is above lays a light-colored cloth, forming uniform diffuse reflection. We take a look at the case just now, spread the cloth after effect of what kind of? How much is the brightness? Above the picture is paved the light-colored cloth after effect, no dazzling reflective, light color is very even. To measure the brightness is the brightness of the light source directly, is 126 CD/m2. This is the brightness of the part on the edge, is 103 CD/m2, as you can see, the brightness difference is very small. _ueditor_page_break_tag23_ second, pay attention to put desk lamp. This is more easily neglected details. Put the correct orientation is left or right in front, in front to avoid on the right side ( If you are left-handed, write with their left hand, then the lamp should be placed on the right hand side) 。 To compare with two photos below this is the effect of the desk lamp on the right side. Light from the right call, is blocked by hand, form the shadow. This is a lamp on sitting in front of the effect, no light is blocked by hand, no shadow. Third, pay attention to the height of the desk lamp. Suggest lamp surface from the desktop height 35 cm, with eyes cannot see the shiny surface directly advisable. Fourth, pay attention to the desk lamp on to read and write, at the same time open the background lighting. Average room has absorb dome light or canister light, open the background lighting purpose is to improve the space illumination uniformity, improve the comfort of the eye. Ok, use desk lamp the note here, isn't it help you? YanZhiXiang

the optical network of China