How to solve the light pollution of LED electronic screen?

2021-03-17 15:54


  Light pollution refers to an adverse impact human normal life work and rest and recreation, damage people's abilities to observe objects, cause human body discomfort and harm to the health of the human body all kinds of light for a long time to live and work in light pollution environment, can lead to decreased vision, dizziness insomnia Heart palpitations. Loss of appetite, and mood and similar neurasthenic symptom, make the person's normal physiological and psychological changes, go down for a long time can cause other diseases .

light pollution of LED electronic screen

  At the same time, the light pollution can also affect the normal rest of people, lead to insomnia, much dream, the mood be agitated, induce a series of psychological problems.And LED display products is one of the most popular product of light pollution complaints Light pollution refers to an adverse impact human normal life work and rest and recreation, damage people's abilities to observe objects, cause human body discomfort and harm to the health of the human body all kinds of light for a long time to live and work in light pollution environment, can lead to decreased vision, dizziness insomnia Heart palpitations. Loss of appetite, and mood and similar neurasthenic symptom, make the person's normal physiological and psychological changes, go down for a long time can cause other diseases At the same time, the light pollution can also affect the normal rest of people, lead to insomnia, much dream, the mood be agitated, induce a series of psychological problems

  And LED display products is one of the most popular product of light pollution complaints. Because most manufacturers are now pursuing highlight screen body, outdoor LED display brightness 00 per square meter of more than 8000100 or 12000 CD, even have a lay to judge the quality of display brightness of high and low, this in the intangible greatly strengthened the light pollution damage to the public According to reliable data display, LED display brightness should not exceed 60% environment brightness, playing on people's eyes will meet feel very dazzling.

  It has a strong flicker feeling. If it goes on like this, it will affect people's vision and even increase the risk of skin disease. Next, we will introduce in detail the light pollution caused by LED electronic screens and the solutions.According to reliable data display, LED display brightness should not exceed 60% environment brightness, playing on people's eyes will meet feel very dazzling.

  It has a strong flicker feeling. If it goes on like this, it will affect people's vision and even increase the risk of skin disease. Next, we will introduce in detail the light pollution caused by LED electronic screens and the solutions:

  1.The light safety classification of LED electronic panel .

  light pollution can be broadly divided into the following two categories, namely, light biosafety and interference light biosafety:

  The main research scope of this type of light safety includes ultraviolet, infrared, blue light and visible light radiation damage to human tissues. Common photobiological hazards mainly include photochemical ultraviolet damage to human skin and eyes, blue light damage to human retina, infrared laying damage to eyes, and light and heat damage to skin.All sensory organs in the body, the eyes are the most important part of a, its ability to repair itself is relatively weak, once the external optical radiation will cause irreversible damage to the eyes, even if the visible light are likely to hurt people's eyes, such as shorter wavelength blue light can cause retinal photoreceptor cell damage, serious when can cause pigment epithelial function degradation, such as high strength and light irradiation can lead to thermal damage of retina interference, interference can be divided into direct and indirect light two kinds, the former is to point to specific vision brightness higher light directly cause the loss of visual resolution:The latter refers to the light did not directly appear within the field of vision, but after an object's surface reflection light projection into the problems of the human eye Through investigating the domestic some LED display manufacturers and found that the maximum brightness of LED display in 6 ~ 8 000 000 CD/m2, the numerical didn't.

light pollution of LED electronic screen

  reach the light brightness lowest biosafety problems, therefore, LED display is not including the blue light damage to the retina, light biological hazards.

  2. LED display interference light the reasons for the formation of their own reasons: LED display has the characteristics of high brightness, if the brightness of the display screen on a dark night output reached 8000 CD/m2, so will cause the light of the serious interference location: observer the closer the distance of the screen, or the standing position and display form on the edge, the greater the gaze direction toward the convergence, the screen or observer will produce more serious interference of the light.

  Illumination reasons: environment illumination exists obvious difference between day and night, this will cause the same brightness LED display in different times will cause varying degrees of disturbance observer light: occupational health psychology mood is different, the observer ages will feel different levels of light interference. For example, often contact photosensitizer or observer with eye diseases, to be more sensitive to light Content: if screen shown in the image content changes too fast, easy cause discomfort observer;Color is too bright .

  Transition hard, also can cause eye discomfort evaluation criteria: displays are used in many places, such as residential areas such as road traffic business district, because of the different nature of place, the interference of light evaluation standard is also different environment: the environment condition will obviously influence on the display screen interference light, if the environment condition is relatively poor, such as encounter haze dust fog rain storm weather, will affect people's judgment to display light interference, the human eye under the affected by external factors, will cause the judgment standard, the objectivity of impact assessment.

  3. Solution to LED display light pollution.

  Depending on the environment to adjust the brightness;

  Impair blue output;

  Control the distribution of light;

  Explicit safety protection methods;

  Improve product performance and quality;

  Introduce advanced technology.


 

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