Don't let light damage destroy the future of LED lighting

In the LED is recognized as the best light source in the future, the industry has recently repeatedly broke LED light damage. As a new type of light source, LED lighting technology has achieved rapid development in recent years. At the same time, the safety of LED light source to human health has been paid more and more attention. LED as the carrier will a healthy lighting more widely applied to our lives, so in the use of different occasions, how to determine the safety of LED? LED for healthy lighting, there is not a quantitative standard? How to use the research results to real and healthy lighting market combination, and guide enterprises to scientific development LED lighting products more safety and health problems caused by the industry to think?.

Guard against the harm of LED glare to human body

Clear night, the head will be able to see the Milky way, twinkling stars all over the sky, so long live in the city, people accustomed to the color of the five colors to create a shock of the soul. Now, in some big cities may no longer exist. There are many problems with the use of the lighting system. The most obvious effect is that the stars in the night sky are covered by the lights of many buildings. This makes the study of the universe affected, the ecological balance is destroyed, human health damage.

In recent years, the development of LED lighting presents a lively scene. Like other light sources, LED's optical radiation can also cause harm to humans. Damage occurred mainly in the eyes and the skin, such as skin and eye damage, photochemical eyes near UV damage, retinal damage, aphakic retinal blue photochemical photochemical damage, retinal thermal hazard and skin heat harm, and two more vulnerable eyes. In addition, LED can cause glare hazard. Glare is in the field due to the brightness distribution or range is not suitable, or in space or time in extreme contrast, causing discomfort and reduce the visibility of objects of vision, glare is one of the most important factors to evaluate the quality of lighting.

The common cause of light pollution is glare. In view of the light glare refers to the range of brightness is not suitable, in space or time there are extreme brightness contrast, causing discomfort or reduce the visual phenomenon of visibility, light pollution of glass curtain wall is due to the reflection of sunlight, the light too strong light glare caused by. The glare eyesight and quickly fatigue, there are a lot of daily life in the glare of pollution, such as the headlights of oncoming Night Glare will decrease by the driver and pedestrian control light stimulation, it is prone to danger.

The radiation hazard has been listed as the fourth major environmental safety problems of the human being in the air, water and noise. Optical radiation is an important component of radiation, and its ultraviolet radiation and blue light radiation are particularly harmful to the human body. In recent years, with the development of LED technology, the radiation intensity is greatly improved LED chip, more and more narrow beam, widely used LED with UV and blue wavelength chip, the LED light radiation hazard has become a problem that can not be ignored. LED light radiation hazards are mainly reflected in the near ultraviolet radiation damage of the eyes, photochemical damage of retinal blue light and thermal damage of radiation.

Reporters learned from the Department in charge of the photoelectric inspection experts, bio safety detection of substandard lamps may be injured, may also hurt people's eyes. In particular, the use of blue light or ultraviolet light emitting LED lamp, more prone to leakage of blue light or ultraviolet light on the human body damage caused by the problem. At present, the EU has forced the LED lamp for bio safety testing, experts call for domestic should also pay attention to.

Guangzhou copper lighting design Co. Ltd. design director Xu Qinghui said: "in theory, the type of lamp, LED lamp on the health of children (not just the eyes) minimum damage and even no harm. Of course, the premise is to use a regular brand manufacturers qualified, through the domestic CCC certification or foreign UL, CE and other types of safety, electrical certification of LED lamps. If the use of fake and shoddy LED lamp, it is better not to use!"

LED advertising screen brightness over cited harm

At present, along with each big city such as LED display like bamboo shoots after a spring rain erected in the streets and lanes, with LED display light pollution to the increasingly serious problem, government departments also pay close attention to the introduction of relevant policies to reduce light pollution.

The director of the Shanghai Tenth People's Hospital of the ophthalmic excimer laser tells us that high brightness LED display screen may bring two damage to the human eye, one is when the human eye by high brightness glare stimulation, eye pupil, eyes will obviously feel uncomfortable, the other is the screen flashing light, the frequency is too high, will have a serious impact on the macular retina, long-term damage and even lead to macular degeneration, especially the elderly and children, so that they do not always stare at the screen, there is definitely a damage to the eyes.

Large screen display is a public media, public welfare, advertising, instructions, etc.. We choose to play the content, must be consistent with the requirements of the public to avoid refusing to see the psychological. This is also an important aspect of light pollution prevention and control.

Recalling the development of LED more than and 20 years, LED has been accused of the future of the lighting industry. Although in the use of cluster LED large display screen because of the design considerations and transport