Semiconductor lighting is one of the global hotspot industries that emerged at the beginning of this century and has received great attention from many countries.
LED as the core device of semiconductor lighting, because it is PN junction light, with high brightness, high luminous efficiency, long life, environmental protection and many other advantages, its application in recent years has been rapid development. Under the strong fashion trend of LED, have domestic manufacturers and consumers noticed the damage that LED may cause to the human retina?
A major feature of LED lighting is: a large proportion of the light it emits is blue light. The emission spectrum of the current GaN-based blue LED is in the sensitive spectral position of the photochemical damage of the retina of the human eye, and a large amount of scientific data has been obtained internationally based on animal experiments and tissue culture experiments on the retina of the human eye. This blue light can cause damage to retinal cells. Children are more sensitive than adults because their lenses are still in development and cannot filter blue light like adults. In addition, LEDs have a high degree of illumination and can cause dizziness. Based on the above two points, some of the bulbs on the market may be harmful to health.
In view of this, the EU has listed the safety of photobiological radiation of LED products as an important requirement for CE certification of product safety; Britain, Germany and other countries have formulated corresponding mandatory safety standards for LED products; last year, French food and environment The Occupational Safety and Health Administration also issued relevant documents to consider the light health issues of LED lighting systems. The United States has established relevant standards, and the United States LED product safety certification UL standard has also begun to develop corresponding market access requirements. Therefore, LED export companies need to pay more attention to the requirements of various countries for the safety of light bio-irradiation of LED products.
Little knowledge: The safety of photobiological radiation is divided into: "Exempt category" (RGO 5 Hazard), "One Class" (RG1 Low Hazard), "Second Class" (RG2 Medium Hazard) and "Three Classes" (RG3 High Hazard) Four Species.
LED as the core device of semiconductor lighting, because it is PN junction light, with high brightness, high luminous efficiency, long life, environmental protection and many other advantages, its application in recent years has been rapid development. Under the strong fashion trend of LED, have domestic manufacturers and consumers noticed the damage that LED may cause to the human retina?
A major feature of LED lighting is: a large proportion of the light it emits is blue light. The emission spectrum of the current GaN-based blue LED is in the sensitive spectral position of the photochemical damage of the retina of the human eye, and a large amount of scientific data has been obtained internationally based on animal experiments and tissue culture experiments on the retina of the human eye. This blue light can cause damage to retinal cells. Children are more sensitive than adults because their lenses are still in development and cannot filter blue light like adults. In addition, LEDs have a high degree of illumination and can cause dizziness. Based on the above two points, some of the bulbs on the market may be harmful to health.
In view of this, the EU has listed the safety of photobiological radiation of LED products as an important requirement for CE certification of product safety; Britain, Germany and other countries have formulated corresponding mandatory safety standards for LED products; last year, French food and environment The Occupational Safety and Health Administration also issued relevant documents to consider the light health issues of LED lighting systems. The United States has established relevant standards, and the United States LED product safety certification UL standard has also begun to develop corresponding market access requirements. Therefore, LED export companies need to pay more attention to the requirements of various countries for the safety of light bio-irradiation of LED products.
Little knowledge: The safety of photobiological radiation is divided into: "Exempt category" (RGO 5 Hazard), "One Class" (RG1 Low Hazard), "Second Class" (RG2 Medium Hazard) and "Three Classes" (RG3 High Hazard) Four Species.
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