LED Blu ray storage problems exist, the experts suggest that the product paste label

Recently, there is news that LED blue light overflow may cause damage to the retina, and even blindness. Known as the fourth generation light source LED lights really unsafe? In today's 2013 China (Shanghai) international semiconductor lighting application technology forum, the experts suggested that the future market sales of LED lamps should be clearly marked which kind of standards, which should be used with caution.

China's standards should be upgraded to mandatory

Related research shows that different wavelengths of blue light is different for the harmful effects of the human eye, the harm effect between 435 nm to 440 nm blue light to the eyes of the maximum, the effect decreases with the increase or decline of wavelength. The LED light source, because most of the light emitted by the white light through the blue chip LED and yellow phosphor mixed, the peak of spectral energy is just in the blue band.

"It is precisely because of the white LED lighting products rich in blue spectrum characteristics, only the international standards for the harm of light, in order to indicate the safety of products should be achieved. "Shanghai city lighting product quality supervision and inspection station deputy head, Shanghai Lighting Association chairman Yu Anqi said that China" of lamps and lamp systems photobiologycal "national standards, the calculation method of blue light hazard and quantization which made a clear introduction.

However, many experts said that the current problem is that this standard is a recommended standard, rather than mandatory standards, the implementation of the standard discount. Therefore, the experts suggested that the nature of the standard should be upgraded to mandatory, and included in the lighting certification standards.

Blue label for LED lamp

Department of Optoelectronic Information Engineering Zhejiang University professor Mou Tongsheng told London reporter, according to the international blue light intensity, there is zero class (no risk), a (low risk), two (dangerous) such as division, currently used for LED lighting is almost zero and a class is two, if the class is marked "mandatory eyes not stare".

"The current standard limits are based on adult and experimental data, which do not take into account certain specific populations, such as infants and young children who may be exposed to the light source for a long time, resulting in damage to the retina. Otolaryngological Hospital Affiliated to Fudan University President Sun Xinghuai pointed out that the eyes of children, the elderly and people with eye disease should pay attention to the blue light hazards, such special populations should use zero class products.

However, the market on the LED lamps, and did not specify what kind of Blu ray. "Although it is currently used as a basic category of LED lighting for the zero class and a class, but because there is no requirement to mark the zero class and a class, so it is difficult for the public to distinguish. In this regard, Zhang Shanrui, deputy director of the Institute of electric light, Fudan University suggested that in the future, the market should be clearly marked on the sale of LED lights which kind of standards, which should be used with caution. In this regard, Yu Anqi agreed, he believes that the future of LED lights, may be playing a blue label.