On the 20th, the Shanghai Municipal Bureau of quality and Technical Supervision issued a product quality and safety risk warning for the built-in LED flashlight of smart phones. Children under the age of 10 and the elderly over the age of 60 should not look directly at the built-in LED flashlight of mobile phones.

With the rapid development of LED technology and the extensive extension of application fields, high-power single LED is widely used, such as the flasher for Smartphone photography. As a function, the flasher can be used as a portable flashlight with application software. Due to the inherent high brightness characteristics of LED products, it is easy to produce blue light biological hazards when used in close range.

In order to evaluate the quality and safety of smart phone built-in LED flashlight products, Shanghai Municipal Bureau of quality and technical supervision carried out quality and safety risk monitoring on smart phone products produced and sold in this city. A total of 19 batches of products were collected, covering the main brands produced and sold in the city, and the standard requirements such as IEC 62471:2006 photobiosafety of lamps and lamp systems, IEC / TR 62471-2:2009 photobiosafety of lamps and lamp systems - Part 2: Manufacturer's guidelines, IEC / TR 62778:2012 photobiosafety of light sources and lamps, blue light injury assessment and application, and GB / T 20145:2006 photobiosafety of lamps and lamp systems were adopted, Carry out risk monitoring on the blue light injury project of smart phone built-in LED flashlight.

After inspection, the blue light damage of built-in LED flashlights in 19 batches of products is class 1 hazard (low hazard), that is, under normal exposure conditions, the lamp has no light biological hazard. Based on the risk monitoring, Shanghai Municipal Bureau of quality and Technical Supervision issued a quality and safety warning to the whole society: mobile phone manufacturers should pay attention to the quality and safety of LED products in mobile phones and reasonably control the color temperature and brightness of LED