Shanghai introduced LED display brightness mandatory local standards

Shanghai Municipal Quality Supervision Bureau officially issued the mandatory local standards in Shanghai "public places LED (light-emitting diode) display maximum visual brightness limits and measurement methods" (DB31/708-2013). Standards will be implemented since September 1, 2013.

The standard for outdoor and indoor LED display, divided according to the using area, the area of the display screen and the screen surrounding environmental illumination, the provisions of the value requirements and methods of measurement of the corresponding limit, to fill the gaps at home and in the "light pollution standards" fields, has certain guiding significance to the production, installation and operation of the LED screen unit.

The implementation of standards, which will provide scientific basis for the Shanghai area public places LED display installation and debugging, and excessive production of "light pollution" of the LED display limit in the operation to provide technical support, in order to change the present situation of many LED display operation unit blind pursuit of "smart" effect, to create a more comfortable living environment for the public.

The standard by the Shanghai Municipal Quality Inspection Institute, Shanghai information system quality and Technology Association, Shanghai city landscape affairs center and other relevant units responsible for drafting.