LED light pollution since September will be limited to the mandatory local standards issued in Shanghai

July 31st news: according to the morning news reported that the LED display in the rich information, but also accompanied by "light pollution" and "light interference". From September 1st onwards, Shanghai will implement mandatory local standards to be limited.

Shanghai Municipal Quality Supervision Bureau deputy director Shen Weimin introduction, June 17th, the mandatory local standards "in public places of light emitting diode (LED) display the maximum visual brightness limits and methods of measurement" officially released, the local standard for outdoor and indoor LED display, according to the area, the area of the display screen and the screen illumination of the surrounding environment division provides value requirements and methods of measurement of the corresponding limit, to fill the domestic in standard "light pollution" fields, the blank has a certain guiding significance for the LED screen production, installation and use of the operating units.