English: 中文版 ∷  英文版

Product Maintenance

LED screen is too bright, "ghosts" shake people's eyes and crash.

Qilu Evening News, Tai'an city LED outdoor billboards more and more, super high LED billboard brightness interferes with the driver's line of sight, easy to cause traffic accidents, but also disturbs the public to rest. Although the three departments of environmental protection, outdoor advertising and city management have jurisdiction, there are no specific departments to manage the brightness of billboards, and there is no reference to the standards. Outdoor LED has become a vacuum zone.

Tai'an street, LED big screen billboards under the irradiation of "black under the lights".

LED lights flash on top of electric cars

On the 9 day at 9 o'clock in the evening, Mr. Li, who lives in Tai'an seven Li, drove past the East Road of Wang Yue. When crossing the intersection, the brightness of the big screen LED billboard displayed on the west side suddenly increased, and Mr. Li was white and covered for two or three seconds.

Mr. Li said that when he was back to the center of the intersection, an electric car suddenly appeared in front of the vehicle. "Subconsciously hit the brakes, or bump into it." Mr. Li said that the people on the electric car fell to the ground, but fortunately the speed was not fast enough and there was no injury. After making an apology, Mr. Li compensated the owner of the electric vehicle for 50 yuan. "You can only confess your bad luck when you encounter this matter.

Taxi driver Zhao master felt very much about LED billboard "too bright". When driving on the night shift, they are often dazzled by the LED billboards on the roadside and react slowly in a few seconds. Master Zhao said that it was not easy to deal with it and could only slow down the speed as much as possible.

"The flashing lights at night make Tai'an look like a big city, but it's too uncomfortable to see too much." On the evening of 22 nights, Ms. Li, who was shopping at the railway station in Ginza, said. Mr. Wang, who lives in the city square of Ginza, also complained about the LED lights flashing every night. "Roadside LED lights are shining into the bedroom and living room. Sometimes it is still common until midnight is waking up and being awakened by light."

Businesses buy LED only for the brightest.

On the evening of 10, reporters visited many prosperous sections of Dongyue street, Longtan Road and so on, not only for large shopping malls, but also for LED billboards. Less than 7 o'clock in the evening, the LED billboards of many merchants in the vicinity of the railway station were already lit up, and the top of the doorframe was standing on the side of the doorway. The owner of the hotel, Mr. Liu said, originally used neon lights, but the LED lights used in the new business next door appeared at the same time to turn on the lights. It seemed that their billboards were very dark. "Also installed this kind of lamp, beautiful and high brightness, at least not worse than the surrounding merchants, otherwise consumers can not see my house signs."

The person in charge of a billboard shop on the South Outer Ring Road said that some businessmen should have higher brightness in making LED billboards. "Billboards are attractive, and businesses do not pay attention to others. They can attract people, of course, the brighter the better."

An outdoor advertising producer, Mr. Li, said that the general LED billboard brightness measurement unit is cd/, which indicates the intensity of the reflected light of the eye from a certain direction. However, it is difficult to measure. It is usually classified into indoor brightness, semi indoor luminance and outdoor brightness according to the environmental luminance index. Each standard is about 800cd/, 1500cd/, or 4000 to 8000cd/. "The brightness of LED can be adjusted, the price is almost the same, and the customer must be bright."

Billboards should also be closed.

The reporter learned from the "technical standard for outdoor advertisement installation in Tai'an urban area" that all kinds of billboards, such as buildings and outdoor space, should follow the principles of designing, installing, maintaining public interests, and ensuring residents' lives are not affected, but the new LED billboard brightness problem is not available. Body technology standard guidance.

Tai'an outdoor advertising management office staff said that when examining and approving, the installation height and the position of billboards should be handled according to the principle of convenience. Installation units should set up closing time, usually around 21 in winter and close at 22:30 in summer. But in the examination and approval of LED outdoor billboards, there has not been a separate set of billboard brightness. Basically, the installation units are self setting.

For the problem of light pollution caused by outdoor LED billboards, Taishan District Environmental Protection Bureau staff said, there are no environmental laws and regulations specifically stipulate the brightness of LED, light pollution is a new problem, and the definition of light pollution is also very vague.

Tai'an City Administration Law Enforcement Bureau staff said that the city management law enforcement mainly for no formalities outdoor billboards management, does not involve the issue of LED billboards brightness.

Reporters learned that in January of this year, the Ningbo local standard "outdoor advertising facilities specification" was officially released. According to the location and size of outdoor advertisements, the luminance standards were formulated, such as the urban road and sidewalk outdoor advertising facilities with a screen area of less than 2 square meters, with a brightness range of 200-300cd/. Beijing and other places have also drawn "hard bars" for the brightness of outdoor billboards.

For more LED related information, please click on China LED net or pay attention to WeChat public account (cnledw2013).

Scan the qr codeclose
the qr code