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Last week, the reporter visited the “Seven Districts Linkage†and walked into the community to pay attention to the light pollution brought by the outdoor LE D display. According to statistics provided by relevant departments, there are currently about 125 outdoor LE D displays in the city of more than 10 square meters, mainly concentrated in Futian, Nanshan, Luohu and Longhua New Districts. Due to the lack of early understanding of outdoor LE D displays, Lack of planning and coordination, inadequate regulation, environmental landscape, and lack of standards for light pollution control.
Visiting the Huaqiang North area, billboards are more dazzling than one
The public Xiaolin has become accustomed to the normal state of getting off work after 7 pm. When the various LE D screens outside the window illuminate, she realizes the beginning of nightlife. She has worked in the Huaqiangbei area for many years and she has witnessed changes in billboards. “In recent years, scrolling billboards have become more and more popular, and they often change one in a few dozen seconds. Moreover, in order to attract attention, some merchants switch to larger and larger screens, as well as bright white lights, and eyes are affected. No.†Xiaolin said, especially in some electrical stores, because of the fierce competition, billboards are more dazzling than one.
Xiaolin said that she understands that merchants are making new changes in order to compete for customers, but should consider the acceptance of residents who live, work and have limited vision. Another citizen, Ms. He, said, “At night, I feel that Huaqiang North has a high temperature and the air is very poor. Of course, it is not simply the influence of billboards. There are also some glass walls on the building that reflect light.â€
Also with such troubles is Mr. Chen. He lives in a residential area outside the Huaqiangbei business district. I thought it was far away and would not be affected by the bustling night scene. Unexpectedly, the LED advertising screens hanging on some high-rise buildings are very tall, and they are very late every day. When he is lying in bed and ready to sleep, he can feel the change of the flashing lights outside.
“I didn’t think too much at first, but I felt that I was upset by the change of light. Later I realized that this is not the legendary 'light pollution'?†On this issue, Mr. Chen even consulted a doctor, but the doctor The answer was vague and only told him that there was this possibility, but there was not enough evidence to prove that he was affected by light pollution.
Ms. He lived in the vicinity of Huaqiangbei Business Circle for many years. She remembers that when she came home from work, a wall facing the intersection became a high-gloss advertising wall. When driving, the line of sight was stimulated by the light of the advertising screen. Suddenly white, almost did not see the traffic lights caused by the accident. This incident has left her with a lingering fear, and since then, driving through this intersection will pay more attention.
Songbai Road Guangming Section
Leaning on the LE D screen while driving
Light pollution affecting residents night's rest, but also affect traffic safety. August 26 at 11 am, the Southern Reporter in White Pine Road, Guangming new section interviewed found Heshuikou, the stone, Tianliao other community sections of light pollution more significant, mainly in medium-sized recreation center, KTV, hotels and other places , embedded in the exterior walls of the electronic screen constantly changing picture and color, along with all kinds of flashing neon lights, dazzling.
White Pine Road Tianliao Avenue intersection, Tin Wan Road intersection of civilization, White Pine Road intersection scenery, etc., exterior LED signs even 3-5 stories high. On the side of the Guangming Avenue overpass at Songbai Road, the golden signboard of a foot bath health city is very eye-catching, and a huge LE D electronic screen continuously plays dynamic video. The screen is installed on the outer walls of the 4th and 5th floors. It is about 6 meters high and 12 meters long. The brightness is high. The nearby ground and overpass are illuminated.
Driver Chen said that driving at night to see high-brightness dynamic electronic flashing neon lights, attention will inevitably be dispersed, and the eyes will be uncomfortable, so it is more necessary to concentrate on driving to avoid traffic accidents.
Baoan Xixiang
Black screen residents are not disturbed at 24 o'clock every night
In Baoan Xixiang, the two communities of Jingang Huating and China Merchants Green have been affected by light pollution for a long time. Located in the commercial building near Xixiang Passenger Transport Station next to Bao'an Avenue, there is a large LE D billboard on the top of the building, facing the Jingang Community of Jingang. The two residential buildings C and D are greatly affected. Residents reported that the LE D screen will usually be turned off around 24 o'clock in the evening, and it will flash constantly, which is very disturbing to the people.
Merchants Green is also plagued by light pollution. 6, 7 residential buildings opposite Yantian Co., Ltd. building also has a huge LED screen, closed at around 24 o'clock every night. Residents complained in July that the LED screen was recently used again after a brief suspension.
Xixiang City Management Office said that according to the public complaints and on-site investigation, it is determined that there is a disturbance phenomenon, and the large LE D screen used by the relevant units will be rectified by reducing the brightness, reducing the stroboscopic light, and shortening the opening time.
Nanshan Changxing Road
Residents’ multiple complaints are finally effective
Changxing Square is located at the intersection of Changxing Road and Taoyuan Road in Nanshan District. Since the Tianhong Shopping Center has been stationed in the commercial building, it has been very popular. Since the installation of an LED display on the outer wall of the commercial building, because the brightness is too glaring, and often open to the middle of the night, it not only affects the rest of the residents nearby, but also interferes with the sight of the passing vehicle driver. Southern reporters saw that the billboards only played one or two ads, and more time was to attract advertisers to advertise.
The person in charge of the Rainbow Shopping Mall introduced that the LED screen is owned by the commercial owner Shenzhen Xinchangxing Industrial Development Co., Ltd. “We also persuaded them not to install this LED display, but they did not listen.â€
The person in charge of managing this LE D display accepted an interview with Nandu. He said that since receiving the complaint, the LED display has been greatly adjusted. "We adjusted its brightness a few months ago and also opened it. The time has been shortened, generally starting around 10 pm every day. No new complaints have been received. The manager also said that the company had invested millions of dollars to do this LE D, and now no one is willing to spend money to do it. Advertising, lost. Originally, I wanted to make money through the LED screen. Now it seems that it is counterproductive, but the company cannot remove the LED display.
harm
Ophthalmologist: Light pollution affects vision and sleep
Xiao Yueying, the chief physician of an eye hospital in Shenzhen, said that many of the buildings now use glass curtain walls, which will reflect the glare of the sun, and the neon lights and high-brightness advertising screens at night will cause light pollution. If people stay in a light-polluted environment for a long time, the retina and iris will be damaged to varying degrees, their vision will drop, the incidence of cataract will increase, and sometimes symptoms such as dizziness or depression will occur. When the brightness of the night is too strong, it will affect the residents' sleep and disturb the normal biological clock of the human body, resulting in inefficient work during the day. Xiao Yueying also said that in recent years, the incidence of macular degeneration is particularly high, causing patients to see things deformed, in addition to the influence of diet, light pollution is also an important factor. The flashing light source will cause bad stimulation to the baby and affect the baby's vision development.
Xiao Yueying suggested that the public should pay attention to avoid working and living in a light polluted environment for a long time. If necessary, take some personal protective measures, such as wearing protective glasses. If the light around the cell is too strong, double-layer curtains or blinds can be installed at home, and the light intensity can be adjusted accordingly to reduce the impact of light pollution on the human body.
crux
Regulation is slower than reality
In response to the problem of light pollution on LED displays, He Tao, deputy director of the City Management Office of Shenzhen Urban Management Bureau, replied that LED advertising screens belong to the emerging advertising carriers in recent years. In the earlier guidelines for outdoor advertising, there were no relevant regulations. In addition, there are currently no laws and regulations on light pollution in China, which has caused problems in approval and supervision to a certain extent.
There are five problems with LED screen settings.
Lack of planning and coordination, inadequate regulation, environmental landscape, lack of standards for light pollution control, and there are many hidden traffic hazards near road intersections. This is the main problem in the city's LE D display settings. He Tao introduced that before this year, the devolution of powers and the approval of the LE D screen at the urban level, and even some streets outside the original special zone have the power of examination and approval. For example, the Baoan District Urban Management Bureau is mainly responsible for the LED screen setting of the key roads within its jurisdiction, and the approval of the remaining areas is the responsibility of the subordinate streets. Baoan District Urban Management Bureau said that LED is a form of advertising that has only appeared in recent years. Therefore, in the absence of uniform standards, the form is also diverse. For example, in terms of age, some approval periods are one year, and some are two years. After the introduction of the principle documents in the city last year, the unified approval period was three years. It is precisely because there is no unified approval, resulting in difficult management, so the city management bureau decided to unify planning.
For the situation that the setting of LE D display is not standardized, He Tao said that in recent years, Guangdong Province has launched the LE D support policy, and the LE D industry is developing more and more rapidly. The original outdoor advertising setting guide is not a lot of expression for LE D. Therefore, the setting is more random, the regularity is insufficient, and the setting is disordered. The regulations are slower than the actual ones. This year's new "Shenzhen Outdoor Advertising Management Measures" has strengthened the requirements and expressions for LED display settings.
Accurate detection of data is difficult
According to the survey conducted by the Urban Management Bureau in September, the outdoor LE D display setting plan shows that there are 78 large outdoor LE D displays in Futian, Luohu, Nanshan, Yantian and Shenzhen North Station areas, only 59 have been approved. And 19 are unapproved. He Tao introduced that the unapproved LED screens include three categories, one is the city's rectification of outdoor advertising during the Universiade, and some districts adopt the method of dismantling wall advertisements to replace LE D advertisements. This part of LE D display is in the process of replenishing materials. The second category is the LE D screen in the control settings area, which is generally no longer approved for approval, and will take the natural phase-out method to eliminate the LE D screen in the area. The LE D screen has a life span of 5 to 6 years. The third category is the LE D screen that has not been approved by the functional department and will be completely removed in the citywide census. The city's data needs to be available after the census is over.
"Advertising is dynamic. There may be problems when citizens complain, and there is no problem with instrument testing. This will bring law enforcement difficulties." He Tao said that the LED screens in the original SAR are currently supervised by the Municipal Urban Management Bureau, and the Municipal Urban Management Bureau received After the complaint, the city lighting environmental management center staff will be used to test the instrument and communicate with the owner according to the results. He Tao said that the weather such as smog and rain also affects the detection results. Light will cause refracting through small water droplets, which will cause glare. Then the light emitted by the LE D advertising screen is different from the sensory sense. Therefore, multiple and long-term testing is required to obtain accurate data.
There is insufficient manpower in supervision
Another difficulty in regulation is the staffing arrangement. At present, many streets are complaining. There are more than ten people in each street management department. The pressure and burden are large, the energy is scattered, and the LED supervision brings personnel pressure. The Municipal Urban Management Bureau also reported the situation to the municipal government. "If there is a good regulation and there are rules, but no one is implemented, the effect will be discounted." He Tao stressed that the coordination of approval and supervision will be resolved in the formulation of the city's LED planning program.
Countermeasures
New rules limit screen brightness and display time
The "Shenzhen Outdoor Advertising Management Measures" (hereinafter referred to as "Measures"), which began to be implemented on September 1, will bring management of light pollution to LED advertising screens to a certain extent. The Shenzhen Urban Management Bureau replied that light pollution is available at home and abroad, and there are no specific regulations in China. Shenzhen has made some progress by enacting new advertising management methods and using the local regulations to carry out legislative management of LED screens.
In the "Measures", the billboards with an area of ​​more than 10 square meters will be examined and approved by the Municipal Urban Management Bureau, and a new "Shenzhen Outdoor Advertising Setup Guidelines" will be issued. The guidelines will be released in the recent government gazette, and will be released by Shenzhen Urban Management. The bureau, the Municipal Bureau of Soil and Resources, and the Municipal Communications Commission jointly formulated. In addition, in September last year, Shenzhen City has introduced the LE D screen plan for Futian, Luohu, Nanshan, Yantian and Shenzhen North Station. Currently, the planning plan outside the original special zone is being launched. It is expected that the city's planning will be introduced next year. Once the plan is issued, it will be strictly implemented according to the plan. The plan will divide the city into three areas: prohibited, moderate, and controlled. The plan is for a five-year period.
LE D screen needs to be equipped with brightness adjustment device
The new management regulations stipulate that the setting of electronic display advertisements should meet the requirements of urban lighting management and electronic display brightness control standards, install brightness adjustment devices, and scientifically control brightness and use time. In case of violation of this clause, if the brightness adjustment device is not installed or the brightness and time of use are not controlled according to the approval documents, it shall be ordered to correct within a time limit; if it is not corrected within the time limit, a fine of 10,000 yuan shall be imposed. In addition, the act of providing false materials to defraud the approval documents, not setting or publishing outdoor advertisements according to the requirements of the regulations, and refusing to perform the obligation to publish public service advertisements will be included in the database of bad behavior records.
Baoan District Urban Management Bureau said that there was no corresponding laws and regulations and specific setting requirements. Therefore, when the LED screen was approved, it was referred to the general wall advertisement setting. After receiving the complaint, it was adjusted according to the senses. Now, a new management method has been introduced. There is data to follow. However, it is also necessary to adjust the actual situation of the residents. For example, in public places and on the roadside, it is necessary to exchange opinions with the traffic police, and check whether it affects driving safety according to the brightness and strobe. Since the approval of the outdoor LED screen was handed over, a LE D screen was approved in Baoan District and set according to the new standard. Since the screen is not yet in operation, it is not known whether the new standard will meet the needs of the public.
“The standard of 500 candela (emission intensity unit) is appropriate. It should be explored after practice and feedback.†He Tao said that there is no unified standard in the country, and the local can only explore it by itself. He Tao introduced that different planning areas have different values, ranging from 100 candelas to 500 candelas. There is some progress in data setting, but there may be some gap with the public expectations, because some people think that it is dark, some people I think it is bright. In addition, the specific data will be adjusted in the city's planning next year.
Control the number of outdoor screen growth
He Tao introduced that at present, the approval authority for billboards of more than 10 square meters has been handed over, and the city's LE D plan is being formulated. Once it is introduced, it will be strictly enforced. In the 2011 Universiade, the city carried out environmental upgrading and new requirements for the environmental landscape. The LED screen planning should conform to the overall planning of Shenzhen. The LEDs should be coordinated with the scenery of the street, and should be matched when considering the new establishment.
In the view of many grassroots units, unified planning is more conducive to the development of work and supervision. The staff of the Pingshan New District Urban Management Bureau said that in the bustling commercial districts of the district, merchants definitely want to hang up, and now many companies have proposed the need to build LE D screens. However, the approval authority is responsible for the municipal level, and the district-level unit has no right to accept it. It is hoped that it will be of higher standards and more scientific. If it is not controlled, it will be chaotic. The relevant staff of Longgang District Urban Management Bureau said that the unified planning of the city is more conducive to the cityscape.
According to the LE D special plan at the end of September last year, the outdoor LE D display in the planning area is based on the existing quantity. By 2020, the total number of outdoor LED displays should not exceed 50. Among them, the main area outdoor LED display new The number of additions shall not exceed 40 pieces, and the number of outdoor LED displays on important sections shall not exceed 10 pieces. The plan requires that the annual growth rate of new outdoor LED displays should not exceed 5-7.
The plan also clarifies the relationship between the residential area and the LE D screen. When there is a residential building within 100 meters ahead of the display setting position, and the display screen faces the window of the residential building, the display is prohibited from setting the position; when the display is set If there is a residential building within 150 meters of the front of the location and the display is facing the window of the living building, the display brightness should be appropriately reduced and set as a static display. The plan will be related to the setting plan for the outside of the original special zone that is being initiated and formulated to form the citywide planning plan.
Learn from
Shenzhen North Station: use the regular screen to avoid strong light
Different from the large-scale LED screens along the street, the Shenzhen North Railway Station screen has received almost no feedback from the public or passengers, and can be used for experience. Shenzhen North Railway Station is a large outdoor LED display center outside the original special zone. There are 3 large-scale LED screens with a distance of 28 meters from the ground and an area of ​​120 square meters. There is also an area in the station transfer area. 40 square meters of LED display.
According to the visit of Nandu reporters at the scene, the reason why there is no complaint from residents is that Shenzhen North Railway Station is not adjacent to the residential area, and the North Station, which is surrounded by large open spaces, is still an isolated building. On the passenger side, it is reflected that the LED screen is higher than the ground, and the open distance of more than 330 meters from the East Square of the North Station, so the space dilutes the screen impact.
Zhu Yiyun, deputy director of the Transportation Hub Center of Shenzhen North Station, said that although the North Station facilities use the most advanced technology, the LED screen is installed with a regular screen, which is not a high-definition screen with better display. This is already controlled in the light. In the playing time and content, the time from 8:00 am to 11:30 pm coincides with the station operation time. The content of the broadcast is mainly based on urban videos and broadcast TV programs. Generally speaking, these two contents are less than commercial advertisements in terms of light and sensory stimulation. In the rainy days when the light is weak, in order to avoid the light stimulation and damage of the LED screen, the LED screen is generally selected according to the Hong Kong mode.
However, when asked about the situation of the crowds in the vicinity of the North Station in the future, Zhu Yiyun said that when the time can be considered to reduce the screen brightness to avoid stimulation of the human body. In the general sense, how to avoid LED light pollution, according to the existing experience of the North Station, is to first strictly check the installation settings, the crowded areas try to use ordinary screen instead of high-definition screen. In addition, there should be control in the playback time and content, and the management should circumvent the glare picture on the playback content.
(This article is reproduced on the Internet. The texts and opinions expressed in this article have not been confirmed by this site, nor do they represent the position of Gaogong LED. Readers need to verify the relevant content by themselves.) 
Lanterns, sparkling outdoor LED advertising screen, to remind the public of this bustling city. However, behind the bustling, the public has to endure the light pollution caused by the LE D screen, and there are no complaints, and the law enforcement of the department cannot be relied upon. On September 1, the "Shenzhen Outdoor Advertising Management Measures" was officially implemented. The outdoor LE D display with an area of ​​more than 10 square meters will be examined and approved by the Municipal Urban Management Bureau. The public complaints can be dialed "12319". In addition, the Municipal Urban Management Bureau is also formulating a plan for the outdoor LE D display in the city, and comprehensive planning from the setting area and facility brightness.