Outdoor LED display
: the area is generally tens of square meters to hundreds of square meters or even larger, high brightness, large viewing angle, can work in the sun, with certain wind, rain, and waterproof functions. Mainly used in outdoor advertising, stations, squares, shopping malls, etc. Outdoor LED displays usually appear in the form of outdoor media. Outdoor media refers to the media for advertising information set up on the roofs of main buildings and in front of commercial areas, roadsides and other outdoor venues. The main forms include road LED displays, LED electronic displays, LED full-color screens, and large LED displays. Screens, balloons, airships, carriages, large inflatable models, etc. Outdoor LED electronic screen media is the development trend of the advertising industry in the 21st century. It is an indoor and outdoor advertising display device with audio and video functions. It is an internationally leading high-tech product. The appearance of this type of equipment is novel and unique, and its area can be adjusted at will. It can not only play audio and video advertising programs, but also can be equipped with fixed light box advertising spaces on all sides. At present, local governments encourage the use of outdoor touch display screens and gradually cancel canvas advertisements and light box advertisements. Approval. Outdoor LED screen is an ideal substitute for canvas advertising and light box advertising. The LED electronic screen media is divided into graphic display media and video display media, both of which are composed of LED matrix blocks. The graphic and text display media can display Chinese characters, English text and graphics in synchronization with the computer; the video display media is controlled by a microcomputer, and the graphics, text and images are both displayed. Various information can be displayed in real-time, synchronized and clear information dissemination. One-dimensional, three-dimensional animation, video, TV, VCD programs and live broadcasts. The LED electronic screen media display pictures with bright colors and strong three-dimensional effect, static like oil paintings, and moving like movies. They are widely used in finance, taxation, industry and commerce, post and telecommunications, sports, advertising, factories and mining enterprises, transportation, education systems, stations, docks, and airports. , Shopping malls, hospitals, hotels, banks, securities markets, construction markets, auction houses, industrial enterprise management and other public places. With the continuous development of the urban construction process, outdoor LED display screens are being used more and more as a new media advertising carrier. Outdoor LED displays can indeed bring a certain improvement to the image of the city, and the forms of advertising are also flexible. However, there are still some matters needing attention in the use of outdoor LED displays: structural design Outdoor LED displays generally have a large area, so they are still very heavy. For the LED display installed outdoors, the structure design should be paid attention to on the front page. The installation structure should take into account the main factors such as wind resistance, earthquake resistance, and load-bearing; secondly, the shape, structure, and exterior decoration design of the screen should be coordinated with the attached building or environment; and moreover, consider local environmental factors, such as Air humidity, air salinity content (coastal cities), etc. With the popularization of LED display screens, light pollution has brought up the concept of light pollution. So is the LED display considered light pollution? The international definition of light pollution is usually divided into three categories: white light pollution, artificial daylight pollution and color light pollution. At present, my country only has relevant regulations on the glass curtain wall in the pollution of white light, and there are no relevant regulations on the artificial daylight and color light pollution. But considering that color light pollution does cause people to feel uncomfortable, it should belong to light pollution. When designing the display screen, the problem of preventing and controlling the light pollution of the display screen has been considered. According to the reasons, corresponding solutions can be adopted. 1. Reasonably plan the area and installation position of the display screen. According to the viewing distance and viewing angle, the surrounding environment, and the requirements of the display content, plan the display area and location reasonably. Instead of blindly pursuing a large area and a prominent location. 2. Selection and design of content to be played. Large-scale giant display screens are public media, including public welfare, advertising, and instruction. When we choose the content to be broadcast, we must reach an agreement with the public's requirements to avoid the psychology of refusal to watch. 3. Multi-level gray correction technology improves color softness. LED display products use more gray scales to make the color look softer and the transition is natural. 4. The brightness adjustment system can be automatically adjusted by the system. The brightness of the environment at different times and locations varies greatly. If the display brightness is too much than the environment, it will cause people's eyes to be uncomfortable, especially the brightness difference between day and night Relatively large, causing light pollution, our automatic brightness adjustment system can automatically convert the broadcast brightness suitable for the environment to avoid light pollution.
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