Adelaida McGarvie

Many people may know that the human safety voltage is 36V, but many people do not necessarily know that the static electricity in the human body can usually reach several thousand volts or even tens of thousands of volts. Although electrostatic discharge (ESD) will not cause life-threatening to the human body, it can easily cause fatal damage to semiconductor products such as LED displays. This is why when visiting many LED display workshops, they are required to wear protective equipment such as shoe covers, static rings, and static clothing. 1. The hazards of electrostatic discharge (ESD) ESD (electrostatic discharge) often occurs in any link in the process of LED display production, transportation, installation, etc. Due to irregular operation, the product is broken down by static electricity, causing sudden and potential damage to LED display products. 1. Sudden damage reduces product yield and increases enterprise costs Sudden damage refers to: the voltage between two or more pins of LED product components exceeds the breakdown strength of the component medium, resulting in serious damage to components and loss of function. This kind of damage can usually be found in the quality inspection during the production process, and will not directly affect the customer's use, but if the manufacturer is subject to static electricity for a long time, it will increase the production cost. 2. Potential damage affects the service life of the product and causes losses to customers Potential damage accounts for a higher proportion of electrostatic discharge (ESD) damage, reaching more than 90%, and because the pulse energy of static electricity causes local heating of the lamp tube or IC, the failure of the breakdown lamp tube and IC occurs during detection cannot be found in. However, the product becomes unstable, and the phenomenon of dead lights appears one after another in the subsequent use of customers, which greatly affects the service life of the LED display and causes losses to customers. Second, the prevention of electrostatic discharge (ESD) To minimize the harm of static electricity to LED displays, manufacturers, distributors and customers need to strictly implement the ESD20.20 standard in the process of production, transportation and use. In production, the static electricity is directly discharged to the ground through the wire connection, which is the most direct and effective anti-static measure. 1. Static electricity prevention at the production end Conduct electrostatic knowledge and related technology training for personnel using electrostatic sensitive circuits. During the production process, workers are required to wear grounding electrostatic wrist straps. Especially in the cutting, plug-in, debugging and post-welding processes, and do a good job of monitoring, the quality personnel must conduct an electrostatic test on the wristband at least every two hours, and make a test record. Anti-static bracelet When soldering, the electric soldering iron should use anti-static low-voltage constant temperature soldering iron as much as possible, and maintain good grounding. During the assembly process, try to use a low-voltage DC electric screwdriver (commonly known as an electric batch) with a grounding wire. Ensure the effective grounding of production pulling tables, glue filling tables, aging racks, etc. The production environment is required to be grounded with copper wires, such as floors, walls, and ceilings used in some occasions, and anti-static materials should be used. During daily operation, LED display products should always be stored in anti-static bags or containers. 2. Electrostatic prevention at the transport end When transporting, the transport vehicle shall be kept grounded, and the box or other equipment shall have conductive wheels or drag links. When touching LED products, keep the correct handling method, and do not directly touch the PCB board and the electronic components on it. 3. Static electricity prevention on the client side Customers and engineering companies also need to strictly follow the anti-static operation when installing the screen, and do not directly touch the core electronic components of the product without protective measures. When installing the steel structure of the best rear projection screen, do an effective grounding to guide the static electricity of the screen into the ground. 3. How to prevent static electricity 1. The factory divides the anti-static work area 2. Human body electrostatic discharge instrument 3. Electrostatic tester 4. Anti-static clothing 5. Anti-static gloves 6. Anti-static slippers

With the continuous development of science and technology, LED display screens have been widely used in life, but not everything is as people wish, LED display screens often have protection level problems during use, what performance does LED outdoor screens have? , in order to withstand the sun's exposure? Many customers will worry about this problem, and the LED display is of course good. But spending so much money to install an LED display outdoors can't withstand the sun and rain, it feels very worthless. That's right, it's reasonable to have such concerns. Outdoor led display screens generally have a large area, so they are still very heavy. For the led display installed outdoors, the first thing to pay attention to is the structural design. The installation structure should take into account: wind resistance, earthquake resistance, bearing and other main factors; secondly, the shape, structure, and exterior decoration design of the screen body should be coordinated with the attached building or environment; thirdly, local environmental factors, such as Air humidity, air salinity content (seaside cities) and so on. But despite this, the 50,000-hour durability predicted by early outdoor LED display manufacturers has not been realized. First of all, in southern cities like Shenzhen, there is continuous high temperature outdoors and exposure to ultraviolet rays. The led display itself will generate a lot of heat during operation, coupled with the high temperature outdoors and sun exposure. This situation has given a 85% discount to the durability of the LED display. This has undoubtedly become a major problem for outdoor led screen panels outdoor displays to be recognized by the market. Only when there are problems can there be new technologies. If the LED display can withstand the sun exposure, it must use environmentally friendly materials. After a special process, the LED display module can be waterproof, dustproof, and UV-resistant without glue filling. When customers choose display products, they need to clarify their own needs for LED displays, such as the application site of the product, environmental analysis, expectations for the product, and comprehensive analysis of various reasons in order to choose the right product. When the led display screen is working, especially after being exposed to the sun, the heat emitted by the screen body is relatively high. In order to ensure that the entire display system operates in a stable state, the research on the display cooling system has a set of strong convection heat dissipation system. In addition, the heat conduction effect of aluminum is used to make the heat dissipation system more stable and reliable.

In practical applications, led display screens will inevitably encounter various failures, especially the black screen of led display screens is something that makes users crazy. Let’s look at two embarrassing stories about black screens of led display screens. Sochi Winter Olympics opening ceremony 'black screen accident' At the opening ceremony of the 2014 Sochi Winter Olympics in Russia, when the audience entered the countdown, the countdown card suddenly went black. In addition, at the beginning of the show, there were also problems when displaying the five Olympic rings on the big screen, resulting in only the "four rings" remaining in the final shape of the five rings, which caused great embarrassment to the organizers. 2015 Beijing Film Festival "Black Screen Accident" In the 5th Beijing International Film Festival in 2015, Dapeng's new work "Pancake Man" won the most popular IP award on the Internet. However, when Dapeng delivered his acceptance speech, the LED display at the back was suddenly partially blacked out, which caused some materials prepared by the program group to be unable to be fully displayed. Not all of the group photos can be displayed, which is quite disappointing. The black screen of the LED display has a greater impact, and may even cause irreparable live broadcast accidents, especially for live broadcasts of large-scale events such as the Olympics and film festivals. As a result, end customers, lessors and LED display companies will all suffer a lot of losses, especially for lessors and LED display companies, which may even affect the loss of important customers and affect future cooperation. Therefore, the problem of the black screen of the led display is a problem that needs to be paid attention to. So, what are the factors that cause the black screen failure of the LED display? It is understood that 80% of the failures of LED displays are due to the following factors: AC power distribution harnesses, terminals, connectors, signal and low-voltage DC connection harnesses and connectors, switching power supply modules, fans, and plastic shell components. If these interfaces, cables, power supply, and bottom case are not selected properly, it will cause the entire or partial black screen of the LED display, blurred screen, mosaic, and no signal. 80% of the remaining faults are caused by the following reasons: solder joints, capacitors, terminals, LED lights on the PCB, water leakage and dust accumulation caused by insufficient protection level of the cabinet, corrosion of external screw hardware and hardware, and control boards. These reasons will cause the LED display to have blind lights or high brightness, one or more lines are not bright, lack of color, etc. If there is a problem with the control card or software, the image display will be abnormal. In the process of using the control system, occasionally the LED display screen will appear black. The same phenomenon may be caused by various reasons, and even the process of the display screen turning black may vary from operation to operation or from environment to environment. For example, it may be black as soon as it is powered on, or it may turn black during loading, or it may turn black after sending, etc. How to solve it? 1. Please make sure that all hardware including the control system has been powered on correctly. 2. Check and reconfirm whether the serial cable used to connect the controller is loose or falls off. (If it turns black during the loading process, it is likely to be caused by this reason, that is, the communication line is interrupted due to looseness during the communication process, so the screen is black. Do not think that the line cannot be loose if the display body does not move. Please Check it out yourself, it's important if you want a quick fix.) 3. Check and confirm whether the led display screen and the HUB distribution board connected to the main control card are tightly connected and inserted reversely. 4. Please check and confirm whether the 50-core cable connected between the control card and the HUB distribution board is loose or reversed. 5. If the interface definition of your display does not match the provided HUB board, a black screen will appear. Please recheck your jumper for looseness, open circuit or indoor video wall short circuit. If you think that the ABCD and other signals have been matched one by one, please check whether the OE signal is connected correctly.

Target Audience: Start by identifying your target audience and understanding their demographics, interests, and behavior patterns. Choose a location where your target audience is likely to spend time, whether it's a high-traffic street, shopping mall, transportation hub, or commercial district. Visibility: Consider the visibility of the location from different vantage points, including pedestrian traffic, vehicular traffic, and nearby buildings. Look for locations with unobstructed views and good sightlines to maximize the visibility of your LED advertising screen. Foot Traffic: Evaluate the volume and flow of foot traffic in the area to gauge the potential reach of your LED advertising screen. High-traffic areas with a steady stream of pedestrians offer more opportunities for exposure and engagement. Environmental Factors: Take into account environmental factors such as lighting conditions, weather exposure, and surrounding architecture. Choose a location where your 31.25mm Soft LED Mesh Curtain advertising screen will be clearly visible day and night, rain or shine, without being overshadowed by competing visual elements. Regulatory Considerations: Check local regulations and zoning ordinances to ensure compliance with any restrictions or requirements governing the installation of outdoor advertising displays. Obtain any necessary permits or approvals before proceeding with installation to avoid potential legal issues. Competitive Landscape: Assess the competitive landscape and identify any existing outdoor advertising displays in the vicinity. Choose a location that offers strategic advantages over competing displays, such as better visibility, higher foot traffic, or unique positioning. Brand Alignment: Ensure that the location aligns with your brand identity, values, and messaging strategy. Choose a location that enhances brand visibility and reinforces brand positioning, whether it's a premium shopping destination, cultural hotspot, or entertainment district. By carefully considering these factors and conducting thorough research, you can identify the perfect location for your LED advertising screen and maximize its impact on your target audience. Whether you're aiming to drive foot traffic, increase brand awareness, or promote specific products or services, choosing the right location is key to achieving your advertising objectives.

Target Audience: Start by identifying your target audience and understanding their demographics, interests, and behavior patterns. Choose a location where your target audience is likely to spend time, whether it's a high-traffic street, shopping mall, transportation hub, or commercial district. Visibility: Consider the visibility of the location from different vantage points, including pedestrian traffic, vehicular traffic, and nearby buildings. Look for locations with unobstructed views and good sightlines to maximize the visibility of your LED advertising screen. Foot Traffic: Evaluate the volume and flow of foot traffic in the area to gauge the potential reach of your LED advertising screen. High-traffic areas with a steady stream of pedestrians offer more opportunities for exposure and engagement. Environmental Factors: Take into account environmental factors such as lighting conditions, weather exposure, and surrounding architecture. Choose a location where your 31.25mm Soft LED Mesh Curtain advertising screen will be clearly visible day and night, rain or shine, without being overshadowed by competing visual elements. Regulatory Considerations: Check local regulations and zoning ordinances to ensure compliance with any restrictions or requirements governing the installation of outdoor advertising displays. Obtain any necessary permits or approvals before proceeding with installation to avoid potential legal issues. Competitive Landscape: Assess the competitive landscape and identify any existing outdoor advertising displays in the vicinity. Choose a location that offers strategic advantages over competing displays, such as better visibility, higher foot traffic, or unique positioning. Brand Alignment: Ensure that the location aligns with your brand identity, values, and messaging strategy. Choose a location that enhances brand visibility and reinforces brand positioning, whether it's a premium shopping destination, cultural hotspot, or entertainment district. By carefully considering these factors and conducting thorough research, you can identify the perfect location for your LED advertising screen and maximize its impact on your target audience. Whether you're aiming to drive foot traffic, increase brand awareness, or promote specific products or services, choosing the right location is key to achieving your advertising objectives.

It has attracted much attention in recent years, and its popularity in the market seems to be no less than that of small pitches. The realization principle of the LED transparent display is the micro-innovation of the light bar screen. It has made targeted improvements to the patch manufacturing process, lamp bead packaging, and control system. In addition, the hollow design structure reduces the impact of structural components The blocking of the line of sight maximizes the perspective effect. LED transparent display is widely favored by the market due to its transparent, light and thin, easy to install, energy saving and environmental protection, and has been more and more widely used in my country's urban construction. Even in the United States, where advertising monitoring is very strict, it has been greeted by the government and businesses with smiles, and not long ago, the American "displaybank" research agency made a bold prediction on LED transparent displays: "By 2025, transparent display The market output value is about 87.2 billion U.S. dollars." However, under such a bright prospect, what problems still need to be solved urgently? First of all, a major feature of transparent LED display is transparency, and as a branch of LED display, the smaller the dot pitch, the higher the definition and the better the display effect. However, in order to achieve a very good display effect, it is necessary to develop in the direction of smaller and smaller spacing, which must also be at the cost of sacrificing a certain transparency. Therefore, the transparency and dot spacing of LED transparent displays are a dilemma. The choice is also a big problem that it needs to solve at present. Secondly, there are more and more customized models of LED display screens on the market at present, and the same is true for LED transparent display screens. Although customization can better meet customer requirements, it can be more perfectly combined with buildings. However, this is also the problem faced by many LED transparent screen manufacturers. For example, when the reporter interviewed Feng Tianqi, director of the terminal business department of Shenzhen Yipin Optoelectronics Co., Ltd., he also said that the current big problem with LED transparent screens is the problem of customization. The product production cycle is relatively long, including the research and development link, and its production to use is not as fast as the current mature products, and large-scale production is more difficult. In addition, it is understood that the side-emitting LED lamp beads used in transparent LED displays on the market are not very versatile, and their consistency and stability are poor, resulting in high production costs and troublesome after-sales. Therefore, the after-sales service of led screen rental transparent screens, the convenience of product maintenance and the reliability of products are also problems that need to be solved at present. Although the LED transparent display has entered the market not long ago, it has opened up a new market field, such as urban landmark buildings, municipal buildings, automobile 4S stores, airports, etc., can be widely used, and it also caters to an emerging market demand. . It is understood that the total area of China's modern glass curtain walls has exceeded 70 million square meters, which has a huge potential market and can develop into a new blue ocean field in the LED display industry. Therefore, solving the above problems plays an important role in tapping this huge market. In addition, the current LED transparent display is only a semi-outdoor display product for indoor installation and outdoor display. To make it completely suitable for outdoor installation and application, and to open up a wider application market, what problems need to be solved? ? We discuss together.