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@ledscreenparts
Small pitches are becoming more and more popular, but the small-pitch LED display can not achieve the ideal display effect without the auxiliary role of the video processor. Unlike outdoor LED card, small-pitch LEDs are subject to many restrictions in terms of image display.
Lamp beads are the most important components of indoor LED display screens, and they are also the most used core devices, which directly affect the use of LED display screens. Thousands of LED lamp beads are used per square meter of indoor LED display. Take online indoor small-pitch LED display P1.5625 as an example, there are 409600 lamp beads used per square meter. Lamp beads account for the largest proportion of the overall cost of indoor LED displays, ranging from 40% to 70%.
The rapid development of outdoor applications has gradually become the overlord of outdoor advertising, gradually appearing in the streets and alleys, in various forms, dressing up our city, but LED advertising screens also have a life, without reasonable maintenance, will no longer be used. So, what are the factors that determine the life of LE advertising screens? How to prescribe the right medicine is particularly important. Let us take a look at the factors that determine the life of LED advertising screens.
LED lights out of control can not be found in the regular inspection test of LED. Under severe conditions such as high temperature, low temperature, and rapid temperature changes, it is caused by the difference in thermal expansion coefficients of LED chips installation, epoxy resin, brackets, inner leads, die-bonding adhesives, PPA cups and other materials, resulting in different internal stresses. The mechanism that LEDs get out of control due to electrostatic discharge is very complicated. Equipment, tools, utensils, and the human body may carry static electricity and discharge it. This static electricity ranges from hundreds of volts to tens of thousands of volts. The discharge time is at the nanosecond level. . If the blue-green tube is out of control, it is often that the Professional LED industry-PN junction is penetrated by electrostatic discharge. Due to the complicated production process of LED display screens, electrostatic discharge cannot be prevented. Therefore, electrostatic protection must run through the entire production process.
The LED display in use suddenly appears garbled due to signal problems. If it is at a severe opening ceremony, it is irreparable to lose it. How to ensure the reliability and stability of signal transmission has become an issue that engineers have to face. During the transmission of the signal in LED Screen Parts, the signal weakens with increasing distance. The choice of transmission media is particularly important.
Outdoor full-color screens are currently commonly used as direct-in-line products. Why not use surface-mount LED products? Although surface-mount LEDs are better than in-line displays, but because the surface-mounted LED display has low brightness and is waterproof, moisture-proof, The anti-ultraviolet function cannot meet the requirements of outdoor harsh environment, so outdoor full-color display is the world of in-line LED devices. Full-color surface-mount LED displays can only be used in large numbers indoors LED cabinets. The application technology of surface-mounted LEDs has not been able to meet outdoor requirements. Outdoor hot and cold environments are extremely prone to product dead lights.
Full-color LED display indicators are required to be controlled within one percent.
The display shows that some parts of the image are not bright, or the areas that should be bright are not bright, and the areas that should not be bright are still on. Yes, yes, these can be caused by the pixels of the full color LED control card display being out of control, then the reason What is it, and how can we solve it? Full color LED display pixels runaway is a relatively common problem. What is the cause of this phenomenon, and how to solve it?
Methods Of Mobile Phone And Ipad To Control LED Display
The system uses a mobile terminal (mobile phone, IPAD) as the control terminal, and realizes remote wireless screen control for the first time. All its functions can be realized by touch LED Screen Parts control. Zero-second switching is not blocked. Really abandon the traditional keyboard, mouse, software instead of hardware. VDWALL A6000 has ultra-clear picture display features, seamless video switching, arbitrary window zooming and zooming, multi-channel input and output.
The display shows that some parts of the image are not bright, or the areas that should be bright are not bright, and the areas that should not be bright are still on. Yes, yes, these can be caused by the pixels of the full color LED display being out of linsn LED control system, then the reason What is it, and how do I fix it?
ED drive power potting adhesive is suitable for potting protection of general electronic components, power modules and circuit boards.
LED drive power potting adhesive is suitable for potting protection of general electronic components, power modules and circuit boards, as well as potting of various electronic appliances, such as switching power supplies, drive power supplies, automotive HID lamp module power supplies china, automotive ignition system module power supplies , Appliance controller, network transformer, etc. Many customers do not understand the use of LED power supply. Now I will explain the use of LED driving power potting glue:
The inspection of the safety of the pillar of the outdoor LED display can mainly be carried out in the following three aspects.
Outdoor LED display steel pipe columns and foundations are generally bolted or welded. For bolted connections, check for missing bolts during inspection, and the bolts must not be deformed, slipped, loosened, etc .; if there are design drawings, the specifications and models of the bolts must meet the design requirements; the bolts should be rust-proofed. If the corrosion is serious, it must be replaced immediately, and the bolt fastening should be firm and reliable. For high-strength bolts, the embedment depth of the bolts must meet the requirements of the specification.
It is very necessary to determine the brightness of the LED display.
Familiar people know that there are two ways to adjust the brightness of the full-color LED display: automatic adjustment and manual adjustment. Among them, the automatic adjustment is an intelligent brightness adjustment method that is adaptive according to the ambient brightness, and the manual adjustment method is implemented by software. So let ’s take a look at the software to adjust the brightness of the LED display screen.
In short, the small pitch is “high density”. Now LED display screens are developing in the direction of small pitches. Small pitch LEDs are used to build high-resolution display screens. Small pitch displays require inputs with higher definition images and Video, which is a challenge for the processor’s load capacity. A good-performing mid-to-high-end LED video processor not only requires the processor to have higher resolution image output capabilities, higher resolution, and more video image input capabilities, but also a more number of real-time video windows In addition to the screen display capabilities, in addition to real-time display, monitoring, management and other aspects have been particular about, we can look at the following aspects.
At this stage, as China ’s level of monitoring technology and data collection capabilities have been improved to a certain extent, it is very important for the display terminal to accurately display the collected data on the display wall in a timely manner, which directly affects the rational decision-making of Continue Reading
Seamless stitching technology is a special, highly demanding projection display application that can achieve multi-screen image fusion together and reduce the stitching gap to the smallest so that it completely overlaps the stitching technology. The seamless stitching technology not only requires a complete ultra-large screen, but also has special requirements for the projection used to project an oversized picture. The biggest difference between seamless stitching technology and BSV LED power supply technology is the small gap.
Recently, there will always be news on the Internet or on TV that rains have fallen in a certain area. Residents need to go boating. Extraordinary heavy rains not only cause a lot of inconvenience to people’s travel, but also may cause some LED display manufacturers’ warehouses. Water inflow causes water in the display screen body. In response to this phenomenon, what measures should LED display manufacturers take in the face of water in the screen body? Let’s explain the solution of water in the LED display screen. method:
The display with density above P2 generally uses 1515, 2020, and 3528 lights, and the LED Screen parts adopts J or L package. Side welding pins, the welding area will be reflective, the ink effect is poor, it is necessary to add a mask to improve the contrast. The density is further increased, and the L or J package cannot meet the application requirements. A QFN package must be used. The characteristics of this process are no lateral welding pins and no reflection in the welding area, which makes the color rendering effect very good. In addition, the all-black integrated design is LED used for compression molding, and the screen contrast has been increased by 50%.
With global energy shortage and environmental pollution, LED display screens have a wide application space due to their energy saving and environmental protection characteristics. The application of LED lighting products in the lighting field is attracting the attention of the world. Generally speaking, whether the LED lamp works stably and with good quality is very important for the heat dissipation of the lamp body itself. Currently, the high-brightness LED lamps on the market often use natural heat dissipation, which is not ideal. LED light fixtures created by LED light sources are composed of LEDs, heat dissipation structures, drivers, and lenses. Therefore, heat dissipation is also an important part. If LEDs do not dissipate heat well, their lifetime will be affected.