1. Completely solve the visual defects of splicing large-screen image segmentation, and achieve complete seamlessness.
In specific work, seamless LED splicing technology can completely solve the problem of screen segmentation and meet the requirements of complete seamlessness. In the current large-screen splicing system throughout China, many displays still have more splicing seams. For example, the gap of the LCD splicing system is too large to meet the needs of users. Plasma and rear projection large screen splicing systems have more advantages than liquid splicing technology. However, from the perspective of its visual effects, there are still a lot of dividing lines. Even if LCD, DLP and PDP technologies are used in engineering, the technical requirements are also mentioned as the highest, only the gap can be reduced, so it cannot be completely eliminated. So far, the best level of patchwork technology is "seamless", "narrowest", "nearly seamless", etc. However, this still cannot deny the existence of the gap.
Using seamless LED splicing technology, the screen resolution can be improved in a small area, ensuring the image texture, and meeting the needs of users for close viewing. Compared with the existing splicing technology, LED physical seamless splicing can realize cross-screen display. For the seam, the height of the seam is not the size of the gap, but the question of whether the gap exists. The highway seamless LED technology uses a unique technology to connect each unit together, and uses a special process to make up for the defects in the design process. In this way, the pixel pitch distribution can be evenly distributed, and the purpose of eliminating seams can be achieved.
Huizhou Public Security Bureau 2*3 splicing screen
2. Thoroughly solve the problem of inconsistency in brightness and chroma attenuation of large splicing screens
The application of the highway seamless LED technology will effectively deal with the situation where the brightness and chromaticity attenuation of the spliced large screen are different. In this technology, point-by-point brightness and chromaticity correction technology is usually used, which ensures the uniformity of brightness and chromaticity. For example, the application of point control technology creates a platform for users to correct chromaticity and brightness point by point, and control the pixels of the screen to achieve high image recovery. The technology also has SMS and e-mail notification functions, enabling users to grasp the status information of the video wall in time.
LCD splicing screen
3. Dense display and control platform to obtain all surveillance video sources
Seamless LED technology uses a dense display and control platform to ensure the reliability of surveillance video sources. The dense display and control platform can create a management platform for customers, effectively realize the management of video signals, computer signals and network signals, and provide users with better services.
4. Power and signal powerful redundant backup design to ensure safe and reliable use
In the design of the seamless LED system, the redundancy of the power supply and the signal is backed up, which can reduce the problems in the use process. This is mainly reflected in the following aspects:
(1) Signal redundancy design control. In the highway seamless LED technology, the signal redundancy design adopts dual signal channels, the performance is N + 1 redundancy, and it supports hot swap.
(2) Optimize the design of distributed power supply, centralized power supply, reduce the main heating elements of the screen, save energy, and improve efficiency; integrated power supply N + 1 redundant design, intelligent current when the power fails, and improve the safety of use. In addition, the power supply supports hot-swappable, quick and easy maintenance.
5. Long service life, simple maintenance process, extremely low maintenance cost
Compared with traditional displays, LEDs have a longer service life, and their maintenance and repair costs are relatively low. Take the seamless LED technology in the project as an example. The LED standard unit and the display panel are composed of smaller units (L2.5: 200 * 80mm / block-8.5 inches): LED lights display a single pixel as an individual if there is one Necrotic point, replace and repair the LED light with a spare device; if the panel cannot be repaired, please replace the small display; for example, the 32-inch display area is just traditional. 4% of the panel. At present, the mainstream is 46-inch, 55-inch and 60-inch splicing units, and the cost will be lower. In addition, in this case, the DLP monitor specifications in the seamless LED system are usually 50 to 100 inches, and the life span is about 8,000 hours. If there is a problem with the projection bulb and the panel, you need to replace the LCD monitor, which is usually 40 to 100 inches in size. The glass panel is easily damaged and needs to be replaced as a whole.
6. Ultra-large viewing angle, ultra-high contrast, ultra-high refresh rate
The project provides a larger viewing angle to prevent reflections. For the above engineering case analysis, it uses a matt black base plate and a black bead surface to break through the limitations of traditional screen reflections. The contrast ratio is as high as 4000:1, and the color performance is better. In addition, the fill rate and contrast are also very high. When shooting the screen, the state is relatively stable, the screen is displayed dynamically, the edges of the image are clear, the dynamic performance is good, and the image information is accurate and truly restored. Make the video image smooth and smooth, bringing the greatest visual enjoyment. In addition, it is particularly pointed out that the brightness uniformity of the LED screen is excellent, and the single-point brightness correction is matched, so that the brightness uniformity of the entire screen tends to be extreme.
LCD splicing screen
7. Ultra-thin, ultra-light structure, ultra-quiet heat treatment technology
In the application of seamless LED splicing technology, ultra-quiet heat treatment technology is also used. The engineering case I studied mainly uses high-performance heat-conducting material aluminum plate for overall heat dissipation. The left and right wings of the chassis take away the heat in the box through convection grooves, which is beneficial to maintain the same temperature as the environment. The large-area aluminum heat dissipation surface on the back of the cabinet is the heat sink of the circuit and IC. Good self-heating design and convection scheme ensure that the product is ultra-quiet and has strong heat dissipation.
8. Dynamic energy saving, ultra-low dynamic consumption, green light source, energy saving and environmental protection, no pollution
In the actual application process, the highway seamless LED splicing technology can reduce energy consumption and save engineering costs. It highlights the following two aspects:
(1) Low power consumption and energy saving technology
The LED high-definition display wall produces different power consumption as the screen changes during operation; that is to say, it is equivalent to the part of the power consumption required by the peak value, which is generally between 30% and 50%; depends on the display content; In the work of traditional splicing large screen, regardless of the content of the picture, even a black screen can maintain a constant power consumption, that is, the required power consumption.
(2) Energy-saving, non-polluting products
Non-polluting traditional splicing large screens may have various environmental pollution sources, such as mercury, ultraviolet rays and auxiliary radiation due to their luminescent materials and working principles. The LED high-definition display directly emits the display product, the LCD lighting source is a backlight bulb (tube), and the lighting medium is mainly tungsten, lead, etc., which has no significant impact on the environment.
in conclusion
During the road construction process, the seamless LED splicing technology makes the entire screen very clear and the viewing angle is relatively large, which is very conducive to engineering construction. The color expression of this technology is strong, and the image is complete and true. This is highlighted in the design of the module, which uses relatively high-quality black surface LED lights with relatively good brightness and contrast. The screen refresh rate is high and the screen will not be interrupted. In addition, the technology uses a high-efficiency power supply, which greatly reduces its output power, so that the heat of the power supply will not be too high and affect its working state.
