55 inch 3.5 LCD splicing screen：

In the field of big screen display today, there are a wide variety of products and the technology is becoming more and more updated. Based on the functional requirements of the system, we believe that the following design ideas and principles should be followed.
1. System availability
According to the system scale and application requirements of the large screen display system, we will select the right products in the system to meet the application requirements of the large screen display system.
Using LED splicing unit and the external image processing system with display signal switching, you can choose any signal on the big screen; can meet the combination of RGB or DVI signal and video signal display requirements, control software through Chinese, realize large screen display system of image mosaic into full screen or single screen display, image zoom. And almost all of the roaming function.
2. System advancement
She marks the latest display and processing technology in the world. As a large screen display unit of the system, not only can directly input RGB and Video signals, but also through the built-in image processing system, the realization of arbitrary zoom image, with the signal switching can realize multi-channel signal input at the same time and can choose a signal on a large screen display screen of a single office. The whole Chinese control software not only has strong display control function and simple and intuitive operation interface, but also has a unique image stitching automatic correction function.
3. The reliability of the system
The whole system can work continuously according to the demand 24 hours a day and 365 days a year, so the whole large screen display system must have the characteristics of high reliability and high stability, so as to ensure the continuous normal operation of the system all the year round.
4. System economy
The reasonable ratio of performance and price is the important content that should be considered in the system design. Therefore, considering the good performance, the selected equipment should also consider the economy. Besides the overall cost of the system, the long-term operation cost of the system should also be considered.
The whole system that we recommend has the features of easy maintenance. At present, the service life of LED splicing products is up to 60000 hours.
5, the principle of maturity
Each part of the system we design are adopted in the international well-known brand products, they have been in various industries at home and abroad experienced a long uninterrupted operation test; operating platform and application software are mature and reliable, and has self diagnosis and fault locating and recording function.
6, the principle of openness
Every part of the splicing wall system of our company is open. The operation of the system software with standard interface two development, open to customers, customers can be two times the development of control software according to their actual requirements; if the system unit needs to be expanded, only need to be the same unit in accordance with the customer's own needs, are combined directly based on the existing wall on the system; if the graphics processor hardware needs to be expanded, only need to be in the market to buy the corresponding graphics card is arranged in the graphics processor, install the driver the new graphics card can be.
7, the extensibility principle
The LED display unit of our company adopts advanced modular design. It has good expansibility and maintainability. The module replacement is convenient and quick. It has the advantages of easy disassembly and expansion, long service life, easy maintenance and short maintenance time.
8, the principle of integration
The interface of every part of the system adopts the international standard interface. Any signal or hardware can directly enter the system adaptation if it meets the corresponding international standards.
9. The principle of anti-interference
The selected signal processing equipment and transmission cable have good shielding protection measures, so that the whole system has strong ability to resist electromagnetic interference. It is in line with "information technology equipment immunity limits and measurement methods": GB/T17618, and achieves the "information technology equipment radio interference limit value and measurement method": GB9254's A-level.
It can prevent a range of atmospheric overvoltages, electromagnetic waves, radio and electrostatic interference and intrusion into the system, and has strong shielding and isolation for strong electromagnetic fields and static electricity. All electronic products meet the electromagnetic compatibility standard specified by the national standard. All products, including host and display, will not appear any picture beating or disturbance under the external electromagnetic field and static interference.
10. The maintainability of the system
LED splicing wall display system has very high reliability. Generally, there is no need for maintenance. However, in case of damage in special cases, its modular design will soon be able to repair the system. So the easy maintenance performance is excellent.

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