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When customers use LCD, what should they pay attention to?

The following are the precautions for LCD module operation:   If the display screen is damaged and the internal LCD leaks, do not let it enter the mouth. If it gets on clothes or skin, wash it quickly with soap and water. In order to reduce static electricity, do not carry out assembly and other work in dry environment. The LCD module has a film to protect the display screen. Be careful when removing this protective film as it may generate static electricity. The display screen is made of glass. Do not apply mechanical impact, such as falling from height. It must be grounded correctly. Minimize electrode corrosion. Water droplets, moisture condensation or current in high temperature environment may accelerate electrode corrosion. At low temperature, liquid crystal solidification will lead to directional defects or bubbles. When the liquid crystal module is subject to strong vibration at low temperature, bubbles will also be generated. If the LCD module works for a long time and displays the same pattern, the pattern will remain on the screen like a phantom, and there will be subtle contrast differences. If you want to regain the normal working state, you can temporarily stop using it for a while. It is worth noting that this phenomenon will not have an adverse effect on the reliability of the performance.

What are the pixels of LCD?

Pixel is a kind of unit. Generally speaking, it is invisible to the naked eye. How can we see the pixels of LCD? That is, if the image of LCD is magnified several times, many small square dots will be found. These small square dots are actually the so-called pixels.   The LCD splicing unit of LCD is a full-color screen, and red, green and blue are the primary colors of colors. Because LCD has many colors to realize, it needs to combine the red, green and blue lights to form pixels.   The pixel of LCD is a unit used to calculate the digital impression. Just like the photo taken, the digital impression also has continuous tone. If you enlarge the impression several times, you will find that these continuous colors are actually composed of many small dots near the color.   In addition, the pixels of LCD include real pixel display and virtual pixel display. The two technologies are different. The virtual display adopts virtual pixel technology, that is, LCD multiplexing technology. The same LCD light-emitting tube can be combined 4 times with adjacent LCD light-emitting tubes (down, down, left, and right combinations). Generally speaking, the pixel is a unit. The pixels of the current LCD display are 1920 * 1080, and the pixels of the Department display can be as high as 3840 * 2160. The higher the pixel, and more clearer the picture will be.

Digital Signage Advantage characteristics

System advantages 1. Centralized control and centralized management: Through the WAN network remote control, there is no need to manually change the card or insert the card, so that different places, different audiences, and different time periods can play different advertising information content. Software upgrades can also be operated remotely, without manual presence. 2. Real-time release: Immediately release emergency information, emergencies, and insert media files to achieve the simultaneous release of bank foreign exchange, fund interest rates, policies and regulations, promotional activities, weather forecasts, clocks and other instant information. 3. Stability: Efficient and stable embedded design, plug and play, no virus infection. 4. Split screen display: At the same time, multiple information combinations such as audio, video, pictures, letters, etc. are played to realize the free adjustment of any position of videos, pictures, and subtitles, which solves the contradiction that only advertising is less concerned or only entertainment programs have no advertising value. 5. Information security: The use of special pricing technology can control the broadcast of all non-audited programs, effectively ensuring the safety of outdoor media transmission. 6. HD playback: Supports high-definition playback of MPEG1, MPEG2, MPEG4, WMV9, H.264 and other media (except for the two formats of rm and mkv, other media formats are basically supported.). Internet function 1. Support all existing IP networks, support various network protocols and provide service quality assurance. 2. Real-time information release: rolling subtitles, pictures, video clips, etc. 3. The network updates the broadcast content without manual replacement. 4. The playback terminal can

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