English 
Customized P3.91 Indoor Led Display Screen
HD led display
16Bits high gray level, high refreshing above 1920, 1200-5000nits indoor highlighting, dreamy clear and delicate display effect, giving you a perfect visual enjoyment.
High refresh contrast
High refresh, stable image, greatly reducing eye damage, only achieved with the perfect combination of PCB, IC and control system.
Stable performance
Seamlessly stitched together
The splicing error between the template design is controlled within ±0.1mm for easy installation, and can be made into any shape according to the user's needs.
No need to worry about crashing,The entire interior of the air box is isolated with a full version of pearl cotton
Traffic induction field. At the crossroads of the bustling streets or on both sides of the expressway, traffic-inducing LED displays will be established. These displays are generally controlled by the control center. Combined with other road condition monitoring devices, they automatically display traffic conditions or congestion information according to road conditions, and choose for travellers. Make the best route
FAQ
Lights LED display assembly problem answer
1. Why is the screen display not loading?
There are several reasons why the screen cannot be loaded. First, check whether the hardware of the control system is properly powered. Secondly, check that the serial cable connected to the controller is a straight-through cable. If the connection is a crossover cable, the screen will not load. Also check whether the serial cable is damaged or if the two sections are loose. The problem with the cable check is still there. Check to see if the jumper cap is loose and make sure the jumper cap is oriented correctly.
After the external settings are adjusted, compare the control software and control card of the LED electronic large-screen display device, select the correct product model, transmission mode, serial port number, baud rate, etc., and compare the DIP switch diagram provided by the software. Settings.
After the operation of these methods, the screen still shows that it cannot be loaded, and then the professional manufacturer is notified to perform the test.
2. Why is the communication connection not working?
This problem is the same as the reason why the screen display cannot be loaded. First, check whether the hardware of the control system is properly powered. Secondly, check that the serial cable connected to the controller is a straight-through line. If the connection is a crossover line, the screen will also load. No, you should also check if the serial cable is damaged or if the two sections are loose. The problem with the cable check is still there. Check to see if the jumper cap is loose and make sure the jumper cap is oriented correctly.
After the external settings are adjusted, compare the control software and control card of the LED electronic large-screen display device, select the correct product model, transmission mode, serial port number, baud rate, etc., and compare the DIP switch diagram provided by the software. Settings.
After the operation of these methods, the screen still shows that it cannot be loaded, and then the professional manufacturer is notified to perform the test.
Product Parameters
| Pixel Pitch | 3.91mm |
| Pixel Density | 65410 dots/㎡ |
| Module Resolution | 64*64 dots |
| Led Type | LED2121 |
| Average Power Consumption | 500-850W |
| Refresh Rate | 1920Hz |
| Gray Scale | 14 Bit Recommended |
Application
A special place for LED creative screens. Nowadays, basically every city has museums, science museums and other places, and has a close connection with high-tech LED display. At present, LED creative screen application field all museum LED spherical screen, Science and Technology Museum LED spiral and LED Rubik's Cube, Children's Palace LED creative screen, Aerospace City LED drum screen, as well as art museums, art galleries, experience halls and other places.
Our Service
Production
1. The unit price depends on the quantity, we can offer you at a competitive price.
2. Your inquiry related to our products or prices will be replied in 24hrs.
3. Well-trained and experienced staffs to answer all your enquires in fluent English.
4. Distributorship are offered for your unique design and some our current models.
5. Protection of your sales area, ideas of design and all your private information.
The outdoor full-color led large screen has the advantages of clear picture and high update rate of image and video. It provides advertisements in a superior geographical position, which satisfies the increasing visual and interactive needs of consumers, and improves the advertising information while improving the advertising information. The degree of attention that stimulates consumption. The outdoor led big screen is strong to attract consumers' attention. It can enhance the impression of consumers by playing brand promotion electronic posters and exquisite brand promotion videos to achieve the best advertising effect.
Multi-functional connector, fast and easy
Multi-function connectors, set connection and slot trimming are all in one, all for the convenience of customers.
Multi-function connectors, set connection and slot trimming are all in one, all for the convenience of customers.
Multi-function connectors, set connection and slot trimming are all in one, all for the convenience of customers.