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What are the core technologies of indoor led small pitch display?

2022/02/28

With the development of LED technology, the brightness of LED electronic displays is also increasing, and the size is getting smaller and smaller, which means that more and more indoor LED small-pitch displays will become a trend. 2018 is the year of the outbreak of indoor LED small-pitch displays. This is mainly due to the development of LED lamp bead technology. Small-sized LED lamp bead technology is becoming more and more mature, and the quality is becoming more and more stable, and now the display screen with a spacing below P2 is called Small pitch led display. Shenzhen Huabangying Optoelectronics Co., Ltd. is a manufacturer integrating small-pitch LED display manufacturers and small-pitch LED display R&D, production, sales and service. Here is a brief introduction to some of the core technologies of indoor led small-pitch displays.

1. Effectively reduce the dead light rate and ensure the stability of the screen.

According to industry standards, the dead light rate of traditional LED displays is as high as 1 in 10,000, but small-pitch LED displays are temporarily unable to do so. Unable to watch. Therefore, the proportion of dead lights in small-pitch LED displays must be controlled at 1/100,000 or even 1/10,000,000 to meet the needs of long-term use. Otherwise, if a large number of dead lights appear within a period of time, the user cannot accept it.

2. Achieve low brightness and high grayscale.

Many people know that human sensors have different requirements for brightness from outdoor lighting, requiring higher refresh rates and energy-saving requirements, while indoor lighting needs to reduce brightness. Experiments show that from the perspective of human eye sensors, LEDs (active light source) is 2 times brighter than passive light source. In terms of specific data, the best brightness of small-pitch LED displays entering the room is 200-400cd/m2. However, the loss of grayscale caused by reducing brightness also requires technical supplements.

3. Dual backup of system power supply.

Any group of modules of the small-pitch LED display can be repaired from the front, making the repair faster and more convenient; the repair speed is more than 5 times faster than traditional products, the operation is stable, the failure rate is negotiable, and the power supply and signal are double-backed to ensure long-term stable operation. Support 7*24 hours of continuous work.

4. Support system access and multi-signal and complex signal display and control.

Compared with outdoor displays, small-pitch LED display signals have the characteristics of multi-signal access and complex signal access, such as multi-site video conferences, which require remote access signals, local access signals, and multi-person access. Experiments have proved that simply adopting the split-screen scheme to achieve multi-signal access will reduce the signal standard. How to solve the access problem of multiple signals and complex signals requires the technical support of small-pitch LED displays.

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