In the full-color LED display engineering application, there are single display projects, but more are multiple display projects.

For a single display screen, the control software configured by the manufacturer can meet the requirements; but for multiple display screens, especially for system integration projects, the control software configured by the manufacturer can hardly meet the requirements.

This is because, first of all, the control software configured by the manufacturer generally only implements general functions, and it is difficult to meet the requirements for personalized functions.

For example, the integration project needs to connect with the back-end database to realize real-time information release. It is difficult for general control software to provide this function;

Secondly, for integration projects, display information release is only one of the components, requiring a unified control and interface style;

Third, in a large integration project, there may be multiple vendors winning the bid, or replacing or adding other vendors’ products after the project has been implemented for many years, and the implementation technologies of different vendors may be different.

 Therefore, in order to meet the application of full-color LED display screens in engineering, manufacturers generally have to provide secondary development interfaces for system integrators to carry out secondary development and complete system integration.

After market research, the current full-color LED display secondary development interface is mixed, there is no unified standard, some are too simple to meet the engineering application, and some are too complicated, resulting in a long system integration cycle and high cost. Therefore, after research, this article proposes a new LED secondary development interface design method, allowing users to easily and quickly achieve system integration, while reducing secondary development time and cost.

 In engineering applications, full-color LED displays are mainly used to publish information, especially to update information in real time according to changes in the background database.

 A typical application is a train station, which updates ticket information such as train numbers, soft/hard seat tickets, sleeper tickets, and departure time in real time.

As well as the arrival information such as the number of trains arriving at the station, the number of delayed trains, etc., there are also temporary notices, changes of train numbers, advertisements, waiting room location, and so on.

In the integrated information management system of the railway station, compared with the whole system, the information release of the full-color LED display is only part of it.

However, the types, communication types, and distribution locations of full-color LED displays may be very complicated.

 From DLP to LED analysis of indoor large-screen display technology competition

LED display is almost the only choice in the field of outdoor large-screen display technology, and no one can shake its dominance so far.

In comparison, indoor large-screen display technology can be said to be endless: from the original CRT TV wall to a full replacement of DLP rear projection splicing; during this period, LCOS display technology has also appeared in the pan;

In recent years, there has been the rapid rise of flat panel display LCD splicing and the counterattack of plasma splicing;

Nowadays, LED display screens are not reconciled to being in the corner of the indoor advertising and information release market, using small-pitch technology to launch a full-scale attack on the indoor display market.