The invention provides a lamp panel adapter plate which comprises a receiving card, a connecting port and a single-chip microcomputer. The single-chip microcomputer is electrically connected with thereceiving card and the connecting port; and the connecting port is used for being connected with a lamp panel. The single chip microcomputer identifies the lamp panel type corresponding to the lamp panel through the connection port, determines a corresponding lamp panel program according to the lamp panel type, and sends the corresponding lamp panel program to the receiving card, so that the receiving card loads the lamp panel program. The invention further provides an LED display screen. In this manner, the single chip microcomputer is arranged in the lamp panel adapter plate and the lamp panel program corresponding to the type of the lamp panel is preset in the single-chip microcomputer, so that the lamp panel adapter plate is connected with the lamp panel in an inserting manner; the single-chip microcomputer automatically identifies the lamp panel type corresponding to the lamp panel, obtains the lamp panel program corresponding to the lamp panel type and sends the lamp panel program to the receiving card, so that the receiving card carries out loading according to the lamp panel program; automatic loading of a display screen program can be achieved; and a program stored in an external chip of the receiving card is safer and more stable.

Lamp panel adapter plate and LED display screen

The utility model discloses a receiving card which comprises an image processing circuit, a microcontroller, a multipath network PHY chip, a network transformer and a connector. Wherein the microcontroller is connected with the image processing circuit, the multipath network PHY chip is connected between the image processing circuit and the network transformer, and the connector comprises a firstconnecting piece and a second connecting piece which are arranged in pairs; wherein the first connecting piece comprises a multi-path data set output pin group, and the second connecting piece comprises a multi-path data set output pin group, a display control signal output pin group and a multi-path Ethernet interface pin group; the network transformer is connected with the multi-path Ethernet interface pin group; and the image processing circuit is connected with the multi-path data group output pin group of the first connecting piece, the multi-path data group output pin group of the secondconnecting piece and the display control signal output pin group. The utility model further discloses a display system. According to the utility model, the size of the receiving card can be reduced,the data transmission failure rate is reduced, and the receiving card installation convenience and electromagnetic compatibility are improved.

Receiving card and display system

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Receiving card and display system