LED DISPLAY DEVICE AND LED CONTROL SYSTEM

摘要

An LED display device and an LED control system. The display device comprises: an LED display panel (10); a display driver circuit (30) that comprises: a switch circuit (31), a driver circuit (33), and a control circuit (35), where a first terminal of one between the switch circuit (31) and the driver circuit (33) is connected to a power supply terminal of a power supply device, while a first terminal of the other is connected to a ground terminal of the power supply device, and a second terminal of the one between the switch circuit (31) and the driver circuit (33) is connected to an anode of the LED display panel (10), while a second terminal 353 of the other is connected to a cathode of the LED display panel (10); and, a control circuit (35) that comprises: a power supply control circuit (351) and a driver control circuit (353), where the power supply control circuit (351) is connected to a third terminal of the switch circuit (31) via a power supply control port, and the driver control circuit (353) controls the turning on or turning off of the driver circuit (33). The display device integrates the switch circuit (31), the driver circuit (33), and the control circuit (35) into the display driver circuit (30).

主权项

1. A Light-Emitting Diode (LED) display, comprising:
an LED display panel; and a display driving circuit, comprising a switching circuit, a driving circuit and a control circuit, wherein a first end of one of the switching circuit and the driving circuit is connected to a power end of a power supply equipment, and a first end of the other of the switching circuit and the driving circuit is connected to a grounding end of the power supply equipment; a second end of one of the switching circuit and the driving circuit is connected with an anode of the LED display panel, and a second end of the other of the switching circuit and the driving circuit is connected with a cathode of the LED display panel; the control circuit comprises a power supply control circuit and a driving control circuit; wherein the power supply control circuit is connected with a third end of the switching circuit through a power supply control port, and is configured to control the switching-on or switching-off of the switching circuit; the driving control circuit is connected with a third end of the driving circuit through a driving control port, and is configured to control the turning-on or cutting-off of the driving circuit; and wherein the switching circuit is configured to control the power supply of the LED display panel, and the driving circuit is configured to control the ordered display of the LED display panel.