LED (light emitting diode) backlight source

The invention discloses an LED (light emitting diode) backlight source. The LED backlight source comprises a constant-current drive circuit, a power source and a plurality of LED lamps. The plurality of LED lamps are in a cross array structure and connected with the constant-current drive circuit, and the power source is connected with the LED lamps. The LED backlight source has the advantages of stability in brightness and high reliability.