LED light-emitting module, LED printing head and LED printer

The invention provides an LED light-emitting module, an LED printing head and an LED printer. The LED light-emitting module comprises a glass substrate, a driving circuit, an LED light-emitting assembly and a driving chip, and the driving circuit is arranged on the surface of one side of the glass substrate; the LED light-emitting assembly comprises a plurality of LED light sources arranged in an array mode, and the LED light-emitting assembly is arranged on the surface of the driving circuit and electrically connected with the driving circuit. The driving chip is connected with the driving circuit and controls the LED light source in the LED light-emitting assembly to be turned on and turned off through the driving circuit. The LED light-emitting module with the structure has the advantages of low processing difficulty and low cost. 本申请提供了一种LED发光模块、LED打印头和LED打印机。该LED发光模块包括玻璃基板、驱动电路、LED发光组件和驱动芯片，其中，驱动电路设于玻璃基板的一侧表面；LED发光组件包括多个以阵列方式排布的LED光源，LED发光组件设于驱动电路的表面且与驱动电路电连接；驱动芯片与驱动电路连接，并通过驱动电路控制LED发光组件中的LED光源的启闭。该结构的LE