Patent ID: 11881182
Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G  H  Y | IPC G

Claim 0:
1. A light-emitting device driver chip, having a plurality of output ports, the light-emitting device driver chip comprises:
at least two current control circuits, wherein each of the at least two current control circuits comprising a current control module, and a control output node of the current control module is electrically connected to a corresponding one of the output ports; and
a parallel control circuit, wherein the parallel control circuit is electrically connected between the at least two current control circuits and is configured to control, according to a parallel control signal received from a first input port, the current control modules of the at least two current control circuits to be electrically connected to enable the current control modules of the at least two current control circuits to output the same current to corresponding ones of the output ports through the control output nodes.