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 5:
6. The light-emitting device driver chip of claim 5, wherein the dimming module comprises a dimming control unit and a dimming switch unit, a control output terminal of the dimming control unit is electrically connected to a dimming control terminal of the dimming switch unit, a dimming input terminal of the dimming switch unit is electrically connected to the dimming input node of the dimming module, and a dimming output terminal of the dimming switch unit is electrically connected to the dimming output node of the dimming module;
the parallel control circuit further comprises a second parallel control module, and the second parallel control module is electrically connected between the dimming modules of the at least two current control circuits and is configured to enable, according to the parallel control signal, the control output terminals of the dimming control units of the at least two current control circuits to be electrically connected; and
one of the dimming control units of the at least two current control circuits is configured to provide a dimming control signal for the dimming switch units of the at least two current control circuits.