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 7:
8. The light-emitting device driver chip of claim 7, wherein the first parallel control module comprises a first parallel transistor, a source electrode and a drain electrode of the first parallel transistor are electrically connected between the non-inverting input terminals of the operational amplifiers of the current control modules; and
the second parallel control module comprises a second parallel transistor, a gate electrode of the first parallel transistor and a gate electrode of the second parallel transistor are electrically connected to the first input port, and a source electrode and a drain electrode of the second parallel transistor are electrically connected between the gate electrodes of the second transistors of the dimming modules of the at least two current control circuits.