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 9:
10. The light-emitting device driver chip of claim 9, wherein the parallel selecting module comprises:
a first selecting transistor, wherein a source electrode and a drain electrode of the first selecting transistor are electrically connected between the non-inverting input terminal of the operational amplifier of the second current control circuit and one of the source electrode and the drain electrode of the first parallel transistor; and
a second selecting transistor, wherein a source electrode and a drain electrode of the second selection transistor are electrically connected between the gate electrode of the second transistor of the second current control circuit and one of the source electrode and the drain electrode of the second parallel transistor;
wherein the gate electrode of the first selecting transistor and the gate electrode of the second selecting transistor in the second current control circuit are electrically connected to the second input port.