Patent ID: 11942015
Assignee: NOVATEK MICROELECTRONICS CORP.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 22:
23. The source driver according to claim 1, wherein the output buffer circuit comprises:
a first input stage circuit, having an input terminal and an output terminal, wherein the input terminal of the first input stage circuit is employed as or coupled to the first input terminal of the output buffer circuit, and a first terminal of the first switch is coupled to the output terminal of the first input stage circuit;
a second input stage circuit, having an input terminal and an output terminal, wherein the input terminal of second input stage circuit is employed as or coupled to the second input terminal of the output buffer circuit, and a first terminal of the second switch is coupled to the output terminal of the second input stage circuit; and
a gain and output stage circuit, having an input terminal and an output terminal, wherein the input terminal of the gain and output stage circuit is coupled to a second terminal of the first switch and a second terminal of the second switch, and the output terminal of the gain and output stage circuit is employed as or coupled to the output terminal of the output buffer circuit.