Patent ID: 11900865
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G

Claim 14:
15. The backlight device of claim 14, wherein the switch-capacitor amplifier circuit comprises:
an amplifier comprising a first input end and a second input end;
a first capacitor having an end connected to the first input end of the amplifier;
a second capacitor having a first end connected to the second input end of the amplifier;
an input resistor comprising an end configured to receive the reference current;
a first switch configured to turn on to connect the end of the input resistor to the end of the first capacitor;
a second switch configured to turn on to connect the end of the input resistor to a second end of the second capacitor; and
a third switch configured to turn on to connect the first end of the second capacitor to the replica circuit.