Patent ID: 11869436
Assignee: LG DISPLAY CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A subpixel circuit for operating at least one of a plurality of subpixels disposed on a display panel, the subpixel circuit comprising:
a light emitting circuit including a light emitting element to receive a high-potential voltage, the light emitting circuit being configured to control the light emitting element according to a driving voltage and to output a control voltage;
a reference circuit configured to receive the control voltage and a low-potential voltage and to control a driving current flowing through the light emitting element;
an amplification circuit configured to compare the control voltage and a data voltage to generate the driving voltage for controlling the light emitting circuit; and
an input circuit configured to receive the data voltage and a first scan signal and to control a timing of applying the data voltage to the amplification circuit based on the first scan signal,
wherein the amplification circuit includes:
a control transistor having a gate node to receive the control voltage and a source node to supply the driving voltage to the light emitting circuit; and
a first capacitor connected to the source node of the control transistor to transfer an input power voltage.