Patent ID: 11887525
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G

Claim 0:
1. A display device comprising:
pulse-amplitude modulation (PAM) data lines to which PAM data voltages are respectively applied;
pulse-width modulation (PWM) data lines to which PWM data voltages are respectively applied; and
a plurality of sub-pixels respectively connected to the PWM data lines and the PAM data lines,
wherein a sub-pixel among the plurality of sub-pixels comprises:
a light emitting element;
a first pixel driver configured to supply a control current according to one of the PWM data voltages to a first node;
a second pixel driver configured to generate a driving current according to one of the PAM data voltages; and
a third pixel driver configured to adjust a period during which the driving current is supplied to the light emitting element according to a voltage of the first node,
wherein a peak current value of the driving current when the sub-pixel emits a light corresponding to a low gray level region is smaller than a peak current value of the driving current when the sub-pixel emits a light corresponding to a high gray level region higher than the low gray level region.