Patent ID: 11862087
Assignee: WUHAN TIANMA MICROELECTRONICS CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 7:
8. A control method for a display device,
the display device including a plurality of pixels each including a light-emitting element and a pixel circuit configured to control light emission of the light-emitting element,
the pixel circuit including a driving transistor configured to supply electric current to the light-emitting element, a switching transistor having a source and a drain connected between a gate and a drain of the driving transistor, and a storage capacitor configured to store voltage to control the electric current to be supplied by the driving transistor to the light-emitting element, and
the control method comprising:
determining a statistic of brightness of pixels specified by one or more video frames with a predetermined method;
determining a length of a threshold compensation period for which the storage capacitor applies threshold compensation to the driving transistor based on the statistic; and
controlling an ON period of the switching transistor to control the threshold compensation period in such a manner that the threshold compensation period in a brightness range higher than a predetermined value is shorter than the threshold compensation period in a brightness range no higher than the predetermined value.