Patent ID: 11929007
Assignee: NOVATEK MICROELECTRONICS CORP.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 9:
10. A driving parameter adjustment method, comprising:
dynamically adjusting at least one driving parameter for a target light emitting diode in a light emitting diode array according to a grayscale value of the target light emitting diode; and
controlling a current driving circuit and a scanning circuit according to the at least one driving parameter, wherein the current driving circuit is suitable for driving a plurality of driving lines of the light emitting diode array, and the scanning circuit is suitable for driving a plurality of scanning lines of the light emitting diode array,
wherein the at least one driving parameter comprises at least one of a pulse amplitude modulation multiplier parameter, a pulse width modulation multiplier parameter, and a width compensation level parameter,.
wherein the driving parameter adjustment method further comprises:
dynamically decreasing the pulse amplitude modulation multiplier parameter of the target light emitting diode and dynamically increasing the pulse width modulation multiplier parameter of the target light emitting diode when the grayscale value of the target light emitting diode falls within a low grayscale interval; and
dynamically increasing the pulse amplitude modulation multiplier parameter of the target light emitting diode and dynamically decreasing the pulse width modulation multiplier parameter of the target light emitting diode when the grayscale value of the target light emitting diode falls within a high grayscale interval.