Pulse width modulation frequency conversion

The method of claim 1, wherein generating the second PWM cycle comprises:ndetermining a duty ratio of the first PWM cycle using the second set of one or more PWM parameters; andgenerating the second PWM cycle so as to have a duty cycle substantially equal to the duty ratio determined for the first PWM cycle.

The method of claim 1, wherein generating the second PWM cycle comprises:ndetermining a duty value based on a PWM step range of the second PWM signal and a ratio of the third value and the fourth value; andgenerating the second PWM cycle based on the duty value.

The method of claim 1, wherein:nfiltering the first value based on the change threshold range to generate the third value comprises:nsetting the third value equal to the first value in response to determining a difference between the first value and a fifth value is greater than or equal to the predetermined change threshold, wherein the fifth value represents a number of samples having the select sample value for a PWM cycle of the first PWM signal occurring prior to the first PWM cycle; andsetting the third value equal to the fifth value in response to determining the difference between the first value and the fifth value is less than the predetermined change threshold; andfiltering the second value based on the change threshold range to generate the fourth value comprises:nsetting the fourth value equal to the second value in response to determining a difference between the second value and a sixth value is greater than or equal to the predetermined change threshold, wherein the sixth value represents a total number of samples for a PWM cycle of the first PWM signal occurring prior to the first PWM cycle; andsetting the fourth value equal to the sixth value in response to determining the difference between the second value and the sixth value is less than the predetermined change threshold.

The method of claim 1 further comprising providing power to light emitting diodes of a display panel based on the second PWM signal.

The PWM frequency converter of claim 9, wherein the PWM generator module is to generate the second PWM cycle by:ndetermining a duty ratio of the first PWM cycle using the second set of one or more PWM parameters; andgenerating the second PWM cycle so as to have a duty cycle substantially equal to the duty ratio determined for the first PWM cycle.

The PWM frequency converter of claim 9, wherein the PWM generator module is to generate the second PWM cycle by:ndetermining a duty value based on a PWM step resolution of the second PWM signal and a ratio of the third value and the fourth value; andgenerating the second PWM cycle based on the duty value.

The PWM frequency converter of claim 9, wherein:nthe filter module is to filter the first value to generate the third value by:nsetting the third value equal to the first value in response to determining a difference between the first value and a fifth value is greater than or equal to the predetermined change threshold, wherein the fifth value represents a number of samples having the select sample value for a PWM cycle of the first PWM signal occurring prior to the first PWM cycle; andsetting the third value equal to the fifth value in response to determining the difference between the first value and the fifth value is less than the predetermined change threshold; andthe filter module is to filter the second value based on the change threshold range to generate the fourth value by:nsetting the fourth value equal to the second value in response to determining a difference between the second value and a sixth value is greater than or equal to the predetermined change threshold, wherein the sixth value represents a total number of samples for a PWM cycle of the first PWM signal occurring prior to the first PWM cycle; andsetting the fourth value equal to the sixth value in response to determining the difference between the second value and the sixth value is less than the predetermined change threshold.

The PWM frequency converter of claim 9 further comprising an interface for providing the second PWM signal to a current regulator associated with light emitting diodes of a display panel.

The method of claim 15, wherein generating the PWM cycle of the second PWM signal comprises:ndetermining a duty value based on a PWM step range of the second PWM signal and a ratio of the fifth value and the sixth value; andgenerating the PWM cycle for the second PWM signal based on the duty value.

The method of claim 15, wherein:nfiltering the third value to generate the fifth value comprises:nsetting the fifth value equal to the third value in response to determining a difference between the third value and the first value is greater than or equal to the predetermined change threshold; andsetting the fifth value equal to the first value in response to determining the difference between the third value and the first value is less than the predetermined change threshold; andfiltering the fourth value to generate the sixth value comprises:nsetting the sixth value equal to the fourth value in response to determining a difference between the fourth value and the second value is greater than or equal to the predetermined change threshold; andsetting the sixth value equal to the second value in response to determining the difference between the fourth value and the second value is less than the predetermined change threshold.