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Display backlighting systems and methods for adaptive pulse width modulation and modulo pulse width modulation
Display backlighting systems and methods for adaptive pulse width modulation and modulo pulse width modulation
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机译:显示背光系统和用于自适应脉冲宽度调制和模脉宽度调制的方法
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摘要
Aspects of the subject technology relate to an electronic device with a display. The display includes an array of light-emitting diodes. The array includes a plurality of subarrays of the light-emitting diodes. At least one driver circuit is coupled to the array of light-emitting diodes. The at least one driver circuit is configured to generate an adaptive pulse-width modulated (PWM) signal to control at least one subarray of the plurality of subarrays of the light-emitting diodes. The adaptive PWM signal is designed with each pulse of a group having a pulse width W, each pulse width being reduced until reaching a threshold pulse width, and one pulse being removed from the group of pulses.
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