| 摘要 |
A display system uses a weighted PWM scheme to deliver control during a frame time for developing a plurality of grayscale levels in each of a plurality of pixels. Of all the weighted subframes, a predetermined number of the shortest subframes utilize a like subframe duration. However, to provide additional levels of grayscale, differing durations of 'on' time are utilized in these like subframes. Thus, all but one of these like-time subframes has a dead zone time during which the pixels are never activated. A clear circuit turns 'off' the illuminated pixels during the dead zone time.
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