| 主权项 |
1. A panel comprising:
pixels arranged in a matrix state, each including:
a light emitting element that emits light the intensity of which corresponds to the magnitude of a drive current,a sampling transistor configured to sample a video signal,a storage capacitor configured to store a potential of the video signal sampled by the sampling transistor, anda drive transistor configured to supply the drive current to the light emitting element, the magnitude of the drive current corresponding to the potential of the video signal stored in the storage capacitor; power supply lines, each respective power supply line corresponding to a different row of the pixels and being configured to propagate power supply signals to pixels of the row to which the respective power supply line corresponds; scanning lines, each respective scanning line corresponding to a different row of the pixels and being configured to propagate scanning control signals to pixels of the row to which the respective scanning line corresponds; a power supply control circuit configured to selectively switch potentials of the power supply signals propagated on the power supply lines between a high power supply potential and a low power supply potential, wherein the power supply lines are grouped into units that each comprise n≧2 different ones of the power supply lines such that the potentials of the power supply signals that are propagated on those of the power supply lines that are grouped into a same unit correspond to each other and the power supply control circuit is configured to switch the potentials of the power supply signals that are propagated on those of the power supply lines that are grouped into a same unit between the high power supply potential and the low power supply potential at same timings; a scanning control circuit configured to switch a potential of the scanning control signal between a high scanning potential and a low scanning potential, wherein conduction of the sampling transistor of each of the respective pixels is controlled by the switching of the potential of the scanning control signal propagated on the scanning line corresponding to the row of the respective pixel; and a data circuit configured to repeatedly switch the potential of the video signal during horizontal scanning periods, wherein:
each of the horizontal scanning periods of a given frame period comprises a signal sub-period, an extinction sub-period, and an offset sub-period, successively occurring in that order,the data circuit is configured to:
apply a signal potential as the potential of the video signal during each signal sub-period, the signal potential corresponding to a gradation value of an image to be displayed,apply an extinction potential as the potential of the video signal during each extinction sub-period, the extinction potential corresponding to a potential that, if applied to a gate electrode of the drive transistor of a given one of the pixels while the light emitting element of the given one of the pixels is emitting light, will cause the light emitting element of the given one of the pixels to stop emitting light, andapply a reference potential as the potential of the video signal during each offset sub-period,the power supply control circuit is configured to switch the potentials of the power supply signals from the high power supply potential to the low power supply potential only during extinction sub-periods, andthe extinction potential is greater than the reference potential. |
