| 摘要 |
An active matrix spatial light modulator is provided, for instance, for use in time sequential or other fast displays. The modulator comprises rows and columns of light-modulating pixels 23. Image data are supplied on data electrodes 4 and scan signals are supplied in sequence on scan electrodes 5 so that the modulator is refreshed a row at a time. Each light-modulating pixel comprises a picture element 10 of variable light attenuation and a storage capacitor 14. A first transistor switch 12 is connected between the data electrode 4 and the storage capacitor 14 and actuated by a scan signal on the scan electrode 5. A second transistor 11 is connected between the capacitor 14 and the picture element 10 and is actuated by a transfer signal received from a transfer signal generator 28 via the data electrode 4 or the scan electrode 5. Alternatively, the transfer signal may be sent along a separate electrode (13, fig 17) and may include a blanking signal to a blanking signal detector (61, fig 17) connected to a third transistor. |
