Driving method for optical apparatus

Details Driving method for optical apparatus Driving method for optical apparatus

1997-12-12

2000-10-17

Chow, Dennis-Doon

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 87, 349 25, G09G 336

Patent

active

06133894&

ABSTRACT:
An optical apparatus includes an optical modulation means having a pair of electrodes, and a photoconductor layer and an optical modulation substance layer disposed between the electrodes, a signal light source for supplying light data carrying gradation data to the photoconductor layer, and a readout light illuminator for supplying readout light for reading out picture data to the optical modulation substance layer. The readout light illuminator is driven so as to supply readout light having a planar light intensity distribution providing a constant product of a gradation period and a readout light intensity at each readout site of the optical modulation substance, or so as to scan the photoconductor layer with the light data frame by frame in mutually different scanning directions in succeeding frames.

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