Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1996-08-01
1999-01-05
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
058568140
ABSTRACT:
A display apparatus includes an optical modulation device comprising a pair of electrodes, and a photoconductor layer and an optical modulation substance layer between the electrodes, a signal light source for supplying light data carrying gradation data to the photoconductor layer, and a readout light source for supplying readout light for reading out image data to the optical modulation substance layer. The display apparatus is driven by a method including: scanningly supplying the light data to the photoconductor layer, and scanningly supplying the readout light to the optical modulation substance layer. Preferably, the lighting time of the readout light source is controlled to modulate an overlapping time between a period of the optical modulation substance assuming a prescribed optical state and the lighting time depending on given gradation data.
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patent: 5548420 (1996-08-01), Koshimizu et al.
Lipton et al.: "Laser scanning, data processing and display" Conference on Laser and Electrooptical Systems, 7-9 Feb. 1978, San Diego, CAL. USA, pp. 32-33, XP002045299 * FIGURE 2 *.
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