Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1998-12-24
2000-11-28
Hjerpe, Richard A.
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
345205, 345206, G09G 328
Patent
active
061541877
ABSTRACT:
A data processing apparatus of an alternating current type plasma display panel system is disclosed. A plasma panel is divided into four subpanels by dividing vertically and horizontally, and 4 data interfacing sections take charge of driving the 4 subpanels, respectively. Numbers of upper and lower address electrodes are P. Each of the four data interfacing sections repeatedly receives N bits red-green-blue (RGB) data S times from a frame memory and, after storing a horizontal line RGB data, transfers D bits RGB data a time into 4 driving IC sections for driving address electrodes in a suitable order for data processing. Each of two driving IC sections for upper right and lower right subpanels takes charge of driving R address electrodes, and each of two driving IC sections for upper left and lower left subpanels takes charge of driving P-R address electrodes, where the number R can be decided by an equation, R=N.times.[floor(P/N)]/2 and the operator floor(x) means a maximum integer which is not larger than the parameter x. Each of two data interfacing sections for upper right and lower right subpanels repeatedly receives the N bits RGB data floor{[floor(P/2)]/2} times from the frame memory, and each of two data interfacing sections for the upper left and lower left subpanels repeatedly receives the N bits RGB data S-floor{[floor(P/2)]/2} times from the frame memory. Accordingly, data interfacing chips for right subpanels and left subpanels can have an identical logic.
REFERENCES:
patent: 4087805 (1978-05-01), Miller
patent: 5491496 (1996-02-01), Tomiyasu
patent: 5926154 (1999-07-01), Hirono et al.
patent: 6046737 (2000-04-01), Nakamura
Daewoo Electronics Co. Ltd.
Hjerpe Richard A.
Lesperance Jean E.
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