Computer graphics processing and selective visual display system – Display driving control circuitry
Reexamination Certificate
2011-01-04
2011-01-04
Hjerpe, Richard (Department: 2629)
Computer graphics processing and selective visual display system
Display driving control circuitry
Reexamination Certificate
active
07864167
ABSTRACT:
A display device that displays image information in response to a digital display signal includes a display panel signal lines and scanning lines which intersect at right angles with each other, and a plurality of display pixels with optical elements arranged near the intersecting points of the signal lines and scanning lines. A signal driver circuit has a plurality of current generation circuits including a drive current generation circuit for generating drive current from a plurality of gradation currents based on the display signal value supplied to each of the scanning lines, a scanning driver circuit for sequentially applying a scanning signal to each of the scanning lines for setting the selection state of each line of each display pixel, and a gradation current generation circuit for generating gradation currents according to each display signal bit at least based on a constant predetermined reference current.
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Morosawa Katsuhiko
Shirasaki Tomoyuki
Abdin Shaheda A
Casio Computer Co. Ltd.
Frishauf Holtz Goodman & Chick P.C.
Hjerpe Richard
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